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  1. Do non-metallic flanges have an RF face? - HCBBS Forum
  2. Conditions and factors for determining pipeline pressure ratings, as well as design standards - HCBBS Forum
  3. 【Safety Management and Standardization of Special Equipment】Which pressure vessels are not governed by the Regulations on Fixed Pressure Vessels? ——Interpretation of 1.5 items and nine categories of exempt equipment - HCBBS Forum
  4. Why must a certain amount of steam be allowed to escape from the exhaust pipe of the deaerator? - HCBBS Forum
  5. The China National Research Institute of Chemical Engineering held a seminar to discuss how chemical process pilot plants can pursue sustainable development - HCBBS Forum
  6. Hidden danger investigation and management system - HCBBS Forum
  7. Chemical engineering books - HCBBS Forum
  8. Briefing: Thursday, February 1st, twenty-second of December - HCBBS Forum
  9. Briefing: Tuesday, January 9th, November 2nd** - HCBBS Forum
  10. Correct usage of dual safety valves - HCBBS Forum
  11. Questions on Basic Knowledge of Oil Measurement - HCBBS Forum
  12. Jilin Petrochemical Implements Precision Management to Reduce Losses; Key Metrics Reach Historic Best Levels - HCBBS Forum
  13. Monday, March 27 [EHS Category] - HCBBS Forum
  14. Online question: Do water treatment filters fall under the category of pressure vessels? - HCBBS Forum
  15. Briefing: Sunday, December 24th, the 12th day of the 11th lunar month - HCBBS Forum
  16. Jinchuan Group has obtained a patent for an automatic drainage device for acetylene production pipelines using the calcium carbide method, which enables automatic drainage - HCBBS Forum
  17. Heat exchanger scaling and maintenance series----Best practices for maintenance - HCBBS Forum
  18. Six skill master workshops of Sinopec have been included in the 2024 **-level skill master workshop project unit registration list - HCBBS Forum
  19. Briefing: Monday, February 12th, the third day of the Lunar New Year! - HCBBS Forum
  20. Urgently seeking a 3D animation of internal floating roof storage tanks - HCBBS Forum
  21. An exploration of the key aspects of modern management of equipment - HCBBS Forum
  22. Is it still necessary to record on-site reports by the field operator after completing electronic inspection checks? - HCBBS Forum
  23. What are the requirements in the technical specifications for valve procurement? - HCBBS Forum
  24. “The “3D Immersive Simulation Training Platform” is highly favored - HCBBS Forum
  25. Take a look at the “cutting-edge technology” 107 on the device – the manhole cover sealing system - HCBBS Forum
  26. 【Safety Management and Standardization of Special Equipment】What is an ultra-high pressure tubular reactor? - HCBBS Forum
  27. Domestic products and imported products - HCBBS Forum
  28. 【Learning from Others’ Experiences】Maoming Petrochemical has implemented a three-dimensional monitoring system for oil refinery pipeline leaks by utilizing optical imaging technology - HCBBS Forum
  29. Importance of process safety information - HCBBS Forum
  30. Heilongjiang Jidi Oil Services: Precise Accounting at Critical Points, Effective Efficiency Improvements in Key Areas - HCBBS Forum
  31. In the north during this season, when preparing ice brine at -15℃, what density should it have? - HCBBS Forum
  32. Jihua Materials Procurement Company enforces strict controls at “three key stages” to ensure the quality of materials used in projects - HCBBS Forum
  33. Xinjiang Zhongtai Motivates All Employees to Innovate with Real Resources - HCBBS Forum
  34. Contraindications for plugging leaks under pressure - HCBBS Forum
  35. Storage requirements for chemicals prone to being used in the production of drugs and explosives - HCBBS Forum
  36. 【Safety Management and Standardization of Special Equipment】- How to properly distinguish between internal and external pipes in boilers? - HCBBS Forum
  37. How to choose a reactor agitator - HCBBS Forum
  38. Briefing: Sunday, January 7th, the 26th day of the 11th lunar month - HCBBS Forum
  39. What are the aspects of process corrosion protection in oil refining companies? - HCBBS Forum
  40. 【Haichuan’s Best Practices】Conducting special inspections and rectifications for external corrosion of low-temperature pipelines to ensure their safe and reliable operation throughout their entire lifecycle - HCBBS Forum
  41. [Haichuan’s Best Practices] Fushun Petrochemical’s inspection data moved to the cloud, enabling intelligent inspections that ensure intrinsic safety - HCBBS Forum
  42. 【Learning from Others: Haichuan】Jinxi Petrochemical’s Thermal Power Department Uses Biomass Fuel to Reduce Carbon Emissions and Improve Efficiency - HCBBS Forum
  43. Heat tracing pipeline management - HCBBS Forum
  44. In a high-pressure hydrogen system, during the pressure testing phase, what should be done if the nitrogen-based pressure test cannot reach the pressure required for hydrogen operation? - HCBBS Forum
  45. How is the horizontal distance X from the hot spot to the torch center cylinder determined in the Torch SH3009? - HCBBS Forum
  46. [SeaChuan’s Insights] Jinling Petrochemical’s PSA unit utilizes thermal nitrogen technology to improve the regeneration efficiency of its adsorbents - HCBBS Forum
  47. 【Haichuan’s Best Practices】Increasing the proportion of feedstocks used in vapor-phase cracking to reduce the costs associated with ethylene cracking - HCBBS Forum
  48. Boiler knowledge: What are the effects of steam pressure fluctuations? - HCBBS Forum
  49. There are several types of corrosion on the flue gas side of the heated surfaces - HCBBS Forum
  50. Warning! 15 chemicals are included in the surplus risk list. - HCBBS Forum
  51. Standard specifications for steam heating pipes - HCBBS Forum
  52. 【Haichuan’s Best Practices】Tonghua Group’s ‘three key tools’ for energy savings and carbon reduction: equipment upgrades, intelligent monitoring and control, and the use of green energy as a substitute” - HCBBS Forum
  53. Briefing: Saturday, November 11th, September 2nd! - HCBBS Forum
  54. Briefing: Wednesday, October 11, August 27 - HCBBS Forum
  55. Changling Refining & Chemicals has obtained a patent for a modular flushing device for easily solidifying high-temperature solvent pumps, thereby enhancing the stability and reliability of the operation of mechanical seals in such conditions - HCBBS Forum
  56. Can storage tanks used for storing diesel and kerosene be used to store gasoline as well? - HCBBS Forum
  57. How to correctly select the model of a twin-screw pump - HCBBS Forum
  58. Problems with the discharge of initial rainwater and oily wastewater from tank areas - HCBBS Forum
  59. 【Haichuan Chemical Valve Knowledge】What is the purpose of valve fire resistance testing? - HCBBS Forum
  60. 9 common problems and preventive measures during the commissioning of chemical plants after maintenance - HCBBS Forum
  61. LD/T 3.4-1993 (Work quota for pressure vessels in DE) - HCBBS Forum
  62. Fushun High-Tech Zone: Assisting enterprises in taking every step successfully - HCBBS Forum
  63. Heat exchanger scaling and maintenance series----Prevention and control of fouling - HCBBS Forum
  64. How to select pressure gauges appropriately for special media and applications? (Accompanied by standard references) - HCBBS Forum
  65. 【Haichuan’s Best Practices】Replacing synthetic vent gas with LNG fuel to improve furnace efficiency - HCBBS Forum
  66. Some of the media that cause intergranular corrosion in austenitic stainless steels - HCBBS Forum
  67. Common problems with heating furnaces - HCBBS Forum
  68. Briefing: Thursday, December 28, the 16th day of the 11th lunar month - HCBBS Forum
  69. Sunday, April 30th – Have a happy May Day holiday - HCBBS Forum
  70. 100 inspection criteria for the 6S site of the equipment - HCBBS Forum
  71. How is it calculated how many pipeline elbows can be cut from a bent pipe (5D)? - HCBBS Forum
  72. Materials for mechanical seal friction pairs - HCBBS Forum
  73. Selection of piping materials - HCBBS Forum
  74. Fushun Petrochemical Plant No. 3: Integrating lean management concepts into the “capillaries”” - HCBBS Forum
  75. Are there any other regulatory requirements regarding the pressure operation control parameters for atmospheric pressure storage tanks? - HCBBS Forum
  76. What are the factors that affect the nitration reaction? - HCBBS Forum
  77. Discuss the importance of handover meetings - HCBBS Forum
  78. 【Haichuan: Lessons from Others】Using wall-climbing robots to remove dust inside reactors to assist in the conversion of the equipment for other purposes - HCBBS Forum
  79. Dagang Petrochemical focuses on refining its team to drive development - HCBBS Forum
  80. Basic knowledge of DCS – take a look - HCBBS Forum
  81. Principles of Chemical Process Safety Design_Safety Valves - HCBBS Forum
  82. Purpose and methods of bearing shell scraping - HCBBS Forum
  83. Analysis of the high alcohol content after the methanol separator - HCBBS Forum
  84. On environmental protection for new projects - HCBBS Forum
  85. Briefing: Thursday, May 11th, the 20th day of the third lunar month! - HCBBS Forum
  86. Distribution of chlorine in oils - HCBBS Forum
  87. Basic Knowledge of Construction and Installation Projects (II): Basic Knowledge of Construction Techniques - HCBBS Forum
  88. Equipment inspection and condition-based maintenance - HCBBS Forum
  89. Liquid oxygen vaporizer icing problem - HCBBS Forum
  90. Basics to know for beginners in boiler operation - HCBBS Forum
  91. How can the steam and steam condensate coming from the steam trap be utilized effectively? - HCBBS Forum
  92. Briefing: Monday, April 24th, the fifth day of the third lunar month – have a pleasant workday and a happy life! - HCBBS Forum
  93. Steam pipeline network put into operation - HCBBS Forum
  94. Core advantages of microwave scale inhibition and removal technology - HCBBS Forum
  95. Three months long! Shandong launches a campaign to identify and rectify safety hazards in production - HCBBS Forum
  96. Basic Knowledge of Construction and Installation Projects (IV): Installation of Industrial Pipelines, Static Equipment, and Process Metal Structures - HCBBS Forum
  97. Innovation is key to making great strides forward – Insights from the technological innovation efforts of China National Chemical Engineering Corporation Sixth Construction Co., Ltd - HCBBS Forum
  98. 【Survey results available】HAZOP is conducted every 3 years — most people got it wrong! - HCBBS Forum
  99. [Lessons from Others] To address the issue of “using a powerful engine for a light load”, the refrigeration renovation project for Huajin Shuangxing’s butadiene plant has been put into service - HCBBS Forum
  100. CNPC e-Learning leverages digital technologies to create a new engine for talent training - HCBBS Forum
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