Agrify PRECISION HDU Guide de démarrage rapide

Model HDU – Hydrocarbon Distillation Unit
Operational Manual
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23

Congratulations on the purchase of your new Precision®Extraction's
Hydrocarbon Distillation Unit (HDU)!
You are well on your way to a better experience in professional extraction.
Please read and understand this operational manual thoroughly prior to
using your new equipment. Also visit our YouTube channel for video
tutorials on the HDU and other Precision® Extraction Solutions products.
Remember, safety first!
If you need further assistance or for warranty information, please contact
Precision® Extraction Solutions Technical Support directly at (855)
420-0020 ext. 2 or visit our client portal at support.precisionextraction.com.
Model HDU Operational Manual – For Hazardous Environments
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23

Table of Contents
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5
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7
8
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10
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12
12
SAFETY FIRST!
SECTION 1 – PRODUCT OVERVIEW
SECTION 2 – GETTING STARTED
SECTION 3 – PRESSURE TESTING
SECTION 4 – PREPARING FOR OPERATION
SECTION 6 – CLEANING THE HDU
SECTION 8 – PERIODIC MAINTENANCE
APPENDIX A – FACILITY REQUIREMENTS
APPENDIX B – ASSEMBLY REQUIREMENTS
WARRANTY INFORMATION
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
Table of Figures
FIGURE 1 – HDU FRONT VIEW 6

SAFETY FIRST!
SAVE THESE INSTRUCTIONS!
WARNING!
•This equipment is intended for use with Liquefied Petroleum Gases (LP-GAS). Equipment is not equipped with an overfill prevention
device. Overfilling vessels may cause a violent rupture, resulting in severe injury or death. Take care to ensure overfilling does not
occur.
•Flammable gas under pressure – liquified petroleum gas (LP-GAS) can cause a fire or explosion if ignited. Keep all heat and ignition
sources away from the hazardous classified area(s). Make sure all pressure gauges read 0 psig before removing any clamps and verify
the system is open to the atmosphere (in case of faulty gauge).
•Avoid breathing LP-GAS vapors. Breathing in vapors may cause heart arrhythmia, loss of consciousness, or even cause suffocation.
Exposure may irritate eyes, nose, throat, and skin. Please read the manufacturer’s Material Safety Data Sheet for further safety
information on LP-GAS and ethanol.
•Operate equipment ONLY in a facility with an approved, functional alarming solvent detector and ventilation/exhaust system sufficient
to maintain the atmosphere below 25% of the solvent’s lower flammability limit (LFL). Solvent vapors are heavier than air and can
settle in low places. When at steady state (when no heating, cooling, or transferring is occurring), monitor pressures for any significant
pressure drops. At steady state, a pressure-drop of 10 psig or greater may indicate a leak. Use a C1D1-rated or C1D2-rated (as
applicable) handheld combustible gas detector less than 48 in off the ground to identify or confirm the presence of a leak.
•Do not make any unauthorized modifications to the equipment. Do not install replacement parts that have not been approved by
Precision® Extraction. Modifications, unapproved components, or improper assembly may result in noncompliance, property damage,
or serious injury/death.
•Wear appropriate personal protective equipment (PPE) including safety glasses and gloves during use. Avoid contacting solvent or
inhaling solvent vapors. Read the solvent manufacturer’s Safety Data Sheet (SDS) for further safety information. Print and retain the
solvent manufacturer’s SDS on site.
•Hoses may contain solvent under pressure. Contact with cold solvent may cause frostbite or other injuries. Use extreme caution and
wear proper PPE when disconnecting any hose.
•Only allow trained personnel to operate or work on the equipment. This applies to all assembly and servicing work.
•Do NOT use or store equipment or containers where they could be exposed to high temperatures. DO NOT heat equipment or
containers above 52°C (125°F).
•Ensure the system is properly grounded to reduce the risk of static build up.
•The facility must provide adequate ventilation/exhaust as determined by the Engineer of Record to maintain the local atmosphere
below 25% of the Lower Flammability Limit (LFL).
•No air is present in the inert gas push.
•Use only approved solvents.
It is the owners’ and operators’ responsibility to read and understand the following safety information. This equipment is to be installed,
operated, maintained, cleaned, and transported only by trained, qualified personnel. Follow these safety precautions to ensure the safety of
persons and property. Failure to read and heed these instructions places operators, facility, and equipment at risk. Improper use could result
in a serious accident. Print this section and display it where it can readily be seen by equipment operator(s).
DANGER: FIRE AND EXPLOSION HAZARD: MISUSE OF THIS EQUIPMENT CAN RESULT IN PROPERTY DAMAGE, SEVERE INJURY, OR DEATH.
NOTE: USE OF THIS EQUIPMENT CONSTITUTES USER AGREEMENT TO UTILIZE EQUIPMENT FOR LAWFUL PURPOSES ONLY. USER ASSUMES
SOLE RESPONSIBILITY FOR SAFE USE, TRANSPORT, AND STORAGE OF EQUIPMENT. USER ASSUMES ALL RISK ASSOCIATED WITH
EQUIPMENT USE.
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
4
Model HDU Operational Manual – For Hazardous Environments

Section 1 – Product Overview
Figure 1: HDU Front View
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
Injection Spool
Heat
Exchanger
Filter
Spool
Lower
Bowl
5

Section 2 – Getting Started
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
Review the following system installation and operation requirements information before preparing for operation. Failure to do so may result in
improper/unsafe installation and/or dangerous operating conditions.
2.1. System Placement
2.1.1. The HDU shall be placed on a level surface in a properly ventilated area that has been approved by your AHJ (Authority
Having Jurisdiction).
2.2. Mounting of Components
NOTE: Process in/out hoses should be supplied by Precision. The hose and fitting set will be tailored to the end user’s extraction system.
Precision Extraction is not responsible for poor performance of the system due to improper hosing.
2.2.1. Securely mount all vessels to the mounting rack.
2.2.2. Ensure all lock pins are in place for tanks.
2.2.3. Level all components.
2.2.4. Lock all castors on the mounting rack.
2.3. TCU Options
NOTE: Any TCU that is used in conjunction with the HDU must be NRTL listed and cannot use flammable chilling/heating media.
2.3.1. For hazardous environments (Class I, Division 1 and Class I, Division 2 locations) both a liquid heat source and a cooling
source need to be plumbed into the hazardous area.
2.3.2. Confirm with Precision Extraction all TCU options that are present on site at the client facility, so a suitable option is
used. A suitable TCU may also be sourced through Precision Extraction.
2.4. Solvent Requirements
2.4.1. Use only approved solvents. Approved solvents are displayed in the following table. Never mix solvents other than what
is stated below. Thoroughly clean the system before changing solvents.
Approved Solvent(s)
Butane
Compressed N2 Gas
Isobutane
Propane
Propane/Butane Blend
Operating Process
Flow
6

Section 3 – Pressure Testing
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
The HDU comes factory tested and inspected for sustained pressure holding capabilities. However, shipping and moving of the unit may cause
pressure leaks and/or equipment exposure to drastic changes in temperature. It is the operator’s responsibility to check for pressure leaks prior
to operation.
3.1. Checking System for Leaks
3.1.1. Attach all the components and hose assemblies.
3.1.2. With all valves on the system open, bring the system pressure to 150 psig using a nitrogen cylinder.
3.1.3. Note the actual readings of the pressure gauge by taking a photo for later comparison.
3.1.4. Allow the system to sit under 150 psig for one hour if this is a primary test (first pressure test).
3.1.5. Take note of any difference in pressure. This indicates a leak, and that the system is unsafe to operate.
3.2. Identifying Leaks
3.2.1. Fill a spray bottle with soapy water. Spray the area of the unit where a leak is suspected. The presence of bubbles
confirms a leak.
3.2.2. The most common areas for leaks are the tri-clamp gasket sealing joints.
3.2.2.1. Before adjusting any pieces on the unit, vent the system down to 0 psig.
7

Section 4 – Preparing and Operating the HDU
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
Prior to use, the operator must read and be familiar with the specific operation manual of the extraction equipment. The following procedure
outlines the steps to prepare operate the HDU. Nitrogen gas may be required to transfer solvent between vessels. This section is meant to be
the baseline information for the operator to develop their internal SOP.
4.1. Turn on all axillary ancillary equipment.
4.2. Fill filter spool with distillation matrix.
4.3. Connect DOT source tank to the HDU inlet and connect the HDU outlet to the extraction system.
4.4. Once the TCU has reached the desired temperature, open the outlet valve on the DOT cylinder to charge the hose with solvent.
4.5. Slowly open the needle valve, allowing the solvent to enter the HDU and the pressure to rise to 20 psig.
4.6. Close needle valve.
4.7. Begin solvent recovery.
4.8. Open valve into expansion column.
4.9. Open recovery valve into the solvent tank
4.10. Slowly open needle valve, allowing solvent to flow into the heat exchanger.
4.11. Monitor flow in top sight glass/bottom sight glass.
4.12. When bottom sight glass looks like rain, inlet valve is open too much.
4.13. Bottom sight glass should look misty with little drops of liquid falling.
4.14. Inlet valve can be opened as much as possible, in relation to what you see in the lower sight glass.
4.15. As the LP-Gas descends into the heat exchanger it will undergo a phase change from liquid to gas. Additionally, contaminants that
were present in the feedstock will be deposited into the bottom bowl at the base of the heat exchanger.
4.16. As the gas passes through the filter column additional contaminants will be collected on the medium inside the filter column.
4.17. End the distillation once the desired amount of the solvent has been cleaned.
4.17.1. If using a scale for the DOT tank, DOT valve can be shut when desired weight has been transferred out of the tank.
4.17.2 If not using scale, use the sight glass on the solvent tank to indicate when to close the DOT valve.
8

Section 5 – Cleaning the HDU
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
The system can be internally cleaned without any disassembly by following the standard operation procedure for this unit. Clean solvent being
transferred through the system will clean the surfaces and deposit any contaminants into the bottom bowl. In the event of each component
needing to be cleaned individually, adhere to the following protocols. Before disassembling any components on the HDU, ensure the system is
completely vented of pressure/solvent. Additionally, ensure all TCUs are powered off before opening tanks to atmosphere in accordance with
internal procedures.
Note: When operating in a CGMP environment the operator must perform a cleaning validation in accordance with their internal
procedures.
5.1. Cleaning
5.1.1. Verify all solvent has been drained and open the vent valve to ensure the system is at atmospheric pressure.
5.1.2. Detach all hose connections.
5.1.3. Remove the clamps and spools one at a time.
5.1.4. Discard and replace the distillation medium from the filter column.
5.1.4. Remove the bottom bowl and, using a stainless-steel food grade cleaning agent, wipe and clean all surfaces of the bowl.
5.1.4. Using a stainless-steel food grade cleaning agent, wipe and clean all surfaces of the HDU spools.
5.1.4.1. Verify each tube of the heat exchanger is clean and clean as necessary.
Note: Additional cleaning solutions may be used after proper evaluation.
5.1.5. Using a food grade cleaning agent safe for use with the gasket material, wipe and clean the gaskets.
5.1.6. Allow all components to completely dry.
Note: This process can be accelerated by reassembling and pulling vacuum.
5.1.7. Install the clamps, spools, and bowl.
5.1.8. Reattach all hose connections.
9

Section 6 – Periodic Maintenance
Model HDU Operational Manual – For Hazardous Environments
Precision® Extraction Solutions
©2022 PX2 Holdings, LLC. All rights reserved. Rev. 04/24/23
Model HDU Operational Manual – For Hazardous Environments
Periodic maintenance is essential to the safe and proper operation of your equipment. Contact Precision® Extraction Solutions directly for
replacement components. Obtaining replacement components from a third party voids your warranty and invalidates the engineering peer
review of the equipment.
Use ONLY approved, food-safe cleaners, solvents, and sanitizers. Conduct the cleaning activities in an area with adequate ventilation or under
an explosion-proof fume hood.
The wear on the individual machine components varies greatly depending on the amount of usage in a timeframe. Always replace worn
components immediately. It is EXTREMELY IMPORTANT to inspect all nuts, bolts, and gaskets before every use of the system. If there is any
question as to the integrity of any given component, replace it immediately.
Actions Frequency
Inspect all seals, nuts, bolts, and gaskets. If damaged, replace.
Inspect sanitary clamp bolts/nuts.
Inspect gaskets for visible signs of wear. Retighten if necessary.
Perform a complete system cleaning.
Ensure pressure relief valves perform as intended. Replace as needed.
Inspect the ball valves. Replace as needed.
Inspect the quick connects. Replace if damaged.
Inspect the sight glass for signs of damage or wear. Replace as needed.
Clean the surface of the sight glass using a standard commercial cleaner and a soft cloth.
Inspect the high-pressure clamp. Ensure the two segments have a gap between them and the inside
diameter is not touching the outside diameter if the hub.
Check the clamp locking nuts are tight to prevent the nuts from loosening.
Visually check the pressure gauge display and function for damage at regular intervals in line with the
operating conditions and ambient conditions.
Clean the pressure gauge with a non-aggressive cleaning agent. Close the ventilation valve in
accordance with the protection category of the device.
Before every use
Every use or at first visible sign
of wear
Every use or at first visible sign
of wear
Monthly
Monthly
Annually
Annually
Periodically
Periodically
Periodically
Periodically
Periodically
Periodically
10
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