The plate heat exchanger is a new efficient and compact heat exchanger that has developed and extensively used in recent decades. It consists of multiple parallel corrugated-surface thin metal sheets that overlap and are then fixed by lamp plates and bolts. The cold working fluid and the hot working fluid flow through the narrow and winding passage made of two neighboring plates alternately and realize cold and heat exchange through the plates separating the two working fluids.
The two mediums have a mean temperature difference as small as 1ºC and heat recovery efficiency higher than 99 percent. Based on the same pressure loss, the plate heat exchanger has, compared with a tubular heat exchanger, a heat transfer coefficient two to four times higher, a one-third floor area and two-thirds metal consumption.
It is therefore an efficient and energy, material and investment saving advanced heat exchanger. It is now widely used in industrial fields such as chemical industry, petrochemical, food, machinery, central heating, metallurgy, power, ships, paper-making, textile, pharmaceutical industry, nuclear industry, seawater desalination and combined heat and power generation to meet the requirements of processes such as cooling, heating, condensation, concentration, sterilization and residual heat recovery. It has become a highly competitive product in the heat exchanger field or evenly has replaced conventional tubular heat exchangers. With its development, it will be used in more and more fields.
The plate heat exchanger consists essentially of heat transfer plates, gaskets, and a clamping device. Thanks to its structure and heat exchange principle, it is characterized by compact structure, small floor area, high heat transfer coefficient, and operation flexibility, wide application range, small heat loss, easy installation and cleaning, etc.
Plate and gasket
The plate materials and the gasket materials mainly depend on the corrosive properties and temperatures of the cold exchange medium and the heat exchange medium. The plate heat exchanger's plate materials and corresponding applicable places are given in Table 1 and its gasket materials and corresponding applicable places in Table 2 for your reference.
The unique structure of the shunt area can balance the fluid distribution; the sheet has a unique linear and planar positioning structure, which can reduce the possibility of misalignment between the sheets; the pores on the sheet have an "interlocking" structure for making the sheets interlock with each other.
Large-angle ripples can improve the heat transfer coefficient while greatly reducing the resistance; the small-angle ripple design can reduce the degraded resistance with low heat transfer coefficient.
The sealing gasket is inserted and fixed on the grooved heat exchange plate, which is characterized by easy insertion and replacement of the sealing gasket. It can greatly reduce the downtime. Besides, as the sealing function is separated from the fixing function, even if some "fixtures" with fixed functions fail, the gasket can also explain the sealing function in the slot. The gasket has the advantages of reliable fluid separation, economy and easy installation. The integrated gasket clamp is also firmly fixed. And because the gasket can be fixed without tools, it is easy to replace.
Table 1 Plate Materials
| Material name |
Thickness (mm) |
Material grade |
Applicable place |
| Stainless steel |
0.5-0.8 |
304,321,316,316L |
Places with serious corrosion caused by acid or base mediums and places not suitable for chloride ions |
| Commercial pure titanium |
0.5-0.8 |
Ti |
Alkali or salt making places, sea water desalination places, low-temperature places, freezing places or places with chloride-ion corrosion |
| Nickel |
0.5-0.8 |
Ni |
Places resistant to corrosion, hot alkali liquor corrosion, neutral solutions or subacid solutions |
| Acid-resistant steel |
0.5-0.8 |
RS-2, SM0254, HC-276 |
Sulfuric acid field and the fields with acid corrosion |
Table 2 Gasket Materials
| Material name |
Code |
Applicable temperature |
Applicable place |
| NBR |
N |
-20~110ºC |
Water, non-polar oil, mineral oil, lubricating oil, silicon oil, etc. |
| EPDM |
E |
-20~150ºC |
Steam, water, ozone, polar chemical mediums, alcohol, weak acids, weak bases, salt solutions, etc. |
| Chloroprene rubber |
C |
-40~100ºC |
Ammonia, mineral roil, lubricant, freon, etc. |
| Fluororubber |
F |
0~180ºC |
Inorganic acids, bases, mineral oil, halohydrocarbon and oxidant |
| Silicon rubber |
Q |
-40~200ºC |
Food field, etc. |
Q&A
1. Q: How long can we deliver goods?
A: It would be 15-25 days after payment and drawing sketch confirmed
2. Q: Can your company supply an after-sales warranty?
A: Yes, we can supply 1-year after-sales warranty against B/L date.
3. Q: What payment terms can you accept?
A: We can accept L/C, T/T, etc.
4. Q: Can you accept customized order?
A: Yes, we accept, we have a very professional technical group who can design the special products according to your basic parameter/ datasheet/ drawings or sample.
5. Q: Do you have your own factory or just you are a trading company?
A: We are the direct factory group, one is in Guangzhou City, Guangdong Province, another is in Huanggang City, Hubei Province.
6. Q: Is OEM order acceptable to your company?
A: Yes, OEM is Welcomed.
7. Q: What kind of equipment used for manufacturing process?
A: A series of high-tech equipment used in the process of manufacture,
including special hydraulic machine for plate heat exchanger, CNC automatic cutting machine,
automatic wheat arc welding machine, automatic plasma welding machine, CNC plate winding machine, shearing machine and etc.
These machine
8. Q: Whate are certificates and soft power used in manufacturing process?
A: Tranp has obtained ISO9001 certification, CE certification,
standardized enterprise certification and various utility model patent certificates, with professional engineering and technical personnel engaged in the design of heat exchange equipment, thermal system and environmental recovery system. We will help customers to qualify CE certificates or other foreign certificates in different area all over the word.
9 .Q: What material and standards used for products?
A: All the products are manufactured as per national standards,including TSG21-2016, NB/T47004-2009, GB150.1-4-2011, GB/T151-2014, GB/T14296-2008 and etc.
10.Q: What is quality inspection procedure to maintain product quality?
A: Tranp has provided professional inspection regulation for Final quality controls for all products, to strictly control the quality of products from our warehouse.
About Warranty:
We promise 1 year guarantee, all reasonable relevant cost will be undertaken by us in the first year if our heat exchanger fails to work due to quality problem, only the free repairing operation guide is available in the rest of the years via E-mail /Fax/Phone
Company profile:
){kind=link}