江西省 基本用途
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礦用電纜 本產(chǎn)品用于作煤礦井下監(jiān)測(cè)、控制中低頻傳輸線。 執(zhí)行：企業(yè)參照采用MT818.14－1999 。 使用特性：電纜使用溫度為－40℃～+50℃；在25℃時(shí)濕度為95%；電纜敷設(shè)溫度≥－10℃；電纜敷設(shè)時(shí)的彎曲半徑MHYVR和MHYBV≥10倍電纜外徑，其余型號(hào)≥15倍電纜外徑。 技術(shù)指標(biāo)： 型 號(hào) 指 標(biāo) 項(xiàng)目 MHYVP、MHYV32 MHYBV MHYVR、MHYVRP 1/1.38 1/1.00 7/0.30 7/0.37 7/0.43 7/0.52 20℃時(shí)導(dǎo)體直流電阻 Ω/km ≤45 ≤73 ≤37.8 ≤25.7 ≤19.0 ≤12.7 固有衰減（800～1000Hz） dB/km ≤1.10 ≤1.30 ≤1.0 ≤0.8 ≤0.65 ≤0.5 20℃時(shí)導(dǎo)線絕緣電阻 MΩ.km ≥3000 線對(duì)工作電容（800～1000Hz） μF/km ≤0.06 遠(yuǎn)端串間衰減（800～1000Hz） dB/km ≥70 電感（800～1000Hz） mH/km ≤800 試驗(yàn)電壓 1.5Kv 1min 直流電阻差 ≤環(huán)阻的2% 型號(hào)和名稱： 型 號(hào) 名 稱 用 途 MHYV32(PUYV39、PUYV39-1) 礦用聚絕緣阻燃聚氯護(hù)套單層鋼絲鎧裝井筒電纜 用于斜井或豎井中作主電纜 MHYVRP(PUYVRP) 礦用聚絕緣阻燃聚氯護(hù)套銅絲編織屏蔽軟電纜 用于井下平巷或斜巷作電纜 MHYVP(PUYVP) 礦用聚絕緣阻燃聚氯護(hù)套銅絲編織屏蔽電纜 用于井下電磁較大的 MHYBV(PUYV31) 礦用聚絕緣阻燃聚氯護(hù)套單層鍍鋅鋼絲編織鎧裝電纜 用于井下平巷作主電纜 MHYVR(PUYVR) 礦用聚絕緣阻燃聚氯護(hù)套軟電纜 用于井下平巷或斜巷作電纜 規(guī)格表 規(guī) 格 電纜外徑（mm） 規(guī) 格 電纜外徑（mm） 對(duì)數(shù)×根數(shù)×導(dǎo)體直徑 MHYV32 MHYVP 對(duì)數(shù)×根數(shù)×導(dǎo)體直徑 MHYBV 1×2×1.38 － 11.0 1×2×1.0 11.4 1×4×1.38 16.0 12.0 1×4×1.0 12.3 3×2×1.38 19.8 16.0 3×2×1.0 15.3 4×2×1.38 22.4 18.0 4×2×1.0 16.2 5×2×1.38 26.6 19.0 5×2×1.0 17.2 6×2×1.38 27.4 21.0 6×2×1.0 19.3 8×2×1.38 28.8 22.0 8×2×1.0 20.2 10×2×1.38 32.5 26.0 10×2×1.0 22.6 規(guī)格表（續(xù)） 型 號(hào) 規(guī) 格 電纜外徑（mm） 對(duì)數(shù)×根數(shù) 7/0.30 7/0.37 7/0.43 7/0.52 MHYVR MHYVRP 1×2 7.2 8.0 9.0 10.0 1×3 8.0 9.0 9.5 11.0 1×4 8.5 13.5 10.0 12.0 3×2 11.5 14.5 14.0 16.0 4×2 12.0 16.0 15.0 18.0 5×2 13.0 17.0 16.5 19.0 6×2 14.0 18.0 18.0 21.0 8×2 15.0 18.5 19.5 22.0 10×2 18.0 22.0 23.0 26.0 |
近事務(wù)會(huì)議,的監(jiān)測(cè)站,將加快顆粒物的來源分析監(jiān)測(cè)技術(shù)路線指導(dǎo)和能力建設(shè),促進(jìn)省級(jí)和地市級(jí)的提前條件源解析業(yè)務(wù)。今年1月,宣布監(jiān)測(cè)站空氣顆粒物源解析監(jiān)測(cè)技術(shù)指南(試行)", the provisions of the ambient air particulate matter source involved in the ytical b of monitoring technology, among them, the air, unorganized emission and pollution to the environment exhaust particulate matter of antimony, aluminum, arsenic, barium, beryllium, cadmium, chromium, cobalt, copper, lead, manganese, molybdenum, nickel, selenium, silver, uranium, thorium, thallium, tin, zinc, bismuth, strontium, vanadium, lithium and other 24 kinds of elements was measured by the inductively coupled plasma mass spectrometry, inductively coupled plasma atomic emission spectrometry, X-ray fluorescence spectrometry three bs;Of atmospheric particulate matter in the mercury, arsenic, selenium, bismuth, antimony and other five elements determined by the atomic fluorescence spectrophotometry;To NO3-4 kinds of the determination of anionic and Na + 5 kinds of cationic ion chromatography is adopted;Such as Na + 4 kinds of cationic atomic absorption spectrophotometry;For particulate matter elements in the determination of carbon and organic carbon adopted hot - light transmission b;Exhaust air, fixed source to the environment and unorganized emissions on the determination of 16 kinds of polycyclic aromatic hydrocarbons in air particulate matter adopted liquid chromatography and gas chromatography - mass spectrometry;Of atmospheric particulate matter is the determination of alkanes adopted the b of gas chromatography - mass spectrometry instrument;The particles on the determination of water soluble organic carbon in the ultrasonic extrb b of total organic carbon yzer.因此,儀器信息網(wǎng)編輯,一旦顆粒物的來源分析監(jiān)測(cè)技術(shù)路線和能力建設(shè)指導(dǎo)正式啟動(dòng),將促進(jìn)我國(guó)發(fā)行的省級(jí)監(jiān)測(cè)站數(shù)量來源解析,這將的監(jiān)測(cè)單位10以上類型的儀器及相關(guān)設(shè)備,相關(guān)試劑耗材采購(gòu)需求。監(jiān)測(cè)站、2014年監(jiān)測(cè)任務(wù)的實(shí)施,加快終端技術(shù)創(chuàng)新和轉(zhuǎn)型升級(jí)編輯器:劉yl型儀表
