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Titanium-molybdenum-nickel alloy composite board and manufacturing method thereof

A production method, titanium-molybdenum-nickel technology, applied in the field of steel chimneys, can solve problems such as the deterioration of the chimney corrosion environment, achieve the effects of increasing the capacity of a single machine, increasing the operating temperature, improving cost performance and service life

Active Publication Date: 2015-12-09
BAOJI TAICHENG METAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Generally speaking, the flue dust desulfurization of larger power plants is divided into wet desulfurization with GGH (GasGasHeater) and wet desulfurization without GGH. The temperature of the flue gas is about 40 to 50 ° C. When it is cold, it will form the corrosive white mist droplets (containing fluoride, chloride, SO2 and S03, etc., and the water vapor in the air will condense into highly corrosive hydrofluorine. acid, hydrochloric acid and sulfuric acid, etc.), so the flue gas environment after wet desulfurization, low temperature and high humidity will further deteriorate the corrosion environment of the chimney

Method used

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Embodiment Construction

[0022] The following describes the technical solutions in the embodiments of the present invention clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0023] The invention discloses a titanium-molybdenum-nickel alloy composite plate, which is used for the production of power plant chimneys, and comprises a titanium-molybdenum-nickel alloy plate, a base steel plate, and an intermediate transition plate. The titanium-molybdenum nickel alloy plate and the base steel plate are covered on the Two opposite faces of the intermediate transition plate.

[0024] The titanium-molybdenum-nickel alloy plate is made of the titanium-molybdenum-nickel alloy, and the weight percentages of its...

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Abstract

The invention discloses a titanium-molybdenum-nickel alloy composite board which is used for manufacturing a power plant chimney. The titanium-molybdenum-nickel alloy composite board comprises a titanium-molybdenum-nickel alloy board and a substrate steel board; the titanium-molybdenum-nickel alloy board is made of titanium-molybdenum-nickel alloy and prepared from, by weight, 0.2%-0.4% of molybdenum, 0.6%-0.9% of nickel, 0.08% of carbon, 0.15% of silicon, 0-0.015% of hydrogen, 0-0.2% of oxygen, 0.3% of ferrum and the balance titanium. According to the titanium-molybdenum-nickel alloy composite board, the structures of the titanium-molybdenum-nickel alloy board and the substrate steel board are more reasonable, the cost performance of the metal composite board for a power plant is improved, the life of the metal composite board is prolonged, the usage temperature is increased, the unit capacity is increased, the design requirements are completely met, and the economical effeciency is high. The invention further provides a manufacturing method of the composite board.

Description

Technical field [0001] The invention relates to the field of steel chimneys, in particular to a titanium-molybdenum-nickel alloy composite plate and a manufacturing method thereof. Background technique [0002] Generally speaking, the current larger power plant smoke and dust desulfurization is divided into GGH (GasGasHeater) and wet desulfurization without GGH. The flue gas temperature of the former is about 80℃, and it will not immediately form corrosive droplets when cold, while the latter The flue gas temperature is about 40-50℃. When it is cold, it will form corrosive white mist droplets (containing fluoride, chloride, SO2 and S03, etc.) and the water vapor in the air will condense into highly corrosive hydrogen fluoride Acid, hydrochloric acid, sulfuric acid, etc.), so the flue gas environment after wet desulfurization, low temperature and high humidity will further deteriorate the corrosive environment of the chimney. Summary of the invention [0003] In order to solve t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/01B23P15/00
CPCB23P15/00B32B15/01B32B2250/02B32B2307/306B32B2307/752
Inventor 何宝明郭宏勤
Owner BAOJI TAICHENG METAL CO LTD
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