LNG Vaporizers

Product Details:

LNG Cryogenic Vaporizers from CRYOGAS equipment are manufactured using more than 20 years of robust experience and proven track record.

LNG produced at Liquefaction Terminal is transported to end users. LNG is vaporized / re-gasified for different industrial and commercial applications. In warmer countries ambient heat is available all 24 hours & 365 days. This free energy is used for vaporization of LNG and therefore popularly called as Natural Draft LNG Vaporizers.

CRYOGAS also offers interconnecting piping precisely designed while taking care of contraction and expansion w.r.t. stress analysis.

Preferential placement of fins i.e. 4, 8 and 12 in different vaporization zones ensure maximization of vaporizer capacity, at the same time use aluminium mass at the right place, reduce defrost cycle time and enhance super heating.

CRYOGAS provides inter-connecting piping between vaporizer banks along with PRS (Pressure Reduction Station) and vaporizer auto switching system.

Generally auto switching is coupled with the PLC system with outlet temperature over-rider. Switch-over is activated at predefined intervals or if the outlet temperature drops below the set point on temperature transmitter.

CRYOGAS LNG vaporizer operate for 25+ years with ZERO maintenance requirements.

Product Details:

LNG High Pressure Cryogenic Vaporizers from CRYOGAS equipment are manufactured using more than 20 years of robust experience and proven track record of supplying more than 1,000 High Pressure Cryogenic Units in operation worldwide. At geographical locations where Natural Gas Pipeline is not available, CRYOGAS installs LNG based LCNG stations are utilized to produce high pressure LCNG and popularly used for applications like commercial, automobile and industrial requirement. For refilling LNG cylinders at LNG Stations, High Pressure Lined LNG Cryogenic Vaporizers are most popular equipment using Natural Draft Cryogenic vaporization technique. SS304 lines with high quality alloyed aluminium fins have proven their worth upto 700 bar re-gasification. CRYOGAS High Pressure Vaporizers are supplied with SS liner hydraulically expanded to provide full contact between Fin inner surface & liner profile. ZERO air-gap between liner & fins ensures life long full performance LNG high pressure re-gasfication. CRYOGAS also offers inter connecting LNG & CNG piping precisely designed while taking care of contraction and expansion w.r.t. stress analysis.

Product Details:

CRYOGAS provides LNG Tank Pressure Building Coils with a variety of flow rates, configuration and manifold modulation. These Units are utilized to re-gasify certain volume of LNG from the storage tank and re-gasified LNG using latent heat of vaporization is put back on the top in order to maintain pressure on the top of cryogenic storage tank, transportation tankers and semi-trailers to enable discharge of cryogenic liquid at required flow rate and pressure.

Product Details:

CRYOGAS provides extremely portable, flexible, all-inclusive LNG Vaporization Skids with required regulation and pressure control on the same portable frame, at times with pumps.

Now just installing modules of banks of vaporizers and skids with prefabricated interconnecting piping, it is possible to erect and commission cryogenic station within a matter of two days only.

Additional Information:

• Production Capacity: 10 to 5,000 Nm3/Hour

Product Details:

To obtain exponentially higher flow rate on limited footprints, while utilizing the heating energy available in Ambient Air, CRYOGAS provides fan on top of the Ambient LNG vaporizers.  Typically, this doubles the throughput of LNG from same footprint.  As air is forced upon the Fins, very little Frost / Ice accumulation takes place, which reduces defrost cycle and improves ability for frequent switching of LNG Fan Forced Units.

CRYOGAS also offers interconnecting piping precisely designed while taking care of contraction and expansion w.r.t. stress analysis.

Equalised distribution of cryogenic liquid into different LNG Vaporizer units in a bank is extremely important to avoid preferential flow of cryogenic liquid and eliminating the possibility of preferential short pass.  This also helps utilize full capacity of LNG Vaporizers and ensures modular LNG vaporization at all times.

Accurate manifolding within the vaporizer for utilization of entire vaporization circuit to avoid preferential flow, control the pressure drop and optimize fin configuration is real strength of CRYOGAS LNG Vaporizers.

Additional Information:

• Production Capacity: 50 to-3000 Nm3/Hour

Product Details:

CRYOGAS developed a range of submerged combustion vaporizers (SCV) for regasification of medium and large quantities of LNG.

The LNG is warmed by flowing through tube bundles that are submerged in a waterbath which is heated by flue gases coming from natural gas fired burners. The submerged combustion burner emits hot exhaust gas that directly heats the waterbath by bubbling through the water to an exhaust stack. The flue gas will be cooled below the dew point, the water from the combustion condenses out giving up its latent heat to the water bath. Since both the sensible and the latent heat contents of these flue gases are recovered in the water, the overall thermal efficiency is very high.

3D model below shows two SCV units under construction, each designed for vaporizing duty of 25.000 Nm³/hr LNG.

Additional Information:

• Production Capacity: 25.000 Nm¿¿/hr LNG

Product Details:

CRYOGAS offers steam-heated vaporizers for LNG:

Steam heated water bath vaporizers (indirect heating)

• Vaporizers are equipped with steam governor and manual by-pass valves. Condensation is normally gravity-drained into a sump, but on request Cryogas can also offer condensation recovery system. The steam heated water bath vaporizer is a typical vaporizer for higher flows, it consists of a full stainless steel vessel with vaporizer coil submerged in the water. Water to be heated by means of steam injection, for such steam injectors are placed in the bottom part of the vessel in order to minimize noise.
• On request, a second coil for pressure building can be installed in the water bath.
• Extermely competitive where excess steam is available as by product or at a good price.  

 

Steam heated vaporizer (direct heating)

• The direct steam heated vaporiser has no intermediate heating medium, steam is injected straight onto the tube bundle in which the gas will be vaporised. With this design, high flows can be obtained with small footprints. As such this type is mostly used for mobile applications for the purging of pipe lines, tanks, etc.

Product Details:

Mobile LNG Vaporizers from CRYOGAS equipment are manufactured using robust experience and proven track record of portable and mobile vaporizer supplier in India.

LNG is popularly used to meet temporary, remote & peak shaving demand of Natural Gas at Industrial & Municipal Corporation sites.  CRYOGAS over the last 20 years has supplied many Units for such applications.  These Units are available for low pressure, medium pressure and high pressure applications.  Most popularly Cryogenic Tankers & ISO containers are connected to Framed Mobile LNG Vaporizers for above applications.

For off-shore application, DNV qualified frames are recommended.