CN115950300A - Ship cooler cleaning system and method - Google Patents

Abstract

The invention discloses a system and a method for cleaning a ship cooler, wherein two ends of a cleaning pipeline of the cleaning system are respectively connected with two ends of the cooler, a first stop valve and a second stop valve are respectively arranged on the cleaning pipeline at the two ends of the cooler, the cleaning pipeline is branched behind the first stop valve to form a drainage pipeline and a circulating pipeline, the drainage pipeline is connected to the outside of a ship board, and the circulating pipeline is connected with a dosing tank and then sequentially connected with a water filter and a water pump and then connected with the other end of the cooler; the dosing tank is connected with an external fresh water pipe through a pipeline. The dosing tank is provided with a heating device for heating liquid in the dosing tank; the cooler is cleaned for a plurality of times by the system to remove dirt. The invention can clean the cooler and the scale in the pipeline without disassembling the end cover, thereby saving a great deal of manpower, material resources and time; descaling liquid in the dosing tank can be heated by the heating device, and the cleaning effect is improved.

Description

Ship cooler cleaning system and method

Technical Field

The invention relates to the technical field of cooler cleaning, in particular to a system and a method for cleaning a ship cooler.

Background

When the water temperature of a diesel engine on a ship is too high, the engine oil temperature of a gear box is too high, and the refrigerating or refrigerating effect of a water-cooling air conditioner is poor, a dirty blocking phenomenon is often generated in a cooler, so that the effect of the cooler is greatly influenced, and the working condition of machine equipment is influenced; the cleaning of the cooler usually depends on manual disassembly of the end covers at both ends of the cooler for cleaning, the process needs to stop the operation of the cooler, and certain working time is needed, which can affect the safety of the ship while increasing the labor intensity. Therefore, a ship cooler cleaning system and method become an urgent problem to be solved.

Disclosure of Invention

The invention aims to provide a cooler cleaning system and a cooler cleaning method which are quick in cleaning and good in cleaning effect.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a ship cooler cleaning system comprises a cleaning pipeline, a dosing tank, a water filter and a water pump; the two ends of the cleaning pipeline are respectively connected with the two ends of the cooler, a first stop valve is arranged on the cleaning pipeline close to the water inlet end of the cooler, a second stop valve is arranged on the cleaning pipeline close to the water outlet end of the cooler, the cleaning pipeline is branched behind the first stop valve to form a drainage pipeline and a circulating pipeline, the drainage pipeline is connected to the outboard of the ship, and the circulating pipeline is connected with a dosing tank and then sequentially connected with a water filter and a water pump and then connected with the other end of the cooler; the dosing box is connected with an external fresh water pipe through a pipeline.

Further, a heating device is arranged on the dosing tank and electrically connected with the ship power supply system; the heating device comprises a heating pipe, a liquid level controller, a temperature controller, an electric control box and a thermometer; the heating pipe sets up in the dosing tank and with thermometer, temperature controller electric connection, liquid level controller, temperature controller and electric control box electric connection, liquid level controller control liquid level height in the dosing tank, temperature controller control heating pipe changes the liquid temperature in the dosing tank.

Further, the cooler is a diesel engine oil cooler or a gearbox oil cooler or a diesel fresh water cooler or a diesel engine intercooler or a water-cooled air conditioner condenser on the ship.

A method of cleaning a marine cooler comprising the steps of:

step 1, closing stop valves on cooling pipelines at two sides of a cooler, opening main stop valves at two ends of a cleaning pipeline connected with the two sides of the cooler, and simultaneously opening a stop valve for supplying fresh water on a dosing tank to fill the dosing tank with fresh water;

step 2, starting a water pump connected with a dosing tank, pumping fresh water to pass through two main stop valves and a cooler, then entering a drainage pipeline and stopping by stop valves on the drainage pipeline, and filling all pipelines and machines with fresh water;

step 3, opening a stop valve on the drainage pipeline to enable all the fresh water in the pipeline to be discharged out of the ship board through the drainage pipeline, discharging the garbage blocked by the cooler out of the ship board through the repeated flushing action of the water pressure, and closing the stop valve on the water pump and the drainage pipeline;

step 4, closing a water inlet valve on the fresh water pipe, adding a scale remover into the chemical adding box according to a required proportion, selecting whether to start a heating device to heat scale removing liquid in the chemical adding box according to requirements, and if so, starting the heating device to heat to 35-50 ℃;

step 5, starting a water pump and a main stop valve, simultaneously starting a stop valve of a circulating pipeline on a pipeline before the dosing tank is connected, and enabling cleaning liquid in the dosing tank to flow back to the dosing tank after passing through the main stop valve and a cooler and then enter the water pump after passing through a water filter to realize reciprocating circulation;

step 6, after the circulation is finished, opening a stop valve on a drainage pipeline, closing the stop valve on the pipeline of the circulation pipeline before the dosing tank is connected, discharging the cleaning liquid to the outboard of the ship, opening a water inlet valve on a fresh water pipe, and repeating the steps 1-3 to remove the residual cleaning agent;

and 7, closing the water pump and the stop valves, opening the stop valves on the cooling pipelines at the two sides of the cooler to enable the cooler to normally operate according to the original work flow, opening the drain valve on the dosing tank, and discharging redundant liquid in the dosing tank to prepare for the next work.

Compared with the prior art, the invention has the advantages that: the invention can clean the water scale in the cooler and the pipeline thereof without disassembling the end cover, thereby saving a large amount of manpower, material resources and time. The liquid in the dosing tank can be heated by the heating device, so that the cleaning agent is quickly melted, the cleaning substance in the dosing tank is kept in a better active state, and the cleaning effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of a ship cooler washing system according to the present invention.

Fig. 2 is a circuit diagram of the heating device operating at 380V.

Fig. 3 is a circuit diagram of the heating device operating at 220V.

Fig. 4 is a schematic circuit diagram of a water pump control box.

Fig. 5 is a system block diagram of a heating device.

As shown in the figure: 1. cleaning pipeline, 2, dosing tank, 3, water filter, 4, water pump, 5, first stop valve, 6, second stop valve, 7, water drainage pipeline, 8, circulation pipeline, 9, heating device, 10, heating pipe, 11, liquid level controller, 12, temperature controller, 13, electric control box, 14, thermometer, 15, third stop valve, 16, fourth stop valve, 17, fifth stop valve, 18, sixth stop valve, 19, seventh stop valve, 20, eighth stop valve.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail with reference to the accompanying drawings.

The present invention will be described in detail with reference to the accompanying fig. 1 to 5.

A ship cooler cleaning system comprises a cleaning pipeline 1, a dosing tank 2, a water filter 3 and a water pump 4; the two ends of a cleaning pipeline 1 are respectively connected with the two ends of a cooler, a first stop valve 5 is arranged on the cleaning pipeline 1 close to the water inlet end of the cooler, a second stop valve 6 is arranged on the cleaning pipeline 1 close to the water outlet end of the cooler, the cleaning pipeline 1 is bifurcated behind the first stop valve 5 to form a drainage pipeline 7 and a circulating pipeline 8, the drainage pipeline 7 is connected to the outside of a ship board, and the circulating pipeline 8 is connected with a dosing tank 2 and then sequentially connected with a water filter 3 and a water pump 4 and then connected with the other end of the cooler; the dosing tank 2 is connected with an external fresh water pipe through a pipeline.

The dosing tank 2 is provided with a heating device 9, and the heating device 9 is electrically connected with a ship power supply system; the heating device 9 comprises a heating pipe 10, a liquid level controller 11, a temperature controller 12, an electric control box 13 and a thermometer 14; the heating pipe 10 is arranged in the dosing tank 2 and is electrically connected with a thermometer 14 and a temperature controller 12, the liquid level controller 11 and the temperature controller 12 are electrically connected with an electric control box 13, the liquid level controller 11 is arranged on the dosing tank 2 and controls the liquid level height in the dosing tank 2, and the temperature controller 12 is arranged on the dosing tank 2 and controls the heating pipe 10 to change the liquid temperature in the dosing tank 2 and simultaneously displays the liquid temperature through the thermometer 14 fixed on the dosing tank 2.

The two ends of the cooler are connected with a cooling pipeline of the ship, a third stop valve 15 is arranged at the water inlet end of the cooler, and a fourth stop valve 16 is arranged at the water outlet end of the cooler; a fifth stop valve 17 is arranged on the drainage pipeline 7; a sixth stop valve 18 is arranged on the pipeline of the circulating pipeline 8 before the dosing tank 2 is connected; a seventh stop valve 19 is arranged on the external fresh water pipe; the dosing tank 2 is connected with the cabin bottom through a pipeline, and an eighth stop valve 20 is arranged on the pipeline.

The cooler is a diesel engine oil cooler or a gearbox oil cooler or a diesel engine fresh water cooler or a diesel engine intercooler or a water-cooled air-conditioning condenser on the ship.

The specific implementation process of the cleaning system and the method for the ship cooler is as follows:

closing a third stop valve 15 and a fourth stop valve 16 on cooling pipelines at two sides of the cooler, opening a first stop valve 5 and a second stop valve 6 at two ends of a cleaning pipeline 1 connected with two sides of the cooler, and simultaneously opening a seventh stop valve 19 on the dosing tank 2 for supplying fresh water to fill the dosing tank 2 with fresh water;

starting a water pump 4 connected with the dosing tank 2, pumping fresh water to pass through a third stop valve 15, a cooler and a first stop valve 5, then entering a drainage pipeline 7 and being stopped by a fifth stop valve 17 on the drainage pipeline 7, so that all pipelines and machines are filled with the fresh water;

opening a fifth stop valve 17 on the drainage pipeline 7 to discharge all the fresh water in the pipeline to the outboard of the ship through the drainage pipeline 7, discharging the garbage blocked by the cooler to the outboard of the ship through the repeated flushing action of the water pressure, and closing the water pump 4 and the fifth stop valve 17 on the drainage pipeline 7;

closing a seventh stop valve 19 on the fresh water pipe, adding a scale remover into the dosing tank 2 according to a required proportion, selecting whether to start the heating device 9 to heat the scale removing liquid in the dosing tank 2 according to the requirement, and if so, starting the heating device 9 to heat to 35-50 ℃;

the water pump 4, the first stop valve 5 and the third stop valve 15 are started, meanwhile, the sixth stop valve 18 of the circulating pipeline 8 on the pipeline before the dosing tank 2 is connected is started, cleaning liquid in the dosing tank 2 flows back to the dosing tank 2 after passing through the third stop valve 15, the cooler, the first stop valve 5 and the sixth stop valve 18 and then enters the water pump 4 after passing through the water filter 3, and reciprocating circulation is achieved;

after circulation is finished, opening a fifth stop valve 17 on the drainage pipeline 7, closing a sixth stop valve 18 on the pipeline of the circulation pipeline 8 before the dosing tank 2 is connected, discharging cleaning liquid to the outboard of the ship, opening a seventh stop valve 19 on a fresh water pipe, repeating the steps before adding the descaling agent, cleaning the whole system for multiple times, and removing residual cleaning agent;

and (3) closing the water pump 4 and the stop valves, opening a third stop valve 15 and a fourth stop valve 16 on cooling pipelines at two sides of the cooler, enabling the cooler to normally operate according to the original work flow, opening an eighth stop valve 20 on the dosing tank 2, and discharging redundant liquid in the dosing tank 2 to prepare for the next work.

In the cleaning process, the using amount of the descaling agent is adjusted according to actual conditions, the running time of the water pump 4 is determined according to the thickness of the scale, and the heating device 9 can select automatic, manual or non-heating according to actual requirements.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A marine vessel cooler cleaning system, characterized by: comprises a cleaning pipeline, a dosing tank, a water filter and a water pump; the two ends of the cleaning pipeline are respectively connected with the two ends of the cooler, a first stop valve is arranged on the cleaning pipeline close to the water inlet end of the cooler, a second stop valve is arranged on the cleaning pipeline close to the water outlet end of the cooler, the cleaning pipeline is branched behind the first stop valve to form a drainage pipeline and a circulation pipeline, the drainage pipeline is connected to the ship outboard, and the circulation pipeline is connected with a dosing tank and then sequentially connected with a water filter and a water pump and then connected with the other end of the cooler; the dosing box is connected with an external fresh water pipe through a pipeline.

2. The marine cooler washing system of claim 1, wherein: and the dosing tank is provided with a heating device, and the heating device is electrically connected with the ship power supply system.

3. The marine cooler washing system of claim 2, wherein: the heating device comprises a heating pipe, a liquid level controller, a temperature controller, an electric control box and a thermometer; the heating pipe sets up in the dosing tank and with thermometer, temperature controller electric connection, liquid level controller, temperature controller and electric control box electric connection, liquid level controller control liquid level height in the dosing tank, temperature controller control heating pipe changes the liquid temperature in the dosing tank.

4. A marine vessel cooler washing system according to any one of claims 1 to 3, wherein: the two ends of the cooler are connected with a cooling pipeline of the ship, a third stop valve is arranged at the water inlet end of the cooler, and a fourth stop valve is arranged at the water outlet end of the cooler.

5. The marine cooler washing system according to claim 4, wherein: and a fifth stop valve is arranged on the drainage pipeline.

6. The marine cooler washing system of claim 5, wherein: and a sixth stop valve is arranged on the pipeline of the circulating pipeline before the circulating pipeline is connected with the dosing tank.

7. The marine cooler washing system of claim 6, wherein: and a seventh stop valve is arranged on the external fresh water pipe.

8. The marine cooler washing system of claim 7, wherein: the dosing tank is connected with the cabin bottom through a pipeline, and an eighth stop valve is arranged on the pipeline.

9. The marine cooler washing system of claim 8, wherein: the cooler is a diesel engine oil cooler or a gearbox oil cooler or a diesel engine fresh water cooler or a diesel engine intercooler or a water-cooled air conditioner condenser on the ship.

10. A method of cleaning a marine cooler, comprising the steps of:

step 1, closing stop valves on cooling pipelines at two sides of a cooler, opening main stop valves at two ends of a cleaning pipeline connected with two sides of the cooler, and simultaneously opening stop valves for supplying fresh water on a dosing tank to fill the dosing tank with fresh water;

step 2, starting a water pump connected with a dosing tank, pumping fresh water to pass through two main stop valves and a cooler, then enabling the fresh water to enter a drainage pipeline and be stopped by the stop valves on the drainage pipeline, and enabling all pipelines and machines to be filled with the fresh water;

step 3, opening the stop valve on the drainage pipeline to completely discharge the fresh water in the pipeline to the outboard of the ship through the drainage pipeline, discharging the garbage blocked by the cooler to the outboard of the ship through the repeated flushing action of the water pressure, and closing the stop valve on the water pump and the drainage pipeline;

step 4, closing a water inlet valve on the fresh water pipe, adding a scale remover into the chemical adding box according to a required proportion, selecting whether to start a heating device to heat scale removing liquid in the chemical adding box according to requirements, and if so, starting the heating device to heat to 35-50 ℃;

step 5, opening a water pump and a main stop valve, simultaneously opening a stop valve of a circulating pipeline on a pipeline before the dosing tank is connected, and enabling cleaning liquid in the dosing tank to flow back to the dosing tank through the main stop valve and a cooler and then enter the water pump through a water filter to realize reciprocating circulation;

step 6, after the circulation is finished, opening a stop valve on a drainage pipeline, closing the stop valve on the pipeline of the circulation pipeline before the dosing tank is connected, discharging the cleaning liquid to the outboard of the ship, opening a water inlet valve on a fresh water pipe, and repeating the steps 1-3 to remove the residual cleaning agent;

and 7, closing the water pump and the stop valves, opening the stop valves on the cooling pipelines at the two sides of the cooler to enable the cooler to normally operate according to the original work flow, opening the drain valve on the dosing tank, and discharging redundant liquid in the dosing tank to prepare for the next work.

Images