Agrify PRECISION HDU Kurzanleitung

Model HDU – Hydrocarbon Distillation Unit

Operational Manual

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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

Precision® Extraction Solutions

Table of Contents

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

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

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

Model HDU Operational Manual – For Hazardous Environments

Injection Spool

Heat

Exchanger

Filter

Spool

Lower

Bowl

Section 2 – Getting Started

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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

Section 3 – Pressure Testing

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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.

Section 4 – Preparing and Operating the HDU

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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.

Section 5 – Cleaning the HDU

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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.

Section 6 – Periodic Maintenance

Model HDU Operational Manual – For Hazardous Environments

Precision® Extraction Solutions

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

Annually

Periodically

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