Glass kiln denitration generating system

A power generation system, glass kiln technology, applied in the direction of machines/engines, steam generation method using heat carrier, waste heat treatment, etc., can solve the problems of increased operating costs, huge equipment, increased investment, etc., to reduce equipment investment and save investment cost, the effect of simplifying the system

Active Publication Date: 2011-01-19
SINOMA ENERGY CONSERVATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] So far, glass kiln waste heat power generation and flue gas denitrification are two independent processes, resulting in relatively large complex equipment and unable to optimize both, resulting in increased investment and increased operating costs, so it is difficult to expand the implementation of the project

Method used

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  • Glass kiln denitration generating system
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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0015] Such as figure 1 As shown, the liquid ammonia stored in the ammonia storage tank 2 flows out from the cylinder through the pressure reducing valve and enters the liquid ammonia water heater 3 . After the liquid ammonia absorbs heat, it is vaporized into gas ammonia, and flows into the ammonia spraying fence 6 through the regulating valve 8 . The flue gas (about 500°C) discharged from the glass kiln enters the waste heat boiler through the flue gas inlet 4 installed in the denitrification waste heat boiler, and is cooled to 350°C after passing through the superheater 5 (this temperature is a sensitive temperature for chemical reactions) Enter the denitrification section of the boiler. The flue gas passes through the heater 5 and mixes with the ammonia gas flowing into...

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PUM

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Abstract

The invention relates to a glass kiln denitration generating device. The system comprises an ammonia spraying device, a reactor, a boiler evaporimeter, a superheater and a boiler economizer, wherein the ammonia spraying device comprises an ammonia storing tank, a heater, an ammonia spraying fence, a fan and a heat exchanger; the reactor is arranged inside a denitration exhaust-heat boiler and on the upper part of the heat exchanger; the boiler evaporimeter is arranged inside the denitration exhaust-heat boiler and is connected with a turbine outside the denitration exhaust-heat boiler through a pipeline, and the turbine is successively connected with a generator, a condenser, a condensate pump, a deaerator, a boiler feed pump outside the denitration exhaust-heat boiler through the pipeline; the superheater is arranged inside the denitration exhaust-heat boiler and at the bottom of the ammonia spraying fence and on the upper part of a smoke inlet, wherein one end of the superheater is connected to the evaporimeter through the pipeline, and the other end thereof is connected to the turbine through the pipeline; and the boiler economizer is arranged inside the denitration exhaust-heat boiler and at the bottom of the boiler evaporimeter.

Description

technical field [0001] The invention relates to a glass kiln power generation system, in particular to a glass kiln power generation system with denitrification function. Background technique [0002] Glass production consumes a lot of energy. Taking the current domestic production scale of 400-900t molten glass / d as an example, the design heat consumption is about 6908kJ / kg molten glass, and the power consumption is 250kWh / t molten glass. The actual production is even more higher than the design parameters. The three major thermal equipment for glass production: melting kiln, tin bath, and annealing kiln have a relatively large amount of waste heat. It can be seen that efficient use of waste heat in glass production has become an effective way to reduce the overall energy consumption of glass production. [0003] The current method of using glass to produce waste heat is to install a waste heat boiler at the end of the melting kiln to recover waste heat. The steam produced...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/90B01D53/56F27D17/00F22B1/18F01D15/10
CPCY02P10/25
Inventor 魏连有胡希栓张福滨
Owner SINOMA ENERGY CONSERVATION
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