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An anti-blocking infrared thermometer

An infrared thermometer and infrared temperature technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of uncertain coking time, no anti-blocking function, blockage, etc., and achieve high degree of automation, high safety and reliability measured effect

Active Publication Date: 2022-04-05
刘建松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the infrared temperature measuring device has no anti-blocking function. After it is installed on the kiln, because the flue gas in the kiln contains soot and ash, after a period of operation, the soot and ash will form coke in the fire detection hole. The fire detection hole is blocked, so that the measurement result of the infrared temperature measuring device cannot represent the real temperature in the kiln. Because the coking time is uncertain, the operating personnel cannot judge whether the temperature is accurate; the infrared temperature measuring device is suitable for measuring high temperature and harsh environments, and The measurement is fast, and it is very advantageous for the protection and automatic adjustment of the kiln. However, the measurement results of the current infrared temperature measuring device cannot represent the real temperature in the kiln, so that the measurement results cannot provide reliable basis for the protection and automatic adjustment of the kiln.
[0003] At present, the ash and slag are coking and blocking the fire detection hole, and the measurement result of the infrared temperature measuring device cannot represent the real temperature in the kiln due to the uncertain coking time. Technical bottleneck in the application of temperature measuring device in kiln control

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment one: if figure 1 As shown, an anti-blocking infrared thermometer of the present invention includes a light guide 1, a propeller 3, a vibrator 6, a connecting block 2, an infrared lens group 5, an infrared temperature sensor 23, a housing 4, a fixing plate, Pressure transmitter 16, control device and fire detection hole sealing assembly;

[0037] The propeller 3 adopts electric propulsion, the propeller 3 and the light guide tube 1 are arranged horizontally along the left and right sides, the right end of the propeller 3 is fixed on the left outer wall of the kiln 10, the propeller 3 is connected with the shell 4 through the connecting block 2, and the infrared lens The group 5 and the vibrator 6 are set in the housing 4, the left end of the light guide tube 1 extends into the housing 4 and is fixedly connected with the housing 4 through the fixing piece (including the first fixing piece 7 and the second fixing piece 8), and the vibrator 6 Arranged on the lig...

Embodiment 2

[0045] Embodiment two: if figure 2 As shown, the difference between this embodiment and Embodiment 1 is that

[0046] Also be provided with the second control circuit board 18 in the control box 19, the second control circuit board 18 is connected with the first control circuit board 17 by the fifth wire 1801, the signal output end of the infrared temperature sensor 23 and the second control circuit board 18 The signal input terminal is connected, and the furnace temperature signal of the kiln 10 detected by the infrared temperature sensor 23 is sent to the second control circuit board 18 through the sixth wire 2301, and the second control circuit board 18 outputs a vibration request signal to the first control circuit board 17 ;

[0047] The control logic of the second control circuit board 18 is as follows: when the furnace temperature signal reduction value ≥ x, and the vibration interval time is greater than y1 seconds, a vibration request signal is sent; when the vibrat...

Embodiment 3

[0055] Embodiment three: as image 3 As shown, compared with Embodiment 1, the propeller 3 of this embodiment adopts a pneumatic propeller 3 , the vibrator 6 adopts a pneumatic vibrator, and a camera 21 is arranged at the rear of the light guide 1 .

[0056] The propeller 3 is connected to the gas source main pipe 28 through the third air guide pipe 3002 and the third gas source branch pipe 45, and the propulsion and withdrawal power of the propeller 3 comes from compressed gas.

[0057] The vibrator 6 is connected to the fourth air source control valve 33 through the fourth air guide pipe 6002 and the fourth air source branch pipe 46. The fourth air source control valve 33 adopts a solenoid valve type, and the fourth air source control valve 33 is connected to the air source On the main pipe 28, the control signal of the fourth air source control valve 33 is connected to the first control circuit board 17 through the tenth wire 3301, and the first control circuit board 17 dri...

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Abstract

An anti-blocking infrared thermometer, including a light guide tube, a propeller, a vibrator, a connecting block, an infrared lens group, an infrared temperature sensor, a casing, a fixing piece, a pressure transmitter, a control device, and a fire detection hole sealing assembly The present invention uses a propeller to drive the light guide tube into the furnace body of the kiln for temperature measurement. While measuring the temperature, the airflow is passed into the furnace through the light guide tube to prevent the smoke and ash in the furnace from entering the light guide. The airflow also plays a role in cooling the light pipe, and at the same time, the light pipe can smash away the coke that blocks the fire detection hole through the driving force of the propeller. Under the action of the vibration energy of the vibrator, the light guide tube vibrates, and the vibration removes the gray coke at the front end of the light guide tube. internal temperature.

Description

technical field [0001] The invention belongs to the technical field of temperature detection of energy-saving and environment-friendly furnaces and kilns, and in particular relates to an anti-blocking infrared thermometer. Background technique [0002] At present, the infrared temperature measuring device has no anti-blocking function. After it is installed on the kiln, because the flue gas in the kiln contains soot and ash, after a period of operation, the soot and ash will form coke in the fire detection hole. The fire detection hole is blocked, so that the measurement result of the infrared temperature measuring device cannot represent the real temperature in the kiln. Because the coking time is uncertain, the operating personnel cannot judge whether the temperature is accurate; the infrared temperature measuring device is suitable for measuring high temperature and harsh environments, and The measurement is fast, and it is very advantageous for the protection and automat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J5/02
CPCG01J5/0205
Inventor 刘建松李兰峰杨国田许根超
Owner 刘建松
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