The issue of the spacing between flexible hoses
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In accordance with the requirements of Petrochemical Code 5.4.3, the distance between storage tanks for flammable liquids should not be less than 4 m. Is the \"crane position\" mentioned in the specifications referring to a crane pipe? In practice, it is common to find that the distance between crane pipes used for transporting oils does not meet the 4-meter requirement; many other designs are of the type \"Content prohibited – please delete\", which are the work of design institutes. Are there any other interpretations of this standard? What is the basis for this? I look forward to everyone’s discussion!
Let’s wait and see; the loading hoses for cars that I’ve seen aren’t that long.
The new version of the fire protection regulations stipulates as follows: 6.4.2 Automotive loading and unloading stations for flammable liquids shall comply with the following requirements: 1 The entrances and exits of the loading and unloading station should be located separately； When the entrance and exit are shared, a turnaround area should be provided within the station ； 2 The loading and unloading yard should have a floor made of cast-in-place concrete ； 3 The distance between the loading/unloading crane positions and the buffer tanks should not be less than 5 m, and the distance between the elevated tanks should not be less than 0.6 m ； The distance between the loading/unloading nozzles for Class A, Group 4 and Class B, Group A liquids and the centrally located pumps should not be less than 8 m ； 5 When there are no buffer tanks inside the station, an emergency shut-off valve that is easy to operate should be installed on the loading and unloading pipelines at a distance of more than 10 m from the loading/unloading crane positions ； For the loading and unloading of Class A, B, and C liquids, submersible loading/unloading nozzles should be used ； The distance between the loading/unloading bays for Class A liquids 7A, B, and CA and those for other types of liquids should be no less than 8 meters ； 8 The distance between the crane positions for loading and unloading vehicles should not be less than 4m ； The distance between adjacent crane positions on bilateral loading/unloading quays, or between adjacent crane pipes at the same crane position, should meet the requirements for the normal operation and maintenance of the crane pipes. Appendix E: Starting and ending points of fire separation distances. The starting and ending points for fire separation distances in area planning, the overall layout of factories, and the internal layout of process units or facilities are as follows: Equipment – outer edge of the equipment; Buildings (except open or semi-open workshops) – outermost axis; Open or semi-open workshops – outer edge of the equipment; Railways – center line; Roads – road edge; Wharves – center of the oil transfer arm and berth; Railway loading/unloading nozzles – center line of the railway; Road vehicle loading/unloading nozzles – center line of the nozzle vertical pipe; Storage tanks or tank groups – outer wall of the tank; Flares – center of the flare; Overhead communication and power lines – center line of the line; Process units – outermost edge of the equipment or outermost axis of the building
What is the standard number for the new fire protection code you are referring to? I didn’t see it! Are there specific requirements for this in existing standards? Thank you. Do you mean the 2008 updated version? Does anyone have it in electronic form? This post was last edited by chinawoo on 2009-2-25 10:17.]
The fire protection design codes for petrochemical enterprises stipulate that the distance between transfer pipes should be greater than 4 meters. However, the design specifications for oil depots do not mention requirements in this regard.
The fire protection design codes for petrochemical enterprises stipulate that the distance between transfer pipes should be greater than 4 meters. It must be done strictly in accordance with the specifications, while also taking into account the spacing between workshops.
The requirements set by the standards are quite reasonable. Greater than 4 meters: generally, the flexibles do not affect each other; otherwise, they may collide when rotated. Typical vehicle loading cranes are equipped with two cranes, with a minimum distance of 8 meters between them, allowing for the simultaneous loading of two vehicles. Railway loading crane positions, with a distance of at least 6 meters between them.
The main addition in the new version of the specifications mentioned on the third floor is this clause: \"8. The distance between loading and unloading crane positions should not be less than 4m.\"； The distance between adjacent crane positions on bilateral loading/unloading quays, or between adjacent crane pipes at the same crane position, should meet the requirements for the normal operation and maintenance of the crane pipes. ”I’m not sure if the new rules have been implemented; this provision wasn’t available in the old version. From what I understand, only one crane pipe can be installed per crane position, meaning that one parking space corresponds to one crane position. Anyway, it’s not very clear how it works.
According to the provisions in version 92, Article 5.4.3: Automotive loading and unloading stations for flammable liquids shall comply with the following requirements: 1. The entrances and exits of the loading and unloading station should be located separately； When the entrance and exit are shared, a turnaround area should be provided within the station ； II. The loading and unloading yard shall have a floor made of cast-in-place concrete ； III. The distance between the crane positions for loading and unloading should not be less than 4m ； The distance between the truck loading/unloading crane position and the buffer tank should not be less than 5 m ； IV. The distance between the loading/unloading cranes for Class A B and Class B A liquids and the pumps shall not be less than 8 m ； V. When there are no buffer tanks on site, an emergency shut-off valve that is easy to operate should be installed on the loading and unloading pipelines at a distance of more than 10 meters from the loading/unloading crane positions ； VI. For the loading and unloading of Class A B and Class B A liquids, submersible loading/unloading nozzles shall be used.
The norms seem a bit vague; everyone understands them differently
The new petrochemical regulations are different from the previous ones, but I believe it is necessary to consider the explanations provided in the regulations; sometimes flexibility is also possible, and that is why people have different understandings. As long as the safety measures are proper, the rules can be flexible – it’s not necessary to follow them strictly; what matters is that actual safe production is ensured. These are my personal opinions; let’s discuss them together.