Experimental system for detecting coke water vapor reactivity

An experimental system and water vapor technology are applied in the field of experimental systems for detecting coke water vapor reactivity, which can solve the problems of inaccurate determination results of coke water vapor reactivity, difficulty in realizing continuous and stable supply of trace water vapor, and the like, and increase the volume ratio. Surface area, splash-proof, easy-to-adjust effect

Pending Publication Date: 2018-04-24
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to overcome the problem that the existing device is difficult to realize the stable supply of continuous trace water vapor, which causes inaccurate measurement results of coke water vapor reactivity, and provides a method for detecting coke water vapor reactivity. The experimental system of water vapor reactivity can stably control the supply volume and supply rate of distilled water through the speed-regulating peristaltic pump, and the steam generator can conduct stable evaporation and stable supply of continuous trace water vapor, which meets the requirements of the experiment. Guaranteed the accuracy of the experimental results

Method used

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  • Experimental system for detecting coke water vapor reactivity
  • Experimental system for detecting coke water vapor reactivity
  • Experimental system for detecting coke water vapor reactivity

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Refer to attached figure 1 , figure 2 and Figure 5 As shown, a laboratory water vapor generating device of this embodiment includes an infusion unit 100, an evaporation unit 200 and a heating furnace 300, the infusion unit 100 and the evaporation unit 200 are connected through a liquid supply pipe 130, and the evaporation unit 200 is arranged in the heating furnace 300 inside the quartz tube 310 . The infusion unit 100 is used to deliver the distilled water required for the experiment, the evaporation unit 200 is used to evaporate the distilled water, and the heating furnace 300 is used to provide the temperature required for evaporation. The heating furnace 300 is provided with a quartz tube, and the top of the heating furnace 300 is provided with a scale A weighing balance 330 , a sample cage 340 is suspended from the lower part of the weighing balance 330 , and the steam generator 210 is vertically arranged inside the quartz tube 310 . The bottom of described we...

Embodiment 2

[0047] Refer to attached figure 1 , image 3 and Figure 5 As shown, a laboratory water vapor generating device of this embodiment is basically the same as that of Embodiment 1, except that the lower stabilizing plate 230 is arranged in the water vapor generator 210, and the lower The stabilizing plate 230 can float up and down in the steam generator 210 along with the height of the liquid level; The needle 250 and the contact probe 250 are set on the side wall of the water vapor generator 210. When the lower stabilizer plate 230 floats up with the rise of the liquid level, it will touch the contact probe 250. At this time, the speed-regulating type peristalsis will be reduced. The power of the pump 120 is reduced to prevent the liquid level from being too high.

[0048] Make the highest liquid level in the water vapor generator 210 still lower than the upper surface of the lower stabilizing plate 230; on the one hand, avoid water overflowing the evaporation unit 200; When...

Embodiment 3

[0050] Refer to attached figure 1 , Figure 4 and Figure 5 As shown, a laboratory water vapor generating device of the present embodiment is basically the same as that of Embodiment 1, the difference is that: the inner side of the circular hole 221 is provided with a thorn 222, and the thorn 222 is formed by the circular hole 221. The inner wall extends toward the center, so that when the splashed liquid drops pass through the circular hole 221 , it still collides with the thorns 222 inside the circular hole 221 , preventing the splashed liquid from passing through the circular hole 221 smoothly.

[0051] In addition, it is worth noting that the spurs 222 are set as long spurs and short spurs with staggered lengths and short spurs. The staggered distribution of long spurs and short spurs can not only fully contact the droplets passing through the round hole 221, but also avoid the droplet passing through the round hole 221. round hole 221, and can ensure the permeability of...

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Abstract

The invention relates to an experimental system for detecting coke water vapor reactivity and belongs to the field of chemical experimental equipment. The experimental system comprises an infusion unit, an evaporation unit and a heating furnace. The infusion unit comprises a beaker and a speed regulation type peristaltic pump. The beaker and the speed regulation type peristaltic pump are connectedthrough a liquid supply pipe. The infusion unit is used for conveying a reaction solution to a device. The evaporation unit includes a water vapor generator, the lower end of the water vapor generator is connected with the liquid supply pipe, the upper end of the water vapor generator is provided with an upper flow stabilizing sheet and a lower flow stabilizing sheet, and round holes are evenly formed in the upper flow stabilizing sheet and the lower flow stabilizing sheet; a quartz tube is arranged inside the heating furnace, a weighing balance is arranged on the top of the heating furnace,a sample cage is hung below the weighing balance, and the water vapor generator is vertically arranged inside the quartz tube. According to the experimental system, the speed regulation type peristaltic pump can stably control the supply amount and supply speed of distilled water, and the upper flow stabilizing sheet and the lower flow stabilizing sheet provided with staggered round holes in the water vapor generator can stably perform evaporation of the distilled water and prevent splashing.

Description

technical field [0001] The invention belongs to the field of chemical experiment equipment, in particular to an experiment system for detecting coke water vapor reactivity. Background technique [0002] Water vapor is a common gas during metallurgical reactions. Iron workers Lee S (Lee S, Jung J, Kim K. Improvement of reduction of iron ore using hydrogen-enriched synthetic gas [J]. CAMP ISIJ, 2009, 22 (1): 266-273.) and Guo Tonglai (Guo Tonglai .Mathematical simulation of the new low-carbon ironmaking process of blast furnace injection of coke oven gas[D].Northeastern University, 2015.) Through the calculation and experimental research of the material balance and heat balance in each area of ​​the blast furnace under different new ironmaking process conditions, it is found that with With the increase of the amount of coal injection or the proportion of natural gas injection, the CO, H in the blast furnace gas 2 content increased significantly, H 2 H produced by reducing o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/22
CPCG01N33/222
Inventor 万勇赵晴晴吴义超李杰夏云进吴朝阳张立强
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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