In high-temperature industrial scenarios such as chemical fiber spinning, plastic rubber, metallurgy and chemical engineering, high-temperature melt pressure sensors, as the core equipment for precision measurement, are continuously promoting industrial upgrading through technological innovation. With high precision, reliability, and intelligence, it has become a key factor in ensuring production safety and improving product quality'Industrial nerve endings'.

1、 Technical feature: Accurate perception of extreme environments

Breakthrough in high temperature resistance performance

The sensor adopts a special alloy diaphragm and a high-temperature resistant ceramic base, which can work stably for a long time350℃Environment, some customized models (such asPTL132B）Temperature resistance and even up to400℃For example, in the production of meltblown fabrics, sensors are directly embedded280℃The melt pipeline monitors the pressure of polypropylene melt in real time to ensure the uniformity of fiber diameter.

Wide range and high precision

Range coverage0-3.5MPato250MPaThe comprehensive accuracy reaches±0.5%FSZero temperature drift≤0.05%FS/℃In the process of chemical fiber spinning, sensors can accurately capture0.1MPaThe pressure fluctuation of the level reduces the standard deviation of fiber strength to±0.5cN/dtex.

Intelligent upgrade

integration4-20mA/HARTProtocol, supporting IoT access. the United KingdomGRAEFFThe company has launchedAIIntelligent sensors eliminate high-temperature zero drift through machine learning algorithms1200℃Implementation in molten salt energy storage system±0.1%FSThe measurement accuracy and data response speed reach5ms.

2、 Application scenario: Covering the entire industry chain

Chemical fiber industry

In the melt spinning process, sensors monitor the pressure of the polyester melt and control the pressure of the spinneret aperture to±2barReduce the rate of product breakage60%After being applied by a certain chemical fiber enterprise, the annual cost savings of raw materials exceeded200Ten thousand yuan.

Rubber Machinery

The precision of extruder die pressure control directly affects the surface smoothness of the product. The sensor adjusts the screw speed through real-time feedback to reduce the thickness deviation of the plastic film±50μmdrop to±15μmThe qualification rate has been increased to99.2%.

new energy sector

In the hot pressing process of power batteries, sensors monitor the pressure of high-temperature colloids to prevent battery bulging. After being applied by a certain new energy vehicle company, the pass rate of battery pack airtightness testing has increased92%upgrade to98.5%.

Metallurgy and Nuclear Power

The pressure monitoring system for blast furnace molten iron adopts a dual sensor redundant design1500℃Continuous work in the environment2Ten thousand hours without any malfunctions. The pressure sensor of the molten salt circuit in the nuclear power plant has passed the seismic grade certification and can withstand0.5gVibration impact.

3、 Technological Evolution Trends

Material Innovation

Silicon carbide based sensors increase temperature resistance limit to600℃At the same time, the volume will be reduced to traditional models1/3More suitable for miniaturized devices.

wireless transmission

based onLoRaWireless sensor nodes implemented in petrochemical tank areas500Real time feedback of pressure data within a radius of meters, reducing wiring costs70%.

predictive maintenance

By integrating built-in vibration sensors with pressure data for analysis, it is possible to achieve early detection48Hourly warning membrane fatigue reduces equipment downtime65%.

From meltblown fabric production to nuclear power plant operation and maintenance, high-temperature melt pressure sensors are being utilized'Millimeter level accuracy, zero fault operation'Redefine industrial measurement standards based on their characteristics. withAIThe deep integration of algorithms and new sensing materials will continue to release technological dividends in the high-temperature industrial field, becoming a key infrastructure for promoting the upgrading of intelligent manufacturing.