Device and method for measuring temperature uniformity of heating furnace materials
A material temperature and measuring device technology, which is applied to lighting and heating equipment, furnaces, furnace components, etc., can solve the problems of poor temperature uniformity of heating materials, troublesome production, etc., and achieve the effect of improving quality and accuracy
Active Publication Date: 2017-01-18
BAOSTEEL ENG & TECH GRP
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Problems solved by technology
[0002] In the field of industrial furnace heating, in order to realize the control of the material heating process, it is generally necessary to monitor the uniformity of the billet temperature in the heating process. Whether the heating of the material in the furnace is uniform, but the temperature of the thermocouple cannot directly represent the heating temperature of the material at all, because the temperature of the thermocouple is the heating source (flame, triatomic furnace gas, furnace wall, etc.) and cooling source (material, water cooling device) in the furnace. etc.) for the comprehensive temperature of the thermocouple, and can only represent the temperature of the thermocouple point, so in daily production, the thermocouples arranged in each area often show uniform temperature in this way, but the temperature uniformity of the actual heating material is poor. trouble for production
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[0022] Such as figure 1 with figure 2 Shown: a heating furnace material temperature uniformity measurement device, including flow meter 5, regulating valve 6, cooling water pipe 7, cooling water inlet temperature detection thermal resistance 8, cooling water outlet temperature detection thermal resistance 9, on-site data display and recording instrument 11 and PLC or DCS system 12;
[0023] The middle part of the cooling water pipe is located in the furnace body of the heating furnace 1, and the two ends of the cooling water pipe protrude from the furnace body and are located outside the furnace body respectively. There are flow meters and regulating valves, and the two ends of the cooling water pipe in the heating furnace body are respectively equipped with cooling water inlet temperature detection thermal resistors and cooling water outlet temperature detection thermal resistors; cooling water inlet temperature detection thermal resistors and cooling water outlet temperatu...
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The invention relates to a device and method for measuring the material temperature uniformity of a heating furnace. The device comprises a flow meter, an adjustment valve, a cooling water pipe, a cooling water inlet temperature detection thermal resistor, a cooling water outlet temperature detection thermal resistor, a site data displaying and recording instrument and a PLC system or a DCS. According to the method, the measuring devices are arranged in different areas of the heating furnace, the adjustment valves are adjusted according to the temperature of the heating furnace, and the real-time recorded cooling water flow and the real-time recorded cooling water inlet-outlet temperature are sent to the PLC systems or the DCSs; when the water temperature exceeds 70 DEG C to 90 DEG C, the measuring devices are taken out from the heating furnace; heat taken away by cooling water of the devices is calculated; a heat-time curve is drawn according to the calculation result, and the heating intensity of the areas in the heating furnace is monitored in real time. According to the device and method, the effect of the heating uniformity of materials in the different areas in the heating furnace is obtained in the mode of directly simulating material heating.
Description
technical field [0001] The invention relates to a device and method for measuring temperature uniformity of materials in a heating furnace. Background technique [0002] In the field of industrial furnace heating, in order to realize the control of the material heating process, it is generally necessary to monitor the uniformity of the billet temperature in the heating process. Whether the heating of the material in the furnace is uniform, but the temperature of the thermocouple cannot directly represent the heating temperature of the material at all, because the temperature of the thermocouple is the heating source (flame, triatomic furnace gas, furnace wall, etc.) and cooling source (material, water cooling device) in the furnace. etc.) for the comprehensive temperature of the thermocouple, and can only represent the temperature of the thermocouple point, so in daily production, the thermocouples arranged in each area often show uniform temperature in this way, but the tem...
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IPC IPC(8): F27D21/04
Inventor 李立强薛根山
Owner BAOSTEEL ENG & TECH GRP