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Snow and ice melting systems for bridge ties
Key words:
Classification:
Snow and ice melting systems for bridge ties
Thermal control engineers always provide you with a safe, economical, energy-saving, environmentally friendly, stable and intelligent thermal control system overall solution!
- Description
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- Commodity name: Snow and ice melting systems for bridge ties
Bridge cables are the key stress components of cable-stayed bridges and suspension bridges, and their health status is directly related to the overall safety of bridges. In winter, snow and ice not only increase the dead weight of the cable, but also may cause stress concentration and corrosion, affecting the service life and safety of the bridge. Therefore, timely and effective removal of snow and ice on the cable is an important measure to ensure the safe operation of the bridge.
► Application scenarios
Bridge cables are the key stress components of cable-stayed bridges and suspension bridges, and their health status is directly related to the overall safety of bridges. In winter, snow and ice not only increase the dead weight of the cable, but also may cause stress concentration and corrosion, affecting the service life and safety of the bridge. Therefore, timely and effective removal of snow and ice on the cable is an important measure to ensure the safe operation of the bridge.
► Composed of a snow-melting and ice-melting system
The main components of the snow melting and ice melting system: electric heat tracing control box, special electric heat tracing for snow melting, ice and snow sensor controller, power junction box, terminal junction box, special card for snow melting, weather-resistant fixing glue, fixed protection plate, snow melting fixed cable tie, etc.
System Advantages:
1. Cost-effective: The special electric heat trace designed and selected by our company for snow melting has a long service life, low maintenance rate and high heat transfer rate. The advantages of YATALO's special electric heat trace for snow melting: anti-aging material, long service life, low maintenance costs, low power consumption for long-term operation, and high heat conversion rate. We pay attention to the quality of each single product and the professional quality of system integration products, so as to achieve the effect of reducing costs and increasing efficiency in the real sense.
2. Safety guarantee: The main performance items of YATALO electric heating product manufacturing standards meet the GB/T19835-2015 standard, and the product materials are made of high-quality materials to ensure that the performance of electric heat tracing meets the standards, with good thermal stability, uniform heating temperature, heating temperature is within the standard range, will not overheat or short circuit lead to heat tracing combustion or burning, long service life, low attenuation of power meter, and high cost of replacement cycle due to short life.
► How it works
A snow and ice melting system typically consists of an electric heat tracing, a temperature sensor, an electric heat tracing temperature control box, and a power supply. Electric heat tracings are arranged along the cable and provide heat by means of electric heating. The temperature sensor monitors the temperature of the cable surface in real time and feeds the data back to the control unit. The control unit automatically adjusts the heating power according to the set temperature range to maintain the proper temperature of the cable surface.
► 常规选型
RXTV-2KF
TXLP
1. Tinned copper conductor
2. Conductive Plastics (Heat-Generating PTC)
3. Inner Insulation
4. Metal Shielding
5. Outer insulation
A. Heating element: alloy resistance wire
B. Insulation layer: fluoroplastic
C. Composite layer: polyethylene
D. Braided layer: tinned copper wire
E. Sheath layer: PVC
技术参数
Model/Parameter
colour
Outer sheath
Rated voltage
（V）Rated power
（W/m）Two-way maximum
length (m)
Maximum temperature
resistance℃
Maximum maintenance
temperature ℃
RXTV36-2KF
black
Ultraviolet resistance
anti-aging220
36
300
120
85±5
RXTV49-2KF
220
49
250
120
85±5
FHTV36-2KF
brown
Fluoric material
Anti-tension, anti-wearanti-aging
220
36
200
135
90±5
FHTV49-2KF
220
49
200
135
90±5
FHTV66-2KF
220
66
150
135
90±5
Standard Colors: blue, brown; Temperature Range: The maximum maintenance temperature is 65°C,
The maximum withstand temperature is 105°C;
Construction Temperature:
min. -40°C;
Thermal Stability:
After 300 cycles between 10°C and 99°C, the cable generates more than 95% heat; Bend Radius: 18.8mm at room temperature at 20°C, 35.0mm at -30°C low temperature; Insulation Resistance:
When the cable length is 100m, the ambient temperature is 75°C, shake the meter with 2500VDC for one minute, and the minimum insulation resistance (between the wire and the shield) is 1200MΩ;
Starting current: When the heat trace cable is energized, the maximum instantaneous starting current ≤ 0.5A/M; Copper core wire: 7 X 0.6、19 X 0.28、19X 0.32； Length of use: Single-phase power supply: 100-150m, dual-phase power supply: 200-300m (within the specified use length range, can be arbitrarily cut, arbitrarily connected, cross-overlapped); Wire Material:
tinned copper wire; PTC Conductive Plastics:
Fluorinated type, ordinary type； Inner insulation:
Modified polyolefin/fluorinated type; Metal Shielding:
Tinned copper wire or aluminum-magnesium alloy wire braid；
Outer sheath:
Uv-resistant polyolefin/fluorinated type;Uv-resistant polyolefin/fluorinated type;
Ingress Protection:
IP67； Graph:
►Construction and installation
1. Construction preparation and process planning
Detailed preparation and process planning are required before construction begins. This includes an assessment of the site environment, the preparation of the required materials and tools, and the training of construction personnel. Proper process planning can ensure that construction runs smoothly and avoids unnecessary delays and increased costs.
2. Detailed explanation of the installation steps
There are certain steps to follow when installing a snow melting and ice melting system. First of all, clean the surface of the cable to ensure that there is no oil and impurities; Then lay the heating elements according to the design drawings, taking care to maintain the appropriate spacing; Next, install insulation materials to ensure good sealing; Finally, the temperature sensor and control unit are connected and commissioned. Each step needs to be carried out in strict accordance with operating procedures to ensure the reliability and effectiveness of the system.
3. Key points of quality control
Quality control is a crucial part of the entire construction process. The quality of the materials needs to be checked regularly, the construction process supervised, and the finished system rigorously tested. Only through comprehensive quality control can the long-term stable operation of the system be ensured.
4. Acceptance criteria and procedures
After the installation is completed, the acceptance of the system needs to be carried out. Acceptance criteria include aspects such as system integrity, safety, functionality, etc. The acceptance process should include steps such as visual inspection, performance testing, and safety assessment. Only systems that meet all acceptance criteria can be put into service.
►Application examples
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Technical hotline: 86-022-23767222
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