问题:高炉煤气净化回收系统中热交换器采用间接加热,当温度大于100℃时...
Monday, September 12, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:按《工业企业煤气安全规程》规定,煤气柜作严密性试验时间为()天?...
Monday, September 12, 2022
Thursday, September 15, 2022
问题:架空煤气管道与道路交叉,最小垂直净距不得小于()米。...
Thursday, September 15, 2022
问题:煤气设备必须保持正压操作,压力不准低于()Pa。...
Monday, September 12, 2022
Thursday, September 15, 2022
问题:每()年进行一次煤气管道及附属装置的金属表面涂刷防腐漆。...
Thursday, September 15, 2022
问题:煤气设施着火时,应逐渐降低压力,但压力不得低于()Pa。...
Thursday, September 15, 2022
问题:5万立方米转炉煤气柜与厂外道路(路边)的防火间距为多少米?()...
Monday, September 12, 2022
Thursday, September 15, 2022
问题:()是指通过设计等手段使生产设备及生产系统本身具有安全性...
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:加热炉厂房应采用有组织的自然通风,厂房四周宜修建坡屋。()...
Friday, December 29, 2023
问题:杭钢蜂窝式电除尘器及变压器系统要求接地电阻小于多少?()A、2ΩB、4ΩC、10ΩD、1KΩ...
Friday, April 21, 2023
Thursday, September 15, 2022
问题:一氧化碳与空气混合的爆炸极限是12.5%-74%,指的是一氧化碳...
Monday, September 12, 2022
问题:特殊情况下煤气管道距离房屋建筑的最小水平净距不小于()m。A、1B、3C、5...
Sunday, January 14, 2024