Thermodynamic steam trap

Thermodynamic steam trap is a type of steam trap that works based on the principle of thermodynamics.

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It is used to remove condensate (water formed from steam) from a steam system while allowing steam to pass through.

The operation of a thermodynamic steam trap is based on the principle that steam has more kinetic energy compared to condensate. The trap consists of a valve or disk that opens and closes depending on the pressure and velocity of the fluid passing through it.

When steam enters the trap, it flows through the valve, which is held open due to the higher velocity and lower pressure of the steam. This allows steam to pass through the steam line and continue.

However, when condensate begins to collect, the speed and pressure decrease, causing the valve to close.

This prevents backflow of steam and minimizes energy loss. When the condensate is drained, the pressure and velocity increase again and the valve opens.
Thermodynamic steam traps are generally compact and durable and can handle high pressure and high temperature applications.

They are commonly used in industries such as power generation, chemical processing and heating systems to ensure efficient and reliable condensate removal from steam systems.

Advantages of thermodynamic vapor trap

Efficiency: Thermodynamic steam traps are highly efficient due to their simple design. They trap steam and drain condensate quickly, preventing energy loss and maximizing system performance.
Adaptability: Thermodynamic steam traps can withstand a wide range of pressure differences, making them suitable for a variety of applications. They work effectively in low, medium and high pressure systems.

Reliability: Thermodynamic steam traps have few moving parts, which reduces the possibility of failure. This makes them reliable and reduces maintenance needs.

Resistance to water hammer: They can withstand water hammer, which is the sudden pressure increase that occurs when steam condenses rapidly and creates a shock wave.

The simple design of the thermodynamic trap valve allows proper drainage of condensate and prevents water hammer.

Disadvantages of thermodynamic vapor trap

1.Limited capacity: thermodynamic steam traps have less capacity compared to other types of traps such as inverted bucket or floating traps. This makes them less suitable for high capacity steam systems.
2. Sensitivity to back pressure: Thermodynamic steam traps are sensitive to back pressure, which is the pressure on the outlet side of the trap. Higher back pressure can prevent the valve from closing and result in loss of steam or trap failure.

3. Limited Modulation Capability: These traps are generally not designed to modulate vapor flow. Depending on the steam pressure, they are either completely open or completely closed. The lack of modulation capability can limit their suitability for certain applications.

4. Higher noise levels: Thermodynamic steam traps tend to make more noise than other steam traps due to the rapid opening and closing of the valve. This may be a concern in noise sensitive environments.

In general, thermodynamic steam traps offer several advantages such as efficiency, versatility, reliability and resistance to water hammer.

But they have limitations in terms of capacity, sensitivity to back pressure, limited modulation capability and higher noise levels. Therefore, choosing to use a thermodynamic steam trap should be based on the specific requirements and characteristics of the steam system.

Application of thermodynamic vapor trap

Use in steam distribution systems: Thermodynamic steam traps are usually used in steam distribution systems to remove condensate accumulated in the system.

This helps maintain proper steam flow and prevent condensate build-up, which can lead to reduced efficiency and possible equipment damage.

Use in steam tracing systems: Steam tracing is the process of heating pipes or tanks using steam to maintain or control their temperature. Steam traps are essential in steam tracing systems to remove condensate formed during the heating process. This ensures that the tracking system works effectively and efficiently.
Process heating: In various industries, steam is used for process heating applications such as heat exchangers or heating tanks. Steam traps play a vital role in these applications by removing condensate formed during the heating process. This helps maintain stable and efficient heat transfer and ensures optimal process performance.

Steam Powered Equipment: Many industrial processes rely on steam equipment such as steam turbines or boilers.

A steam trap is used in such equipment to remove condensate formed by heat exchange processes or steam cycles.

Proper condensate removal helps maintain equipment performance and prevent damage or corrosion.

Drying and sterilization: Steam is often used in drying operations, for example in paper mills, textile industries, or food processing plants.

In general, thermodynamic steam traps find applications in various industries where efficient condensate removal is essential for the optimal performance of steam systems and equipment.

Types of thermodynamic steam traps

There are two main types of thermodynamic vapor traps:

Disc thermodynamic vapor trap

Thermodynamic disc traps operate by utilizing the kinetic energy difference between the vapor and the condensate.

When steam enters the trap, it passes through a small orifice at high speed.

This creates a pressure drop on the downstream side of the orifice, which causes the disc to open and drain the condensate.
As the condensate leaves the steam trap, the steam pressure behind the disk is equalized and the disk is closed again. Thermodynamic disc traps are suitable for applications where there is a wide range of steam pressure and temperature variations.

Thermodynamic piston steam trap and thermodynamic disk steam trap

Thermodynamic piston steam trap

Thermodynamic piston traps also operate using the difference in kinetic energy between steam and condensate.

However, instead of a disc, they use a piston to seal the drain hole.

When steam enters the trap, it passes through a small orifice at high velocity, which causes a pressure drop downstream of the orifice.

which causes the piston to move to the side and open the discharge opening.

As the condensate leaves the trap, the steam pressure behind the piston is equalized and the piston returns to its original position and the discharge opening is closed. Thermodynamic piston traps are suitable for applications where there is high steam pressure and temperature.

Both types of these vapor traps are considered high efficiency traps.

They are reliable, efficient and can handle a wide range of operating conditions.

Price of thermodynamic steam trap

The price of thermodynamic steam trap depends on various factors such as its size, material, brand and quality.

In general, a thermodynamic steam trap is cheaper than a thermostatic steam trap.

In Iran, thermodynamic steam traps can be ordered in Iranian, Japanese, Chinese, German and American brands.

The price of thermodynamic steam traps is different according to the capabilities and model of each steam trap.

contact us to inquire about the price of all types of steam traps.

Thermodynamic trap function

The operation of the thermodynamic steam trap is as follows:

Steam enters the steam trap and passes through a small hole at high speed.

This rapid flow of steam creates a pressure drop behind the steam trap disc or piston.

The pressure drop causes the steam trap disc or piston to rise from its place and drain the condensate through the outlet hole of the steam trap.

As the condensate drains, the pressure behind the steam trap disc or piston increases.

This increase in pressure causes the disc or piston of the steam trap to return to its place and stop the discharge of condensate.

Buy thermodynamic steam trap

To buy a thermodynamic steam trap, you must buy from a reliable store. Make sure that the steam trap has a warranty and a vendor certificate.

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