National Heat Exchange Cleaning Corporation - For Heat Exchanger and Condenser Cleaning
 
   
 
 
CHEMICAL fOAM cLEANING
   
Using our state of the art, newly patented foaming system, National Heat Exchange can restore cooling efficiency and reduce downtime. This system is designed to chemically remove accumulations of organic and inorganic deposits such as oils, calcium, dust, dirt, and other deposits that inhibit heat transfer. We apply a heavy "shaving cream like" foam into and around the cooler coils. As the foam dissipates, the deposits are gently removed from the cooling surfaces. This unique cleaning method minimizes chemical requirements by keeping the chemical in place on the deposit long enough for the active ingredients to penetrate and remove the deposits from the coils.
     
Complete refurbishing of Shell and Tube Heat Exchangers.  Disassemble, clean test, repair, reassemble with new gaskets, seals, hardware, ad hdrotest entire unit.
As the foam dissipates, deposits are removed from the surface of the metal.
    Applications
  • Jacket Water/Oil Coolers
  • Evaporator Overhead Coolers
  • Glycol and Amine Coolers
  • Still Overhead Coolers
  • Dehydrator Coolers
  • Gas Coolers
  • Compressor Coolers

Foam reduces chemical requirements by holding the chemical in the coils.
   
Before Cleaning Inlet Gas Cooler
Unit# Unit Type HP KWh/yr $/kWh $/yr
12 Compressor 219.3 1308321 $0.035 $45,791.00
13 Compressor 219.3 1308321 $0.035 $45,791.00
          $91, 582.00
           
           
After Cleaning Inlet Gas Cooler
Unit# Unit Type HP KWh/yr $/kWh $/yr
12 Compressor 169.5 1011269 $0.035 $35,394.00
13 Compressor 169.5 1011269 $0.035 $35,394.00
          $70,788.00
           
    Reduction in Operating Costs/Year $20, 794.00
 
TXU Process Simulation
  • Normal Inlet Gas Volume 57MMSCFD
  • 75% compressor Efficiency
  • Inlet Gas Before Cleaning 236° F, 45.495 MMSCFD
  • Inlet Gas After Cleaning 235° F, 47.257 MMSCFD
 
 
 
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National Heat Exchange
156 Nulf Drive Columbiana, Ohio 44408-9720 P: 330.482.0893 F: 330.482.0895

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