ggh

Reason Analysis and Treatment of GGH Scale Deposit of Desulfurization System in Power Plant

电厂脱硫系统GGH结垢原因分析及解决方案

Technical Analysis on GGH Setting in Desulfurization System

脱硫系统GGH设置的技术分析

Feasibility analysis of eliminating of GGH in the desulphurization system

脱硫系统取消烟气-烟气加热器的可行性分析

Discussion of GGH heat exchanger components scaling for Wet flue gas desulfurization

湿法烟气脱硫GGH换热元件结垢问题探讨

Influence of GGH in wet flue gas desulfurization on pollutant dispersion

湿法烟气脱硫中GGH对污染物扩散影响初探

Study on the Effect of Atmospheric Pollutants Dispersion for Uninstalling GGH from FGD System

FGD系统取消GGH对大气污染物扩散的影响研究

The Measures to GGH Blocking in Limestone-Gypsum Desulfurization System

石灰石-石膏法脱硫系统GGH堵塞解决措施

More than 50 % of wet flue gas desulphurization system thermal power generating units set gas gas heater ( GGH ) .

50%以上的火力发电机组烟气湿法脱硫系统设置气气换热器（GGH）。

The author wishes it can offer the conslution of GGH running safeguard and equipment transformation .

通过本文的探讨希望能够为GGH运行维护以及设备改造提供参考。

Result of the 210-m-stack without GGH is the worst .

210m烟囱不加GGH方案的情况为最差。

With this method , the space-bandwidth product of GGH is obviously increased , thus greatly increasing the range of usage .

本文中采用了离轴滤波及改变参考波面特性等措施，大大提高了计算全息图的空间带宽积，扩大了这一方法的使用范围。

Under the conditions of fumigation , FGD system canceling the GGH device brings about important effect on atmospheric pollutant dispersion .

在熏烟条件下，FGD系统取消GGH装置对大气污染物扩散有较大影响。

Two combined cleaning device soot blowers and high-pressure wash located in the untreated gas inlet integral to the GGH are provided .

两种联合使用的清洁装置是吹灰器和高压冲洗水，它们都位于热交换器的进口侧并和热交换器一道一同供货的。

It explains the design method of GGH device heating tube from each aspect of heat transmission property , construction and optimization , as well as presents the operation example .

从传热性能、结构、最优化等方面阐述了热管GGH设备设计方法，并介绍了运行实例。

The installing dimensions of gas-gas heater ( GGH ) rotors in desulphurization systems of thermal power plants are exacting .

火力发电厂环保脱硫系统中烟气加热器（GGH）扇形仓转子的安装尺寸精度要求非常严格。

Problems commonly occurred in gas / gas heater ( ggh ) of desulphurization system in Datang Heshan Power Generation Co Ltd and solving methods thereof

大唐合山发电有限公司脱硫系统GGH常见问题和解决方法

Through the investigation on the GGH scaling situation of some large-scale power plants in Hebei Southern Power Grid , the hazard and cause analysis were maked .

本文通过对河北南网几个大型电厂脱硫系统GGH结垢情况的调查，总结了其结垢的危害和原因，对湿法脱硫系统中GGH结垢成因分析和结垢GGH清洗技术进行了深入研究。

Scaling Problem and Optimization of GGH in the Wet Limestone-gypsum Flue Gas Desulfurization ; OPTIMAL OPERATION PARAMETERS OF VENTURI SCRUBBER FOR SODIUM AEROSOL SCRUBBING SYSTEM

湿法烟气脱硫系统中GGH结垢及优化方案的研究钠气溶胶除尘系统中文丘里湿式除尘器的优化

This paper introduces the improvement for preventing scale and clog of limestone-gypsum wet flue-gas desulfurization systems GGH in phase I of Guohua Sanhe Power Generation Co.

介绍了电厂烟气脱硫系统中泵的应用特点，分析和探讨了在整个石灰石-石膏湿法系统中泵的应用情况。

In view of the type question of heater for flue gas desulfurization system ( GGH ), the text indicates the use of new type highly-efficient heating tube may increase the economy of system .

针对烟气脱硫系统加热器（GGH）型式问题，提出采用新型高效热管GGH，可以提高系统的经济性。

In practical operation , GGH plug causes pressure increasing , leading to serious boosting fan stall , boiler trip ; and affecting the safety of plant operation , economy and environmental benefits .

实际运行中，GGH堵塞引起压差增大，严重时导致增压风机失速、锅炉跳闸，影响机组运行的安全性、经济性和环保效益。

In the second-stage construction , the binocular bunched chimney of 240 meters was adopted . Steel inner core was used and GGH was not adopted after desulphurization .

二期工程选用的是240m双筒集束烟囱，内筒采用钢内筒，脱硫后不采用GGH。

When the off-gas heating unit GGH was cancelled in the wet off-gas desulfurization technique , it can lower the engineering cost , shorten developments time and save the movement expenses .

取消烟气湿法脱硫工艺技术中的烟气加热装置GGH，能够降低工程成本、缩短脱硫装置建设时间、节省运行费用，同等达到烟气脱硫效果。

Application of GGH in wet flue gas desulfurization projects is described . The influence of pollutants from flue gas on the ambient air with and without GGH is analyzed from atmospheric dispersion point of view .

介绍了烟气换热器（GGH）在湿法烟气脱硫工程中的应用情况，从大气污染物扩散的角度，分析探讨了设置或取消GGH情况下烟气污染物对大气环境的影响。

In view of existing problems in the chimney design resulted from the limestone-gypsum wet FGD device without GGH , this paper analyzed the effect of exhaust parameters changing on the anticorrosion design of inner steel flue .

针对目前燃煤电厂采用湿式石灰石-石膏法脱硫工艺取消烟气加热装置的烟囱设计存在的问题，分析了排烟参数的变化对钢内筒防腐的影响。

By installing the GGH or not and different ways that flue gas flows into chimney , the paper made flow field and pressure field , temperature field simulation of flue gas in the chimney after desulphurization using Fluent software .

采用Fluent软件，根据安装GGH与否及进烟方式不同，进行了脱硫后烟囱内流场、压力场及温度场的数值模拟。

At the same time , canceling the GGH is viable . A set of wet chimney FGD system compare to the system which with GGH was Not only economic area , but also has much lower investment and operation expenses .

同时，GGH的取消是可行的，不但减少占地面积，而且一套精心设计的湿烟囱FGD的总投资和运行、维护费用比装有GGH的FGD要低得多。

Taking the home-designed 600 MW unit for instant , in the case of wet FGD system with / without GGH , the power consumption rate is 1.0 % ~ 1.1 % corresponding to high heat value and low sulfur coal ;

国内现设计的600MW机组采用湿法烟气脱硫工艺时，设计煤种为高热值、低硫分（硫分低于0.7%），并且脱硫烟气系统不设GGH或设GGH时，脱硫厂用电率为1.0%～1.1%；

For this reason , the desulfuration systems with and without installation of GGH have been compared from aspects of technology , economy , and environmental protection , the feasibility of scheme without installation of GGH being discussed , and corresponding recommendations being given .

为此，从技术、经济及环保角度对脱硫系统GGH设置与否进行了比较，探讨了不设GGH方案的可行性，并给出了相关建议。

Gas-Gas Heat exchanger ( GGH ) is one of the most important equipment in the system of wet desulfurization equipments , and its importance is lower than absorption tower . Its effect is cooling the original flue gas and reheating the net one .

气-气换热器（Gas-GasHeatExchanger，GGH）在湿法脱硫装置系统中是仅次于吸收塔的重要设备，它的作用是将原烟气冷却和净烟气再加热。