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All Listings > Chemicals, Minerals, Fertilizers and Plastics > Oil and Fluids Recycling > Containerized Biodiesel Processor System / Small-Scale Biodiesel Production Plant (1 Unit) in BC, Canada

Containerized Biodiesel Processor System / Small-Scale Biodiesel Production Plant (1 Unit) in BC, Canada

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Quantity: 1 Unit
Model: Model
Product Location: Canada

Seller Description

This Containerized Biodiesel Processor System is no longer needed for the company's own operation and is being sold as an asset liquidation for its owner.

Functional Description:

Scope:

This covers the operation of the automatic and manual controls. The control system consists of a panel mounted 7” Human Machine Interface (HMI) providing status display and touchscreen operator entry for the control system. The programmable logic controller (PLC) executes the control system logic and provides signals via input/output points to the field devices.

1. Reactor Vessel V1

Operation – Sequence Filling/recycling & settling of Vessel V1;

The following control system prechecks are made.

  • Set temperature set point for tank temperature via the HMI in degrees F.
  • Set Methanol duration timer via the HMI in seconds.
  • Set Sulphuric Acid duration timer via the HMI in seconds.
  • Set recycle time via the HMI in minutes.
  • Set settling time via HMI in minutes.
  • Filling vessel V1 is then initiated from the HMI. Before pump filling is allowed it is checked to make sure draining is not taking place and vessel level is below LSB (low level).
  • Upon initiating filling, valves ABV1, 3 & 4 are opened.
  • Once the above valves are confirmed open and valve ABV?2, 5, 6, 7 are confirmed closed (see note 1) then Pump P04 is started. Vegetable oil is then transferred. Flow is monitored during pump running. The heater H1 is also allowed to energize, based on set point temperature, once the pump is confirmed running with flow by monitoring the Heater H1 Flow switch. Pump transfer continues until the LST (high level)
  • Once LST has reached pump P 04 is stopped, then valves ABV 1, 3 & 4 are closed.
  • The filling sequence continues with Methanol being introduced to vessel V1. Valves ABV 9, 12 & 8 are opened. Once the above valves are confirmed open and valves ABV 11, 14 are confirmed closed then Pump P?02 is started. The pump runs for duration entered on the HMI.
  • At a predetermined time after the Methanol starts pumping the Sulphuric acid will be introduced to vessel V1. Valves ABV?10, 13 & 8 are opened. Once the above valves are confirmed open then Pump P 01 is started. The pump runs for the duration entered on the HMI and is back-calculated to stop at the same time pump P 02 is stopped. Once pumps P?01 & P?02 are stopped valves ABV?9, 12, 10, 13 & 8 are closed.
  • The recycling of vessel V1 starts by opening valves ABV2, 3 & 4.
  • Once the above valves are confirmed open and valves ABV?1, 5, 6, 7 are confirmed closed then Pump P04 is started. The recycling of vessel V1 takes place. Flow is monitored during pump running. The heater H1 is also allowed to energize based on setpoint temperature, once the pump is confirmed running with the flow by monitoring the Heater H1 Flow switch. Recycling continues until the recycle duration time is reached pump P04 is stopped. Once pump P04 is stopped valves ABV2, 3 & 4 are closed.
  • The vessel V1 mix will be allowed to settle for the predetermined amount of time before draining. The HMI will display once the settling duration time has been reached.

2. Reactor Vessel V2

Operation – Sequence Filling/recycling & settling of Vessel V2;

The following control system prechecks are made.

  • Set temperature setpoint for tank temperature via the HMI in degrees F.
  • Set Methanol duration timer via the HMI in seconds.
  • Set Sulphuric Acid duration timer via the HMI in seconds.
  • Set recycle time via the HMI in minutes.
  • Set settling time via HMI in minutes.  
  • Filling the vessel V2 is then initiated from the HMI. Before pump filling is allowed it is checked to make sure draining is not taking place and vessel level is below LSB (low level) & takes place during the settling time of vessel V1.
  • Upon initiating filling, valves ABV1, 3 & 5 are opened.
  • Once the above valves are confirmed open and valves ABV 2, 4, 6, 30 are confirmed closed then Pump P 04 is started. Vegetable oil is then transferred. Flow is monitored during pump running. The heater H1 is also allowed to energise, based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H1 Flow switch. Pump transfer continues until the LST (high level)
  • Once LST is reached pump P04 is stopped, then valves ABV1, 3 & 5 are closed.
  • The filling sequence continues with Methanol being introduced to vessel V2. Valves ABV9, 12  14 are opened. Once the above valves are confirmed open and valves ABV8, 11 are confirmed closed then Pump P02 is started. The pump runs for duration entered on the HMI.
  • At a predetermined time after the Methanol starts pumping the Sulphuric acid will be introduced to vessel V2. Valves ABV10, 13 & 14 are opened. Once the above valves are confirmed open then Pump P01 is started. The pump runs for the duration entered on the HMI and is back-calculated to stop at the same time pump P02 is stopped. Once pumps P01 & P?02 are stopped valves ABV9, 12, 10, 13 & 14 are closed.
  • The recycling of vessel V2 starts by opening valves ABV7, 3 & 5.
  • Once the above valves are confirmed open and valves ABV1, 2, 4, 6, 30 are confirmed closed then Pump P04 is started. The recycling of vessel V2 takes place. Flow is monitored during pump running. The heater H1 is also allowed to energise based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H1 Flow switch. Recycling continues until the recycle duration time is reached pump P04 is stopped. Once pump P04 is stopped valves ABV7, 3 & 5 are closed.
  • The vessel V2 mix will be allowed to settle for the predetermined amount of time before draining. The HMI will display once the settling duration time has been reached.

Reactor Vessel V3

Operation – Sequence Filling/recycling & settling of Vessel V3;

The following control system prechecks are made.

  • Set temperature setpoint for tank temperature via the HMI in degrees F.
  • Set Methanol duration timer via the HMI in seconds.
  • Set Sodium Methylate duration timer via the HMI in seconds.
  • Set recycle time via the HMI in minutes.
  • Set settling time via HMI in minutes.
  • Filling vessel V3 from vessel V1 is then initiated from the HMI. Before filling is allowed it is checked to make sure vessel V3 draining is not taking place, V3 level is below LSB (low level), vessel V1 settling is complete & waiting to be drained, vessel V2 is not actively filling or re? cycling.
  • Upon initiating filling, valves ABV6, 16 & 17 are opened.
  • Once the above valves are confirmed open and valves ABV18, 30 are confirmed closed then
  • Pump P05 is started. The vessel V1 Product Mixture is then transferred to vessel V3. Flow is monitored during pump running. The heater H2 is also allowed to energize based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H2 Flow switch. Pump transfer continues until the LSB (low level)
  • Once V1?LSB is reached pump P05 is stopped, then valves ABV6, 16 & 17 are closed.
  • The filling sequence continues with Methanol being introduced to vessel V3. Valves ABV9, 11 & 22 are opened. Once the above valves are confirmed and valves ABV12, 23 are confirmed closed open then Pump P02 is started. The pump runs for duration entered on the HMI.
  • At a predetermined time after the Methanol starts pumping the Sodium Methylate will be introduced to vessel V3. Valves ABV24, 25 & 22 are opened. Once the above valves are confirmed open and valves ABV23 are confirmed closed then Pump P03 is started. The pump runs for the duration entered on the HMI and is back calculated to stop at the same time pump P02 is stopped. Once pumps P?02 & P?03 are stopped valves ABV?9, 11, 24, 25 & 22 are closed.
  • The recycling of vessel V3 starts by opening valves ABV15, 16 & 17.
  • Once the above valves are confirmed open and valves ABV 6, 18, 19, 20, 30 are confirmed closed then Pump P05 is started. The recycling of vessel V3 takes place. Flow is monitored during pump running. The heater H2 is also allowed to energise based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H2 Flow switch. Recycling continues until the recycle duration time is reached pump P05 is stopped. Once pump P05 is stopped valves AB 15, 16 & 17 are closed.
  • The vessel V3 mix will be allowed to settle for the pre?determined amount of time before draining. The HMI will display once the settling duration time has been reached.

3. Reactor Vessel V4

Operation – Sequence Filling/re?cycling & settling of Vessel V4;

The following control system pre?checks are made.

  • Set temperature setpoint for tank temperature via the HMI in degrees F.
  • Set Methanol duration timer via the HMI in seconds.
  • Set Sodium Methylate duration timer via the HMI in seconds.
  • Set recycle time via the HMI in minutes.
  • Set settling time via HMI in minutes.
  • Filling the vessel V4 from vessel V2 is then initiated from the HMI. Before filling is allowed it is checked to make sure vessel V4 draining is not taking place, V4 level is below LSB (low level), vessel V2 settling is complete & waiting to be drained, vessel V1 is not actively filling or recycling.
  • Upon initiating filling, valves ABV16, 18 & 30 are opened.
  • Once the above valves are confirmed open and valves ABV6, 7, 15, & 19 are confirmed closed then Pump P05 is started. The vessel V2 Product Mixture is then transferred to vessel V4. Flow is monitored during pump running. The heater H2 is also allowed to energize based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H2 Flow switch. Pump transfer continues until the V2 LSB (low level)
  • Once V2 LSB is reached pump P 05 is stopped, then valves ABV 16, 18 & 32 are closed.
  • The filling sequence continues with Methanol being introduced to vessel V4. Valves ABV9, 11 & 23 are opened. Once the above valves are confirmed open and valves ABV12 & 22 are confirmed closed then Pump P 02 is started. The pump runs for duration entered on the HMI.
  • At a pre?determined time after the Methanol starts pumping the Sodium Methylate will be introduced to vessel V4. Valves ABV?24, 25 & 23 are opened. Once the above valves are confirmed open and valves ABV? 22 is confirmed closed then Pump P?03 is started. The pump runs for the duration entered on the HMI and is back calculated to stop at the same time pump P?02 is stopped. Once pumps P?02 & P?03 are stopped valves ABV?9, 11, 23, 24 & 25 are closed.
  • The re?cycling of vessel V3 starts by opening valves ABV?16, 18 & 19.
  • Once the above valves are confirmed open and valves ABV?6, 15, 21, & 30 are confirmed closed
  • then Pump P?05 is started. The re?cycling of vessel V3 takes place. Flow is monitored during pump running. The heater H2 is also allowed to energise based on set?point temperature, once the pump is confirmed running with flow by monitoring the Heater H2 Flow switch. Re?cycling continues until the re?cycle duration time is reached pump P?05 is stopped. Once pump P?05 is stopped valves ABV?16, 18 & 19 are closed.
  • The vessel V4 mix will be allowed to settle for the pre?determined amount of time before draining. The HMI will display once the settling duration time has been reached.

4. Separator 1 Vessel V5 & Holding Tank Vessel V6

Operation – Sequence Filling of Vessel s V5 & V6;

  • Filling the vessels V5 & V6 from vessels V3 & V4 is then initiated from the HMI. Before starting filling is allowed it is checked to make sure Holding Tank vessel V6 draining is not taking place& V6 level is below LSB’s (low level).
  • Glycerin will be drain approximately every 60 minutes.
  • Upon initiating filling, valve ABV20 is opened to fill from vessel V3 first.
  • Once the above valve is confirmed open and valves ABV15 & 17 are confirmed closed then
  • Pump P06 is started. The pump runs and the transfer continues until the vessel V6 LST is reached OR the vessel V3 level is below the LSB level switch. When vessel V3 has been fully emptied then valve ABV21 opens and valves ABV18, 19 & 20 closes. The pump P06 transfer continues with vessel V5/V6 now been filled from vessel V4.
  • Every time the V6 LST level is reached pump P06 will stop and either valve ABV20 or ABV21 will close per above precheck conditions are met depending on filling from V3 or V4.

5. Methanol Recovery Tank V7

Operation – Sequence Filling of Tank V7

  • Filling the tank V7 from the holding vessel V6 is initiated from the HMI. Before filling is allowed to start it is checked to make sure V7 draining is not taking place and the LST has not been reached, V6 level is at the LST (High Level) and not in the filling stage.
  • During filling V7, the vacuum tank V10 is neutralized by opening valve ABV29. Also the vacuum tank V10 drains at the same time tank V7 is been filled if the load cell measures a determined high (equivalent to approx. 30 gal Methanol) weight setpoint and gives a signal to the PLC that draining is required or it V7 tank can be manually drained from the HMI. In this case, valve ABV? 28 opens and pump P10 transfers the recovered Methanol back to the tote.
  • Once the V10 neutralizing valve ABV29 and valves ABV26, 27 are opened and confirmed opened then pumps P10 & P08 are started.
  • Pump P10 keeps pumping until the load cell low weight setpoint signal is given to the PLC or if manually emptied from the HMI is based on a timer to stop.
  • Flow is monitored during pump P08 running. The heater H3 is also allowed to energize, based on setpoint temperature, once the pump is confirmed running with flow by monitoring the Heater H3 Flow switch. Pump transfer continues until the V7?LST (high level) is reached or the vessel V6 level is below the V6LSB (low level).
  • After V7LSB is reached pumps P08 is stopped then valves ABV 29, 26 & 27 are closed.
  • The Recycling sequence of vessel V7 starts pump P07 is started providing a vacuum to tank V7.
  • The flow switch will be monitoring the chiller is working. Once the vacuum is proven by VS1 vacuum switch then valve 2Way1 is opened to the recycle position, valve ABV27 is opened then pump P08 is started.
  • During the recycling of Tank V7 flow is monitored during pump running. The heater H3 is also allowed to energise based on setpoint temperature, once the pump is confirmed running with flow. Pump recycling continues until the recycle duration time is reached. Once pump P08 is stopped valves ABV27 & 2way1 are closed.

6. Separator 2 Vessel V8

Operation – Sequence Filling& Draining of Vessel V8;

  • Filling the vessel V8 from Tank V7 is then initiated from the HMI. Before starting filling is allowed it is checked to make sure Methanol Recovery Tank V7 has finished its recycle and is waiting to be drained.
  • It is assumed at this time that it will be required to fill the Separator vessel V8 approximately 3 times for the Biodiesel to overflow the vessel V8. This assumes the Methanol Recovery Tank V8 will need to be refilled and recycled 3x to provide enough BioDiesel to overflow through the V8 Seperator 2.
  • Filling Vessel V8 requires valve 2WAY?1 valve to be opened to the vessel V8 direction. Once the valve position is confirmed open to the proper direction pump P09 starts.
  • Glycerin is drained approx. every 60 minutes and will take place only when V7 is in the recycling process.

Additional notes:

  • The vessel and tank filling for V1, V2, V3 & V4 will be initiated by the operator each time from the HMI.
  • Tanks levels will be indicated on the HMI.
  • Pump running and valves open will be indicated on the HMI.
  • Temperature setpoints will be preset on the HMI as well as tank & heater process
  • temperatures will be displayed on the HMI.
  • Tanks recycle times will be preset on the HMI.
  • Methanol, Sulphuric & Sodium Methylate additive times will be preset by the operator on the HMI.
  • A number of alarms will be indicated on the HMI.

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