CN210568324U

CN210568324U - Heating system for pump cabin of ship

Info

Publication number: CN210568324U
Application number: CN201921307032.0U
Authority: CN
Inventors: 方忠良; 吴树民; 王强; 吴文军
Original assignee: Nanjing Shenghang Shipping Co ltd
Current assignee: Nanjing Shenghang Shipping Co ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-19
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a boats and ships pump cabin heating system. The system comprises a boiler and a steam through pipe connected with a steam outlet valve of the boiler, wherein a main steam inlet valve is arranged on the steam through pipe, the main steam inlet valve is connected with a plurality of branch steam inlet valves, each branch steam inlet valve is connected with a steam inlet of a steam heater arranged in a pump cabin, a steam outlet of each steam heater is connected with a branch steam return valve, the branch steam return valves are connected with the main steam return valves, the main steam return valves are connected with steam return pipes, and the steam return pipes are connected with a cabin hot water well. The utility model discloses do not have other energy consumptions under the navigation state, furthest has utilized exhaust gas boiler's heat energy, has gained good economic benefits, and the goods pump, sweep goods pump and pipeline in the goods liquid can not the crystallization to make pump room equipment keep at good stand-by state, the pump body and mechanical seal etc. can not damage because of the goods crystallization inflation. After the device is used, cargo pumps, cargo sweeping pumps and cargo liquid in pipelines are not required to be emptied, so that the working strength of crews is reduced, and the cargo loss is reduced.

Description

Heating system for pump cabin of ship

Technical Field

The invention relates to the field of space heating, in particular to a heating system for a pump chamber of a ship.

Background

The air temperature is cold in Yangtze river and northern areas, some goods are easy to crystallize at low temperature, the loading and unloading equipment and pipelines are arranged in a ship pump cabin, the loading and unloading equipment comprises a goods pump, a goods sweeping pump and the like, if the goods are crystallized, a pump body, a mechanical seal and the like can be damaged due to the crystal expansion of the goods, so that after the goods are generally loaded and unloaded at every time, a shipman is required to empty the goods in the goods pump, the goods sweeping pump and the pipelines, the workload of goods emptying operation is large, the working strength of workers is increased, and certain goods loss is not avoided during emptying operation.

Disclosure of Invention

The invention aims to provide a heating system for a pump chamber of a ship, aiming at the defects in the prior art.

In order to achieve the purpose, the invention provides a heating system for a pump cabin of a ship, which comprises a boiler and a steam through pipe connected with a steam outlet valve of the boiler, wherein a main steam inlet valve is arranged on the steam through pipe, the main steam inlet valve is connected with a plurality of branch steam inlet valves, each branch steam inlet valve is connected with a steam inlet of a steam heater arranged in the pump cabin, a steam outlet of each steam heater is connected with a branch steam return valve, the branch steam return valves are connected with a main steam return valve, the main steam return valve is connected with a steam return pipe, and the steam return pipe is connected with a hot water well of the engine cabin.

Further, steam heater includes the admission pipe of being connected with branch admission valve and the play steam pipe of being connected with branch admission valve, admission pipe and play steam pipe are connected with admission house steward and play steam house steward respectively, admission house steward and the both ends of going out steam house steward all seal the setting, be connected with a plurality of branch steam pipes between admission house steward and the lateral part of going out steam house steward, a plurality of branch steam pipe lateral parts are connected with heat transfer fin subassembly.

Further, steam heater still includes the framework, the inside cavity of framework, its both sides are equipped with the opening respectively, steam inlet main and play steam main are all vertical to be set up in the outside of framework, the steam distribution pipe alternates the framework setting, heat transfer fin subassembly sets up at the opening inboard.

Furthermore, the steam inlet main pipe and the steam outlet main pipe are arranged on the same side, and each steam distributing pipe is arranged on the inner side of the frame body in a U shape.

Furthermore, a plurality of connecting plates are fixed on the outer sides of the steam inlet main pipe and the steam outlet main pipe.

Furthermore, the vertical section of the frame body is rectangular.

Further, the steam heater comprises two steam heaters which are respectively fixed on the side wall of the pump chamber.

Further, two steam heaters are oppositely arranged on two sides of the cargo pump in the pump cabin.

Furthermore, the steam inlet valve and the steam inlet pipe and the steam return valve and the steam outlet pipe are connected through steam rubber pipes.

Further, the boiler includes a waste gas boiler and/or an oil boiler.

Has the advantages that: the invention has no other energy consumption in the sailing state, utilizes the heat energy of the waste gas boiler to the maximum extent, obtains good economic benefit, and ensures that the cargo pump, the cargo sweeping pump and the cargo liquid in the pipeline can not be crystallized, thereby ensuring that the pump cabin equipment is kept in a good standby state and the pump body, the mechanical seal and the like can not be damaged due to the crystallization expansion of the cargo. After the device is used, cargo pumps, cargo sweeping pumps and cargo liquid in pipelines are not required to be emptied, so that the working strength of crews is reduced, and the cargo loss is reduced.

Drawings

FIG. 1 is a schematic diagram of a marine pump compartment heating system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a steam heater according to an embodiment of the present invention;

3 fig. 3 3 3 is 3 a 3 schematic 3 view 3 of 3 a 3- 3 a 3 in 3 vertical 3 section 3 in 3 fig. 3 2 3. 3

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the embodiment of the present invention provides a heating system for a pump room of a ship, which includes a boiler, wherein the boiler may be an exhaust gas boiler 1 alone or an oil-fired boiler 2 alone, and more preferably, both the exhaust gas boiler 1 and the oil-fired boiler 2 are connected to the system, and during maneuvering, the steam generated by the exhaust gas boiler 1 is used for heating, and the steam generated by the oil-fired boiler 2 is used for heating in a mooring or landing device. The exhaust gas boiler 1 is connected with a steam outlet valve V1, the oil-fired boiler 2 is connected with a steam outlet valve V2, the steam outlet valve V1 and the steam outlet valve V2 are both connected with the steam through pipe 3, the steam outlet valve V1 is opened, steam can be supplied to the steam through pipe 3 from the exhaust gas boiler 1, and the steam outlet valve V2 is opened, so that steam can be supplied to the steam through pipe 3 from the oil-fired boiler. The steam through pipe 3 is provided with a main steam inlet valve V3, the main steam inlet valve V3 is connected with a plurality of branch steam inlet valves V4, each branch steam inlet valve V4 is connected with a steam inlet of a steam heater 5 arranged in the pump cabin 4, a steam outlet of each steam heater 5 is connected with a branch steam return valve V5, a branch steam return valve V5 is connected with a branch steam return valve V5, the main steam return valve V6 is connected with a steam return pipe 6, and the steam return pipe 6 is connected with a cabin hot water well 7. Steam generated by the waste gas boiler 1 or the oil-fired boiler 2 is sequentially introduced into the steam heater 5 through the steam pipe 3, the main steam inlet valve V3 and the branch steam inlet valve V4, so that the steam heater 5 heats surrounding air, and then the steam is sequentially introduced into the cabin hot water well 7 through the branch steam return valve V5, the branch steam return valve V5 and the steam return pipe 6, and water in the cabin hot water well is heated by using residual heat energy.

As shown in fig. 2 and 3, the steam heater 5 according to the embodiment of the present invention includes a steam inlet pipe 51 and a steam outlet pipe 52, wherein the steam inlet pipe 51 is connected to a steam inlet valve V4, the steam outlet pipe 52 is connected to a steam return valve V5, and the steam inlet valve V4 and the steam inlet pipe 51, and the steam return valve V5 and the steam outlet pipe 52 are preferably connected by a steam hose 9. The steam inlet pipe 51 and the steam outlet pipe 52 are respectively connected with the steam inlet header pipe 53 and the steam outlet header pipe 54, the two ends of the steam inlet header pipe 53 and the two ends of the steam outlet header pipe 54 are arranged in a sealing mode, a plurality of steam distributing pipes 55 are connected between the side portions of the steam inlet header pipe 53 and the side portions of the steam outlet header pipe 54, in order to ensure the heating effect, heat exchange fin assemblies 56 are connected to the side portions of the plurality of steam distributing pipes 55, the contact area of the heat exchange fin assemblies 56 and air can be increased, and the heating efficiency is further improved. The steam heater 5 of the embodiment of the present invention further includes a frame 57, and the vertical section of the frame 57 is preferably rectangular. The frame body 57 is hollow, openings are formed in two sides of the frame body 57 respectively, the steam inlet header pipe 53 and the steam outlet header pipe 54 are vertically arranged on the outer side of the frame body 57, the steam distribution pipe 55 penetrates through the frame body 57, and the heat exchange fin assembly 57 is arranged on the inner side of the opening. In a preferred embodiment, the steam inlet manifold 53 is disposed on the same side as the steam outlet manifold 54, and each steam distributing pipe 55 is disposed inside the frame 56 in a U-shape. To improve stability, several connection plates 58 are fixed to the outsides of the steam inlet manifold 53 and the steam outlet manifold 54. The steam enters the steam inlet manifold 53 through the steam inlet pipe 51, then enters each steam distributing pipe 55 to heat the air, and then flows out of the steam heater from the steam distributing pipes 55, the steam outlet manifold 54 and the steam outlet pipe 52.

The steam heaters 5 of the embodiment of the present invention are preferably two, and the two steam heaters 5 are preferably fixed to the sidewalls of the pump chamber 4, respectively. The two steam heaters 5 are disposed on opposite sides of the cargo pump 8 in the pump compartment 4. The number of the steam heaters 5 is not limited to two, and the number of the steam heaters can be increased or decreased according to the space size of the pump chamber 4.

Application example: after the system is used in 9 rounds of southern training, during the period from Nanjing to Dalian navigation, a cabin waste gas boiler (the evaporation capacity is 0.475T/h) has the pressure of 0.2MPa, two steam heaters are used simultaneously, the steam pressure is reduced to 0.1MPa, the surface temperature of the steam heaters can reach 89 ℃, after heating for 24 hours, the bottom temperature of a pump cabin can be kept at 18.6 ℃, finally, the temperature of the bottom layer of the pump cabin 4 is kept at 26.4 ℃, the temperature of the middle layer of the pump cabin 4 is kept at 22.4 ℃ and the temperature of the upper layer of the pump cabin 4 is kept at 14.2 ℃ in the environment of the outdoor temperature of minus 6 ℃. During anchoring, the gas boiler 2 is adopted to supply steam to the steam heater 5 for heating, the bottom temperature of the pump chamber 4 is reduced by about 8 ℃ to about 18 ℃. The good heating effect is obtained, and the requirement above the crystallization temperature of the goods is met.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.

Claims

1. The utility model provides a boats and ships pump compartment heating system, its characterized in that, includes the boiler and leads to the vapour pipe with boiler outlet valve is connected, lead to and be equipped with main admission valve on the vapour pipe, main admission valve is connected with and divides a plurality of branch steam valves, and each branch steam valve is connected with a steam inlet that sets up the steam heater in the pump cabin, and each steam heater's outlet steam is connected with one and divides the steam return valve, divide the steam return valve to be connected with main steam return valve, main steam return valve is connected with the return-steam pipe, the return-steam pipe is connected with cabin hot-water well.

2. The heating system for the pump cabin of the ship as claimed in claim 1, wherein the steam heater comprises a steam inlet pipe connected with a steam inlet valve and a steam outlet pipe connected with a steam outlet valve, the steam inlet pipe and the steam outlet pipe are respectively connected with a steam inlet main pipe and a steam outlet main pipe, two ends of the steam inlet main pipe and two ends of the steam outlet main pipe are both arranged in a sealing manner, a plurality of steam distribution pipes are connected between the side parts of the steam inlet main pipe and the steam outlet main pipe, and the side parts of the plurality of steam distribution pipes are connected with heat exchange fin assemblies.

3. The heating system for the pump chamber of the ship as claimed in claim 2, wherein the steam heater further comprises a frame body, the frame body is hollow, openings are respectively formed in two sides of the frame body, the steam inlet main pipe and the steam outlet main pipe are vertically arranged on the outer side of the frame body, the steam distribution pipe penetrates through the frame body, and the heat exchange fin assembly is arranged on the inner side of the opening.

4. The system of claim 3, wherein the steam inlet manifold and the steam outlet manifold are disposed on the same side, and each steam distributing pipe is disposed inside the frame in a U-shape.

5. The system of claim 3, wherein the connecting plates are fixed outside the steam inlet manifold and the steam outlet manifold.

6. The ship pump compartment heating system of claim 3, wherein the frame has a rectangular vertical cross-section.

7. The ship pump compartment heating system of claim 1, wherein the steam heater comprises two steam heaters fixed to the sidewalls of the pump compartment.

8. The marine vessel pump compartment heating system of claim 7, wherein the two steam heaters are disposed opposite each other on both sides of the cargo pump in the pump compartment.

9. The ship pump room heating system of claim 2, wherein the steam inlet valve and the steam inlet pipe and the steam return valve and the steam outlet pipe are connected through steam rubber pipes.

10. The marine pump compartment heating system of claim 1, wherein the boiler comprises a waste gas boiler and/or an oil fired boiler.