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High-precision full-automatic preparation process technology of industrial microgram-grade strong base

A process technology and high-precision technology, which is applied in the direction of agitator accessories, drive agitator dissolution, mixer, etc., and can solve problems such as steam turbine salt accumulation accidents, abnormal water vapor indicators, and steam turbine salt accumulation.

Pending Publication Date: 2019-03-26
云南聚杰环保科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of dosing, the fluctuation of the dosing amount will cause abnormalities in the water vapor indicators. In severe cases, the input of desuperheating water will cause salt accumulation in the steam turbine, and then cause a salt accumulation accident in the steam turbine.

Method used

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  • High-precision full-automatic preparation process technology of industrial microgram-grade strong base

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Embodiment

[0020] A single-unit 300MW coal-fired generator set in Yunnan belongs to a subcritical pressure steam drum furnace. Before the implementation of the present invention, manual dispensing will be carried out once a month, and the dispensing concentration will only be based on the amount of solid sodium hydroxide manually input and the liquid level of the dispensing box (manually operated) Filling valve) roughly estimates that the dosing concentration is relatively extensive and unstable, and impact dosing often occurs (insufficient or overdosing of dosing can easily cause acid or caustic corrosion problems in the thermal system, causing serious safety hazards to power plants). It also causes personal frequent contact with strong alkali hazardous chemicals, and it will cause a lot of labor cost waste over the years. After the implementation of the present invention, the concentration of the dosing liquid is stable, and the pH value of the furnace water is stably controlled to be b...

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Abstract

The invention provides a high-precision full-automatic preparation process technology of industrial microgram-grade strong base, and is applicable to the industrial field, such as steam power stations(thermal power, nuclear power, turbine engine and the like) drum boilers, water supply of direct current furnace, furnace water dosing high precision and full automatic preparation. The process comprises a concentrate liquid feed system, diluted demineralized water feed system, a precise preparation system and a detection and calculation control system. Compared with the prior art, the technologyhas the advantages that (1) industrial strong base administration is introduced from manual extensive mode into intelligent high-precise full-automatic mode; and (2) the feed water with strong base treatment process technology is gradually accepted in the field, has a conclusive effect in effectively preventing pipe burst caused by oxidative hyperplasia and falling of overheating and re-heating steam pipe. The technology realizes high precision and full automation of feedwater with strong base, and further control of feedwater pipeline flow accelerated corrosion (FAC) and pipe burst caused byoxidative hyperplasia and falling of a steam pipe.

Description

technical field [0001] The invention belongs to an industrial microgram-level strong alkali high-precision, fully automatic preparation process technology, which is suitable for industrial fields such as steam power stations (including thermal power, nuclear power, gas turbines, etc.) Precision, fully automatic dispensing. Background technique [0002] Most of the medicines in the traditional process of enhanced alkali treatment of feed water and boiler water are artificially prepared. Manual preparation cannot achieve precision and full automation. Due to the unevenness of the concentration of the chemical solution, impact dosing often occurs during operation, which is not conducive to the precise control of the pH value of the feed water and boiler water, and in severe cases, it will cause acidic and caustic corrosion problems in the thermal system. This manual dispensing may bring serious losses and hidden dangers to the economy and safety of the power plant. [0003] ...

Claims

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Application Information

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IPC IPC(8): B01F1/00B01F13/10B01F15/00B01F13/04B01F35/60
CPCB01F21/10B01F35/605B01F33/81B01F35/2209
Inventor 马子淇
Owner 云南聚杰环保科技有限公司
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