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Kiln residual heat system capable of automatically controlling auxiliary heating equipment to be started

A kiln and waste heat technology, applied in lighting and heating equipment, heating systems, hot water central heating systems, etc., to enhance heat transfer and avoid low-temperature corrosion

Inactive Publication Date: 2015-06-10
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, how to ensure the maximum utilization and avoid low-temperature corrosion in the relevant waste heat utilization system, these problems need to be solved urgently

Method used

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  • Kiln residual heat system capable of automatically controlling auxiliary heating equipment to be started
  • Kiln residual heat system capable of automatically controlling auxiliary heating equipment to be started
  • Kiln residual heat system capable of automatically controlling auxiliary heating equipment to be started

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Experimental program
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Embodiment Construction

[0042] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0043] Such as Figure 1-2 As shown, a cogeneration system of heat and power includes a waste heat system, a heat exchange system and a heat dissipation system, wherein the heat exchange relationship between the waste heat system and the heat exchange system is carried out through an air-water heat exchanger 6, and the heat exchange system and the heat dissipation system are passed through A heat exchanger 13 is connected for heat exchange.

[0044] figure 1 A kiln waste heat utilization system is shown, the system includes a kiln 1, a main flue 37, a bypass flue 38 and an air-water heat exchanger 6, and the flue gas generated by the kiln passes through the bypass flue inlet 39 After entering the air-water heat exchanger 6, the flue gas after heat exchange flows into the main flue 37 through the outlet 40 of the bypass flue and then is d...

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Abstract

The invention provides a kiln residual heat utilization system. The system comprises a kiln, a main flue, a bypath flue and a gas-water heat exchanger, wherein flue gas generated by the kiln enters the gas-water heat exchanger through the inlet of the bypath flue; the flue gas subjected to heat exchange flows into the main flue through the outlet of the bypath flue, and then is discharged; auxiliary heating equipment is arranged on a hot-water water supplying pipe; the auxiliary heating equipment is in data connection with a programmable controller; the programmable controller is used for automatically starting the auxiliary heating equipment according to a water inlet temperature, measured by a water inlet temperature sensor, of the heat exchanger. The kiln residual heat utilization system can be used for intelligently controlling the auxiliary heating equipment to be started, the problem that the heat exchanging amount is not enough, caused by the fact that the residual heat amount of the flue gas is not enough, is avoided, and the environment-friendly and energy-saving aims are realized.

Description

technical field [0001] The invention belongs to the field of waste heat utilization and belongs to the field of F27 kilns. . 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 thermal power field, one of the main reasons for high energy consumption and serious pollution is that the exhaust gas temperature of the flue gas is too high, which wastes a lot of energy and causes environmental pollution. The cement industry is a high energy consumption and high pollution industry. The tail gas produced by cement rotary kiln has high dust concentration and poor quality. The waste heat utilization system for cement rotary kiln can recover and reuse the waste heat of tail gas to achieve the purpose of energy saving and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F27D17/00F24D3/00F24D19/10
CPCY02P10/25
Inventor 李艳
Owner SHANDONG UNIV OF TECH
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