How to detect the lining thickness of a उच्च-तापमान विद्युत भट्टी?

1. कॅपेसिटन्स पद्धत

कॅपेसिटन्स पद्धत प्रतिकार पद्धतीसारखीच आहे. कोएक्सियल वर्तुळाकार कॅपेसिटर सेन्सर भट्टीच्या अस्तराच्या आत एम्बेड केलेले आहे आणि कॅपेसिटन्स मूल्य त्याच्या लांबीशी संबंधित आहे. स्फोट भट्टीच्या दगडी बांधकामाची जाडी कॅपेसिटन्स मूल्य मोजून निर्धारित केली जाऊ शकते.

2. Stress wave method

The stress wave signal is very sensitive to structural defects. When the stress wave propagates in the medium, such as holes, cracks and other interface discontinuities, reflection, refraction, scattering and mode conversion will occur. The thickness of the stave material can be determined.

3. प्रतिकार पद्धत

The resistance element is embedded inside the furnace lining, the front of the sensor is aligned with the inner surface of the furnace lining, and it is connected to the measurement system through a lead wire. The resistance value of the resistance element is related to its length. As the resistance element and the furnace lining lose synchronously, the resistance will change. Use the corresponding measurement The meter measures the electrical signal output by the component, and then the remaining thickness of the furnace lining can be measured online.

4. उष्णता प्रवाह शोधण्याची पद्धत

थर्मोडायनामिक्सनुसार, तापमानातील फरक, थर्मल चालकता आणि भट्टीच्या भिंतीची जाडी उष्णता प्रवाहाची तीव्रता निर्धारित करते. ब्लास्ट फर्नेस अस्तरासाठी, थर्मल चालकता निश्चित केली जाते आणि भट्टीच्या भिंतीची जाडी तापमानातील फरक आणि उष्णता प्रवाह तीव्रतेवरून मिळवता येते.

The heat flow detection sensor is installed in the lower temperature part of the furnace lining. The heat flow intensity is calculated by the water temperature difference of the cooling wall of the hearth, and the temperature value measured by the thermocouple in the brick lining is combined to calculate the thickness of the furnace wall.

5. प्रचंड कंपनसंख्या असलेल्या (ध्वनिलहरी) पद्धत

The thickness measurement is carried out at the point where the ultrasound propagates in the solid medium. At a constant temperature, the ultrasound is incident on the furnace lining and enters the furnace. The propagation time of the incident and reflection of the ultrasound in the furnace lining is used to obtain the residual thickness of the furnace lining.

6. मल्टी-हेड थर्मोकूपल पद्धत

Several thermocouples of different lengths are installed in a protective sleeve, and then they are installed in the brick lining that needs to be inspected, and the erosion of the masonry can be inferred by measuring the temperature change of each thermocouple. When the temperature of each point and the temperature gradient between each point are basically stable, when the brick lining is gradually eroded to a certain part, the galvanic couple in that part will be destroyed, and the temperature signal will be abnormal.

7. मॉडेल अनुमान पद्धत

हे शोध घटक म्हणून थर्मोकपल्सचा वापर करते, चूल आणि भट्टीच्या तळाच्या तापमानाच्या साइटचे गणितीय मॉडेल स्थापित करण्यासाठी थर्मोडायनामिक्स आणि इतर सिद्धांत लागू करते आणि सॉफ्टवेअर प्रोग्रामिंग आणि संख्यात्मक विश्लेषणाद्वारे वितळलेल्या लोखंडाच्या घनीकरण रेषेची आणि कार्बन विटांच्या इरोशन लाइनच्या अंदाजे स्थानांची गणना करते.