Solid Bowl Screen
Centrifuge
Maintenance, Repair, & Overhaul
| Plant | Petrochemical Plant |
| Equipment | Solid Bowl Screen Centrifuge |
| Application | Phenol |
| Plant | Petrochemical Plant |
| Equipment | Solid Bowl Screen Centrifuge |
| Application | Phenol |
Problem Statement
The Solid Bowl Screen Centrifuge, a Single-Line Equipment in the production line at Petrochemical Plant, experienced Multiple Mechanical Seal Failures, and High Vibration leading to Operational Inefficiencies and Potential Contamination Risks.
Upon inspection, extensive wear on the Rotor and severe damage to the seal landing area were identified, necessitating urgent refurbishment and component replacement to restore the unit to optimal functionality.
Dimension Details:
- Weight: 8.5 tons
- Total Length: 6 meters
- Diameter: 1.5 meters
Scope of Work
Equipment Handling & Inspection:
- Securely transported the centrifuge to the Service Facility, following Strict Handling Procedures.
- Dismantled the unit with specialized tools to Prevent Further Damage.
- Removed residual phenol and conducted a Thorough Decontamination Process.
- Performed a Detailed Assessment and Documented All Findings.
Component Refurbishment & Overhaul:
- Refurbished the damaged Rotor, ensuring dimensional accuracy and balance.
- Addressed severe damage in the seal landing area, requiring precision machining.
- Refurbished & Installed 5 heavy-duty Centrifuge Seals engineered to withstand operational stresses.
- Conducted a full overhaul, including bearing and lubrication system inspection, to restore OEM specifications.
Refurbished Centrifuge Seals:
| Feed Pipe Seal | Qty 1 |
|---|---|
| Seal Size | 9 / 9 inches |
| Seal Type | HS/HS |
| Seal Configuration | Dual Pressurized Face To Face Cartridge |
| API Plan | 54/61 |
| Case Seal | Qty 2 |
|---|---|
| Seal Size | 13.5/13.5 inches |
| Seal Type | HS/HS |
| Seal Configuration | Dual Pressurized Face To Face Cartridge |
| API Plan | 54/61 |
| Bearing Seal Solid End | Qty 1 |
|---|---|
| Seal Size | 10.75 / 10.75 inches |
| Seal Type | HS |
| Seal Configuration | Single Inside Non-Cartridge |
| API Plan | 02 |
| Bearing Seal Liquid End | Qty 1 |
|---|---|
| Seal Size | 10.75 / 10.75 inches |
| Seal Type | HS/HS |
| Seal Configuration | Dual Unpressurized Back to Back cartridge |
| API Plan | 02 |
Engineering Modifications & Process Optimization:
- Implemented an Advanced Modification Solution to rectify the seal landing area within accepted tolerances.
- Applied Precision Machining and Surface Treatment to enhance Durability and Sealing Efficiency.
- Ensured Compliance with OEM Standards through rigorous quality checks and performance validation.
Execution & Quality Assurance:
- Deployed specialists & technicians to execute the refurbishment under a 24/7 Operational Support Framework.
- Performed functional testing and balancing to ensure Optimal Centrifuge Performance.
- Securely transported the overhauled centrifuge to the Client’s Plant with necessary safeguards to prevent transit damage.
Result
Timeline:
| Task | Duration |
|---|---|
| Equipment Collection & Inspection | 1 Day |
| Dismantling, Decontamination & Reporting | 1 Day |
| Component Refurbishment & Replacement | 3 Days |
| Reassembly & Testing | 2 Days |
| Final Validation & Delivery | 1 Day |
| Total Completion Time | 7 Days |
Result:
Our Fluid & Gas Sealing and Rotating Equipment Specialists successfully completed the Maintanance, Repair, and Overhaul (MRO) of the Solid Bowl Screen Centrifuge within 7 days of receipt. Additionally, our Installed Base Management team assisted with the centrifuge installation. Due to our Cost-Effective and timely solution, the Petrochemical Plant is now back in operation and running smoothly.
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