ChemSourceTM
Specialty Chemical Refill Systems
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iCon Dynamics ChemSourceTM Delivery Systems are high-purity chemical delivery systems designed especially for use with our patented Self-Metering Reservoir (SMR) systems. iCon Offers the Following UHP Liquid Refill Systems: ChemSourceTM 150 - Single Vessel - Up to 38 Liters ChemSourceTM 250 - Two Vessels - Up to 38 Liters ChemSourceTM 350 - Three Vessels - Up to 38 Liters ChemSourceTM 1100 - Single Vessel - Up to 210 Liters ChemSourceTM 2100 - Two Vessels - Up to 210 Liters
The purpose and benefit of the auto-switch configuration is to provide continuous, uninterrupted supply of chemical to a Point-of-Use (POU) or multiple POUs. The ChemSourceTM features the capacity to support several POUs. Each vessel is positioned on a scale, which measures its net weight during operation. A minimum weight can be programmed into the controller, to signal an automatic switchover to a standby vessel. Once the switchover has occurred, an operator can perform a vessel change-out procedure to replace the empty vessel with a full one. The auto-switch system is controlled from a single controller, which will be mounted to the cabinet. ChemSourceTM operates by using “push gas” to pressurize the source vessel and push chemical to the POU when requested by the POU. Each vessel sits on a scale that measures the vessel’s net weight, and that weight is displayed on the Main Screen of the system’s control panel. On “A” models, a minimum weight is programmed into the controller to signal when to automatically switchover to the standby vessel. When the switchover has occurred, an operator can perform a menu-driven vessel change-out procedure to replace the empty vessel with a full one, without interrupting flow from the active vessel.
ChemSourceTM
utilizes two
5-valve automated delivery panels, and is designed for continuous
pressurized supply of the source chemical to the point of use.
The push gas, purge gas, vent and evacuation plumbing circuits
are common to both delivery panels.
The system provides fully automated functions for on-line and
off-line operations to assure uninterrupted supply of chemical.
The system also features automated routines for vessel change-out
to ensure that the panel has been fully purged and evacuated prior to
vessel change-out. The system utilizes load cells to measure the weight of the supply vessels and their contents. Alarm functions are provided to signal low level warnings and alarms. When a low liquid level is reached, the system will automatically switch over to the stand-by vessel for continued operation. If the stand-by vessel is also empty, the system will signal an alarm, and go into offline status. The system also provides high liquid level alarms, but these are used when chemical in the distribution lines are flush back into the It is highly recommended that an empty vessel be used at the start of a reclaim procedure. Touch Screen Display and Interface The ChemSourceTM touch screen Graphical User Interface (GUI) provides user-friendly interface to put set up, operate and maintain the system. The main screen displays full system status, including chemical availability for each vessel, supply pressure, and indication of operating state. From the main status screen the operator can easily navigate to other screens to view:
A-Side/B-Side Status
Display Once the operator selects A-Side or B-Side Schematic view, a graphical schematic of the vessel and delivery panel are displayed. The schematic will indicate the active state of the valves, as well as the vessel weight and delivery pressure. The graphic image of the vessel will illustrate the amount of chemical remaining. The operator can refer to this screen to monitor status during operations such as online supply, offline, vessel stand-by, vessel change-out, or advanced maintenance procedures.
Maintenance Screens Level
1 Maintenance The
Maintenance Screen provides two levels of password-protected control
interface to ChemSourceTM. Level
1 enables the operator to perform vessel change-out routines. From the Maintenance 1 screen, ChemSourceTM
provides step-by-step
instructions to perform safe and proper vessel change-out.
For example, once the operator initiated the change-out
procedure, the controller automatically flushes liquid from the delivery
panel back into the source vessel.
The display then instructs the operator to open the cabinet door
and close manual valves located on the vessel, close the cabinet door,
then press the "Acknowledge" button on the display to continue
to the next step of the vessel change-out procedure.
This multi-step, interactive procedure assures operator safety
and prevention of corrosion or contamination in the delivery panel. The Level
display also provides general purge and evacuation maintenance
functions, but limited to the conditioning of the delivery panel. Level
2 Maintenance Level 2 maintenance
requires higher-level authorization.
This is where the ChemSourceTM system is configured for operation,
and where advanced maintenance procedures can be performed.
In the set-up menu the authorized operator can enter setpoints
for normal operation and alarms. The operator can select single- vessel or auto-switch
operating modes, and "enable"
local versus POU control of the main ChemSourceTM supply valve.
The default controller set-up provides for a POU control signal
to open the ChemSourceTM supply valve. This valve's position is displayed
on the ChemSourceTM Main Screen. A key
feature of Level 2 maintenance is "Chemical Reclaim," which
enables the operator to configure the delivery panel to receive/reclaim
chemical from the point of use. In
order to do this, the point of use must be capable of
"pushing" the chemical back into the source reclaim vessel.
Like a vessel change-out, the reclaim function is a multi-step
process that requires coordinated activity between the ChemSourceTM
and
the point of use. iCon's
SMR vapor delivery system and "L"
VMB can be configured to "push" the chemical back to the ChemSourceTM. ChemSource
Plumbing ChemSourceTM
features fully automated
5-valve panels. The system also includes one (1) automated facilities panel
which includes push gas supply with pressure relief valve, purge gas
supply, vacuum generator circuit, and pressure transducer for
monitoring pump/pourge routines. The
panel also includes a purge gas flow switch, which is used to ensure
positive purge gas flow during vessel changes. The
following functions are available with this plumbing system: Normal
Operation
Normal
Maintenance
Advanced
Maintenance
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