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Boiler heat supply system

A technology for heating systems and boilers, which is applied in the field of steam boilers and waste heat utilization of steam boilers. It can solve the problems of poor utilization of flue gas waste heat and low-temperature corrosion, and achieve the goals of avoiding low-temperature corrosion, saving energy, and optimizing size and structure. Effect

Active Publication Date: 2016-03-09
TAIYUAN BOILER GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, the utilization effect of flue gas waste heat is not good, and low-temperature corrosion is prone to occur, so how to make better use of boiler waste heat is the technical problem to be solved by the present invention

Method used

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Examples

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Embodiment Construction

[0031] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] figure 1 It shows a utility boiler waste heat utilization system, the system includes a boiler 1, a main flue 12, a bypass flue 16 and a heat exchanger 6, a part of the flue gas generated by the boiler 1 is directly discharged through the main flue, and a part Enter the heat exchanger 6 through the inlet 13 of the bypass flue, and the flue gas after heat exchange flows into the main flue 12 through the outlet 14 of the bypass flue and then is discharged.

[0033] As a preference, the boiler waste heat utilization system automatically adjusts the exhaust gas temperature to avoid low-temperature corrosion. The main implementation examples are as follows:

[0034] The main flue regulating valve 2 is set between the bypass flue inlet 13 and the bypass flue outlet 14 of the main flue 12, which is used to adjust the flue gas volume of t...

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Abstract

The invention provides a boiler heat supply system. The system comprises a boiler, a main flue, a bypass flue and a heat exchanger. Smoke generated by the boiler enters the heat exchanger through an inlet of the bypass flue. The smoke subjected to heat exchange flows into the main flue to be exhausted after passing an outlet of the bypass flue. The heat exchanger is connected with a radiator which is a heating radiator. The smoke in the heat exchanger transmits heat to water of the radiator, and waste heat can be utilized for heat supply. According to the novel boiler waste heat supply system, utilization of the waste heat of smoke of the boiler is guaranteed, and energy is saved.

Description

technical field [0001] The invention belongs to the field of steam boilers, in particular to the field of waste heat utilization of steam boilers. Background technique [0002] With the rapid development of my country's economy, energy consumption is increasing day by day, and the problem of deteriorating urban air quality is becoming more and more prominent. It is urgent to save energy and reduce the emission of harmful environmental substances. In the common steam generation process, one of the main reasons for high energy consumption and serious pollution is that the exhaust temperature of boiler flue gas is too high, which wastes a lot of energy. Therefore, the waste heat of boiler exhaust gas is recovered and reused to achieve energy saving and emission reduction. purpose, while protecting the environment. However, the utilization effect of flue gas waste heat in the prior art is not good, and low-temperature corrosion is prone to occur, so how to better utilize the wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D3/00F24D19/00F28F1/14
CPCF24D3/00F24D19/008F28F1/14F28F2215/10
Inventor 刘汉涛仝志辉
Owner TAIYUAN BOILER GROUP
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