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NANJING FUYUAN CHEMICAL PIPELINE EQUIPMENT CO., LTD.
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Products: PTFE Lined Pipe and Fittings , PTFE Lined Tank and Columns , Teflon Lined Valve , Teflon Lined Bellows , Glass Lined Condenser
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silicon carbide shell and tube industrial heat exchanger
Silicon Carbide Shell And Tube Industrial Heat Exchanger , Find Complete Details about Silicon Carbide Shell And Tube Industrial Heat Exchanger,Industrial Heat Exchanger,Industrial Heat Exchanger Price,Good Quality Heat Excanger from Heat Transfer Equipment Supplier or Manufacturer-Nanjing Fuyuan Chemical Pipeline Equipment Co., Ltd.
$1000 /SquareMeter
Product Details
Transaction Comments
Specifications
1.for corrosive media
2.high thermal conductivity
3.high resistance to erosion
SIC(silicon carbide) shell and tube type heat exchanger
1.Innovative sealing structure type
2.Safeties with non strict pressure install
3.More higher heat transfer coefficient
4.Widely corrosion resistance
5.Excellent cleanliness
SIC Character
Choice best SIC tube which is composed of reactive sintering and superfine SIC particle, It almost show inert to all known chemicals within 200degree,Our SIC tubes are highly resistant to corrosion and have been test with hydrofluoric acid,bromine,nitric acid,mixtures acid and chlorinated organic products
Chemical medium | temperature(℃) | corrosion rate(mg/cm2 YR) |
98% H2SO4 | 100 | 1.8 |
85% H3PO4 | 100 | <0.2 |
53% HF | 25 | <0.2 |
50% NaOH | 100 | 2.5 |
45% KOH | 100 | <0.2 |
70% HNO3 | 100 | <0.2 |
37% HCl | 86 | <0.2 |
10% HF+57% HNO3 | 25 | <0.2 |
Excellent Mechanical Properties: Each SIC tube is tested at 18Mpa to guarantee It’s safety and mechanical reliability
High Resistance to erosion: Hardness is very high,50% higher than tungsten carbide, SIC tubes is very resistant to erosion ,It allows a higher fluid velocity to improves the heat exchange efficiency
High cleanliness and resistance to permeation :Sic tubes which our company used is pure ,It didn’t contains any other filler, It is totally resistant to all fluids and gases even at high temperature and pressure, It avoids contamination in high purity applications
High Thermal Conductivity: Thermal conductivity of SIC is similar to Graphite and much higher than other corrosion resistance materials(PTFE,glass,compound special alloys,noble metals)
SIC tubes physical properties
Properties | Units | value |
Composition |
| SiC |
Density | g/cm3 | 3.1 |
Grain Size | μm | 4—6 |
Knoop Hardness | Kg/mm2 | 2800 |
Flexural Strength | MPa | 380 |
Compressive Strength | MPa | 3900 |
Elasticity Modulus | GPa | 410 |
Weibull Modulus | GPa | 8 |
Max operating temperature(Air) | ℃ | 1650 |
Mean Specific heat at 20degree | kJ/kg·K | 0.67 |
Thermal Conductivity | W/m·K | 105—125 |
(20—1000℃)Permeability(20 to 1000℃) |
| Proof against all gases up to 31MPa |
Electrical Resistivity at 20degree | Ohm·cm | 102—106 |
The structure characteristics of silicon carbide heat exchanger
Standard length φ19×2.5mm and φ26×3mm silicon pipe can used
in any nominal diameter shell, there are O type seal of each pipe’s end.
New double tube plate structure
Double tube plate structure with high reliability, long life advantages, consists of the following parts
1.A primary board, used to install carborundum tube
2.A vice board, contain seal assembly (o-rings, compression set).
3.Primary board is carbon steel or stainless steel PFA or FEP lined min Thickness 3.5mm, to ensure that the corrosion resistance
4.Seal component contains a "O" type circle and a compact set, through the vice tube sheet pressure Within the seal groove, in order to obtain good sealing performance.
The advantages of double tube plate design
Carborundum tube not withstand mechanical compaction force and tension, the thermal stress is released through the o-rings
Carborundum tube and sheet perfect sealing
Good mechanical stability (There is no metal kernel with PTFE board)
Easy maintenance , no need special tools, any parts can be replaced rapidly
Chemical corrosion resistance, contact with the medium parts are made of corrosion resistant materials
Can be produced according to customer requirements or vertical structure
Applicable occasions
Condensation
Evaporation
Falling film evaporation
Liquid-liquid heat exchange
Liquid-gas heat exchange
Gas-gas heat exchange
A wide range of material selection
According to the working condition and the media features can chose glass lined, 304L or 316L stainless steel Zinc plated carbon steel or ETFE coated. PTFE o-rings or Fluorine rubber. Our engineer will provide you analysis of practical problems, and give the best solution.
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