Method for measuring temperature of cylindrical wall of cylinder dryer
A drum drying machine and temperature measurement technology, applied in thermometers, measuring devices, measuring heat, etc., can solve the problem that the actual temperature cannot be directly measured
Active Publication Date: 2012-11-07
ZHENGZHOU TOBACCO RES INST OF CNTC +1
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Problems solved by technology
Due to the special working environment inside the drum silk dryer: high temperature (environment temperature ≤ 150°C), high humidity (large steam volume), internal material passing, and coaxial uniform rotation, etc., the existing temperature measurement methods are all It is impossible to directly test the actual temperature of the inner wall of the drum wire dryer under the working state
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[0013] The present invention is further described below in conjunction with accompanying drawing:
[0014] see figure 1
[0015] A. Fix the thermocouple test probe on the inner wall of the drum wire dryer, and determine the number of temperature test points depending on the number of heating units inside the wire dryer. Each recorder can store 130,000 readings through 8 or 10 optional channels. The test points exceed Quantity (more than 10) can choose two sets of test devices.
[0016] B. Put the temperature recorder and telemetry kit in the heat insulation box, and fix them on the cantilever arm at the outlet of the silk dryer. The thermocouple connection line is fixed along the angle between the steam pipe and the "L"-shaped heating unit to avoid affecting the feeding . Data logger temperature range: -100-1370°C; accuracy: ±0.3°C; resolution: 0.1°C; sampling interval: 2s-50min during RF telemetry; storage capacity: 130,000 data; maximum operating temperature: 70°C ;
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The invention discloses a method for measuring the temperature of the cylindrical wall of a cylinder dryer, which is characterized by comprising the following steps: installing a thermocouple and a data recorder in the cylinder dryer so as to carry out temperature measurement on the inner wall of the cylinder dryer; and then, through a telemetering suite arranged in the recorder, emitting temperature data in the recorder to a computer in a radio signal mode by an emitter, and carrying out temperature analysis on the data by data processing software. The method disclosed by the invention is designed by integrating the requirements for on-line monitoring on the temperature of the cylindrical wall of the cylinder dryer in the tobacco industry; and by using the method, the on-line monitoring on the temperature of the cylindrical wall of a cylinder dryer can be implemented, and the temperature data can be recorded, sorted and analyzed in real time, thereby intuitively learning the temperature distribution state of the cylindrical wall of the dryer. Thus, the method can play a crucial role in controlling the material processing quality of a tobacco production line in the tobacco industry.
Description
technical field [0001] The invention relates to a method for measuring the temperature of a special tobacco machine, and mainly relates to a method for measuring the wall temperature of a drum shred drying machine used in the tobacco industry. Background technique [0002] At present, there is no direct measurement method for the cylinder wall temperature of the drum silk drying machine. The existing understanding of the cylinder wall temperature of the drum silk drying machine is the data obtained through the steam pressure conversion temperature formula as the cylinder wall temperature value; or through infrared measurement The temperature device measures the temperature of the steam pipe wall connected to the inner wall of the drum as a reference value of the temperature of the inner wall of the drum. Due to the special working environment inside the drum silk dryer: high temperature (environment temperature ≤ 150°C), high humidity (large steam volume), internal material ...
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IPC IPC(8): G01K7/04
Inventor 陶智麟张占涛陶铁托魏乐王琳孟庆华
Owner ZHENGZHOU TOBACCO RES INST OF CNTC