Summary of posts on steam purging technology exchange

Thread Content

Summary of posts on steam purging technology discussions 1. Steam purging and steam towers 2. Can the O-rings of machine seals be purged and heated using steam? 3 What details should be noted when purging the steam system? 4 Medium-pressure steam purging and pressure testing plans 5 Can a welding nozzle flow meter be used for purging steam pipelines? 6 Why cannot austenitic stainless steel pipelines be purged with steam? 7. Thermal compensation issues related to steam purging in pipelines using normal-temperature media. 8. What is the most appropriate method for purging steam pipelines in turbines? 9 What precautions should be taken when purging high-pressure steam pipes? 10 What are the criteria specified for determining that a high-pressure steam pipeline has been properly purged? 11 Purging of steam pipelines? 12 Why must the pressure difference between the steam and the pressure in the vaporization furnace be at least 0.5 Mpa when using steam for purging the burner? 13 What is the difference between steam purging and instrument air purging? 14 When calculating stresses, what temperature should be used for pipes in a normal-temperature medium but with steam purging (low-pressure steam)? 15. Purpose of steam purging in the coal slurry and oxygen pipeline systems for burners. 16. Does anyone have a steam purging plan? Preferably one that can be applied generally? 17 Pressure testing and purging plan for medium-pressure steam pipelines. 18 I need to know urgently: Who should be responsible for purging the steam pipelines before starting operations? 19 Who can provide the steps for purging steam pipelines using a test target? 20 What are the precautions for purging steam pipelines with a diameter of DN25 at a pressure of 3.8 MPa? 21 An electrostatic flash explosion incident during steam purging of a heavy oil tank 22 Is it necessary to install a purge steam line at the inlet of the air cooler on top of the contact cooling tower? 23 Differences between steam and nitrogen purge lines 24 Steam purging 25 When purging a newly installed facility, should steam purging be carried out first or water flushing first? 26 May I ask if it is necessary to purge long pipes in sections during steam purging? 27 Why is it strictly prohibited to allow steam to enter the hydrogen-handling systems and pump chambers during purging? 28 Should water be used for flushing first before using steam for purging when starting up the equipment? 29 How should steam at 4.0 MPA be used for purging? 30 Purging of high-pressure steam pipelines 31 Issues with flow meters during steam pipeline purging 32 Please discuss the purging procedures for medium and high-pressure steam pipelines in turbines 33 What are the specific details of the purging plan for the main steam pipeline of the 260T boiler? 34 Design considerations for purge steam 35 How to verify the steam purge conditions for pressure vessels? 36 Purge plan for low-pressure steam systems ELUF-005-001 37 Why is it necessary to use steam for purging pipelines that require hot work? 38 Should the steam condensate (MSC) pipes be purged with air? 39 Several issues regarding steam purging of pipelines 40 Urgent need for plans for purging, water testing, and steam pressure testing of atmospheric and vacuum distillation units 41 Steam purging 42 Plans for purging steam pipelines 43 Plan for medium-pressure steam purging in a 1.2 million tons/year diesel hydroprocessing unit 44 When purging pipelines, apart from removing orifice plates and isolating pressure reducing valves from the steam pipelines, are there any other instruments that don’t need to be removed? 45: Is the mass flow meter sensitive to cleaning with process air or steam? 46: Questions regarding steam cleaning. 47: Issues with medium-pressure steam cleaning? 48 Which pipelines are purged with steam?