FLASH STEAM RECOVERY

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FLASH STEAM RECOVERY

Thursday, Day 12/02/2026

When the pressure of saturated condensate is reduced, a portion of the liquid “flashes” to low-pressure steam. Depending on the pressures up stream, the flash steam contains normally 3% to 50% of the energy content of the original condensate. Almost cases, condensate receivers the flashing steam is vented to atmosphere and its energy content lost.

Typical popular case

Proposal recovery solution

These-energy possibility recovered with flash vapor recovery by using a plate heat exchanger installed in the vent pipe.

Example:

Tank vent to atmostphare with pipe Ø114, estimated steam vent out from condensate tank 184 kg/hr @ 0.1 barg (equivalent 202 kg/hr @ 7 barg saturated steam from boiler)

Steam cost 30.5 $ / ton (equivalent 700,000 VND/ ton) → 0.0305 $/kg (equivalent 700 VND/ kg)

Saving $= 0.0305 x 202 = 6.161 $/hr

Day Saving = 6.161 x 24 (hr) = 147.864 $/day

Month Saving = 147.864 x 30 (day) = 4,435.92 $/month

Year Saving = 4,435.92 x 12 (day) = 53,231.04 $/year (equivalent 1,277,544,960 VND/year)

Benefits of our Technology

- Reduced CO2 + Carbon emissions

- Increasing energy efficient use in plant

- Energy recovery from latent heat process

- Eliminate remaining flash steam energy loss

- Water recovery from condensate

- Stop moisture damage to the roofing structure

- Water and chemical treatment savings

- Improved cash flow

Products application: plate heat exchanger


CF20	CF30	CF40	CF42	CF83

WHAT IS STEAM ?
WHY USE STEAM?

There are three main forms of energy used in industrial processes: electricity, direct heat, and steam.
SATURATED STEAM TABLE
WHY NEED EVAPORATOR ?
CEFI STEAM TRAP

CEFI STEAM TRAP CEFI steam trap one piece design with custom orifice made from special stainless and the most advanced steam traps on the market, reduces energy loss, has the ability to automatically regulate discharge flow through the condensate water system. There are no moving parts inside so the possibility of damage and need for maintenance during operation is low. Connect the steam trap to the pipeline system with flanged. Steam traps are designed up to size DN50 with variety flows rate. It is depending on each the technological system. Install horizontally or vertically. The direction is marked on the steam trap body. Guaranteed successful operation with each application. Steam trap application for heating systems, moisture separation, water discharge on main pipeline.
Why we should use Pressure Reducing valve ?

All equipment has a maximum working pressure value, if the working pressure of the equipment is lower than the supply pressure of the system, we need to reduce the system pressure before entering the equipment. In case the pressure reducing valve cannot work, the pressure exceeds the threshold, there will be a safety valve to release the pressure to protect the equipment. For saturated steam systems, most boilers are designed to work at high pressure, usually cannot run at low pressure because the generated steam will be humid, low pressure requires pipes with a large enough size to meet the flowrate. Therefore, the system will operate more efficiently and economically when the steam is generated at high pressure and then reduced before entering the equipment for use. For design calculations, heating applications, from the saturated steam pressure we will deduce the temperature, from which we can choose the appropriate pressure value to calculate the application. Benefits of using saturated steam at low pressure: - Low pressure steam has higher energy than high pressure steam - The amount of flash steam produced will be less, so the energy loss from flash steam will be lower.
WHAT IS BOILER TDS?