The traditional process of filtering, washing, and drying raw materials has serious defects such as poor washing effect of filter cake, high labor intensity of manual operation, difficulty in material transfer, susceptibility of materials to equipment transmission components and open environments, difficulty in cleaning and sterilizing equipment, and difficult operation and verification. These defects have a significant impact on the color grade, bacterial contamination, and visible foreign matter quality indicators of drugs.

In recent years, the multifunctional flat plate filtration and washing two in one developed by Changzhou Baide Drying has been rapidly promoted and applied due to its superior performance of filtering, washing, automatic discharge, and washability and sterilization in the same container. It has gradually replaced traditional crystallization purification production equipment such as centrifuges and suction tanks, becoming a new type of equipment for raw material filtration and washing production.
(1) The entire operation process is completed in a sealed sterile clean working area, avoiding direct contact between materials and people and contamination from the surrounding environment;
(2) Crystallization: Crystallization is an important process operation in the production of sterile raw materials. The quality of drug crystal formation not only has a significant impact on the difficulty of subsequent filtration, drying, crushing, and packaging operations, but also plays a crucial and decisive role in key quality indicators such as drug color grade, dissolution time, and drug stability.
(3) Filtration: Solid liquid separation is achieved under pressure or vacuum, resulting in a smooth filter cake and good solid-liquid separation effect after filtration;
(4) Washing: A universal cleaning ball is installed on the inside of the container to evenly distribute the cleaning solution inside the container for material cleaning and container cleaning. The filter cake and cleaning solution are mixed by lifting and stirring the blade to thoroughly wash the slurry suspension filter cake;
(5) Unloading: After scraping and loosening the material, it can be automatically discharged from the discharge port on the side of the cylinder wall through the mixing blade.
(6) The entire equipment has simplified processes, prevents cross contamination, facilitates material exchange, improves production efficiency, and integrates mechanical and electrical systems. It can use PLC control technology to achieve automated operation of the entire filtration and drying process.

Structure of Flat Plate Filter Washing 2-in-1 Equipment
The flat filter washing two in one host consists of a head, a cylinder, a jacket insulation, and a filter chassis. It has a split structure, a detachable chassis, and is connected to the tank body through a C-shaped clamp structure. The bottom of the filter chassis has a stainless steel bracket and is equipped with 4 polyurethane casters for easy movement of the chassis. The tank body is supported by three legs, with the upper part of the legs bolted to the bracket on the side wall of the cylinder and the lower part fixed to the ground. The internal structure of the device has a smooth transition and no dead corners.
(1) Continuous operation of filtration and washing throughout the entire process in the same container;
(2) Operate under pressure or vacuum to achieve solid-liquid separation;
(3) The filter cake is evenly distributed during filtration, and the solid-liquid separation effect is good;
(4) The lifting and lowering of the hydraulic control mixing system maximizes the slag holding space in the filtration process;
(5) The lifting and stirring of the mixing blades ensure that the filter cake and cleaning solution are fully mixed during cleaning, and the filter cake is thoroughly washed to improve efficiency;
(6) The liquid outlet valve has multiple controls, and the solid discharge system automatically discharges to reduce labor intensity;
(7) Can be cleaned online;
(8) The entire operation can be carried out under N2 protection, which is safe and reliable;
(9) You can choose between packing seal or mechanical seal.

Performance characteristics of flat filter washing two in one
A 2-in-1 filter tank is a process that involves mixing, reacting, filtering, cleaning, and removing liquids in a closed container. It has the characteristics of simple structure, simplified process flow, high production efficiency, no cross contamination, convenient material replacement, and high degree of automation. At the same time, it can greatly reduce the volume of the required clean room and lower the basic investment cost. Widely used in industries such as pharmaceuticals, chemicals, food, dyes, etc., it is particularly suitable for production occasions with high cleanliness requirements, small batch production of multiple varieties, and large batch production.
(1) System sealing: The filtration and washing two in one system is a fully sealed system, which can prevent toxic substances from polluting the air and reduce the occurrence of poisoning accidents among operators during production and operation in a sealed system.
(2) Recycling: Materials and solvents are almost completely recovered to avoid waste caused by material omissions and solvent evaporation.
(3) Multi functional integrated operation: filtering and washing are completed in the same device.
(4) Continuous operation: Filtering and washing are carried out in a continuous system without the need to process wet filter cake.
(5) Save manpower: Non technical personnel who have undergone simple training can complete the operation. Opening, closing, automatic feeding, and automatic discharging do not require technical personnel to monitor.
(6) Thoroughly cleaned: The three in one filtration, washing, and drying system has the functions of automatic spraying and stirring. The filter cake can be thoroughly cleaned, thereby reducing the amount of wastewater discharged and lowering the cost of wastewater treatment.
(7) Clean production: The system is equipped with a dust collector to collect the dust generated after drying, which can meet the requirements of clean production.