Insulation measures for on-line moisture analyzer
Insulation with thermal insulation materials, that is, the thermal insulation materials are used to wrap the parts that are easy to freeze or afraid of freezing. When winter comes, it is necessary to check and frequently discharge sewage to prevent damage to the packaging insulation materials.
Heat tracing measures for on-line moisture analyzer
1. Steam heat tracing measures: even use tube steam heating to keep warm. Check the steam insulation pipeline for blockage or blockage before sending heat in winter. The best steam is 24 hours, not too hot, sometimes to adjust the amount of heat supply steam according to the temperature change of the weather, to prevent the temperature is too high to vaporize the condensate in the transmitter pressure pipe to affect the transmitter's work or due to temperature Too low makes the condensate freezing in the pressure pipe of the transmitter affect the smooth operation of the transmitter.
2. Insulation protection box measures:
a. The electric heating tube heating insulation box is composed of three parts: the box body, the heater, and the instrument bracket. Its structure is the same as the protective box. The difference is that the box is equipped with electrical heating devices, and the heating device is made of electric heating. The tube is composed of a temperature controller, and the side of the box is equipped with a socket. When the power is turned on and the box is heated to the required temperature, the temperature controller is turned on to continue to heat up. Through repeated work, the temperature in the box can be kept within a certain range. The main parameters of its constant temperature heater:
â‘´, rated voltage 200V.50Hz;
⑵, rated power 300 ～ 500W;
⑶, the control temperature can be set by the user;
⑷, constant temperature heater can also be made into explosion-proof type; ⑸, there are three kinds of electric heating tube materials: namely copper tube, carbon steel tube, stainless steel tube.
b. Steam tube heat tracing insulation box. The heat tracing tube is made of metal tube with S-shaped structure. The upper and lower parts of the box are welded with welded through plate joints and heat tracing tubes. The circulation in the lumen achieves the purpose of heating. The materials of the heat tracing tube are generally divided into two types, namely, red copper tube and seamless steel tube (carbon steel).
c. Add a layer of thermal insulation cotton to the key instrument box, and glue seal at the door of the insulation box and the inlet and outlet pipelines to achieve better insulation and antifreeze effect for the instrumentation system.
Maintenance measures for online moisture analyzer
1. Installation measures
Reasonably choose the installation location: dry, free from rain and snow.
2. Checking measures
When conditions permit, a dedicated person shall perform technical confirmation and technical disposal on whether the insulation material is damaged or the steam pipeline is blocked.
3. Alarm measures
Conditionally, small sound and light alarm devices with steam leakage or power failure status can be installed to facilitate the discovery and timely rectification of hidden dangers of heat preservation and antifreeze measures.
4. Inspection measures
The person in charge of regional instrument maintenance shall conduct regular inspection according to the predetermined inspection route. During the inspection, it is necessary to check whether the insulation pipeline valve is normal, whether the insulation box is normal, the drainage device is normal, whether the insulation material packaging is intact, and whether the heat tracing power supply components are normal. Carry out key inspections and make inspection records of frost-proof devices and meters, carry out dry, complete and clean maintenance of instruments and their insulation and antifreeze measures, and solve the heat insulation and heat tracing problems on the spot in time.
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