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 Posted: Sat 11:45, 26 Feb 2011 Post subject: moncler jackets ASU dedicated chromatograph _2107 |
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ASU dedicated chromatograph
With data entry, manual and automatic operation, automatic alarm and feedback control,[link widoczny dla zalogowanych], control printing, over-temperature protection of several functions. Analysis of air separation plant to meet the testing requirements. Sixth, the high sensitivity of detection of acetylene acetylene is the main air separation plant dangerous substances detected very low concentrations of acetylene great significance. In the direct injection of the conditions, the detection sensitivity of acetylene is an important indicator of the level of one instrument. In order to improve the detection sensitivity of acetylene, from the size of the sample volume, column selection and performance of injection 【'】, chromatography operating conditions, the detector structure, the amplifier performance, and other aspects of computer work. To test the sensitivity of standard samples with acetylene 0.1ppm (0.1ppm trapped below the standard sample are not readily available), were detected. In testing, the micro-current amplifier output attenuation file ~: / t6 Department. (Normal working hours for the l / 1). At this time of the test results are shown in Table 2. Table 2 Acetylene standard sample test results o. O8601C70.090D. 0830O90O0g8 in 1 / 16, detection accuracy is also high. This shows that in the ideal case, when the attenuation of micro-current amplifier output file placed in t / t at the time the sample is lower than 0.1ppm/16 acetylene, the instrument can still be detected. In the absence of the computer section I990 No. 4 pieces of cryogenic technology I9 · under, 0.1ppm of acetylene samples at z / 1, the peak height in the 6rflin about 1 / 16 file, simply do not see peaks. Literature on the acetylene is still to see such high detection sensitivity reported. VII Conclusion scholars believe that the main condenser to prevent local air separation plant chemistry, in addition to taking measures on the process, mainly due to the establishment of means of detection of acetylene and other hydrocarbons to discover the existence of sets things in order to take appropriate safety measures. China Petroleum & Chemical Corporation, an air separation plant oxygen on acetylene and other hydrocarbons in the provisions of control targets [1, clearly stipulates: 1000in. / H oxygen generator must be installed above the line chromatograph. DICP for the development of online computer chromatography, with high reliability,[link widoczny dla zalogowanych], full-featured, high degree of automation is simple, convenient, highly sensitive detection of acetylene, fast, long service life for the industry to provide an advanced oxygen means of detection. References on China Petroleum & Chemical Corporation, {by the liquid oxygen air separation of acetylene and other hydrocarbons in the material control index table requirements. Ministry of standard draft for approval (1989) second study group of Chinese Association of Refrigeration. Local Colloquium on ASU. 1979.1O. Writing Group of Chemical Industry. Chemical Industry (Volume). Fuel Chemistry, 1973. Oxygen acetylene and other hydrocarbons billion of industrial properties shake machine sets online column chromatography but research report. Dalian Institute of Chemical Physics, Chinese Academy of study. 1989.12. (February 1990 draft, May change the draft) to open an empty factory and the joint development of aircraft Wah In 1987 the joint development of the form factor specification, can be easily installed ~. DDZ-I-type form of the original instrument panel opening, the control method (adjustment algorithm) flexible, with a variety of control algorithms, software and hardware technology group blog, easy to wrap the user control to run} simple} high reliability and easy maintenance. This product can be used in air separation equipment, smelting, brewing, pharmaceutical, chemical, furnaces and other process control,[link widoczny dla zalogowanych], with the configuration Ling Tian,[link widoczny dla zalogowanych], reliability. In order to the system so that customers have a more intuitive understanding, we will be in 1990 1O 22 ~ 26 demonstration held in Beijing, Zhu surgery simulation exchange. (Kaifeng Air Separation plant reported June 10, 1990) SZ3. 5-1.s7/150 sampling qualified type oxygen compressor plant in 1988 by the antioxidant transferred to Zhejiang Machinery Factory Zhoushan Dinghai Xiangsheng trial production 3Z3.5 ~ 1.67/150 type oxygen compressor 12 period in 1988 Hangzhou Oxygen Plant technical review of qualified, into mass production. According to the transfer station with the provisions of Hangzhou Machinery Bureau and the group of antioxidant plant composition of pumping pick in lg9O on May 31 to June 3. of sampling products for 8 hours base load operation after the demolition of sandalwood, the main part was the main grid station project 9O.98,[link widoczny dla zalogowanych], the key to the project frame rate of 100 units. various technical indicators have reached the station by squeezing the same standard. Therefore, the product disclosed as qualified Goods. -
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