储罐在线检查检查表.doc

储罐在线检查检查表检查项目完成 “”备注C.1.1 基础测量基础的水平和底部的海拔 (see Appendix B for extent of measurements).C.1.1.1 水泥座a. 检查混凝土的破损，开裂，裂缝，特别是壳体下的对焊环缝处b. 检查环形排放的开口，水池的背面和环形的顶部表面是否有底部泄漏的显示c. 检查基础下是否有空洞和罐底部上的植被d. 检查雨水的排放e. 检查罐周边的沉降.C.1.1.2 沥青a. 检查沥青基础的沉降物Check for settling of tank into asphalt base which would direct runoff rain water under the tank instead of away from it b. leakage.查找石子上的油迹，这显示了烃类的泄漏C.1.1.3 油土和砂子Check for settlement into the base which would direct runoff rain water under the tank rather than away from it.C.1.1.4 石子Presence of crushed rock under the steel bottom usually results in severe underside corrosion. Make a note to do additional bottom plate examination (ultrasonic, hammer testing, or turning of coupons) when the tank is out of service.钢制底部石子的碎裂常导致严重的底部腐蚀，标上记录，在不用的时候进一步检查（超声波，锤击试验，拐角试样）C.1.1.5 现场排放装置a. 检查现场的排放装置和有关管线和管网Check site for drainage away from the tank and associated piping and manifolds.b. 检查围堰的操作状况C.1.1.6 卫生情况检查区域内堆积的垃圾，植被和其它物品Inspect the area for buildup of trash, vegetation, and other inammables buildup.C.1.2 壳体C.1.2.1 外部目测检查a. 目测检查油漆，蚀损斑，腐蚀b. 清扫底部拐角区域，检查板和焊缝的腐蚀和减薄状况Clean off the bottom angle area and inspect for corrosion and thinning on plate and weld.c. 检查罐底和基础的泄漏Inspect the bottom-to-foundation seal, if any.C.1.2.2 Internal (Floating Roof Tank)目测检查沟槽，腐蚀，蚀损斑，涂层失效C.1.2.3 铆接壳体的检查a. Inspect external surface for rivet and seam leaks.检查铆接的外表面和缝间泄漏b. Locate leaks by sketch or photo (location will be lost when shell is abrasive cleaned for painting).用草图或照片标定泄漏位置（当壳体打磨清理和油漆后会丢失）c. Inspect rivets for corrosion loss and wear.检查铆钉的腐蚀和磨损d. Inspect vertical seams to see if they have been full llet lap-welded to increase joint efciency.e. If no record exists of vertical riveted seams, dimension and sketch (or photograph) the rivet pattern: number of rows, rivet size, pitch length, and note whether the joint is butt- riveted or lap-riveted.C.1.2.4 Wind Girder (Floating Roof Tank)a. Inspect wind girder and handrail for corrosion damage (paint failure, pitting, corrosion product buildup), especially where it occurs at tack-welded junction, and for broken welds.b. 检查壳体支撑焊缝的蚀损斑，特别是对于壳板Check support welds to shell for pitting, especially on shell plates.c. 注意是否在壳体上有加强板支撑Note whether supports have reinforcing pads welded to shell.C.1.3 壳体附属装置C.1.3.1 人孔和管口a. 检查管口，人孔，加强板的开裂和泄漏迹象b. 检查管口四周壳板的窝形，这是由于管子过度偏向造成的c. 检查法兰和螺栓四周的泄漏d. 检查人孔和管口保温层的泄漏e. Check for inadequate manway ange and cover thickness on mixer manways.检查不合适的人孔法兰和厚度不足的法兰盖C.1.3.2 罐体的管线 -,-,-a. 检查阀和法兰的泄漏b. 检查消防系统元件c. 检查锚定的管线（由于地层位移对底部或壳体连接的损害）d. 检查管线有足够的热压力的释放e. Check operation of regulators for tanks with purge gas systems.f. 检查取样口的泄漏和合适的阀门操作条件g. 检查温度指示器并测试h. 检查壳体上连接6”以上阀的吊柱的焊缝C.1.3.3 自动标尺系统a. 检查自动标尺带的导向器和下滑轮箱（浮动摆杆）的泄搂Inspect autogauge tape guide and lower sheave housing (oating swings) for leaks.b. 检查自动标尺头的损坏Inspect autogauge head for damage.c. 撞击标尺头的检测器看带有无合适的位移Bump the checker on autogauge head for proper movement of tape.d. Identify size and construction material of autogauge tape guide (oating roof tanks).e. Ask operator if tape tends to hang up during tank roof movement (oating roof tanks).f. Compare actual product level to the reading on the autogauge (maximum variation is2 in.).g. 对于浮顶罐，当浮顶在最低位置时，检查暴露在带导向器上的带子不超过2英尺On oating roof tanks, when the roof is in the lowest position, check that no more than two ft of tape are exposed at the end of the tape guide.h. Inspect condition of board and legibility of board-type autogauges.i. 测试标识器和浮动自由度Test freedom of movement of marker and oat.C.1.3.4 Shell-Mounted Sample Stationa. Inspect sample lines for function of valves and plugging of lines, including drain or return-to-tank line.b. 检查循环泵的泄漏和操作问题Check circulation pump for leaks and operating problems.c. 测试样品线和设备的支柱和支撑Test bracing and supports for sample lines and equipment.C.1.3.5 Heater (Shell Manway Mounted)检查冷凝物的排放是否含有泄漏的油Inspect condensate drain for presence of oil indicating leakage.C.1.3.6 搅拌器a. 检查合适的连接和支撑b. 检查泄漏c. 检查电缆及其连接C.1.3.7 Swing Lines: Winch Operationa. Nonoating. Raise, then lower the swing line with the winch, and check for cable tight- ness to conrm that swing line lowered properly.b. Floating. With tank half full or more, lower the swing line, then let out cable and check if swing has pulled cable tight, indicating that the winch is operating properly.c. Indicator. Check that the indicator moves in the proper direction: Floating swing line indicators show a lower level as cable is wound up on the winch. Non-oating swing line indicators show the opposite.C.1.3.8 Swing Lines: External Guide System检查螺纹连接和法兰连接的泄漏Check for leaks at threaded and anged joints.C.1.3.9 Swing Lines: Identify Ballast Varying Need检查储存物的比重有无很大的不同Check for signicant difference in stock specic gravity.C.1.3.10 Swing Lines: 缆绳的材料和状况a. 检查整个长度的腐蚀情况（对非不锈钢缆绳）b. 检查所有缆绳的磨损.C.1.3.11 Swing Lines: 产品取样对比检查水或重力的不同来检查旋转接头的泄漏C.1.3.12 Swing Lines: 靶子靶子应能明确显示摆动管上下的方向和高度，其在底部时由底板支撑，没有吸入C.1.4 罐顶C.1.4.1 罐顶盖板的内部腐蚀For safety, before accessing the roof, check with ultrasonic instrument or lightly use a ball peen hammer to test the deck plate near the edge of the roof for thinning. (Corrosion normally attacks the deck plate at the edge of a xed roof and at the rafters in the center of the roof rst.)C.1.4.2 罐顶盖板的外部腐蚀目测检查油漆破损，孔洞，蚀损斑，腐蚀物.C.1.4.3 罐顶盖板的排放装置寻找水迹的存在（椽子潜在的损坏造成的罐顶盖板的下垂浮顶上大的积水区域表明不合适的排水设计，假如在一侧，可能是浮筒泄漏造成了不水平）C.1.4.4 浮顶的水平At several locations, measure distance from roof rim to a horizontal weld seam above the roof. A variance in the readings indicates a nonlevel roof with possible shell out-of-round, out-of-plumb, leaking pontoons, or hang-up. On small diameter tanks, an unlevel condition can indicate unequal loading at that level.C.1.4.5 内部浮顶的气体测试Test for explosive gas on top of the internal oating roof. Readings could indicate a leak- ing roof, leaking seal system, or inadequate ventilation of the area above the internal oating roof.C.1.4.6 屋顶保温a. 目测检查保温外层的开裂或泄漏，雨水会渗入保温层b. .检查外层下保温层的潮湿c. 拆除保温层小的检测片段，检查靠近保温层的腐蚀和孔洞C.1.4.7 Floating Roof Seal Systemsa. Measure and record maximum seal-to-shell gaps at:1. Low pump out.2. Mid-shell.3. High liquid level.b. Measure and record annular space at 30-ft spacing (minimum of four quadrants) around roof and record. Measurements should be taken in directly opposite pairs. 1. Opposite pair 1.2. Opposite pair 2.c. Check if seal fabric on primary shoe seals is pulling shoes away from shell (fabric not wide enough).检查是否主密封上垫座与壳替脱开（织物宽度不够）d. 检查织物的老化，孔洞，破损和开裂e. 检查可见的金属部件的腐蚀和磨损f. 检查允许蒸气散射密封的开口g. 检查靠着壳体的突出的螺栓或铆钉头h. 沿壳体四周，拉开主密封和次密封，检查它们的操作状况i. Inspect secondary seals for signs of buckling or indications that their angle with the shell is too shallow.检查次密封的扣带标记或角度指示，是否与壳体接触太浅j. 检查楔入式密封的柔性，弹力，裂纹，破损C.1.5 罐顶的附属物C.1.5.1 取样舱口a. 检查取样舱口盖的状况和功能b. On tanks governed by Air Quality Monitoring District rules, check for the condition of seal inside hatch cover.c. 检查舱口盖的腐蚀情况和堵塞情况d. Where sample hatch is used to reel gauge stock level, check for marker and tab stating hold-off distance.e. 检查加强圈上观察孔是否有液滴渗漏出来Check for reinforcing pad where sample hatch pipe penetrates the roof deck.f. On oating roof sample hatch and recoil systems, inspect operation of recoil reel and condition of ropeg. 测试系统的操作Test operation of system.h. On ultra clean stocks such as JP4, check for presence and condition of protective coating or liner inside sample hatch (preventing rust from pipe getting into sample).在特别干净的储罐，检查取样舱口里面的涂层和衬里（避免铁锈进入取样口）C.1.5.2 测量井a. 检查可见的测量井口的减薄，槽口的尺寸，盖板的状况b. Check for a hold-off distance marker and tab with hold-off distance (legible).c. On oating roofs, inspect condition of roof guide for gauge well, particularly the condition of the rollers for grooving.在浮顶上，检查测量井的导向状况，特别是棍子的导向槽d. 如可能，在不同液位时的测量井管到罐壳体的距离e. If tank has a gauge well washer, check valve for leakage and for presence of a bull plug or blind ange.如有测量井垫圈，单向阀，检查其泄漏和是否存在堵塞或盲法兰C.1.5.3 固定顶的支撑检查支撑的腐蚀情况，磨损和结构稳定性C.1.5.4 Autogauge: Inspection Hatch and Guides (Fixed Roof)a. 检查舱口的腐蚀情况和螺栓缺损b. 寻找带子导向器和浮动导向的钢丝锚的腐蚀Look for corrosion on the tape guides and oat guides wire anchors.C.1.5.5 Autogauge: Float Well Cover浮动井盖a. 检查腐蚀情况.b. 检查缆绳的腐蚀和磨损C.1.5.6 Sample Hatch (Internal Floating Roof)取样舱（内部浮顶）a. 检查整个腐蚀情况.b. 当设备带有密封时，检查取样后的自动密封情况c. When equipped with a recoil reel opening device, check for proper operations.C.1.5.7 Roof-Mounted Vents