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Comprehensive heat source system applied to fields of ships and ocean engineering

A heat source system and marine engineering technology, applied in hull ventilation/heating/cooling, ship construction, ship parts, etc., can solve problems such as underutilization, heat waste, etc., to improve utilization efficiency, increase heat production, and improve energy utilization efficiency Effect

Active Publication Date: 2015-12-23
SHANGHAI MERCHANT SHIP DESIGN & RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] As for the waste heat in the fresh water for cooling the diesel engine, the existing technology is insufficiently utilized, resulting in a waste of heat

Method used

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  • Comprehensive heat source system applied to fields of ships and ocean engineering
  • Comprehensive heat source system applied to fields of ships and ocean engineering
  • Comprehensive heat source system applied to fields of ships and ocean engineering

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Embodiment Construction

[0027] At present, the use of waste heat in typical heat source systems is limited to the exhaust of main propulsion diesel engines (such as main engines of bulk carriers, oil tankers, and container ships), and does not include the waste heat of such diesel engines cooling fresh water and diesel engines for other purposes (such as diesel engine for power generation), and a large part of heat-consuming equipment does not have high requirements for heat quality, and does not require the temperature of the heating medium to exceed 90°C. The above two factors lead to insufficient utilization of heat. In addition, when the waste heat in the exhaust gas cannot meet the operating requirements, the existing system has to supplement it by burning additional fuel, which further increases energy consumption.

[0028] The comprehensive heat source system of the present invention divides the whole system into two parts of high temperature and low temperature according to the different requi...

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Abstract

The invention relates to a comprehensive heat source system applied to the fields of ships and ocean engineering. The comprehensive heat source system comprises a high-temperature subsystem and a low-temperature subsystem. The high-temperature subsystem comprises a plurality of exhaust gas boilers connected in parallel, an oil burning boiler, a plurality of high-temperature heat utilizing devices connected in parallel and a high-low-temperature heat exchanger. High temperature media circulate under power of high-temperature circulating pumps and supply heat to the high-temperature heat utilizing devices and the high-low-temperature heat exchanger. The high temperature media are steam or hot oil. The low-temperature subsystem comprises a plurality of fresh water heat exchangers and a plurality of low-temperature heat utilizing devices connected in parallel, wherein the fresh water heat exchangers are connected in parallel and connected with the high-temperature fresh water outlet ends of diesel engines respectively. The low-temperature heat utilizing devices connected in parallel are connected with the high-low-temperature heat exchanger in series. Low temperature media circulate under power of low-temperature circulating pumps, heat is further absorbed through the high-low-temperature heat exchanger after heat is absorbed through the fresh water heat exchangers, and finally heat is supplied to the low-temperature heat utilizing devices. The low temperature media are water.

Description

technical field [0001] The invention relates to a comprehensive heat source system, in particular to a comprehensive heat source system applied in the fields of ships and marine engineering, and belongs to the technical field of marine heat source systems. Background technique [0002] For ships and ocean engineering powered by diesel engines, the use of waste heat by the heat source system is limited to the exhaust of diesel engines that drive the main propulsion device (such as the main engine of bulk carriers, oil tankers, and container ships). With the development of technology, the use of diesel engines Fuel consumption is gradually reduced, and the amount of exhaust gas emitted is also reduced. In order to meet the requirements of IMOTier-II for diesel NOx emissions, the temperature of diesel exhaust gas is also reduced. The combination of these two factors has resulted in a significant drop in the available waste heat in the exhaust gas, and even cannot meet the need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G5/00F02G5/02B63J2/12
CPCY02T10/12Y02T70/00
Inventor 盛德徐一平
Owner SHANGHAI MERCHANT SHIP DESIGN & RES INST
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