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Device and method for monitoring high-temperature particle temperature field in flight

A particle temperature, medium-high temperature technology, applied in the field of devices for monitoring the temperature field of high-temperature particles in flight, can solve the problems of discontinuous blast furnace slag discharge, difficult recovery of slag waste heat, etc., and achieve good accuracy

Active Publication Date: 2017-12-29
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Due to the physical properties of blast furnace liquid slag and the discontinuity of blast furnace slag discharge and the requirement that the slag after waste heat recovery treatment should have excellent comprehensive utilization value and performance, it is difficult to recover slag waste heat

Method used

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  • Device and method for monitoring high-temperature particle temperature field in flight
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  • Device and method for monitoring high-temperature particle temperature field in flight

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Embodiment Construction

[0022] The specific embodiment of the present invention and working process will be further described below in conjunction with accompanying drawing.

[0023] The orientation terms such as up, down, left, right, front and rear in this application document are established based on the positional relationship shown in the drawings. If the drawings are different, the corresponding positional relationship may also change accordingly, so this should not be understood as limiting the scope of protection.

[0024] Such as figure 1 As shown, a device for monitoring the temperature field of high-temperature particles in flight includes a particle spray gun 1, a semi-closed casing 2, a camera 4, an optical pyrometer 7 and a black body furnace 9; the top of the semi-closed casing 2 is provided with a particle introduction hole 12, Camera hole 3, dial 5, pin shaft 8 and temperature measuring conduit 6, camera hole 3 is arranged in the middle of the top of semi-closed case 2; Both sides;...

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Abstract

A device for monitoring a high-temperature particle temperature field in flight comprises a particle spray gun, a semi-closed cover housing, an image camera, an optical pyrometer and a black-body furnace. The top end of the semi-closed cover housing is provided with a particle introducing hole, an image photographing hole, a dial, a pin and a temperature measuring guide pipe. The dial is a sector-shaped dial. The dial is a vertical plane and is fixed at top end of the semi-closed cover housing. The pin fixes the temperature measuring guide pipe on the top end of the semi-closed cover housing, and makes the temperature measuring guide pipe rotate around the pin in the vertical plane. The optical pyrometer is inserted into the temperature measuring guide pipe. The bottom of the semi-closed cover housing is provided with a first black-body furnace hearth and a second black-body furnace hearth. Black-body furnaces are respectively placed in the first black-body furnace hearth and the second black-body furnace hearth. The optical pyrometer is calibrated and furthermore a gray scale fitting curve between the temperature and the image which is photographed by the image camera is established. Then high-temperature particles are sprayed. The gray scale is calculated by means of the image which is photographed by the image camera. The temperature of the high-temperature particles is obtained through the fitting curve. The device has advantages of noncontact type, continuous measurement, etc.

Description

technical field [0001] The present invention relates to a device and method for monitoring the temperature field of high-temperature particles in flight, in particular to a device and method for monitoring the surface temperature changes of high-temperature liquids and solid particles such as metallurgical blast furnace slag during flight, belonging to the field of visual measurement, especially It is suitable for the measurement of the surface temperature of single granulated slag particles and the temperature of the outer edge of particle groups in the field of waste heat utilization of metallurgical blast furnace slag. Background technique [0002] The liquid slag produced in the blast furnace smelting process in my country has a lot of sensible heat. The average output of 1 ton of pig iron is 300-600kg of slag. At present, water quenching is generally used to granulate and cool high-temperature liquid blast furnace slag, which not only cannot recycle the sensible heat of...

Claims

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Application Information

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IPC IPC(8): G01J5/00G01J5/52
CPCG01J5/0022G01J5/52G01J2005/0077G01J5/48G01J5/80
Inventor 张衍国李清海
Owner TSINGHUA UNIV
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