In mechanical and electrical products in the application of medicinal purified water equipment

In mechanical and electrical products in the medical application of purified water equipment hong-feng liu visit exhibition hall 3 e environmental protection equipment exhibition hall noise control/water treatment equipment, uv sterilizer, reverse osmosis devices, dust filter, dust catcher,. 。 。 Abstract: the purified water is used in the process of pharmaceutical production process water, is very important for the safety of drug production and drug users. This paper briefly introduces the medicinal preparation of pure water and the application of mechanical and electrical products in the purified water equipment, through the use of units of PLC, HMI, inverter and other products, the purified water production equipment operational stronger, more automated processing. 1. Preface water is a valuable resource to the survival of humans, is an indispensable important raw material of pharmaceutical production. Water used in the pharmaceutical industry, especially the pharmaceutical raw materials with the water quality, a direct impact on pharmaceutical and drug safety. Purified water preparation process after years of development, has developed from simple single device into a set of purified water preparation now. The corresponding water making process also got great progress, from simple manual development to the present way of centralized automatic control. Below is the preparation of purified water and in mechanical and electrical products in the application of water equipment are briefly introduced. 2. Introduce technology and equipment under the condition of natural water constantly contact with the air, the earth's surface, the bottom and the role of the dissolution of rock and soil contains a variety of impurities. Main impurity can be divided into three categories: (1) sediment, animal and plant debris, microorganisms and other suspended matter; Diction is given priority to with all sorts of molecules and ions collection of colloid; (3) with a single solute molecules or ions in the form of free. Pharmaceutical water is the process water does not contain any additives. Pharmaceutical water system control to control the content of the impurities, at the same time to effectively handle and control the pollution of microorganism and bacterial endotoxin. Usually adopts the ion exchange resin, distillation condensation, electrodialysis, reverse osmosis process. The preparation process is roughly divided into five parts: preprocessing, depth of the primary desalination plant, desalination plant, post-processing equipment, pure water distribution system. Purified water equipment including mechanical parts and electrical parts: mechanical parts is mainly composed of water pump, pressure tank, water tank, electromagnetic valve, filter and piping; Electrical part is mainly composed of programmable controller ( PLC） , touch screen, inverter, pressure gauge, relay, etc. Figure 1 preparation of purified water for a display case at the scene. Figure 1. Pure water manufacturing equipment. 3. Control structure according to the customer request the project process control. The control system architecture is shown in figure 2. The control system hardware configuration: DOP - in touch screen B10S615, stage of programmable controller ( PLC） Analog module DVP04AD - DVP32ES200R, PLC extension VFD185F43A E2, in frequency converter. System Settings has automatic and manual two kinds of operation modes: automatic program-controlled to multipoint multi-channel water level sensor, dynamic pressure controller based on combination of monitoring the operating condition of the parts by time relay timing operation to realize the system automatically run; Manual operation is mainly used for system installation and debugging and maintenance. Figure 2 control system architecture 4. Program main function is that touch screen display and control system of the data in the process of water and water pump electromagnetic valve of the running state. PLC input have each valve open and close and the liquid level and pressure of the tanks, the liquid level of the input is analog input; Output pump start stop, solenoid valve open and close, alarm and so on. Figure 3 as part of the touch screen control interface ( In the early design) 。 Figure 3 - A touch screen interface ( In the early design) Figure 3 - Touch screen interface (b In the early design) PLC program is mainly divided into the following basic: initialization part, analog acquisition, data processing part, logic control section ( Manual and automatic) Part, alarm, etc. Figure 4 for part of the PLC controller program design. Figure 4 5 PLC program design. Conclusion with the development of science and technology, people on the water quality ( Including medical water and drinking water) The requirements of more and more is also high. In order to get qualified purified water, water treatment equipment automation requirements more and more is also high. In the application of mechanical and electrical products to make the preparation of purified water system has strong maneuverability, but also greatly improve the degree of automation and control precision. Recognised by a lot of water purification equipment manufacturers, has the good market prospect, and can be widely promoted.
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