Model

DF-BF

Working volume

20l-10000L

Filling volume

65-75%

Material

Wetted parts are SS316L, and others are SS304. Vertical type with sight glass.

Surface finish

Internal surface is 0.28-0.6μm by mechanical polishing, (passivation or electro-polish are optional) outside surface is 0.4-0.8μm by satin finish.

Pressure

Working pressure inside vessel: 0.2mpa Design pressure inside vessel: 0.25mpa Working pressure inside jacket: 0.3mpa Design pressure inside jacket: 0.35mpa Pressure can be also designed according to client’s detail requirement.

Agitator

1.Fermentor use SEW motor reducer 2.top mechanical agitator with two layer six blade impeller, one layer defamer and four baffles. 3.mechanical seal (single or double mechanical seal) 4.speed range: 50-400rpm (it depends on the size of the vessel)

Configuration of vessel

1. Using alcohol flame inoculation 2.sterile sampling vale and bottom valve 3.PH, DO, temp. sensor on lower side, side glass, top with foam and level probe, and 12v sight glass with lamp etc.

Construction

Floor-type One fermentor vessel with one control system (Siemens PLC and HMI)

Operating panel

Chinese and English version

Main components and controls of system

PH

1. On-line check and measure, and digitization fully automatic control; 2.PH, acid and base gang control. Peristaltic pump automatically adjust to feed acid and base; 3.Control range 2-12pH, measure precision±0.01 pH, control precision±0.02 pH; 4.It has auto alarm function. 5.pH sensor and signal transmission line, HAMILTON

DO

1. On-line check and measure, cascade with rpm; digital display. 2.Range 0-100% or 0-200%, precision ±1%; 3.It has auto alarm function; 4.DO sensor and signal transmission line, HAMILTON

Feed control

1. Automatically display of feeding,temp.stir etc

Temp. control

1.PID fully digitization signal processing, digitization control settings 2.Circulating water automatically control temperature 3.Measure range 0-150°C, control range T+6-60°C,control precision±0.2°C 4.Pt 100Ωtemp. Sensor 5.system with electrical heater to control the temp inside vessel

6.water pump circulation, GRUNDFOS 7.solenoid valve to control

Rotate speed

frequency converter to adjust the speed.

Pressure

1 Manually adjusting with pressure gauge and manual valve (standard system) 2. Automatically adjusting with pressure transmitter and PID valve and pneumatic valves (optional)

Air flow

1.Manually adjusting with rotor meter and manual valve (standard system) 2.Automatically adjusting with mass-flow meter and pneumatic valves (optional) 3.Air in filter , tail gas filter , with SARTORIUS cartridge, precision 0.2μm

Sterilization

1.it can be SIP by connecting with steam 2.Manually control with manual valve (standard one) 3.Automatic control with pneumatic valves (optional)

Control

Siemens PLC, and MCGSE 7"/10" LCD touch screen(HMI) and Daysly program

PC

1.PC with Kingview software for recording function (optional) 2.PC with Siemens remote control and Kingview recording function (optional) 3.printer (optional)