ISO 4529:2023 工業炉および関連処理装置 — 二次製鋼 — 溶鋼処理用の機械および装置 | ページ 6

3.1

secondary steelmaking machinery and equipment

SSME

machinery and equipment for treatment of liquid steel under vacuum or atmospheric pressure

3.2

material addition equipment

equipment for storage, conveying and adding material into liquid steel

3.3

blowing equipment

equipment for blowing gas and/or powder on top or into liquid steel

3.4

burner equipment

burner for atmospheric operation inside RH vessel

3.5

positioning equipment

equipment for positioning of components

3.6

stirring equipment

equipment for homogenisation of liquid steel

3.7

vacuum pump

equipment to reduce pressure with respect to atmospheric conditions

3.8

vacuum vessel equipment

equipment to enable a treatment of liquid steel under vacuum conditions

3.9

media handling equipment

equipment to store, supply and return process media

3.10

electrical heating equipment

electrical equipment to provide thermal energy to liquid steel

3.11

temperature measurement and sampling equipment

manual or automatic equipment for temperature measurement and taking samples of liquid steel and slag

3.12

high-voltage switch gear

furnace breaker

device to connect and disconnect the ladle furnace to/from the electrical high voltage supply

3.13

safety layout

graphical description of plant-related equipment regarding safety

3.14

hazard zone

danger zone

any space within and/or around machinery in which a person can be exposed to a hazard

[SOURCE:ISO 12100:2010, 3.11]

3.15

take-over-point

point where the secondary steelmaking machinery and equipment (SSME) (3.1) is connected to incoming/outgoing material (e.g. liquid steel), process media, electricity (e.g. power supply and communication like input/output parameters)

Note 1 to entry: For example, ladle take-over-point: point where overhead cranes or other transport systems deposit or remove ladles.

3.16

safeguard

guard or protective device

[SOURCE:ISO 12100:2010, 3.26]

3.17

competent personnel

person who can demonstrate a combination of knowledge and skills to effectively, efficiently, and safely carry out specified tasks

Note 1 to entry: Competence is usually specified by activity [e.g. design, selection of equipment, installation, operation, maintenance (3.20) , testing, inspection (3.20.1) , repair (3.20.3) ].

3.18

authorized personnel

competent personnel (3.17) who has the permission to perform a specific task under defined requirements on a specific equipment

3.19

trained personnel

person with the knowledge of systems, background, experience and ability to operate and/or maintain the equipment in the intended use and proper operation of the machinery/ equipment

Note 1 to entry: Background experiences are intended to be specific for the type of equipment.

3.20

maintenance

activities carried out outside the production process

3.20.1

inspection

basic checks (e.g, visual) of equipment

3.20.2

service

periodic exchange of lances, cleaning (e.g. lance), lubrication, adjustment of limit switches

3.20.3

repair

physical action taken to restore the intended function of faulty equipment

3.20.4

reconditioning

measure to return to the nominal condition

Note 1 to entry: Foreseeable measures can be to replace worn parts or parts having expired the foreseen lifetime (could require dismantling/disassembling). These parts will normally meet manufacturers' original specification.

3.20.5

functional test

checking the functionality of the exchanged or repaired parts

Note 1 to entry: It can be required to carry out adjustment work, e.g. test runs, verifying safety functions.

3.21

alloying material

ferrous and/or non-ferrous metallic additions

3.22

chimney effect

suction power caused by the thermal updraft of hot gases expanding

3.23

control room

main room in which the control desk and monitoring facilities for a secondary steelmaking machinery and equipment (SSME) (3.1) are located

Note 1 to entry: It is a location where operating personnel is required permanently during the production process.

3.24

local control stand

control units usually situated adjacent to the equipment

Note 1 to entry: It is a location where operating personnel is required temporarily during the production process.

3.25

portable control box

mobile control units connected to the control system, wired or wireless

Note 1 to entry: For example, to position equipment more precisely.

3.26

ignition source

source of energy that initiates combustion

3.27

manual control

control device which is manually operated

3.27.1

hold-to-run control

control device which initiates and maintains machine functions only as long as the manual control (3.27) (actuator) is actuated

Note 1 to entry: Release of the button/device stops the function (e.g. movement) immediately.

3.28

operating mode

state of the control system allowing to operate the secondary steelmaking machinery and equipment (SSME) (3.1) under defined conditions

Note 1 to entry: Such conditions (modes) could include production, safe stop, enabling, adjustment, inspection.

Note 2 to entry: The safety level of the operating mode(s) is defined as result of the risk assessment.

3.29

slack rope and overload protection

device to detect slack rope and overload of winch systems

3.30

manufacturer

natural or legal person declared as responsible for compliance with the requirements of the design and/or manufacturing of machinery

Note 1 to entry: The process of design and construction of machinery may involve several individuals or companies, but one is declared as the manufacturer.

3.31

material handling system

equipment for storage, conveying and adding bulk material