What Went Wrong Part 12 pps

... the chemicals 320 What Went Wrong? was stored in cardboard kegs on a shelf close to a hot condensate pipe. As it was known to decompose at 50°C, the electrical department staff members ... clear the choke. The Rod M- Rob Figure 1’7-1. The wrong (a) and right (b) ways of clearing a choked line. 314 What Went Wrong? / 1 Reactor - Choke Remotely operated va...

Ngày tải lên: 11/08/2014, 18:20

... asbestos. Sticky warning labels were fixed to them. No maintenance work was carried out 112 What Went Wrong? Figure 5-2. A tank may be overpressured if the vent or ovefflow is more ... 3. No. 4, July/Aug. 1996, p. 17. I00 What Went Wrong? Fortunately, the tank truck was fitted with a device to prevent it from departing when the filling hose was connecte...

Ngày tải lên: 11/08/2014, 18:20

... Processing, Vol. 63, No. 3, Mar. 1984, 12. H. J. Maushagen, Loss Prevention Bulletirz, No. 055, Feb. 1984, p. 1. p. 85. p. 113. 172 What Went Wrong? crack if one should start. Previously, ... surmise what probably happened. The new recommendations said that refrigerated LFG tanks should be made from materials such as 9% nickel steel, which will not propagate a...

Ngày tải lên: 11/08/2014, 18:20

... A CHARGE MORE (OR LESS) A CHARGE AS WELL AS A CHARGE PART OF A (if A is a mixture) CHARGE OTHER THAN A 344 What Went Wrong? Brazil, as ammonia explosions have occurred from time ... ammonia valves [SI. 350 What Went Wrong? 19.6 THE SOURCE OF THE PROBLEM LAY ELSEWHERE The cause of a problem may be difficult to find when it lies in another part of the plant...

Ngày tải lên: 11/08/2014, 18:20

... 210- 212 faults, 213-216 location, 209 pilot-operated, 216 209-218,259,272,276,368,370, 406 What Went Wrong? registration, 209-210 tailpipes, 21 2 testing, 215-216 vacuum, 115 ,126 -127 ,217-218 ... 36 *- PRODUCT #5920 I ISBN 0-66435-720-5 50000 A 402 What Went Wrong? Fire detectors, 277 Fire fighting, 71, 126 -128 , 167, Fire water, 54 Fireinaster, 10...

Ngày tải lên: 11/08/2014, 18:20

... been prevented. Case histories illustrate what went wrong and why it went wrong, and then guide you in how to circumvent similar tragedies. Twenty percent of the information in this fourth ... What is a confined space?, 241 1 I .9 Every possible error, 242 Chapter 12. Hazards of Common Materials . . . . a . . . . . 244 12. 1 Compressed air, 244 12. 2 Water,...

Ngày tải lên: 11/08/2014, 18:20

... (Fig- ure 1-11, [16, 171. 8 What Went Wrong? Blowdown Blowdown Relief Valve RIGHT Relief Valve Open End -Blank @ Figure 1-4. The right and wrong ways to isolate a vent ... was dismantled with the Demco valve (Illustrarion courtesy of the US. Department of hbor.) open. 32 What Went Wrong? 1.4.7 A Permit to Work Da.,derously? A permit system is...

Ngày tải lên: 11/08/2014, 18:20

... completed” [39]. 36 What Went Wrong? Figure 1-13. This steel box was quite incapable of containing a leak of steam at a gauge pressure of 300 psi (20 bar). 60 What Went Wrong? 2.6 PROCESS ... 90°C. An explosion occurred; the building u'as wrecked, and parts of the reactor were found 75 m away [7]. 56 What Went Wrong? Some hot (370°C) pipework w...

Ngày tải lên: 11/08/2014, 18:20

... been affect- ed by radiography being carried out on welds up to 70 m away. 74 What Went Wrong? 2 .12 CONTROL OF MODIFICATIONS How can we prevent modifications from producing unforeseen ... described the psychology of such slips. 78 80 What Went Wrong? (b) With many types of screwed couplings and compression couplings, it is easy to use the wrong ring. Accidents hav...

Ngày tải lên: 11/08/2014, 18:20

... the dike wall was damaged by the 142 What Went Wrong? this reason, many companies prefer not to use them. If they are partly choked, burning liquid or particles of hot carbon may be expelled ... there since the tank 150 What Went Wrong? 7.1.6 Hoses Hoses are a frequent source of leaks. The most common reasons have been: 1. The hose was made of the wrong material. 2....

Ngày tải lên: 11/08/2014, 18:20