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Thin Film Evaporator

Introduction:

Since their introduction more than 50 years ago by Luwa and Samesreuther, today Buss-SMS-Canzler, Thin Film Evaporators, which are also frequently called wiped film evaporators or agitated thin film evaporators have become a generally recognised and accepted solution for difficult and demanding process problems in the areas of distillation, concentration, degassing, drying and reactions.

Buss-SMS-Canzler offers the widest range of different types of Thin Film Evaporators available worldwide, such as:

  • different types of rotor to suit a wide range of different applications
  • vertical or horizontal construction
  • cylindrical or conical design
  • counter or co-current working principle

Features:

Thin Film Evaporators differ in the following main technical features from other evaporator types:

  • Continuous and trouble-free processing of viscous, fouling and contaminated fluids by high turbulence in the liquid film, which also reduces the required temperature difference accross the heating surface;
  • Gentle product treatment because of the short residence time and the narrow residence time spectrum in the whole equipment;
  • High evaporation performance because of high surface heat flux;
  • High evaporation ratio in a single pass;
  • Minimum losses in case of product change because of the low hold-up.

Operating Window:

Buss-SMS-Canzler Thin Film Evaporators can be used within the following range:

Process conditions Operation window
Feed rate: 20 - 100.000kg/h
Evaporation performence: up to 40.000 kg/h
Heating temperature: up to 380 °C1)
Heating: saturate vapour or
liquid medium
Pressure on process side: -1 bis 30bar(g)
Flow rate with viscosity at
viscoities up to 10Pa·s:
50 - 10.000 kg/hm²2)
Product viscosity at
process temperature:

up to 70.000 mPa·s
Residence time: < 1min
Evaporation ratio
(Concentrate/Feed):
up to 1:503)
Loading range: 20 - 100%

1)evaporators with electrical inductive heating up to 500 °C.
2)Longer residence times are achieved in horizontal evaporators.
3)dependant on evaporator type.

source: SMS Thin Film Evaporator

IBL:

Das IBL hat den Primärspannungsnachweis nach ASME VIII-1 für den Behältermantel des von der Firma Buss-SMS-Canzler GmbH entwickelten Dünnschichtverdampfers durchgeführt.

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Drive head of a thin film evaporator.


Thin Film Evaporator


Bottom part of a thin film evaporator.


Thin film evaporator, cross section.


Bow wave and film formation in thin film evaporators.

Diverter Damper for Gas Turbines Type UP

Diverters for gas turbine systems can be applied in various configurations depending on customer requirements. The most common design is the toggle arm driven diverter for CCPP. The reliability of hundreds of delivered diverters proves the high standard of the NPS design.

Function:

  • Diverts the gas turbine exhaust gas to the HRSG or to bypass stack as required
  • 100 % tight "man-safe" sealing in combination with a guillotine type blanking plate
  • Slower heating up of the HRSG whilst gas turbine runs on full load

Advantages:

  • Open/close, stepwise and fast emergency closing duty
  • Standardised design for many different types of gas turbines
  • High sealing forces due to toggle arm kinematics
  • Low seal air needs
  • Minimal effect on the heat balance


Parameters:

Size: up to 64m²
Temperature: up to 670 °C
Pressure: up to 100 mbar
Materials: carbon steels, stainless steels
Actuation: electric, pneumatic or hydraulic
Insulation: internal(standard), external


Hydraulic power unit (HPU) comprising fully automated control

source: Nem Diverter

IBL:

Für die vorgegebenen zeitlichen Verläufe der Gastemperatur und Druck während der Start-Up und Shutdown-Procederen wurden in der Klappenkonstruktion und in der Antriebswelle der Diverter-Klappe mittels FEM Methode die instationären Spannungen berechnet und Ermüdungsanalysen durchgeführt.

Standorte der von der Firma NEM hergestellten und vom IBL berechneten Diverter:

  • Bartow
  • Qurayyah
  • Richmond County
  • Wayne County

Bilder:

Rechts am Rand

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Klappenkonstruktion Temperaturverteilung


Welle Temperaturverteilung


Klappenkonstruktion Vergleichsspannungsschwingbreite


Welle Vergleichsspannungsschwingbreite

Autoklaven

Ein Autoklav ist ein gasdicht verschließbarer Druckbehälter, der für die thermische Behandlung von Stoffen im Überdruckbereich eingesetzt wird. Autoklaven werden zum Sterilisieren, zum Aushärten von Baustoffen, zum Vulkanisieren von Reifen und Gurtbändern sowie zum Verpressen von Faserverbundwerkstoffen verwendet und kommen somit in der Medizintechnik, Lebensmitteltechnik, Biologie, Glasindustrie, Luftfahrtindustrie, in Steinfabriken und Vulkanisierbetrieben zum Einsatz.


Autoklavauskleidung

IBL:

Bilder:

Rechts am Rand

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Autoklave Temperaturverteilung


Autoklave Temperaturverteilung


Autoklave Hauptspannung in der Ausmauerung


Autoklave Deformations

High pressure line blind valve

High pressure line blind valve
DPV 10 • 990 VW • PD 10 • DN 350-700

Standard features:

  • Die forged body and bonnet
  • Welded seat ring
  • Position indicator
  • Pressure sealing bonnet acc. to VGB-guidelines

Pressure and temperature ratings:

  • Pressure rating up to 136 bar
  • Temperature rating up to 650 °C

Media:

Depending on the material line blind valves are suitable for water, gas, oil and other non aggressive media.

Fields of application:

High temperature steam and water, refining (catalytic reformers and hydrocrackers), petrochemical and chemical industries

High pressure line blind valve
DPV 16-63 990 VW PD 16-63 DN 65-600

Standard features:

  • Valve body made of forged steel with welded seat rings
  • Position indicator
  • Pressure sealing bonnet acc. to VGB-guidelines
Pressure and temperature ratings:
  • Pressure rating up to 680 bar
  • Temperature rating up to 650 °C

Media:

Depending on the material line blind valves are suitable for water, gas, oil and other non aggressive media

Fields of application: High temperature steam and water, refining (catalytic reformers and hydrocrackers), petrochemical and chemical industries

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High pressure line blind valve DPV 10 • 990 VW • PD 10 • DN 350-700


Druckprobenverschluss

Gate valve
Gate valve
700 HJ/JJ (GA – PN 10-40) • PN 10-100 • DN 50-150

Standard features:

  • Spit wedge = Type 700 JJ
  • Flexible wedge = Type 700 HJ
  • Die-forged body and bonnet
  • Full bore, exception DN 65/50 and DN 125/100
  • Outside screw and yoke
  • Non turning, rising stem
  • Yoke sleeve
  • Available with flange and buttweld ends

Option Version GA:

  • Split wedge / Flexible wedge
  • Inside screw
  • Non-rising turning stem

Pressure and temperature ratings

  • Pressure rating up to 100 bar
  • Acc. to PERSTA PD 10 up to 120 bar
  • Temperature rating up to 600 °C

    Media:

    Depending on the material the gate valves are suitable for water, gas, oil and other non aggressive media.

    Fields of application:

    Chemical industries, power plants, ship building and other

  • Gate valve
    700 HJ/JJ (GA) • PN 10-40 • DN 200-250

    Standard features:

    • Split wedge = Type 700 JJ
    • Flexible wedge = Type 700 HJ
    • Die-forged body and bonnet
    • Full bore
    • Outside screw and yoke
    • Non-turning rising stem
    • Yoke sleeve
    • Available with flange and buttweld ends

    Optional standard features GA:

    • Split wedge / Flexible wedge
    • Inside screw
    • Non-rising turning stem
    Pressure and temperature ratings:

    • Pressure rating up to 40 bar
    • Temperature rating up to 450 °C

    Media:

    Depending on the material the gate valves are suitable For water, gas, oil and other non aggressive media.

    Fields of application:

    Chemical industries, power plants, ship building and other

    IBL:

    Für die vorgegebenen zeitlichen Verläufe der Gastemperatur und Druck während der Start-Up und Shutdown-Procederen wurden im Absperrschiebergehäuse mittels FEM Methode die instationären Spannungen berechnet und die Ermüdungsanalyse durchgeführt.

    Bilder:

    Rechts am Rand

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    Absperrschieber 700 HJ/JJ (GA – PN 10-40) • PN 10-100 • DN 50-150


    Absperrschieber 700 HJ/JJ (GA) PN 10-40 DN 200-250


    Absperrschieber Temperaturverteilung


    Absperrschieber Vergleichsspannungsschwingbreite


    Absperrschieber Maximal zulässige Lastwechselzahl


    © Ingenieurbüro Dr.-Ing. Gert Lau