DLM/KS
Hydrolysis Inline Mixer

Efficient hydrolyzing of sewage sludge

 

 

INDAG Hydrolysis Inline Mixer DLM/KS is used for efficient hydrolysis of dewatered sewage sludge. This target is reached by full condensation of pressure steam inside of dynamical mixer. Without intensive mixing of pressure steam into sewage sludge a lot of heat quantity is lost unused. Volume of downsteam reactor can be reduced. Hydrolyzed sewage sludge will be effectively dewatered in a second dewatering stage. Dry sub-stance (DS) content of dewatered sludge is increased. Transport costs of dewatered sewage sludge – i.e. to burn – is reduced.

 

Advantages of DLM/KS

  • No pressure loss
  • No blockage
  • Entwining (clog) free
  • Very homogeneous mixing result
  • Mixing energy can be changed variable and adapted to product or capacity changes
  • Higher DS-values of dewatered sewage sludge
  • Considerable reduction of energy cost (pressure steam)

Technology of DLM/KS

INDAG mixer type DLM/KS is equipped with flexible mixing elements on rotor. These mixing elements mix intensively and homogeneously pressure steam into sewage sludge. Rotor is supported by own bearing block. Bearing block is designed with strengthened bearings. Mixer DLM/KS is equipped with double acting mechanical seal. Mixer is designed for a maximal pressure of 18 bar and a maximal temperature of 207°C.

Positioning
horizontal or vertical position of mixer is possible

Pressure level
18 bar

Temperature
207°C

Materials
1.4301 (AISI 304), 1.4404 (AISI 316L)

Seals
Double acting mechanical seal

Connections
Flange DIN 2633, ANSI ‚ #300

Rotational speed
600 rpm to 1,700 rpm

Capacities
100 kg/h to 25,000 kg/h

Mixer sizes and capacities of DLM/KS

Type Unit DLM/KS-1 DLM/KS-2 DLM/KS-3 DLM/KS-4 DLM/KS-5 DLM/KS-6
total capacity kg/h 100-500 250-2.000 500-4.000 2.000-8.000 4.000-15.000 6.000-25.000
connections DN 80 100 150 200 250 300
connections inch 4” 4” 6” 8” 10” 12”
power kW 4 7.5 11 18.5 22 30
rotational speed at 50 Hz 1/min 1.450 1.450 950 950 750 600
rotational speed at 60 Hz 1/min 1.700 1.700 1.150 1.150 900  
pressure bar 18 18 18 18 18 18
pressure psi 260 260 260 260 260 260
pressure vessel   no no no (yes) (yes) (yes)
temperature °C 207 207 207 207 207 207
temperature °F 404 404 404 404 404 404
Subject to technical modifications.

Dimension drawing of DLM/KS

Type Unit L H1 A H2
DLM/KS-1 mm 1.470 152 295 149
DLM/KS-2 mm 1.610 312 335 198
DLM/KS-3 mm 1.885 385 405 225
DLM/KS-4 mm 2.195 455 485 265
DLM/KS-5 mm 2.490 530 575 320
DLM/KS-6 mm 2.798 610 660 385

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