DGXT NBR gasket Ti plate type heat exchanger for seawater heat exchanger

Basic Information
Place of Origin: China
Brand Name: DGXT
Certification: FDA CE
Model Number: customized
Minimum Order Quantity: 1
Price: $3000/set
Packaging Details: wooden case
Delivery Time: 5-8 days
Payment Terms: TT
Supply Ability: 100 per month
Brand: DGXT MODEL: FREE HELP TO SELECTION
Applications: General Heating And Cooling Duties. Heating By Means Of Steam Plate: Stainless Steel: Alloy 316, Alloy 304. Alloy 254 SMO, Alloy C276, Titanium
Gasket: Nitrile, EPDM, Viton HS Code:: 84195000
Frame: Carbon Steel Dates Prepared By Customer: Media,flow Rate,temperatures,etc
After-sale Service: Online Support

DGXT gasket plate type heat exchanger for seawater

Particulars required for quotation


1. Liquids Flow rates or heat load
2. Temperature OF two sides
3. Physical properties of liquids in question (if not water)
 

 

Plate Heat exchanger Material Warm Tips:

 

Plate material Applicable fluids
Stainless steel(SU304.316 ect) Clean water, river water, edible oil, mineral oil
Stainless steel & Ti, Ti-Pd Sea water, salty water,salt compounds
20Cr, 18Ni,SMO Dilute sulfuric acid,Water solution of salt matter,
Inorganic solution
Nickel High temperature and high concentration of caustic soda
Hastelloy Concentrated sulfuric acid,Hydrochloric acid, Phosphoric acid

 

Sealing material: adapt temperature Suitable for fluid
NBR -15~+120ºC Water, sea water, cooking oil, salt water
HNBR -15~+140ºC High temperature mineral oil, high temperature water
EPDM -25~+170ºC Hot water, water vapor, acid, alkali
Viton -5~+180ºC Acid, alkali, fluid

 

The basic composition structure is shown in the figure:


Plate heat exchanger


1. Plate of plate heat exchanger and sealing gasket of plate heat exchanger
2. Fix the pressing plate
3. Movable pressing plate
4. Clamping bolt
5. Upper guide rod
⒍ lower guide rod
⒎ rear column

 

Features:

 

a. High heat transfer coefficient
b. The logarithmic average temperature difference is large and the terminal temperature difference is small
c. Small floor area
d. It is easy to change the heat exchange area or process combination
e. Light weight
f. Low price
g. Easy to make
h. Easy to clean
i. Small heat loss
j. Small capacity
l. Not easy to scale
m. The working pressure should not be too high, and leakage may occur
n. Easy to jam

 

Plate type selection


The plate type or corrugated type shall be determined according to the actual needs of heat exchange occasions. For the case of large flow and small allowable pressure drop, the plate type with small resistance shall be selected, on the contrary, the plate type with large resistance shall be selected. According to the fluid pressure and temperature, decide whether to choose the detachable type or the brazed type. When determining the plate type, the plate with too small single plate area should not be selected to avoid excessive number of plates, small flow rate between plates and low heat transfer coefficient. This problem should be paid more attention to for larger heat exchangers.
 

Selection of process and runner
Flow refers to a group of parallel flow channels in the same flow direction of a medium in the plate heat exchanger, and the flow channel refers to the medium flow channel composed of two adjacent plates in the plate heat exchanger. Generally, several flow channels are connected in parallel or series to form different combinations of cold and hot medium channels.
The process combination form shall be determined according to the calculation of heat exchange and fluid resistance and meeting the requirements of process conditions. Try to make the convection heat transfer coefficient in the cold and hot water channels equal or close to each other, so as to obtain the best heat transfer effect. Because when the convective heat transfer coefficient on both sides of the heat transfer surface is equal or close, the heat transfer coefficient obtains a larger value. Although the flow velocity between the plates of the plate heat exchanger is different, the average flow velocity is still used in the calculation of heat exchange and fluid resistance. Because the connecting pipes of "U" single process are fixed on the compression plate, it is convenient to disassemble and assemble.
 

Pressure drop check
In the design and selection of plate heat exchanger, there are certain requirements for pressure drop, so it should be checked. If the check pressure drop exceeds the allowable pressure drop, the design and type selection calculation shall be carried out again until the process requirements are met.


Computing method
The calculation of heat transfer coefficient and pressure drop is obtained from the performance curve of products of various manufacturers. The performance curve (criterion correlation) generally comes from the performance test of the product. For the plate type lacking performance test, the criterion correlation of the plate type can also be obtained according to the characteristic geometric size of the plate type through the reference size method, which is adopted by some general software in the world.


Selection software
As for the selection software of plate heat exchanger, the manufacturer has its own selection software according to its own plate type.

 

 

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Contact Details
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Phone Number : +008613921853220

WhatsApp : +008613921853220