Page 270 - Wastewater Solids Incineration Systems

232 Wastewater Solids Incineration Systems

2.10.1 Data Collection
To maintain a stable combustion process, the operator must collect and keep data on
items such as the following:

• Percentages of feed cake solids and volatile solids.
• Feed cake rate.
• Temperatures throughout the incinerator.
• Center shaft speed.

• Percent oxygen.
• Draft set points.
• Auxiliary fuel use.
• Pressure drops.

Table 10.2 contains a typical spreadsheet that can be used for collecting data from
an MHF. In addition to standard condition data, operators should record any inciner-
ator malfunction, including emergency bypass stack damper opening, its cause, and
any corrective action taken.

2.10.2 Other Responsibilities
In addition to data collection, operators have other responsibilities to ensure smooth
operation of an MHF. Below is a list of some of these periodic responsibilities.
Routinely,

• Monitor all indicators on the control board, including temperature, pressure,
flow, and oxygen levels.
• Respond to alarm conditions by making necessary adjustments.
• Make entries in logbook when important process changes are made, when
alarms occur, or when shutdowns occur.

Every other hour, record process readings on the log sheet.
Every shift,

• At the beginning of each shift, review highlights of the previous shift,
including any instructions from the supervisor, with the outgoing operator.
• Review the logbook for any instructions from the supervisor.