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Industrial pipeline anti-freezing heat tracing and temperature maintenance system
Tunnel pipeline antifreeze heat tracing system
Key words:
Classification:
Anti-freezing heat tracing system for tunnel pipelines
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: Tunnel pipeline antifreeze heat tracing system
In the northern region, the winter temperature is relatively low, the wind speed of the high-speed tunnel mouth and other parts is relatively large, and its internal temperature is actually lower than the ambient temperature, which will cause the fire pipe and valve in the tunnel to freeze, and it is necessary to install insulation facilities to ensure the normal use of fire fighting equipment in winter.
► Application scenarios
In the northern region, the winter temperature is relatively low, the wind speed of the high-speed tunnel mouth and other parts is relatively large, and its internal temperature is actually lower than the ambient temperature, which will cause the fire pipe and valve in the tunnel to freeze, and it is necessary to install insulation facilities to ensure the normal use of fire fighting equipment in winter.
The specific application site has underground garage fire protection and water supply and drainage, outdoor water supply and drainage, cooling tower pipelines, municipal water supply and drainage, station fire protection and water supply and drainage, airport fire protection and water supply and drainage, air conditioning cooling water pipes, office building fire protection and water supply and drainage, etc.
► Tunnel pipeline antifreeze heat tracing system
The main components of the electric heating system: intelligent temperature control distribution box, electric heat tracing, power junction box, terminal junction box, thickened aluminum foil tape, heat-resistant pressure-sensitive tape, temperature sensor, stainless steel cable tie, electric heating special distribution box, insulation layer, etc.
System Advantages:
1. Cost-effective: The electric heat tracing designed and selected by our company has a long service life, low maintenance rate and high heat transfer rate.
The advantages of YATALO electric heat tracing: low starting current, low upfront power distribution cost, long service life, low maintenance cost in the later stage, low power consumption in 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 YATELO 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 the electric heat tracing meets the standards, with good thermal stability, low starting current, 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 caused by short life.
► How it works
The temperature sensor on the pipeline located in the tunnel will sense the temperature signal through the signal cable to the temperature control meter in the intelligent temperature control distribution box, the temperature control meter will compare the received temperature with the set temperature, when the current temperature is greater than the set temperature, the electric heat tracing will not work, when the current temperature is less than the set temperature, the electric heat tracing will start to work, in order to avoid frequent start-up, a return difference will generally be set, the distribution box can also be connected with the central control room or DCS system by remote communication, The start and stop of the electric heat trace can be observed and controlled at the remote end.
► Conventional selection
1. Tinned copper conductor
2. Power supply insulation (fluorine material)
3. Inner sheath insulation (fluorine material).
4. Nichrome heating wire
5. Outer sheath insulation (fluorine material)
6. Metal shield
7. Reinforced protective layer (fluorine material).
► Technical parameters
Model number
Rated voltage（V） Rated power（W/m） The maximum length
used in one direction（m）
Maximum maintenance
temperature of fluid（℃）
Maximum withstand
temperature（℃）
YDP10-J3-2K/KF
220
10
450
205
130
YDP20-J3-2K/KF
220
20
350
205
120
YDP30-J3-2K/KF
220
30
300
205
95
YDP40-J3-2K/KF
220
40
260
205
75
YDP30-J3-3K/KF
380
30
600
205
120
YDP40-J3-3K/KF
380
40
530
205
100
YDP50-J3-3K/KF
380
50
460
205
80
YDP60-J3-3K/KF
380
60
400
205
60
Fluid maintenance temperature: refers to the maximum process temperature that the medium in the pipeline needs to maintain, and generally should not exceed the value specified in this table.
Product hotspot: the advantages of electric heat tracing: low power distribution cost in the early stage, long service life, low maintenance cost in the later stage, low power consumption in long-term operation, high heat conversion rate, constant calorific value per unit length, uniform heating from beginning to end, constant output power, suitable for long-distance pipeline heating, heat preservation, decoagulation, and anti-freezing.► Construction and installation
Installation specification steps: check whether the surface of the pipeline is polished smooth and free of burrs and sharp edges, dry and free of dirt; Check whether the paint inside the pipe is dry and the gas has evaporated for more than 3 weeks; Check whether the corresponding heating tracing materials and accessories are consistent with the materials in the design table; Check whether the materials required for construction are in good condition, etc.
Construction and installation points: the installation of electric heat tracing on the pipeline generally adopts the way of straight laying or winding, during installation, every interval of 300-600mm is fixed with heat-resistant pressure-sensitive tape, after the installation is completed, along the direction of the electric heat tracing is covered with a layer of aluminum foil tape, which is used to increase the heating area of the pipeline, the power junction box and the temperature sensor are fixed on the pipeline with stainless steel tape, and the two-way junction box and the three-way junction box can be fixed with heat-resistant pressure-sensitive tape when the temperature is not high. When the temperature is higher than 200°C, it is generally fixed with stainless steel cable ties.
► Application examples
Key words:- Tunnel pipeline antifreeze heat tracing system
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