环渤海地区某大型造船厂船舶轮机电气系统总装车间永磁工业大吊扇通风降温工程项目

【项目背景与挑战】

本项目位于环渤海经济圈核心地带，坐落于我国北方最大的造船基地。该地区属温带季风气候，夏季高温高湿，酷暑天气对工业生产的挑战尤为突出。该企业不仅是我国船舶工业的重要支柱，更是承担着保障国家海洋运输与军工装备制造重任的关键单位，其船舶制造水平直接关系到我国海洋强国战略的推进与国防实力的巩固。

在现代船舶工程中，船舶被划分为三大核心系统：船体结构系统（船体）、轮机与电气系统（合称“轮机部门”负责范围）以及舾装系统（涵盖舵、锚、舱口盖、内装等）。该企业专业从事船舶“心脏与神经”——轮机电气系统的总装工作，其生产车间为典型的大跨度钢结构棚式建筑，总面积超过3万平方米，挑高约20米。

挑战在于： 这种超大面积、超高空间的半封闭环境，在夏季极易形成高温闷热的“热岛效应”，加之船舶轮机部件在生产过程中本身也会产生热量，导致车间内热空气积聚，作业环境恶劣。传统的小型风扇风力小、覆盖范围有限，无法有效扰动高空间内的厚重热空气层；而安装精准温控的空调系统，则面临巨大的初期投资与难以承受的长期能耗成本。因此，寻求一种既能有效改善大空间通风环境，又具备高能效、低维护成本的解决方案，成为该企业的迫切需求。

【瑞峰方案：精准选型，科学布局】

针对该项目的地理位置特点、超大面积与超高空间的特殊环境，以及船舶总装生产工艺对温湿度无严格要求、仅需整体空气流动以排出设备余热和人员体表热量的核心需求，瑞峰方案设计团队经过综合考量，最终选择了永磁工业大吊扇作为核心解决方案。

我们的设计思路如下：

1、精准选型，量身定制： 我们选用的永磁工业大吊扇，采用了先进的永磁同步耐高温外转子电机。该电机具备无碳刷、无霍尔、直流驱动的特点，扭矩大、体积小、节能省电，完美契合了工业环境下对设备稳定性和能效的严苛要求。

2、科学布局，覆盖全局： 依据现场勘测数据，我们利用每台大型号吊扇单机覆盖可达2000㎡的高效特点，通过精确计算和科学布局，合理配置了吊扇的数量与安装点位。这种布局方式，充分利用了设备机翼型扇叶+节能尾翼的空气动力学设计，确保了气流能够从车间顶部均匀下压，形成覆盖整个3万平米区域的立体、柔和的循环气流，实现了对大空间的无死角通风。与传统方案相比，这种布局方式不仅覆盖面积提升了40%，能耗更是降低了35%。

3、结构优势，安心之选： 我们深知工业生产对稳定性的要求。所选用的永磁工业大吊扇采用直驱电机结构，完全省去了传统减速机环节，没有齿轮和高速运转的轴承，从根本上杜绝了因机械磨损导致的故障。这不仅实现了设备的免维护，还极大地延长了设备的使用寿命，为客户提供了真正的“省心省力”体验。

【工程效果与价值】

该项目采用的永磁工业大吊扇，其核心工作原理是：通过巨大的扇叶缓慢而有力地旋转，将车间顶部积聚的、受设备产热和太阳辐射影响而形成的厚重热空气层向下推动，并在水平方向形成大面积、持续不断的自然微风吹拂感。同时，通过打开车间侧面的门窗，这种强大的气流能将热空气有效“挤出”室外，形成持续的对流循环，从而显著降低体感温度，改善整体环境。

设备启用后，车间内的通风环境得到了质的飞跃。工作人员普遍反馈，以往夏季的闷热感与燥热感大幅降低，取而代之的是持续的、令人舒适的微风拂面，不仅有效降低了中暑风险，更极大提升了工作时的舒适度和生产效率。瑞峰公司此次不仅圆满完成了该轮机电气系统总装车间的通风改善工程，更以此项目为契机，充分验证了永磁工业大吊扇在造船、重工、大型装备制造等超高大特殊空间中的卓越适用性。

【关于瑞峰公司】

此次项目的成功实施，彰显了瑞峰环保制冷在应对超高大空间、特殊行业要求等复杂场景时，所具备的综合设备选型与方案设计能力。我们不仅能够提供单一产品，更能从客户的实际痛点出发，结合地理环境、建筑结构、生产工艺等多方因素，提供“一企一策”的专业化、系统化的通风降温整体解决方案。未来，瑞峰将继续以专业的技术和优质的服务，为更多工业制造、物流仓储及公共场所的客户，创造清凉、舒适、高效的工作环境。

Permanent magnet industrial ceiling fan ventilation and cooling project for the final assembly workshop of the ship engine electrical system of a large shipyard in the Bohai Rim region

Project Background and Challenges

This project is located in the core area of the Bohai Economic Circle, situated in the largest shipbuilding base in northern China. The region belongs to a temperate monsoon climate, with high temperatures and humidity in summer, and the challenges to industrial production are particularly prominent due to the hot weather. This enterprise is not only an important pillar of China's shipbuilding industry, but also a key unit responsible for ensuring national maritime transportation and military equipment manufacturing. Its shipbuilding level is directly related to the promotion of China's maritime power strategy and the consolidation of national defense strength.

In modern ship engineering, ships are divided into three core systems: hull structural system (hull), engine and electrical system (collectively referred to as the "engine department"), and outfitting system (covering rudder, anchor, hatch cover, interior, etc.). This enterprise specializes in the final assembly of ship "heart and nerve" - engine electrical systems. Its production workshop is a typical large-span steel structure shed building with a total area of over 30000 square meters and a height of about 20 meters.

The challenge lies in the semi enclosed environment of such a large area and ultra-high space, which is prone to form a high-temperature and humid "heat island effect" in summer. In addition, the production process of ship engine components also generates heat, leading to the accumulation of hot air in the workshop and harsh working environment. Traditional small fans have low wind power and limited coverage, which cannot effectively disturb the thick and dense hot air layer in high spaces; However, installing precise temperature control air conditioning systems faces huge initial investment and unbearable long-term energy consumption costs. Therefore, seeking a solution that can effectively improve the ventilation environment of large spaces while also having high energy efficiency and low maintenance costs has become an urgent need for the enterprise.

Ruifeng Plan: Precise Selection, Scientific Layout

Based on the geographical location characteristics of the project, the special environment of super large area and super high space, and the core requirement of the ship assembly production process that does not have strict requirements for temperature and humidity and only requires overall air flow to remove equipment waste heat and personnel body surface heat, the Ruifeng solution design team has comprehensively considered and finally selected the permanent magnet industrial ceiling fan as the core solution.

Our design concept is as follows:

1. Accurate selection and customization: Our selected permanent magnet industrial ceiling fan adopts advanced permanent magnet synchronous high-temperature resistant external rotor motor. This motor has the characteristics of no carbon brush, no Hall effect, and DC drive, with high torque, small size, and energy saving, perfectly meeting the strict requirements for equipment stability and energy efficiency in industrial environments.

2. Scientific Layout, Global Coverage: Based on on-site survey data, we utilized the efficient feature of each large ceiling fan, which can cover up to 2000 square meters per unit. Through precise calculation and scientific layout, we reasonably configured the number and installation points of ceiling fans. This layout fully utilizes the aerodynamic design of the equipment's wing shaped fan blades and energy-saving tail fins, ensuring that the airflow can be evenly pressed down from the top of the workshop, forming a three-dimensional and soft circulating airflow covering the entire 30000 square meter area, achieving seamless ventilation for large spaces. Compared with traditional solutions, this layout not only increases coverage by 40%, but also reduces energy consumption by 35%.

3. Structural advantages, a reassuring choice: We deeply understand the stability requirements of industrial production. The selected permanent magnet industrial ceiling fan adopts a direct drive motor structure, completely eliminating the traditional gearbox link, without gears and high-speed running bearings, fundamentally eliminating faults caused by mechanical wear. This not only achieves maintenance free equipment, but also greatly extends the service life of the equipment, providing customers with a truly "worry free and labor-saving" experience.

Engineering Effect and Value

The core working principle of the permanent magnet industrial ceiling fan used in this project is to slowly and forcefully rotate the huge fan blades, pushing down the thick and heavy hot air layer accumulated at the top of the workshop and affected by equipment heat and solar radiation, and forming a large area and continuous natural breeze blowing sensation in the horizontal direction. At the same time, by opening the doors and windows on the side of the workshop, this powerful airflow can effectively "squeeze" hot air out of the room, forming a continuous convective cycle, thereby significantly reducing the perceived temperature and improving the overall environment.

After the equipment was put into use, the ventilation environment in the workshop has undergone a qualitative leap. The staff generally feedback that in the past, the feeling of stuffiness and dryness in summer has been greatly reduced, replaced by a continuous and comfortable breeze brushing the face. This not only effectively reduces the risk of heatstroke, but also greatly improves the comfort and production efficiency during work. Ruifeng Company has not only successfully completed the ventilation improvement project for the final assembly workshop of the turbine electrical system, but also used this project as an opportunity to fully verify the excellent applicability of permanent magnet industrial ceiling fans in super tall and special spaces such as shipbuilding, heavy industry, and large-scale equipment manufacturing.

Regarding Ruifeng Company

The successful implementation of this project demonstrates the comprehensive equipment selection and scheme design capabilities of Ruifeng Environmental Protection Refrigeration in dealing with complex scenarios such as ultra large spaces and special industry requirements. We are not only able to provide a single product, but also able to start from the actual pain points of customers, combined with various factors such as geographical environment, building structure, production technology, etc., to provide a "one enterprise, one policy" professional and systematic ventilation and cooling overall solution. In the future, Ruifeng will continue to create a cool, comfortable, and efficient working environment for more customers in industrial manufacturing, logistics warehousing, and public places with professional technology and high-quality services.