China factories

Chat Now Send Email
China factory - Shijiazhuang Zhongzheng Technology Co., Ltd.

Shijiazhuang Zhongzheng Technology Co., Ltd.

  • China,Shijiazhuang ,Hebei
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion
China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion

  1. China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion
  2. China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion
  3. China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion
  4. China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion
  5. China Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion

Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion

  1. MOQ: 1 Sets
  2. Price: 10000 USD
  3. Get Latest Price
Payment Terms L/C,T/T
Supply Ability 200 sets / days
Delivery Time 2 months
Size Customized
Material Stainless Steel, Carbon Steel
Design Pressure 0.1-10 Mpa
Applications Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals
Brand Name Center Enamel
Certification ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001
Place of Origin China

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,T/T Supply Ability 200 sets / days
Delivery Time 2 months Size Customized
Material Stainless Steel, Carbon Steel Design Pressure 0.1-10 Mpa
Applications Chemical, Food Processing, Beverage Processing, Brewing, Metallurgy, Oil Refining, Pharmaceuticals Brand Name Center Enamel
Certification ASME,ISO 9001,CE, NSF/ANSI 61, WRAS, ISO 28765, LFGB, BSCI, ISO 45001 Place of Origin China
High Light Carbon Steel Gas Liquid SeparatorCorrosion Proof Gas Liquid SeparatorCorrosion Proof Oil Storage Terminals
Carbon Steel Gas-Liquid Separators for Oil Terminals: Engineering & Corrosion Protection

In oil storage terminals, carbon steel remains the preferred material for gas-liquid separators due to its superior mechanical strength and cost-effectiveness. However, carbon steel requires proactive engineering to combat corrosion from acidic water bottoms and sour gases. By utilizing high-build epoxy-phenolic linings, cathodic protection, and adhering to strict API design codes, operators can achieve a 20+ year service life, ensuring absolute process safety and environmental compliance.

1. The Physics of Separation in Storage Terminals

Efficient gas-liquid separation is defined by the ability to slow fluid velocity enough to allow gas bubbles to rise while liquid droplets settle. This is governed by Stokes' Law, which calculates the terminal rise velocity (vs) of a gas bubble:

For oil terminals, the separator's internal geometry is tuned to maximize the "quiet zone," allowing these physics to work effectively without inducing turbulence that could re-entrain separated gases.

2. Corrosion Mitigation: Making Carbon Steel "Corrosion-Proof"

Carbon steel is susceptible to pitting and uniform corrosion, especially in the presence of water bottoms (brine) and H2S (sour crude). To render these vessels corrosion-proof, we implement a multi-layered defense strategy:

  • Internal Linings (The Primary Barrier): High-build, heat-cured epoxy-phenolic linings are the gold standard. They provide a chemically inert barrier between the steel substrate and the aggressive fluid.

  • Corrosion Allowance: Designing the vessel shell with additional thickness (e.g., 3mm–6mm extra) beyond the pressure-rating requirements acts as a "sacrificial" buffer.

  • Cathodic Protection: In systems with high water content, sacrificial anodes (magnesium or aluminum) are installed internally to divert corrosion currents away from the steel shell.

  • Gas-Phase Conditioning: Removing moisture from the separated gas phase reduces the formation of carbonic acid, which is the leading cause of top-head corrosion.

3. Industry Compliance & Design Standards

Oil storage terminals operate under stringent safety regulations. All carbon steel gas-liquid separators should be fabricated and inspected in accordance with:

Standard Focus Area Requirement for Terminals
API 650/653 Welded Tank Integrity Essential for structural shell compliance.
ASME Section VIII Pressure Vessel Design Critical for separators operating under system pressure.
NACE MR0175 Sour Service (H2S) Mandatory for oil fields with acidic/sour fluids.
4. Operational Maintenance for Longevity

A corrosion-proof design is only as strong as its maintenance program.

  1. Water-Bottom Drainage: Carbon steel corrosion is most aggressive at the interface of oil and water. Regular draining of the water-bottom prevents the establishment of a galvanic cell.

  2. Lining Inspections: Perform spark testing (holiday detection) on internal linings during scheduled shutdowns to ensure no pinholes have developed that could lead to localized pitting.

  3. Inlet Energy Dissipation: Install inlet diverters. High-velocity crude entering the vessel can "sandblast" the internal lining, stripping it away and exposing the raw steel.

5. Frequently Asked Questions (FAQ)

Q: Why choose carbon steel over stainless steel for these separators?

A: Carbon steel offers the required structural thickness to withstand high pressure at a significantly lower cost than stainless steel. When properly lined, its corrosion resistance is excellent for standard petroleum applications.

Q: Can I use a sacrificial anode if the tank is internally coated?

<p class="gtr-

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2008

  • Total Annual:

    100,000,000-200,000,000

  • Employee Number:

    400~500

  • Ecer Certification:

    Verified Supplier

Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank... Shijiazhuang Zhengzhong Technology Co., Ltd (Center Enamel) is a leading high-tech enterprise specializing in the research, development, manufacturing, and sales of a diverse range of equipment. Our core business revolves around providing top-tier solutions, including Glass-Fused-to-Steel (GFS) tank...

+ Read More

Get in touch with us

  • Reach Us
  • Shijiazhuang Zhongzheng Technology Co., Ltd.
  • No.5 Shouzhou East Road, Hebei Zhengding Hi-Tech industrial Development Zone, Shijiazhuang, China
  • https://www.cecvessel.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement