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Qianqiao Chemical Machinery

無錫市錢橋化工機械有限公司

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SIC tube heat exchanger

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SIC tube heat exchanger, consisting of corrosion-resistant tube sheets and silicon carbide tubes, is the best solution for the most demanding corrosive conditions.

SIC tubular heat exchangers use heat-resistant tubes made of corrosion-resistant silicon carbide that are ideal for heating, cooling and condensing chemically corrosive process media. Typical applications include: bromine, sulfuric acid, hydrofluoric acid, nitric acid, hydrochloric acid and other acids; bases; halogenated compounds; salt solutions and organic compounds.

Imported SIC heat exchange

Super type [steel lined PTFE] SIC heat exchange

● Test each heat exchange tube under pressure of 185 Bar before installation
● Heat exchanger housing diameter range from DN100 to DN1000
● The standard length of the heat exchange tube is 1000 to 4000mm
● Heat exchange area is 1 to 200 square
● Heat exchange tube diameter is 14mm and 19mm
● Horizontal or vertical installation
● Applicable temperature range -19℃ to 230℃
● Applicable pressure range -0.1Mpa to 1.0Mpa
● Comply with CE, ATEX, FDA
● Combined with the internal test data and the application of a number of practical cases, it is proved that this type is the most reliable, most stable, the best temperature resistance, the best pressure bearing and the most widely applicable structure in the existing structure of silicon carbide tube heat exchanger.

Reinforced double tube plate [steel lined F4 or steel lined PFA] SIC heat exchange

● Test each heat exchange tube under pressure of 185 Bar before installation
● Heat exchanger housing diameter range from DN100 to DN600
● The standard length of the heat exchange tube is 1000 to 3000mm
● Heat exchange area is 1 to 40 square
● Heat exchange tube diameter is 14mm and 19mm
● Horizontal or vertical installation
● steel lining F4 Applicable temperature range -19℃ to 120℃
● steel lining PFA Applicable temperature range -19℃ to 120℃
● Applicable pressure range -0.1Mpa to 0.6Mpa
● Comply with CE, ATEX, FDA
● Double tubeSheet deSign
It is possible to separate the process fluid and the service fluid with a separation chamber, so that in case of o-ring leaking no mix will occur between the two fluids.

Reinforced type [steel lined F4 or steel lined PFA] SIC heat exchange

Double tube SIC heat exchange

● Test each heat exchange tube under pressure of 185 Bar before installation
● Heat exchanger housing diameter range from DN100 to DN600
● The standard length of the heat exchange tube is 1000 to 3000mm
● Heat exchange area is 1 to 60 square
● Heat exchange tube diameter is 14mm and 19mm
● Horizontal or vertical installation
● Applicable temperature range -19℃ to 100℃
● Applicable pressure range -0.1Mpa to 0.6Mpa
● Comply with CE, ATEX, FDA
● Double tubeSheet deSign
It is possible to separate the process fluid and the service fluid with a separation chamber, so that in case of o-ring leaking no mix will occur between the two fluids.

Ordinary SIC heat exchange

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Design requests of SIC
Device number
		Jacket	in side of heat exchanger
Fluid name / component
Total flow	kg/h
Gas flow	kg/h
Liquid flow	kg/h
Non condensable material flow	kg/h
Tempreture ( In / Out)	°C
Freezing point / Boiling point	°C
Density	kg/m3
Viscosity	cP
Gas molecular weigh	g/mol
Molecular weight of non condensates	g/mol
Specific heat	cal/g/k
Thermal conductivity	kcal/m/K/h
latent heat	kcal/kg
Inlet pressure (absolute pressure)	Mpa
Current Speed	m/s
Pressure drop	bar
Fouling coefficient	kcal/h/m2/°C
Heat exchange capacity	kcal/h
Heat transfer coefficient(clean / dirty / service side)	kcal/h/m2/°C
Corrected logarithmic mean temperature difference	°C
Heat exchange area (required / provided)	m2
Equipment selection data
Design temperature	°C
Design pressure	barg
Test pressure	barg
Process number
Inlet pipe diameter	mm
Outlet pipe diameter	mm
Material
Weight (empty / full water)	kg
Installation method

Thermal conductivity comparison table

碳化硅腐蝕性能表

測試環境 Test Environment 試劑濃度 Conc.Reagent	腐蝕量 Corrosive Weight Loss		（mg/cm²yr）

（Wt%）	溫度 Temp (℃)	無壓燒結碳化硅 (No Free SiC)	反應燒結碳化硅（12% SiC）
98% H₂SO₄	100	1.8	55
50% N_aOH	100	2.6	>1000
53% HF	25	<0.2	7.9
85% H₃PO₄	100	<0.2	8.8
70% HNO₃	100	<0.2	0.5
45% KOH	100	<0.2	>1000
25% HCI	70	<0.2	0.9
10% HF plus 57% HNO₃	25	<0.2	>1000
無錫市錢橋化工機械有限公司所生產設備均使用無壓燒結碳化硅 The heat exchanger produced by Wuxi Qianqiao Chemical Machinery Co., Ltd. is made of pressureless sinte#d63031 silicon carbide.(No Free SiC)