SiC Condenser and Chiller

SiC Condenser and Chiller
SiC Condenser and Chiller
SiC Condenser and Chiller
SiC Condenser and Chiller
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Description:

SiC condensers and chillers are designed specifically for use in chemical (pharmaceutical, pesticide, fine chemical, organic, inorganic) process systems for heat exchange of strong corrosive media. They can withstand highly corrosive mediums, such as high concentrations of sulfuric acid, nitric acid, phosphoric acid, hydrobromic acid, hydrofluoric acid, sulfonic acid, mixed acid, strong alkali, organic solvent, oxidizer and other highly corrosive acids. The products are all made using stainless steel and use a double tube sheet design. On the tube sheet side filled with a working medium like acid, or nitric acid, we use polytetrafluoroethylene tube sheets to meet GNP requirements, because the material can withstand various corrosive substances. The other tube sheet side that is filled with a service medium like water or alcohol is made of carbon steel sheet to seal the condensate and keep it clean. A cavity is formed between the two tube sheets. A pressure meter or other poisonous gas alarm can be installed in the cavity. We can use these devices to detect failures of the seal, and ensure both cleanliness and safety for customers.

Parameters:
  • Maximum design temperature: 300℃
  • Maximum temperature in-service: 250℃
  • Maximum design pressure: 1.6MPa
  • Maximum pressure in-service: 1.3 MPa
  • Maximum heat transfer area: 300㎡
  • Maximum heat transfer area in-service: 70㎡
  • Maximum design diameter: 1200mm
  • Maximum diameter in-service: 900mm
Selection table of SiC condenser and chiller:
DN Number of tube Length of tube (mm)
tubeQty 1000 1500 2000 2500 3000
100 8 0.35㎡ 0.53㎡ 0.70㎡ 0.88㎡ 1.06㎡
150 22 0.97㎡ 1.45㎡ 1.93㎡ 2.42㎡ 2.90㎡
200 42 1.85㎡ 2.77㎡ 3.69㎡ 4.62㎡ 5.54㎡
250 64 2.81㎡ 4.22㎡ 5.63㎡ 7.03㎡ 8.44㎡
300 96 4.22㎡ 6.33㎡ 8.44㎡ 10.55㎡ 12.66㎡
350 140 6.15㎡ 9.23㎡ 12.31㎡ 15.39㎡ 18.46㎡
400 187 8.22㎡ 12.33㎡ 16.44㎡ 20.55㎡ 24.66㎡
450 241 10.59㎡ 15.89㎡ 21.19㎡ 26.49㎡ 31.78㎡
500 301 13.23㎡ 19.85㎡ 26.46㎡ 33.08㎡ 39.70㎡
600 434 19.08㎡ 28.62㎡ 38.16㎡ 47.70㎡ 57.24㎡
The following are the results of different corrosion resistance in different solution:
Corrosive medium Temperature(℃) Corrosion rate mg/cm2.Y Corrosion rate mm/Y
98%H2SO4 Sulfuric acid 100 0.98 0.0032
54%HF Hydrofluoric acid 25 0.06 0.0002
50%NaOH Sodium hydroxide 100 1.25 0.0040
45%KOH Potassium hydroxide 100 0.04 0.0001
70%HNO3 Nitric acid 86 0.04 0.0001
37%HCL Hydrochloric acid 25 0.07 0.0002
10%HF&HNO3 Hydrofluoric acid & nitric acid 25 0.05 0.0002
10%HF&HNO3 Hydrofluoric acid & nitric acid 120 1.25 0.0040
Characteristics of SiC condenser and chiller:
  • We use ASPEN software and our extensive practical experience in order to ensure the products are smaller in size and cost-effective, as well as allow us to guarantee the technical performance.
  • Taking high temperature, high pressure and high hazard medium environments in the industry into consideration, we have designed a highly reliable seal structure (double tube sheets SiC condenser and chiller) to ensure that there is no cross contamination between the treated medium and the service medium.
  • We use pressure free sintered silicon carbide materials developed by the Chinese Academy of Sciences for production that feature ultra-fine particles and a high purity.
  • We use PTFE & fluorine rubber for sealing and each pipe is double sealed.
  • We use the polytetrafluoroethylene & glass fiber reinforced tube sheet and cover to ensure that the silicon carbide tube installed on the PTFE tube sheet won’t break through deformation. In addition, due to the adequate compression force of the sealing ring, the equipment will not leak when the temperature changes.
  • We use PTFE baffles and pull rods to protect each silicon carbide tube from abrasion.
  • Backed by international, advanced technology and extensive service experience, we use three gaskets and double sealing technology to ensure that the equipment will operate normally, even after long term usage.
  • Special tube sheet structure: there is an outlet on the tube sheet to ensure that the machine will discharge the water and materials on the shell and tube side when the equipment shuts down. This design prevents damage to the silicon carbide tube caused by frozen water inside, making it more conducive to overhaul.
  • We carry out strict quality inspection—hydraulic pressure test of 6 barg at least. We also carry out a temperature and pressure test at 150℃ and 5 barg to ensure that the equipment works well under customer working conditions.
  • Before leaving the factory, every SiC condenser and chiller will go through the steam pressure and water pressure test. After passing all tests, the silicon carbide heat exchanger will be sent to the customer.
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SiC heater, anticorrosive equipment, corrosive heater exchanger
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