array(3) { ["data"] => array(20) { [0] => array(11) { ["tagname"] => string(27) "需要注意哪些问题。" ["inlink"] => int(0) ["addtime"] => string(10) "1600481695" ["tagid"] => int(1582757) ["id"] => string(7) "1582757" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503965612670991) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1582757" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1582757" } [1] => array(11) { ["tagname"] => string(24) "需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1599709911" ["tagid"] => int(1323302) ["id"] => string(7) "1323302" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503955980451853) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1323302" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1323302" } [2] => array(11) { ["tagname"] => string(24) "需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1599709911" 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} [7] => array(11) { ["tagname"] => string(36) "马桶选购需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1600480630" ["tagid"] => int(1387485) ["id"] => string(7) "1387485" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503958120595482) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1387485" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1387485" } [8] => array(11) { ["tagname"] => string(30) "收房需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1600480755" ["tagid"] => int(1391549) ["id"] => string(7) "1391549" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503958249570308) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1391549" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1391549" } [9] => array(11) { ["tagname"] => string(30) "验房需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1593421791" ["tagid"] => int(53175) ["id"] 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string(36) "//www.sheji456.com/ask/tlist/1830024" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1830024" } [12] => array(11) { ["tagname"] => string(30) "买房需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1594371558" ["tagid"] => int(486825) ["id"] => string(6) "486825" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503927361667101) ["pageurl"] => string(35) "//www.sheji456.com/ask/tlist/486825" ["m_pageurl"] => string(33) "//m.sheji456.com/ask/tlist/486825" } [13] => array(11) { ["tagname"] => string(30) "家装需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1604570311" ["tagid"] => int(4633007) ["id"] => string(7) "4633007" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703504068839735319) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/4633007" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/4633007" } [14] => array(11) { ["tagname"] => string(30) "租房需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1598923399" ["tagid"] => int(849037) ["id"] => string(6) "849037" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503939730669580) ["pageurl"] => string(35) "//www.sheji456.com/ask/tlist/849037" ["m_pageurl"] => string(33) "//m.sheji456.com/ask/tlist/849037" } [15] => array(11) { ["tagname"] => string(33) "买期房需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1599444624" ["tagid"] => int(1164787) ["id"] => string(7) "1164787" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503949841039388) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1164787" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1164787" } [16] => array(11) { ["tagname"] => string(36) "卧室风水需要注意哪些问题" ["inlink"] => int(0) ["addtime"] => string(10) "1599444624" ["tagid"] => int(1170603) ["id"] => string(7) "1170603" ["depart"] => 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加油站避雷针怎么设置？需要注意哪些问题？

加油站避雷针怎么设置？需要注意哪些问题？

浏览：95次 | 提问时间： 07-16 05:51

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眼见灼伤 07-16 05:51

房屋避雷针安装方法1．杆避雷针制造和安装避雷针由接闪器（即避雷针的针尖）、支杆、接地引线和接地体四部分组成。针尖用粗一点的铜丝、铁丝做成，用粗铁棍更好；支杆可用木杆，也可用金属杆；接地引线可用粗一点的铁丝或其它带状金属条，上端与针尖相连，下端与埋入地下的接地体相连，连接应该用焊接。接地引线应该用整根线，并选择最矩离接到接地体上，尽量不弯曲。接地体是埋在地下的金属物件，通常用钢管、角钢、钢针等做成，长度应取1~2m。埋没深度不小于2m。避雷针接地体不能与其它接地体混用，应该独立接地。2．金属杆避雷针的制造和安装用金属杆做支杆的避雷针，可使用金属支杆本身导引雷电流而不需另设接地引线。避雷针针尖与金属杆焊接在一起。埋入地下的接地体可用钢管、角钢、钢针等做成。长度应取1~2m。埋没在深度不小于2m的坑中，坑中可撒些盐。在选择避雷针安装位置时，应尽量离开人们通过的道路和进出口，以防雷击时避雷针附近产生的跨步电压伤害人体。

四囍 07-16 06:00

避雷针普通的材料20.00元/米30层楼的话一层按3.3米算就是(3.3*30*20)

音卿 07-16 06:08

1980元材料费加其它东西要看类型定。避雷针，又名防雷针，是用来保护建筑物、高大树木等防止雷击的装置。在被保护物顶端安装一根接闪器，用符合规格导线与埋在地下的泄流地网连接起来。避雷针规格应该符合GB标准，每一个防雷类别需要的避雷针高度规格都不一样。当雷云放电接近地面时它使地面电场发生畸变。在避雷针的顶端，形成局部电场集中的空间，以影响雷电先导放电的发展方向，引导雷电向避雷针放电，再通过接地引下线和接地装置将雷电流引入大地，从而使被保护物体免遭雷击。

深度依赖 07-16 06:17

首先，无论是否安装避雷针都要接地。您的疑惑在于只要装上“避”雷针就可以避雷了，非也，避雷针也叫“引雷针”，接地不好，那是引火烧身。假如在铁烟囱不安装避雷针，由于是铁的缘故，它本身就是一个避雷针，紧紧这个避雷针大家不习惯而已（仅仅在这个个案），前提是一定要好好接地。很多人不认同铁烟囱就是避雷针的概念，非要焊上一根尖尖的金属棒才是避雷针。尖棒之成为我们习惯的避雷针由于取其尖端放电的原理，由于其尖端放电，因此比其他的物体更早的放电，这就是这个行业常说的“先导”作用，由于他的先导电作用，因此起到保护其他建筑物的作用。作为铁的烟囱，只要不是刻意制作，那么肯定有不少的尖利边角。其次，最重要的是，突出地面接地优良的铁管，本身就是一个优良的放电端子。由此看来理论上铁烟囱是不另外安装避雷针直接接地的。但规范没有特别的赦免。期望对您有用。

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