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Industrial pipeline anti-freezing heat tracing and temperature maintenance system
Frost Tracing System forInstrumentation Pipelines
Key words:
Classification:
Frost Tracing System for Instrumentation 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: Frost Tracing System forInstrumentation Pipelines
In the low temperature environment of the alpine region, when the measured medium is transmitted to the pressure transmitter through the impulse pipe, there are often phenomena such as freezing, solidification, and precipitation of crystals caused by too low ambient temperature, which makes the material block the instrument measuring pipeline, and abnormal feedback signals appear, and even directly damage the instrument equipment, which has an adverse impact on the safe and stable operation of the device. Therefore, the effectiveness of the pressure transmitter body and the impulse tube heat tracing is crucial.
► Application scenarios
In the low temperature environment of the alpine region, when the measured medium is transmitted to the pressure transmitter through the impulse pipe, there are often phenomena such as freezing, solidification, and precipitation of crystals caused by too low ambient temperature, which makes the material block the instrument measuring pipeline, and abnormal feedback signals appear, and even directly damage the instrument equipment, which has an adverse impact on the safe and stable operation of the device. Therefore, the effectiveness of the pressure transmitter body and the impulse tube heat tracing is crucial.
The temperature of the material in the instrument pipeline is generally kept at 20 °C ~ 80 °C, the ambient temperature of the pressure transmitter is -20 °C ~ 80 °C, the minimum temperature of the winter environment in China's alpine region is generally about -30 °C, and the extreme temperature of a chemical plant in Russia is affected by the Siberian environment, reaching -52 °C, which is very difficult for ordinary pressure transmitters and differential pressure transmitters to work normally, so it is very important to choose a suitable thermal insulation and heating scheme.
► Instrument impulse pipeline antifreeze heat tracing system
The main components of the electric heating system: intelligent temperature control distribution box, self-limiting electric heat tracing, power junction box, two-way junction box, three-way junction box, four-way junction box, terminal junction box, thickened aluminum foil tape, heat-resistant pressure-sensitive tape, temperature sensor, stainless steel cable tie, special distribution box for electric heating, insulation layer, etc.
System Advantages:
1. Cost-effective: The self-limiting electric heat trace designed and selected by our company has a long service life, low maintenance rate and high heat transfer rate. The advantages of YATALO's self-limiting temperature electric heat tracing: uniform heating, can be controlled by thermostat or temperature control system, accurate temperature control, strong monitoring ability, easy installation, easy operation, strong scalability, low maintenance cost, electricity as the power, will not cause pollution to the environment. Low starting current, 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, 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 the heating cable 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 trace combustion or burning, long service life, low attenuation of power meter, and high cost of replacement cycle due to short life.
► How it works
The temperature sensor installed on the pipeline will be transmitted to the temperature control instrument in the intelligent temperature control distribution box through the signal cable, 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 working, 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, and the start and stop of the electric heat trace can be observed and controlled at the remote end.
► 常规选型
1. Tinned copper core wire
2. Conductive Plastics (Heat-Generating PTC)
3. Inner insulation layer (modified polyolefin/LSZH/fluorinated type)
4. Metal shielding layer (metal alloy wire/tinned copper wire)
5. Outer sheath layer (modified polyolefin/PVC/LSZH/fluorinated type)
Maximum maintenance temperature:
65°C±5°C (continuous power on)
Maximum temperature:
85℃±5℃ (intermittent power supply)
Rated power:
10W/m、16W/m、26W/m、33W/m
Rated voltage:
220VAC
Minimum installation temperature:
-40°C
Minimum bending radius:
5 times the thickness of heating cable
Flame retardant type:
External flame retardant, internal and external double flame retardant
Product advantages:
Small starting current, low initial power distribution cost, long service life, low later maintenance cost, low power consumption in long-term operation and high heat conversion rate.
► 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
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national unified service hotline: 400-624-8818
Marketing Hotline: 86-022-87887111/87887222/87887333
Technical hotline: 86-022-23767222
Fax service: 86-022-26799118
Enterprise E-mail: ytl@yatalo.com.cn
Enterprise official website:www.yatalo.com
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Production R & D Address: Tianjin Binhai New Area Huayuan Industrial Park Haitai International Industrial Base
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