Xinli Environmental Technology (Shandong) Co., Ltd. (Abbreviation: Shandong Xinli / Xinli Environment) Registered brands are \"snyli \", main business: FFU, air filter, liquid tank filter, chemical filter, wound filter, air supply, lamination, wind shower, transfer window, Purifying shed, clean engineering, providing an indoor air quality control solution, providing air quality control equipment OEM, etc.

FFU Structure and Classification 1. Box FFU Box It is often made of aluminized zinc, stainless steel. The role is to support the fan and the airline, convert the dynamic pressure of the fan to static pressure. 2. The fan is usually available for AC (AC), DC (DC) 3. Equilibrium device for the flow of flow of the airflow, so that the internal airflow distribution of the box is more uniform, which is built into the interior of the box, and below the fan. 4. Control components For AC FFU, which often use five gear governors or accepted governors; the control chip of the DC system is embedded inside the motor, and remote control is achieved by means of dedicated control software, computer, air gateway and network line. FFU classification based on power control classification: AC (AC system) DC (DC system) Classified according to the box material: Aluminum-dip steel plate, stainless steel plate (304/430) According to the filter: Glass Fiber / PTFE surface wind speed: common standard wind speed 0.45m / s

FFU English is a Fan Filter Unit, a fan filter unit. The FFU fan filter can be modularly connected. FFU is widely used in clean room, clean work desk, clean production line, assembled clean room and local 100-level applications. FFU has an initial, medium and efficient multi-level filter. The fan is inhaled from the top of the FFU and filtered through the primary / high-efficiency filter, and the filtered clean air is delivered at a variety of wind speeds of 0.45 m / s ± 20% throughout the wind. Suitable for obtaining a high-level clean environment in a variety of environments. It provides high quality clean air for different sizes and clean rooms of different sizes, different cleanliness levels. In the newly built clean room, clean factory-transformed refurbishment, improve the cleanliness level, reduce noise and vibration, can also greatly reduce costs, easy to install and maintain, is ideal for clean environment. FFU application, classification and structure FFU

AHU Combined Air Conditioning Box: It is mainly to extract indoor air (RETURN AIR) and some new wind to control the air temperature and air volume and maintain indoor temperature. A Hu-Air Handling Unit Air Processor (AHU); equipment for adjusting indoor air temperature and cleanliness. There is an air filter that meets the air heater, air cooler, air humidifier for hot wet treatment requirements, and the air filter for purifying the new wind, returning air, and the muffler for reducing the noise of the ventilator noise.

In recent years, more and more engineering optimization designs have adopted the total lifetime cost index as the objective function of the optimal design mathematical model to conduct technical and economic analysis of the problem. This paper also uses this method. Based on the total resistance formula of this type of high-efficiency air filter obtained by a large number of experimental studies, a mathematical model with the minimum life-time total cost is established, and the problem is solved as the high efficiency of this type of FFU The basis of air filter design, and some practical conclusions have been obtained.