河南肉联厂大型加工车间过滤冷风机(SS-EAC系列)肉类排酸工程项目

【项目背景与挑战】

本项目位于河南省，地处中原腹地，属暖温带-亚热带过渡性气候，四季分明，夏季炎热多雨，冬季寒冷干燥。河南不仅是我国的农业大省，更是全国重要的生猪养殖和肉类加工基地，生猪存栏量、出栏量及肉联加工产业规模均位居全国前列，素有“中原粮仓”和“国人厨房”的美誉。在此产业背景下，当地肉联加工企业对加工环境的要求也日益严苛。

本次项目合作方为河南一家大型现代化肉联加工企业，主要从事肉类排酸、分割、包装及冷冻等精细化加工。其生产车间本质上是一个巨大的低温冷藏房，内部已装有冷冻机组，对车间环境的温度和洁净度有着极高要求。此次项目的核心需求，是为加工中的肉类提供理想的排酸环境，确保产品品质。

肉类排酸工艺的重要作用：排酸是现代化肉类加工的关键环节。牲畜被屠宰后，其肌肉组织会经历一个从僵硬到解僵的过程。排酸工艺就是将胴体或分割肉在0-4℃、相对湿度85%-90%的洁净环境中吊挂24-48小时，通过肌肉内酶的活性作用，将肌肉中的部分蛋白质分解成氨基酸，将肝糖原分解为乳酸。这个过程能有效改变肉质的酸碱度，使肉类变得鲜嫩多汁、口感细腻、营养更易被人体吸收，同时抑制大多数微生物的生长繁殖，大大提升了肉品的食用安全性和风味。

然而，该车间面积巨大，原有的冷冻机组虽然保证了整体低温，但内部空气流通性差，无法将0-4℃的洁净空气均匀、精准地覆盖到每一块正在排酸的肉品上，形成了“有温无风”的局面，影响了排酸效率和均一性。因此，需要引入专门的通风设备，在不产生额外温升的前提下，提供大风量、高洁净度的循环气流。

【瑞峰解决方案：大功率不锈钢过滤冷风机 + 大型风管系统】

面对这一复杂挑战，瑞峰环保制冷的方案设计人员综合考量了多方因素：

1、地理位置因素：河南夏季高温，若采用普通通风设备，极易将室外热空气带入车间，增加冷库负载。

2、低温车间特性：排酸设备在工作时绝不能产生温升，这是保障肉品品质和节能降耗的红线。

3、风量覆盖需求：库房面积巨大，需要足量的大风量冷风，并精准地覆盖到所有加工的肉类产品表面，不能留有死角。

基于以上分析，我们摒弃了传统工业风扇等方案，创新性地采用了“大功率不锈钢过滤冷风机(SS-EAC系列) + 大型风管”的工程布局设计。此方案的优势具体体现在以下几个方面：

1、设备选型：一机两用，精准控温

我们选用的SS-EAC系列大功率不锈钢过滤冷风机，将“空气过滤”与“环境降温”两大功能融为一体。其工作原理是：室外空气首先经过多层过滤系统，达到洁净要求；再经过高效的优质湿帘进行等焓降温（利用水蒸发吸收热量的物理原理，将空气温度降低）；最后通过强劲的动力系统将处理后的洁净冷风送入环境。出风口温度可低至27-28℃，相比夏季动辄35℃以上的室外高温，该设备输出的冷风不仅不会对0-4℃的低温车间造成任何温升负担，反而能形成柔和的微风循环，这是普通工业风扇无法比拟的优势。

2、净化能力：四层过滤，媲美洁净室

为了满足肉类加工车间的苛刻卫生要求，该设备配置了行业领先的四级空气过滤系统，层层递进，确保送风洁净度：

1）防护过滤网：作为第一道防线，有效拦阻沙石、枯枝、碎屑等大颗粒杂物，保护后续滤网和内部结构。

2）初效过滤器：对≥5μm的大颗粒物（如金属木屑、灰尘、毛絮、蚊虫等）进行预过滤，减轻中高效滤网的负荷。

3）中效过滤层：作为深度过滤层级，专门针对直径1-5μm的颗粒物进行拦截，这一设计在同类产品中较为少见，体现了我们对洁净度的极致追求。

4）高效过滤器：作为终极净化层级，可对亚微米级颗粒物（≤0.3μm）进行高效吸附过滤，有效拦截PM2.5、病毒、细菌等，其净化效果可达到甚至超越手术室的空气洁净标准，为肉类排酸提供了近乎无菌的气流环境。

3、产品特性：耐用可靠，按需定制

1）材质卓越：整机采用不锈钢（SS）机身，皮实耐造，具备优异的耐腐蚀、抗氧化和易清洁特性，非常适合肉类加工企业高湿度、需频繁清洗的严苛环境。

2）降温核心：选用5090型高品质湿帘，吸水性、透风性和降温效率均表现卓越。四面进风设计，增大了进风面积和制冷效率，可实现4-8℃的高效降温。

3）智能控制：提供空气开关、液晶控制器、变频控制器等多种控制系统，可根据用户需求实现启停、调速、定时等多种功能，操作便捷。

4）维护便捷：采用插入式滤层设计，更换滤芯如同抽拉抽屉般简单，大大降低了售后维护成本和时间。

5）高度定制：可根据客户预算和特殊要求，选择304/316不锈钢、高锌镀锌板等材质；并可按需定制防爆、不含铜铁锌（适用于特定电子或化工环境）等特殊功能机型。

4、工程布局：风管导流，隔热降耗

我们为该项目量身设计了大型不锈钢风管系统。这套系统的核心价值在于两点：

1）精准输送：运用流体力学原理，通过科学计算风管尺寸、走向和出风口位置，将冷风机产生的洁净、大风量冷风，通过风管网络精准、均匀地吹向每一排加工架上的肉类产品，确保所有肉品都能获得相同的排酸环境，大大提升了排酸的均一性和效率。

2）有效隔热：通过将冷风机主机安装在车间室外，仅通过风管将处理后的冷风引入室内，完美地解决了设备自身电机运转产生的热量会进入车间的问题，实现了“清凉入室，热量在外”，最大程度地降低了对原冷库系统的额外能耗。

【项目成果与价值】

项目投入使用后，车间内的空气流动性和洁净度得到质的飞跃。肉类排酸过程更为稳定高效，产品品质显著提升，获得了客户的高度认可。

物理原理与效益拓展：该方案的成功，核心在于巧妙地应用了“蒸发冷却”与“管道导流”两大物理原理。蒸发冷却利用水蒸发吸热，在不使用压缩机等耗能部件的情况下，实现了对空气的自然降温，节能环保。而风管系统则遵循“风压与风量平衡”的流体力学原理，通过合理布局，将“无形之风”变为“有向之力”，实现了气流的精准控制。启用后，大型加工车间告别了死气沉沉的状况，形成了有益于产品生产的微气候环境。良好的空气循环不仅保障了排酸效果，还减少了肉品表面水分过度流失，提升了出品率，最终转化为企业实实在在的经济效益和市场口碑。

【瑞峰能力延伸】

此次河南肉联厂的项目，不仅是瑞峰环保制冷在肉类加工领域的一次成功实践，更展现了我们强大的综合服务能力。基于SS-EAC系列产品的灵活性与定制化优势，我们的解决方案可广泛应用于：

1、相类似的高标准食品加工场景：如果蔬净化车间、熟食冷却车间等。

2、特殊空间与场景：如大数据中心（要求无尘、恒温）、沙漠及高温地区厂房（要求高效降温）、医院手术室及病房（要求洁净新风）、养殖场（要求防疫通风）等。

该项目充分证明，瑞峰环保制冷具备针对特殊空间、特殊使用场景进行设备综合选型、方案深度设计以及工程精准落地的一站式服务能力。我们始终坚持以客户需求为导向，以“深挖切实需求、落地程度高、产品耐用”为标准，致力于为工业、商业、农业等全场景提供最优的通风降温解决方案。

Henan Meat Processing Plant Large Processing Workshop Filtration Cold Air Fan (SS-EAC Series) Meat Acid Removal Project

Project Background and Challenges

This project is located in Henan Province, in the hinterland of the Central Plains, with a transitional climate from warm temperate to subtropical, distinct four seasons, hot and rainy summers, and cold and dry winters. Henan is not only a major agricultural province in China, but also an important base for pig farming and meat processing in the country. Its pig inventory, output, and meat processing industry scale are among the top in the country, and it is known as the "Central Plains granary" and "Chinese kitchen". In this industry context, local meat processing enterprises have increasingly stringent requirements for the processing environment.

The partner of this project is a large modern meat processing enterprise in Henan, which is mainly engaged in fine processing of meat such as acid removal, segmentation, packaging and freezing. The production workshop is essentially a huge low-temperature refrigeration room, equipped with a refrigeration unit inside, which has extremely high requirements for the temperature and cleanliness of the workshop environment. The core requirement of this project is to provide an ideal acid removal environment for processed meat to ensure product quality.

The important role of meat deacidification process: deacidification is a key link in modern meat processing. After livestock are slaughtered, their muscle tissue undergoes a process from stiffness to resolution. The acid elimination process is to hang the carcass or segmented meat in a clean environment with 0-4 ℃ and relative humidity of 85% -90% for 24-48 hours. Through the activity of enzymes in the muscle, some proteins in the muscle are broken down into amino acids, and liver glycogen is broken down into lactic acid. This process can effectively change the acidity and alkalinity of meat, making it tender and juicy, with a delicate taste and easier absorption of nutrients by the human body. At the same time, it inhibits the growth and reproduction of most microorganisms, greatly improving the safety and flavor of meat consumption.

However, the workshop has a huge area, and although the original refrigeration unit ensures overall low temperature, the internal air circulation is poor, making it impossible to evenly and accurately cover every piece of meat being acidified with clean air at 0-4 ℃, resulting in a "warm but windless" situation, which affects the efficiency and uniformity of acidification. Therefore, it is necessary to introduce specialized ventilation equipment to provide high air volume and high cleanliness circulating airflow without generating additional temperature rise.

Ruifeng Solution: High power stainless steel filter air cooler+large duct system

Faced with this complex challenge, the designers of Ruifeng Environmental Protection Refrigeration have comprehensively considered multiple factors:

1. Geographical location factor: Henan has high temperatures in summer, and if ordinary ventilation equipment is used, it is easy to bring outdoor hot air into the workshop, increasing the load on the cold storage.

2. Low temperature workshop characteristics: The acid discharge equipment must not generate temperature rise during operation, which is the red line to ensure meat quality and energy conservation.

3. Air coverage requirement: The warehouse has a huge area and requires sufficient large air volume cold air to accurately cover the surface of all processed meat products without leaving any dead corners.

Based on the above analysis, we have abandoned traditional industrial fan and other solutions, and innovatively adopted the engineering layout design of "high-power stainless steel filter air cooler (SS-EAC series)+large air duct". The advantages of this plan are specifically reflected in the following aspects:

1. Equipment selection: One machine dual-use, precise temperature control

The SS-EAC series high-power stainless steel filter air cooler we have selected integrates the two functions of "air filtration" and "environmental cooling". Its working principle is that outdoor air first passes through a multi-layer filtration system to meet the cleanliness requirements; Then, through efficient and high-quality wet curtains for isentropic cooling (using the physical principle of water evaporation to absorb heat, the air temperature is lowered); Finally, the processed clean cold air is sent into the environment through a powerful power system. The temperature of the air outlet can be as low as 27-28 ℃. Compared to the outdoor high temperature of over 35 ℃ in summer, the cold air output by this equipment not only does not cause any temperature rise burden on the low-temperature workshop of 0-4 ℃, but also forms a soft breeze circulation, which is an advantage that ordinary industrial fans cannot compare with.

2. Purification ability: Four layer filtration, comparable to a clean room

In order to meet the stringent hygiene requirements of the meat processing workshop, the equipment is equipped with an industry-leading four level air filtration system, which progresses layer by layer to ensure the cleanliness of the air supply:

1) Protective filter screen: As the first line of defense, it effectively blocks large particles such as sand, dead branches, and debris, protecting subsequent filters and internal structures.

2) Primary filter: Pre filter large particles with a size of ≥ 5 μ m (such as metal sawdust, dust, fluff, mosquitoes, etc.) to reduce the load on medium and high efficiency filters.

3) Medium efficiency filtration layer: As a deep filtration layer, it is specifically designed to intercept particles with a diameter of 1-5 μ m. This design is relatively rare among similar products, reflecting our ultimate pursuit of cleanliness.

4) Efficient filter: As the ultimate purification level, it can efficiently adsorb and filter submicron particles (≤ 0.3 μ m), effectively intercepting PM2.5, viruses, bacteria, etc. Its purification effect can reach or even exceed the air cleanliness standards of operating rooms, providing a nearly sterile airflow environment for meat acid removal.

3. Product features: Durable and reliable, customized according to needs

1) Excellent Material: The whole machine adopts a stainless steel (SS) body, which is sturdy and durable, with excellent corrosion resistance, oxidation resistance, and easy cleaning characteristics. It is very suitable for meat processing enterprises in harsh environments with high humidity and frequent cleaning.

2) Cooling core: The 5090 high-quality wet curtain is selected, which has excellent water absorption, ventilation, and cooling efficiency. The four sided air intake design increases the air intake area and cooling efficiency, achieving efficient cooling of 4-8 ℃.

3) Intelligent control: Provides various control systems such as air switches, LCD controllers, and variable frequency controllers, which can achieve various functions such as start stop, speed regulation, and timing according to user needs, making operation convenient.

4) Easy maintenance: Adopting an insertable filter layer design, replacing the filter element is as simple as pulling out a drawer, greatly reducing after-sales maintenance costs and time.

5) Highly customized: materials such as 304/316 stainless steel and high zinc galvanized sheet can be selected according to customer budget and special requirements; And special functional models such as explosion-proof and copper iron zinc free (suitable for specific electronic or chemical environments) can be customized as needed.

4. Engineering layout: Duct diversion, insulation and consumption reduction

We have tailored a large stainless steel duct system for this project. The core value of this system lies in two points:

1) Precise delivery: By applying principles of fluid mechanics and scientifically calculating the size, direction, and position of the air ducts, the clean and high air volume cold air generated by the air cooler is accurately and evenly blown towards each row of meat products on the processing rack through the air duct network, ensuring that all meat products can obtain the same acid removal environment, greatly improving the uniformity and efficiency of acid removal.

2) Effective insulation: By installing the main unit of the air cooler outside the workshop and only introducing the processed cold air into the room through the air duct, the problem of the heat generated by the operation of the equipment's own motor entering the workshop is perfectly solved, achieving a "cool indoor environment with heat outside" and minimizing the additional energy consumption of the original cold storage system.

Project Achievements and Value

After the project was put into use, the air flow and cleanliness in the workshop made a qualitative leap. The process of removing sourness from meat is more stable and efficient, resulting in a significant improvement in product quality and high recognition from customers.

Physical Principles and Benefit Expansion: The success of this scheme lies in the clever application of the two major physical principles of "evaporative cooling" and "pipeline guidance". Evaporative cooling utilizes water evaporation to absorb heat, achieving natural cooling of the air without using energy consuming components such as compressors, which is energy-saving and environmentally friendly. The duct system follows the fluid mechanics principle of "balance between wind pressure and air volume", and through reasonable layout, transforms the "invisible wind" into a "directed force", achieving precise control of airflow. After being put into use, the large processing workshop bid farewell to its stagnant state and formed a microclimate environment conducive to product production. Good air circulation not only ensures the acid removal effect, but also reduces excessive water loss on the surface of meat products, improves yield, and ultimately translates into tangible economic benefits and market reputation for the enterprise.

Ruifeng Capability Extension

The project of Henan Meat Union Factory this time is not only a successful practice of Ruifeng Environmental Protection Refrigeration in the field of meat processing, but also demonstrates our strong comprehensive service capabilities. Based on the flexibility and customization advantages of the SS-EAC series products, our solution can be widely applied to:

1. Similar high standard food processing scenarios include vegetable purification workshops, cooked food cooling workshops, etc.

2. Special spaces and scenarios: such as big data centers (requiring dust-free and constant temperature), factories in desert and high-temperature areas (requiring efficient cooling), hospital operating rooms and wards (requiring clean fresh air), breeding farms (requiring epidemic prevention and ventilation), etc.

This project fully demonstrates that Ruifeng Environmental Protection Refrigeration has the one-stop service capability of comprehensive equipment selection, deep scheme design, and precise engineering implementation for special spaces and usage scenarios. We always adhere to customer needs as the guide, with the standards of "deep exploration of practical needs, high degree of implementation, and product durability", committed to providing the best ventilation and cooling solutions for industrial, commercial, agricultural and other scenarios.