System capable of increasing boiler feed water temperature

The invention discloses a system capable of increasing boiler feed water temperature, which is characterized in that hot primary air at an outlet of an air preheater enters a hot primary air heat exchanger through a hot primary air duct, hot secondary air at the outlet of the air preheater enters a...

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Bibliographische Detailangaben
Hauptverfasser:	WANG BAOHUA, ZHANG JINYANG, HUANG LINBIN, ZHANG HAIFENG, LIU ZHITAN, CHEN GUOQING, SHAO NING, WU JIWEN, GU PENGXI, CHU XIAOLIANG, JIA LEI, HU JUN, FAN YONGSHENG, YUAN ZHIXIAN, NIU TIANWEN, TIAN DONGYU, GAO XINGLONG, TAN RUI, HE LUCAN, WU XUANCHEN, JI MINGBIN, WANG XUE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR SUPPLY AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHINBOILERS BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES CONTROLLING WATER LEVEL DRAUGHT-INDUCING FEED-WATER SUPPLY FLUES HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES SEPARATION STEAM GENERATION SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a system capable of increasing boiler feed water temperature, which is characterized in that hot primary air at an outlet of an air preheater enters a hot primary air heat exchanger through a hot primary air duct, hot secondary air at the outlet of the air preheater enters a hot secondary air heat exchanger through a hot secondary air duct, and a main water supply pipeline is connected with a bypass water supply pipeline; the hot primary air heat exchanger inlet water supply pipeline and the hot secondary air heat exchanger inlet water supply pipeline are connected in parallel and are connected with the bypass water supply pipeline; by means of the hot primary air heat exchanger and the hot secondary air heat exchanger, feed water absorbs heat from hot primary air and hot secondary air to be heated, the temperature of the feed water going to the boiler is increased, various input and output schemes can be selected by means of the method, control over the temperature of the hot primary