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A method for rapid cooling of high-temperature flue gas

A high-temperature flue gas and flue gas technology, which is applied in the field of high-temperature flue gas cooling, can solve the problems of acetylene quality impact, energy waste, and aggravate the cost of chemical enterprises, so as to achieve the effect of reducing cost and avoiding energy waste

Inactive Publication Date: 2020-05-19
北京宏帆态金节能科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. First of all, a large amount of quenched water injected into water vapor causes changes in the components of the flue gas, causing a sudden increase in the flue gas flow rate, which not only affects the quality of acetylene, but also increases the processing pressure of downstream equipment. Corrosion caused by equipment is also more serious;
[0005] 2. Secondly, the water vapor formed by the injected quenching water is finally emptied, and a large amount of latent heat contained in this period cannot be recovered, resulting in a large waste of energy;
[0006] 3. Again, the water consumption caused by this is not a small figure, which increases the production cost of chemical enterprises but cannot produce any positive and beneficial effects

Method used

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  • A method for rapid cooling of high-temperature flue gas
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  • A method for rapid cooling of high-temperature flue gas

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Embodiment

[0034] as attached figure 1 A high-temperature flue gas quenching device is shown, which includes a heat exchange furnace 20, and also includes a flue gas input mechanism and a quenching mechanism located in the heat exchange furnace. Road, the quenching mechanism includes a dispersing plate 40 arranged in the heat exchange furnace from top to bottom, a packing structure, a liquid accumulation pool 21, and a circulation unit that realizes the circulation of the quenched liquid. The circulation unit includes a heat exchanger 23 communicated with the liquid accumulation pool, The electromagnetic pump 24 that drives the flow of the quenching liquid, the liquid storage tank 1 22 connected to the effusion pool, and the liquid storage tank 2 connected to the dispersing plate and the electromagnetic pump, the setting of the liquid storage tank 1 and the liquid storage tank 2 ensures the supply of the quenching liquid , storage, which is beneficial to the high-efficiency circulation o...

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Abstract

The invention discloses a high-temperature flue gas quenching method. The high-temperature flue gas quenching method comprises the following steps that 1, flue gas is guided; 2, liquid metal is primarily dispersed; 3, secondary dispersion is carried out on the liquid metal, 4, the liquid metal is recycled; and 5, the flue gas is discharged. The high-temperature flue gas quenching method can guarantee the normal temperature of a high-temperature flue gas quenching experiment.

Description

technical field [0001] The invention relates to the field of cooling for industrial production, in particular to a cooling method for high-temperature flue gas. Background technique [0002] In industrial production, many fields involve the use of temperature to control the progress of flue gas reactions. [0003] Taking the production of acetylene as an example, the temperature for terminating the reaction is 1300°C, which requires the flue gas temperature to be lowered to an appropriate range in the heat exchange furnace. At present, this process is realized by spraying into quenching water, however, there are following problems in this way: [0004] 1. First of all, a large amount of quenched water injected into water vapor causes changes in the composition of the flue gas, causing a sudden increase in the flue gas flow rate, which not only affects the quality of acetylene, but also increases the processing pressure of downstream equipment. Corrosion caused by equipment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28C3/06
CPCF28C3/06
Inventor 杨帆
Owner 北京宏帆态金节能科技有限公司
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