Products

Home / Products / Titanium for Seawater Desalination

Titanium Tube Evaporators Case In Multistage Flash (MSF)

Name: Titanium Tube Evaporators
Brand: Titanium
SKU: 174782780

TUBE: GRADE 2 TITANIUM ASTM 338
Tube size (mm): 32.0(O.D) x 30.73(I.D)x 0.635(thick) x 13,720(L)
Application: seawater desalination

Send Inquiry

Product Introduction

Titanium tube evaporators are highly efficient heat transfer devices designed for the evaporation and concentration of fluids in demanding industrial environments.

They utilize bundles of titanium tubes through which heated media circulate, allowing efficient heat transfer to process fluids. Due to titanium's exceptional corrosion resistance and thermal performance, these evaporators are widely used in:

Seawater desalination
Chemical processing
Food & beverage concentration
HVAC systems
Marine engineering

One of the most important applications is in Multi-Stage Flash (MSF) desalination systems.

Advantages of Titanium Tube Evaporators

Excellent Corrosion Resistance

Titanium provides outstanding resistance against:

Seawater
Chlorides
Brine
Corrosive chemicals

This makes titanium ideal for desalination and marine environments.

High Heat Transfer Efficiency

Titanium tubes provide:

Excellent thermal conductivity
Stable heat exchange performance
Reduced scaling tendency

Long Service Life

Titanium maintains excellent structural stability under:

High temperature
High pressure
Corrosive operating conditions

Low Maintenance

Reduced corrosion and fouling significantly lower maintenance costs and downtime.

MSF (Multi-Stage Flash) Desalination Application

Working Principle

In the MSF process:

Seawater is heated and pressurized.
Heated brine enters multiple flash chambers with progressively lower pressure.
Rapid flashing produces steam.
Steam condenses on titanium tube bundles.
Fresh water is collected while salts remain in the brine.

Titanium tubes are critical because they withstand:

Hot seawater
High chloride concentration
Continuous thermal cycling

Technical Specification - Brine Heater

Type

Cylindrical shell and straight tube type
Single-pass design

Operating Media

Side	Fluid
Shell Side	Heating steam
Tube Side	Recycle brine

Design Conditions

Parameter	Shell Side	Tube Side
Design Temperature	100°C	100°C
Design Pressure	3.45 Bar.G	10 Bar.G

Performance Data

Item	Value
Overall Heat Transfer Coefficient	2,139 W/m²·K
Heat Transfer Area	3,013.31 m²
Number of Tubes	2,222 pcs
Tube Pitch	40 mm triangular

Tube Specification

Item	Specification
Tube Material	Titanium ASTM B338
Tube Size	32.0 mm OD × 30.73 mm ID × 0.635 mm WT
Tube Length	13,720 mm

Technical Specification - MSF Evaporator

Evaporator Type

Cross-tube multi-stage flash evaporator

Number of Stages

Section	Quantity
Heat Recovery	19
Heat Rejection	3
Total	22

Heat Transfer Area

Section	Area
Heat Recovery	65,930 m²
Heat Rejection	8,738.4 m²

Tube Quantities

Section	Quantity
Heat Recovery	44,517 pcs
Heat Rejection	6,294 pcs

Titanium Tube Specification

Heat Recovery Section

32.0 mm OD × 30.37 mm ID × 0.635 mm WT

Heat Rejection Section

30.0 mm OD × 28.73 mm ID × 0.635 mm WT

Construction Materials

Brine Heater

Component	Material
Shell	Carbon Steel JIS G3106 SM41A
Water Box	Aluminum Bronze JIS H3100 C6161P
Tubes	Titanium ASTM B338
Tube Plate	Aluminum Bronze
Tube Support	SUS316L
Impingement Plate	SUS316L