Division and isolation of dangerous goods in the h

2022-09-21
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Division and isolation of dangerous goods in transport packages and solid bulk

this paper introduces the latest classification method of dangerous goods in packaging and solid bulk, and points out the isolation principles that should be followed when carrying this kind of dangerous goods on ships

I Introduction

the latest version of the International Maritime Organization (IMO) (1994) internationalmaritimedangerousgoodscod-e and the safe operation rules for solid bulk cargo (codeofsafepracticeforsolidbulkcargoes) has entered into force, and the 28th set of amendments (1996) to these two rules will enter into force on July 1st, 1997. For this reason, we hereby introduce the latest classification method of packaging dangerous goods and solid bulk dangerous goods and the isolation principles that should be followed when carrying these two kinds of dangerous goods on ships, for the reference and application of the majority of crew and relevant management personnel of marine production

II The latest classification method of the International Maritime Organization for the types of packaged dangerous goods

the international maritime organization divides packaged dangerous goods into the following categories:

1.1 substances and art iclswhichhaveamassexplosionhazard-d)

1. Ningbo Council for the promotion of international trade held a press conference. 2 substances and articlswichhaveafirehazardbutnotamassexplosionhazard.

1.3 substances or articles with fire, small explosion or small ejection hazards, Or both, Substances and articles without overall explosion hazard (substances and articleswhich have a fire hazard and death-eraminorprojectionhazard both, but not amassexplosionhazard)

1.4 substances and articles without major danger

1.5 substances with overall explosion risk but extremely insensitive (veryinsensitive

substanceswhichhaveamassexplosionhazard)

1.6 articles that are not dangerous to explode and are extremely insensitive (extremelyinsensi tivearticleswhichdonothaveamassexplosionhazard)

2.1 flammablegases

2.2 non combustible gases (non flashing, non poisonous

gases)

2.3 poisonousgases

3.1 low flashpointgroupofliquids

3.2 flash point liquids (intermediateflashpointgroupofliquids)

3.3 highflashpointgroupofliquids

4.1 flammablesolids

4.2 substances prone to spontaneous combustion (substancesliabletosponta neouscombination)

4.2 in case of water, it will produce flammable gaseous substances (materialswhich, incontactwithwater, emitflammablegases)

5.1 oxidant (oxidisingsubstances)

5.2 organic peroxides

6.1 toxic substances

6.2 infectious substances

7 radioactive substances (radioactivesubstances)

8 corrosive substances

9 miscellaneousdangeroussub - substances

some of them belong to marine pollutants, Substances belonging to general marine pollutants are marked with (P), and substances belonging to serious marine pollutants are marked with (PP)

III. International Maritime Organization 1 Turn on the power switch to the latest classification method of solid bulk dangerous goods

the international maritime organization divides solid bulk dangerous goods into the following categories:

4.1 flammablesolids

4.2 substances liable to spontaneous combustion

4.3 in case of water, it will produce flammable gaseous substances (materialswhich, incontactwithwater, emitflammablegases)

5.1 oxidisingsubstances

5.2 organic peroxides)

6.1 ToxicSubstances

6.2 infectious substances

7 radioactive substances

8 corrosive substances

9 other dangerous goods (miscellaneousdangeroussubst-ances)

substances that are dangerous only in bulk transportation (materialshazardousonl yinbulk, MHB)

IV. isolation requirements between explosives

X: can be loaded in the same compartment, the same removable ammunition box, the same container or the same vehicle

1. Goods of compatibility class G can be loaded in the same compartment, removable ammunition box, container or vehicle with goods of compatibility classes C, D and E

2. Goods belonging to matching class L can only be loaded in the same compartment, removable ammunition box, container or vehicle with other goods in this matching class

3. Goods belonging to category 1.6 and matching category n can be loaded together if it has been proved that there is no danger in the same compartment, the same removable ammunition box, the same container or the same vehicle; Otherwise, the function of Vickers hardness tester in aluminum profile shall be treated as class 1.1 goods after loading

4. When goods of compatibility class n are loaded in the same compartment, removable ammunition box, container or vehicle as goods of compatibility classes C, D and E, goods of compatibility class n shall be treated as goods of compatibility class D

v. isolation loading between dangerous goods

when packing dangerous goods, the ship shall ensure that the isolation between dangerous goods meets the requirements of Table 2. If the ship is loaded with explosives and other packaged dangerous goods, the requirements for the isolation between explosives and the packaged dangerous goods that are not explosives shall be met at the same time

1. "stay away"; 2. "Isolation"; 3. "Isolated by intermediate compartment"; 4. "Longitudinally isolated by the middle compartment"; x: Isolation measures are described in each article; *: isolation between Class 1 explosives, otherwise specified

VI. isolation between solid bulk dangerous goods

when ships carry solid bulk dangerous goods, the isolation between dangerous goods shall be carried out according to table 3. Generally, solid bulk dangerous goods cannot be loaded in the same compartment

VII. Isolation between solid bulk dangerous goods and packaged dangerous goods

when the ship loads solid bulk dangerous goods and packaged dangerous goods at the same time, the isolation between them should be carried out according to table 4. Of course, the corresponding isolation requirements should also be met between solid bulk dangerous goods and packaged dangerous goods

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