Manufacturing Vessel Standard Maintenance Procedure

PURPOSE of Manufacturing Vessel Standard Maintenance Procedure

Manufacturing Vessel – The objective of this Standard Maintenance Procedure is to describe the procedure for maintenance of mfg. vessel under Production department. Provides for use Safety Valves set at lower than maximum working pressure of the vessel. Pressure Gauges with maximum operating pressure marked by Red. Drain valve for each pressure vessel isolation valves for each pressure vessels…

SCOPE

Frequency of tests of pressure vessels-external every six months, internal (where possible to see) once every year. ( Where not possible to see inside ) not fitted with continuous plant-hydraulic test every to years, pressure vessel fitted with continuous process plant to be hydraulic tested every 4 years. This procedure is applicable for maintenance of mfg. vessel under Production department of  Limited

AREA OF OPERATION

Production floor of General Production building.

RESPONSIBILITY

Operators under engineering department are responsible for following this SOP.Routine responsibility for ensuring that this procedure is implemented as and where necessary rests with the Head of Engineering department.Quality Assurance Department is responsible for SOP compliance.

INVOLVED

 All concern Operators, Executives / Officers and Head of Engineering Department.

DEFINITION & ABBREVIATION  

Definition: There is (are) no unique term(s) in this document.Abbreviation: There is (are) no unique term(s) in this document.

HEALTH &  SAFETY CONSIDERATION

Wear sound & Eye protective devices during machine operation.

SYSTEM / PROCESS OWNER

Engineering Department

DESCRIPTION & SPECIFICATION OF MACHINE

Inside mat polish & out side mirror, SS grade: 304,.Inner chamber 3.0mm thick AISI 316, Outlet chamber 3.0mm thick, AISI304. Size57’’x58’’, Capacity: 2400 Liters, Heating source: [email protected]/cm2. Stirrer: Electric power, 400V, 5.5HP, Speed: 300,450,600 rpm. Main shaft: AISI316, Propeller: fan type.   

Procedure

  • Red Mark on pressure gauge. Inspection for voltage fluctuation
  • Proper earthing condition of machine
  • Inspection the supply pressure must be 3-4 bar. 
  • Check the any leakage of compressed air
  • No rusts on seams. Check all bolts & nuts of stirrer assembly
  • Check the alignment of stirrer
  • Check the physical condition of T/C clamp
  • Clean from deposit of chemically reactive matter. Check the physical condition of ‘O’ rings
  • Safety valve set marked and sealed. Checked the bearing & oil seal of motor
  • Drain cock operating not blocked. Check the leakage of cooling pot
  • Cleaning & water replacement of cooling pot
  • Check the leakage of mechanical seal
  • No rusts on plates or body. Check the over heat of mechanical seal
  • Visual inspection for proper working of spray ball
  • No Pitting. Clean and free of carbonized oil and other matter. Cleaning
  • Check the correct indication of pressure gauge for cooling pot
  • Cleaning & water replacement of pressure gauge for cooling pot.
  • Greased all greasing point (By grease)
  • Stop valve to isolate, operating
  • No external visible leaks
  • No visible defects
  • Lubricated all lubricating point (By oil)
  • After completion of maintenance record as per SOP EN/002

REVIEW / CHANGE HISTORY

  • The procedure must be re-prepared, checked and duly approved whenever any change in the system/   method/ process, or in any circumstance, indicates the need for the same.
  • The SOP must be reviewed every 3 (three) years from the date of issue, in the light of current practice, to determine whether any change or revision is necessary.
  • All copies of the SOP which will be superseded by any revision must be withdrawn from active use.
  • After recalling all the copies of the superseded SOPs, redistribute the reviewed one by keeping records in Log books.
  • Preserve a copy of the superseded SOP in document archive and destroy rest of the copies keeping records. The SOP is to be archived for 2 years from the date of expiry.

Check Point

Item Description Check points
Main power supply 01. Inspection for voltage fluctuation
02. Proper earthing condition of machine
Pneumatic connection 01. Inspection the supply pressure must be 3-4 bar. 
02. Check the any leakage of compressed air
Stirrer assembly 01. Check all bolts & nuts
02. Check the alignment of stirrer
T/C connection with clamp & ‘O’ rings 01. Check the physical condition of T/C clamp
02. Check the physical condition of ‘O’ rings
Motor 01. Checked the bearing & oil seal
Cooling pot 01. Check the leakage
02. Cleaning & water replacement
Mechanical seal 01. Check the leakage 
02. Check the over heat
Spray ball 01. Visual inspection for proper working
02. Cleaning
Pressure gauge for cooling pot 01. Check the correct indication
02. Cleaning & water replacement
Lubrication 01. Greased all greasing point                (By grease)
02. Lubricated all lubricating point          (By oil)

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