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Evaporation cooling device for walking heating furnace producing superheated steam

A walking heating furnace and superheated steam technology, which is applied in the steam generation method using heat carrier, lighting and heating equipment, furnaces, etc., can solve the problems of poor steam quality, achieve low fuel consumption, and reduce fuel consumption , Improve the effect of energy quality

Active Publication Date: 2020-01-10
HUATIAN ENG & TECH CORP MCC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above problems, the purpose of the present invention is to provide a walking heating furnace evaporative cooling device that produces superheated steam, to solve the problem of poor quality steam produced by the evaporative cooling device of the prior art

Method used

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  • Evaporation cooling device for walking heating furnace producing superheated steam
  • Evaporation cooling device for walking heating furnace producing superheated steam

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, the waste heat recovered in this embodiment is the waste heat in the fixed beams and movable beams supporting the billet movement in the furnace of the heating furnace. The vaporization cooling device includes a water feed pump 1, a steam drum 2, a hot water circulation pump 3, a distribution header 4, a water beam for generating superheated steam, and a water beam for generating steam-water mixture. The feed water pump 1 and the steam drum 2 are arranged outside the furnace of the heating furnace, the water inlet of the feed water pump 1 communicates with the external water supply, and the water outlet of the feed water pump 1 communicates with the water inlet of the steam drum 2 . The water outlet of the steam drum 2 is connected to the water inlet of the hot water circulation pump 3, the water outlet of the hot water circulation pump 3 is connected to the distribution header 4, and the water from the steam drum 2 is pumped into the distribu...

Embodiment 2

[0033] Such as figure 2 As shown, the difference from Example 1 is that the superheated steam generating water beam is the preheating section movable water beam 11 arranged on the preheating section movable beam, and the steam-water mixture generating water beam includes the preheating section fixed beam. Fixed water beam 8 in the preheating section, fixed water beam in the heating section of the fixed beam in the heating section 7, fixed water beam in the soaking section set on the fixed beam in the soaking section 6, movable water beam in the heating section set on the movable beam in the heating section 10 and the soaking section movable water beam 9 arranged on the soaking section movable beam. Two circulating water outlets on the distribution header, one of which is connected in series with the fixed water beam 6 in the soaking section, the fixed water beam 7 in the heating section and the fixed water beam 8 in the preheating section in sequence, that is, the fixed water...

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Abstract

The invention provides a stepping type heating furnace vaporization cooling device capable of generating superheated steam. The stepping type heating furnace vaporization cooling device comprises a water feed pump, a steam pocket communicating with the water feed pump, a superheated steam generation water beam, a circulating water pump connected with the steam pocket and a steam-water mixture generation water beam. The superheated steam generation water beam is arranged on a preheating section fixed beam or a preheating section stepping beam in a hearth of a heating furnace, a steam inlet of the superheated steam generation water beam is connected with a steam outlet of the steam pocket, and a steam outlet of the superheated steam generation water beam communicates with an external superheated steam pipe net. The circulating water pump is connected with the steam pocket. The steam-water mixture generation water beam is arranged on a fixed beam or a movable beam in the hearth, a water inlet of the steam-water mixture generation water beam communicates with a water outlet of the circulating water pump, and a water outlet of the steam-water mixture generation water beam communicates with a steam-water mixture inlet of the steam pocket. The superheated steam generation water beam and the steam-water mixture generation water beam are arranged on the different fixing beams or movable beams in the hearth of the hearing furnace. According to the stepping type heating furnace vaporization cooling device capable of generating the superheated steam, the energy quality of waste heat recovery of the stepping type heating furnace is improved, and fuel consumption of the stepping type heating furnace is reduced.

Description

technical field [0001] The invention relates to the technical field of a heating furnace vaporization cooling device, and more specifically, to a walking-type heating furnace vaporization cooling device for generating superheated steam. Background technique [0002] At present, domestic steel rolling mills generally adopt two water pipe cooling methods for walking heating furnaces: water cooling and vaporization cooling to ensure the temperature limit of the water pipes supporting the billet in the heating furnace. The water cooling method not only does not recover the waste heat of the water pipes in the furnace, but also consumes A large amount of energy is used to maintain the operation of the water-cooling system. The current water-cooling method of the walking furnace is rarely used; the vaporization cooling method can not only recover waste heat, but also consumes little energy in operation. All adopt the evaporative cooling device that produces saturated steam, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F27D17/00F22B1/18
CPCF22B1/18F27D17/004F27D2017/006Y02P10/25
Inventor 王雷
Owner HUATIAN ENG & TECH CORP MCC
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