Laurel Radiant tubes are used in industry for different heat treatment processes with a protective gas atmosphere in steel and nonferrous metal industry.
Radiant tubes can have many different shapes: Single-ended type, P type, Double P type, U Type, W type, but for the currently installed industrial furnaces, "W" and "U" tube systems are the most common types used. The aim of the radiant tubes is to transfer heat to the load through irradiation.
Product Details
Product parameters:
Working condition: 500-1250ºC
Outer diameter: 100-300mm
Wall thickness: Cast radiant tubes: 6-10mm/Welded radiant tubes: 3mm
(Pipe section)length: ≤ 4000mm
Service life: 3-5 years
Provide complete supporting components:Main materials: ZG45Ni48Cr28W5Si2, ZG40Cr25Ni20
Radiation tubes are mainly divided into four types:Double Pradial tubes,Wradial tubes, Pradial tubes, Electric Radiant tubes Uradial tubes
Radiant tubes are important components used in industrial heating equipment, and they possess the following product characteristics:
1. Efficient Heating: Radiant tubes generate heat through internal heating elements and transfer the heat to the objects being heated in the form of radiation. This heating method enables rapid and uniform heating, improves heating efficiency, shortens the heating time, and thus enhances production efficiency.
2. Precise Temperature Control: Equipped with an advanced temperature control system, radiant tubes can precisely control the heating temperature. According to different process requirements, the required temperature can be accurately set and maintained, ensuring the stability and consistency of product quality.
3. Strong High-temperature Resistance: Manufactured from high-temperature-resistant alloy materials, such as nickel-chromium alloys, radiant tubes can withstand the thermal stress and chemical corrosion in high-temperature environments. Under long-term high-temperature working conditions, they can still maintain good structural stability and mechanical properties, and are not prone to deformation or damage.
4. Good Heating Uniformity: The structural design of radiant tubes and the arrangement of heating elements have been carefully optimized to enable the even distribution of heat within the heating space. This helps to avoid local overheating or underheating of the objects being heated, improving the quality and performance of products.
5. Long Service Life: Due to the use of high-quality materials and advanced manufacturing processes, radiant tubes have high wear resistance, corrosion resistance, and thermal fatigue resistance. Under normal usage conditions, they can operate stably for a long time, reducing the frequency of equipment maintenance and replacement, and lowering production costs.
6. High Adaptability: They can be custom-designed according to different heating equipment and process requirements, including adjustments of parameters such as shape, size, and power. They can meet the heating needs of various industrial fields, such as the steel, glass, ceramic, and electronics industries.
7. Environmentally Friendly and Energy-saving: Compared with the traditional convective heating method, the heating method of radiant tubes has higher thermal efficiency and can reduce energy consumption. At the same time, since there are fewer pollutants generated during the heating process, it meets environmental protection requirements and helps enterprises achieve green production.
Table parameters
| Product description | The centrifugal cast steel pipes are of good heat, corrosion, wear-resistant properties, working at high temperature environment on average: 800 to 1200°C, which are used in the steel mills, like CAL (continuous annealing line), CGL (continuous galvanizing line) |
| Process | Centrifugal casting, precision casting and machining. |
| Materials Standards | ANSI, ASTM, ASME, DIN, GB Materials: High nickel and high chrome heat resistant alloys, cobalt base alloys, like HU, HT, HK, HP, HW, 24/24NbTiZr, 50Cr/50Ni (2.4813), 1.4865, 1.4849, 1.4848, 1.4410, 1.4059, 1.4841, 1.4845, 1.4852, 2.4879 or as per customer's requirements |
| Package | Packed by seaworthy wooden case or according to buyers' request. |
| Service | We provides recommendations for the entire lifecycle of high alloy components in your furnace. From design, manufacturing, delivery and installation, to operation and maintenance throughout the entire lifecycle, We are looking forward to becoming your partner, helping you reduce product costs, reduce energy, improve yield and product lifespan, and reduce air pollution. |
Features
Radiant tubes find extensive applications across a multitude of industrial sectors. In the steel industry, they play a crucial role in heat treatment processes like quenching, tempering and annealing of steel, precisely controlling temperature and ensuring uniform heating to enhance the mechanical properties of the metal. Also, in galvanizing lines, they heat steel strips for optimal zinc coating adhesion. In the glass industry, for both glass annealing and forming, radiant tubes are indispensable. They eliminate internal stress during annealing and maintain the right plasticity for forming, guaranteeing product quality. The ceramic industry relies on them for firing and drying ceramic pieces, achieving even heat distribution to yield consistent colors, textures and strengths. In electronics, from semiconductor manufacturing to electronic component sintering, radiant tubes offer stable and precise heating, meeting the stringent temperature and atmosphere requirements for high-quality production.
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