Taking Jiangsu Xinhai Petrochemical Co., Ltd. as an example, this paper introduces the successful application cases of Yudian AI secondary instrument and laboratory equipment. The article introduces the important links of several types of AI meters in various laboratory equipment. Taking Jiangsu Xinhai Petrochemical Co., Ltd. as an example, this paper introduces the successful application cases of Yudian AI secondary instrument and laboratory equipment. The article introduces the important links of several models of AI in various laboratory equipment. The actual operation proves that Yudian's AI secondary instrument and laboratory equipment have the advantages of precise control, high stability and high reliability, and the site runs well.
Key words: asphalt film oven, asphalt wax content tester, AI secondary instrument
Abstract:Taking new stone chemical co., LTD in jiangsu province as an example, introduces the yu AI secondary instrument and laboratory equipment complete sets of successful application cases in the use, the article introduces the yu electric all kinds AI table in each assay played An important part of the equipment, through the actual operation, prove that yu electric company AI secondary instrument and test equipment has advantages of high control precision, stability and high reliability, field work well.
Key words: Asphalt thin film oven, wax content in asphalt tester, AI secondary instrument
0 Preface
In the development of automation today, no matter the various industries, the automation requirements are very high, especially in the important refining and chemical industry testing equipment, the test data is very demanding, and there should be no omissions and falsehoods, otherwise it will affect the company's reputation. The test data is strictly required, and good equipment must be used to work. The test data has high precision for temperature control. The following describes the application of the U-meter in the asphalt wax content tester and the asphalt film oven.
1 Asphalt wax content tester, asphalt film oven design requirements
1.1 Main technical parameters
The asphalt wax content tester is designed and manufactured according to the standard requirements of SH/T0425-92 "Method for determination of petroleum asphalt wax content". It is suitable for determining the wax content of road petroleum asphalt by pyrolysis distillation. The instrument conforms to the JTL052-2000 standard of the Ministry of Communications. Asphalt wax content tester technical parameters: working temperature: -25 ° C ~ +40 ° C; water bath medium: ethanol water bath 300 * 300 * 280mm; cooling average speed: 0.8 ° C / min; temperature control accuracy: ± 0.5 ° C; cooling power: 220V ~ 1.5 horsepower; heating power: 1KW; frost power: 70W.
The principle of the asphalt wax content tester is to analyze the flow of the asphalt at a high temperature of more than 500 degrees to determine whether the asphalt is qualified. Its performance characteristics are: small and exquisite design, designed for convenience and practicality. The outer casing of the instrument is made of high-quality plate. The inner and upper caps are made of high-quality stainless steel "target=_blank> stainless steel plate. The corrosion resistance is strong. There are 3 holes in the cold bath of the instrument, which can be used for 3 samples at the same time. The comparison sample can also be sampled separately. The temperature controller is the control core of this product, and the temperature is controlled by Yudian high-precision temperature controller. The measurement of the constant temperature bath temperature is carried out by PT100. The sensor is sensitive and reliable. It can quickly and timely reflect the change of temperature. The output of the temperature controller is the control output, the control precision is high, and it can be guaranteed within the error range specified by the standard. The new energy-saving lighting lamp is installed at the back of the cold bath, so that the operator can clearly Observe the test procedure. The instrument adopts the compressor refrigeration technology, which can quickly cool after the instrument is turned on to ensure the required cooling capacity. The bath body is made of transparent glass material, which is easy to observe transparently during operation. The asphalt film oven also has high temperature requirements. Once the temperature display error is likely to cause equipment damage, it is especially important to choose temperature control to achieve real and effective data, but finally Yudian AI secondary instrument System meets the requirements of all types of field devices.
2, equipment configuration
2.1 hardware configuration
Asphalt wax content instruments mainly include Yudian thermostat, manufacturer supporting power button, analyzer instrument, electric heater and factory supporting equipment, etc., mainly through Yudian AI instrument to control the whole control process, realize automatic control, accurate temperature and thus give The test brings accurate data.
The thermostat adopts Yudian AI-518/518P artificial intelligence temperature controller and AI-719 artificial intelligence regulator. Main features: The input adopts digital correction system, built-in common thermocouple thermal resistance correction table, accurate measurement, AI-719 has an accuracy of up to 0.1, powerful input and output, with output, alarm, communication interface and so on. Output 4-20MA adjustable valve, heater, solenoid valve and other equipment. Input specifications: thermocouple K, S, R, E, J, T, N; thermal resistance: CU50, PT100. The corresponding time is less than or equal to 0.5 seconds. The advanced control algorithm of fuzzy logic PID adjustment and parameter self-tuning function is convenient to operate, and the desired value can be adjusted by directly inputting a button on the screen.
3. Conclusion and on-site application pictures
Through the above brief description and picture demonstration, Yudian AI secondary instrument has been well applied in our company and has been recognized by many leaders. I simply say a few points from a single device. In fact, Yudian equipment is used in almost all equipment. There are applications on the table, the table is fast and sensitive, the precision is high, and the control output is accurate. This is proved by the quality of our test oils. The watch has not experienced any faults since it was put into operation in 2008 and has been running smoothly. It can be seen that Yudian AI secondary instrument temperature controller and controller are our trustworthy products.
Personal information: Zhang Dongmin (1985-), male, graduated from China University of Petroleum (East China), major in chemical engineering and technology, senior instrumentation (national third-level title), e-commerce division (national third-level title), current Jiangsu Xinhai Petrochemical Engineer in the workshop, engaged in instrument maintenance and repair, DCS, PLC design and programming.
references:
[1]. Yudian AI-719 artificial intelligence regulator user manual V7.5. Xiamen Yudian Automation Technology Co., Ltd. version 1994-2009.
[2] AI-518 intelligent thermostat instruction manual V7.1. Xiamen Yudian Automation Technology Co., Ltd.
[3] Zhang Gong. WSY-010A asphalt wax content tester instruction manual. Wuxi Petroleum Instrument Equipment Co., Ltd.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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