A vertical waste heat boiler operation method for glass melting furnace flue gas treatment

A technology of waste heat boiler and glass melting furnace, which is applied in the steam generation method using heat carrier, waste heat treatment, furnace, etc. It can solve the problems of insufficient water power of the high-temperature evaporator of the boiler, unstable water level of the boiler drum, etc., and achieve boiler operation It is normal and safe, solves the problem of insufficient water power, and has the effect of simple construction

Active Publication Date: 2021-09-07
SHENZHEN TRIUMPH TECH ENG
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AI Technical Summary

Benefits of technology

The technical effect that this invention provides an improved method for controlling the flow rate at which steam from one type of heat exchanger enters another type of reactor without causing issues such as uneven cooling on different parts of the equipment due to differences between temperatures caused by factors like pressure changes during startup/shutdown cycles. This improves efficiency while maintaining safe and reliable operations over time.

Problems solved by technology

This patented technical problem addressed by this patents relating to improving energy efficiency during glassmelting processes involves ensuring that each module within the system opers properly without generating excessive electrical or thermal stresses due to poorly functioning components such as condensers, evapoors, etc., which can cause damage from oxidation caused by air pollution.

Method used

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  • A vertical waste heat boiler operation method for glass melting furnace flue gas treatment

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Embodiment Construction

[0017] like figure 1 As shown, the present invention provides a method for operating a vertical waste heat boiler for glass melting furnace flue gas treatment, including a vertical waste heat boiler (not shown in the figure) connected to the glass melting furnace, a vertical waste heat boiler drum The downpipe (water supply pipe) connected on one side is respectively connected to the high-temperature evaporator and the evaporator, and the high-temperature evaporator and the evaporator are respectively connected to the other side of the steam drum through the uppipe (exhaust pipe), which is characterized by the following steps:

[0018] 1) There are valves in the rising pipe and the descending pipe on both sides of the high temperature evaporator;

[0019] 2) When the flue gas volume and flue gas temperature of the glass melting furnace meet the design parameters, that is, the flue gas temperature of the glass melting furnace is between 450 and 500 °C, keep the valves of the downc

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Abstract

The invention relates to an operation method of a vertical waste heat boiler for flue gas treatment of a glass melting furnace. The downpipes connected to one side of the steam drum of the vertical waste heat boiler connected to the glass melting furnace are respectively connected to the high-temperature evaporator, and then connected to the steam drum through the rising pipe. On the other side, there are valves in the riser and downcomer on both sides of the high-temperature evaporator. When the flue gas volume and flue gas temperature of the glass melting furnace meet the design parameters, the valves are kept open to make the vertical waste heat boiler operate in a conventional manner. Operation; when the flue gas volume and flue gas temperature are far lower than the design parameters, close the riser and downcomer valves, so that the high-temperature evaporator is in an anhydrous and no-steam state. At this time, the high-temperature evaporator does not cool down the flue gas and does not participate in the hydrodynamic force of the vertical waste heat boiler, which can ensure the stable water level and normal operation of the vertical waste heat boiler. The invention has the following advantages: the boiler water level can be guaranteed to be stable, and the system stability is good. It can solve the problem of insufficient boiler water power, and there will be no boiler water shortage or overwater, and the boiler operates normally and safely.

Description

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Claims

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Application Information

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Owner SHENZHEN TRIUMPH TECH ENG
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