If you have wasted, unutilized heat available, would like to reduce
facility/heat exchanger size, want to achieve energy savings by increasing heatrecovery, reduce maintenance, or reduce workload:

We will diagnose your issue and determine if a XP Plate will
fit your needs.
Please use the following form and contact us.

Xenesys Inc., the worldwide leader in theOTEC power generation field, presents a totally new heatexchanger structure combining the robustness of tube-type
with high-performance and compactness of plate-typeContact Info:
Hot Side

All-welded Plate Heat Exchanger

Cold Side

Fluid Name
Total Heat Exchanged

kW

Fluid Flow Ratet/hOperating Pressure

M PaG

Inlet

Outlet

Inlet

OutletOperating Temperature℃

Inlet

Outlet

Inlet

Outlet

Gas‐to‐Liquid Ratio%

Inlet

Outlet

Inlet

OutletAllowed Pressure Dropk Pa

Max / Test Pressure

M PaG

Design Temperature℃
In

OutIn

Out

Nozzle Size

XPPlateHigh Temperature Thermal Energy Case Study (Example Calculation)g Water）（e.g.
（eFlow Rate

Temperature
Difference
Specific Heat
Amount ofHeat
Cost of Fuel

36600
10102030
104.2m3/h
L/min
L/sec
kg/s
deg‐Cdeg‐Cd C
deg‐CkJ/kgK

420kW

7g Air）（e.g.
（eFlow Rate

Temperature
Difference
Specific Heat
Amount ofHeat
Cost of FuelJPY/kWh

48,000800
619106070
101.01037（e.g. Heavy oil）

Operating
Hours

7250
1,750

hr/dayday/yrhr/yrFuel Savings

5,145,000

JPY/yrNm3/h
Nm3/minkg/minkg/s
deg‐C
deg‐Cd C
deg‐C
kJ/kgKkW
JPY/kWh（e.g. 13A）

Operating
Hours

24350
8,400

hr/dayday/yrhr/yrFuel Savings

6,063,418

JPY/yrXenesys Inc.
Inc2F, 9‐13, Akasaka 1‐Chome, Minato‐ku, Tokyo 107‐0052 JAPANTel : +81‐3‐6441‐2153 Fax : +81‐3‐6441‐2154
E-mail : info@xenesys.com
Copyright © Xenesys Inc. All rights reserved.

05/16/18 XPTW

All welded Plate Type Heat Exchanger “ XP Plate”“XP Plate” are all welded plate type heat exchangers that do not need gaskets andwere uniquely developed in aiming for the realization of the ultimate renewableenergy, Ocean Thermal Energy Conversion.
Since they have an all welded structure, it is possible to use them under difficult
operating conditions such as high temperature and pressure and with fluids that are
not compatible with gaskets. The new concept of these heat exchangers is tocombine the features of both tube-type, which is tough and used for wide range ofapplications, and plate-type, which is small and compact yet high performance.

Merit
Energy-Saving
Newly developed for evaporation and condensation for small temperature difference
power generation, high performance and compact XP units can be installed in a small
space around distillation towers. It works with the thermosiphone method for its
simple one-path flow and low pressure loss. We can provide high level design fromextensive experiment data accumulated over many years.

By adopting our uniquely developed box structure ®, the inlet and outlet of the fluid
can be set to the optimum size according to the volume of the fluid at a desired
position, realizing a simple and ideal streamline completely different fromconventional products. This makes it possible to use fluids that have been difficult
to use, such as fluids which clog due to contained solids, highly viscous fluids, andgas bodies that have large volumes and high flow rates.

Flow structure completely different from conventional products
We resolved a problem in the conventional plate-type heat exchanges where narrow parts caused clogging and pressure
loss. By lining rectangle-shaped long heat transfer plates vertically, we can achieve a simple counter flow and the bestheat-transfer efficiency. Also, the occurrence and progression of scale contamination by stagnation will be inhibited due
to no flow reversal. Since the position and size of the nozzle can be set freely, unnecessary pressure loss at the fluid inlet/ outlet can be minimized.

Space Saving and Cost Savings
Significant space saving can be achieved by utilizing XPs compact characteristics.
Downsizing reduces not only equipment initial cost but installation cost.
Generalube
Tube

General Plate

LengthVolumeGeneral TubeXPSeries

8 Pass 42m tube v. 1 pass 2.4m plate

Inflow Narrowing

Gasket-type Flow

1 Pass Flow
(XP Plate)Multi-pass Flow(Continuous Crossflow)

High-performance design by excellent manufacturing technology
We have put into practical use the manufacturing technology for large heat transfer plates with the world
world'ss onlyContinuous Press Machine® using small molds. We manufacture a very wide range of heat exchangers with a size of 5 to2450 m from 2000 ton small press and mold. Combining the length and the number of the heat transfer plates enables us todesign flow velocity of fluid for determining heat transfer performance, and by combining with the degree of freedom of
the nozzle layout, various kinds of heat exchangers having various flow patterns can be provided.

Usable Conditions / Material / Law and Regulations
Operating Temperature: up to 400ºC

Maximum Operating Pressure: 4MPaG

Maximum Attainment Pressure : 30
30～40MPaG
40MPaG

Plate
Materials

Titanium:SUS316L
SUS304L

General Plate

XP Series

Please contact us for other uses
within conditions stated below.

Industrial Safety and Health Act
Laws and: High Pressure Gas Safety Act,
Regulations
Electricity Business Act, etc.

Maintenance Cost Savings
Compared with tube-type, the “wall shear force” of the plate-type is larger, which reduces contamination. “Wall shear force”
is comparable to a “self-cleaning action.” The force the heat-transfer surface receives from the passing fluid prevents theplate from becoming contaminated.
XP plate can be designed for a higher flow rate than other products under allowable pressure loss conditions.
conditions XP plate’s
structure is optimum for this innovation in technology; increasing the speed of the fluid to increase the "wall shear
force“ allows the "self-cleaning action" and will extend maintenance intervals to the maximum.

Image of turbulent flow in theheat transfer plate molded into a
corrugated shape that produces
self-cleaning action