Slag is a process in which molten blast furnace slag is rapidly cooled in water, typically through water quenching either in the slag pool or before it exits the furnace. This method produces a granulated material known as water slag, which is widely used in the construction industry. Water slag serves as an essential component in the production of cement and concrete due to its latent hydraulic properties. When combined with cement clinker, lime, and gypsum, it acts as a high-quality raw material for various types of cement, such as Portland slag cement, gypsum-based slag cement, and lime-based slag cement. It is also used in the manufacturing of slag bricks, slag concrete, and other building materials.
In addition to its role in cement production, slag can function as a fine aggregate in concrete mixtures. This helps improve the grading of sand, reduces the overall density of the concrete, and enhances its workability. Furthermore, slag can be utilized as an insulating material, particularly in exterior wall insulation systems. Its application in thermal insulation has gained popularity due to its unique physical and chemical properties.
When used as an insulation material, water slag exhibits several beneficial characteristics. First, it is lightweight and porous, with a low bulk density ranging from 250 to 400 kg/m³, making it highly effective for thermal insulation. Second, it can withstand high temperatures, making it suitable for insulating industrial pipes and equipment operating at temperatures below 600°C. Third, it is flexible and can help reduce damage caused by thermal expansion and mechanical vibrations.
As an alternative to traditional insulation materials, slag can replace foam concrete for roof insulation and substitute certain types of diatomite or asbestos-based materials for industrial pipe insulation. Its versatility and eco-friendly nature make it an attractive option in modern construction practices.
This article is reproduced from Quanhe Thermal Building Materials Factory in Dacheng County, Hebei Province: http://
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Operating Environment
Atmospheric pressure: 85kPa~106kPa
Ambient temp.: Refer to Chapter 1.6
Relative humidity: 5%~95%, non condensing
Operating conditions
Fluid: Liquid/Gas
Fluid temperature: -200°C~+200°C (higher temp. model is customizable)
Nominal pressure: 4MPa or 25MPa (Customizable)
Supply voltage: AC 85~265VAC, 50/60Hz or DC 12~24VDC(±5%), 5W
Outputs: Pulse 0~10KHz, RS-485, 4-20mA & HART (optional)
The meter consists of mass flow sensor and transmitter. Mass flow sensor is a phase-sensitive resonant sensor based on Coriolis effect, composed of vibration tube, signal detector, concussion driver, structural support, shell, etc.
Mass flow transmitter is a micro-programming-centered electronic system, which supplies
thrust to sensor, transforms sensor signal into mass flow signal & others, and improves
accuracy in accordance with temperature parameter.
It`s composed of switching power supplier, guard grating, core processor board, display
module, etc., installed in a ex-proof junction box. Switching power supply offers power for
transmitter; safe grating isolates sensor and transmitter intrinsically; core processor detects
& processes sensor phase signal, sends mass flow signal and process communication.
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