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Kiln waste heat system for intelligently controlling heat consumption of users

一种窑炉、余热的技术，应用在炉子控制装置、炉、废热处理等方向，达到加强传热、避免低温腐蚀的效果

Inactive Publication Date: 2015-06-17
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 waste heat system for intelligently controlling heat consumption of users
  • Kiln waste heat system for intelligently controlling heat consumption of users
  • Kiln waste heat system for intelligently controlling heat consumption of users

Examples

Experimental program
Comparison scheme
Effect test

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 waste heat utilization system. A programmable logic controller and a circulating pump are in data connection, a heat meter and an adjusting valve are in data connection, and the devices are used for automatically controlling the kiln waste heat utilization system; the heat meter transmits data of heat consumption of users to the programmable logic controller; the programmable logic controller controls the adjusting valve to be completely closed if heat is used up according to comparison of purchased heat of users and currently used heat, and meanwhile the circulating pump stops operating. The heat consumption of users can be automatically controlled, energy is saved, and the purposes of being environmentally friendly and saving energy are achieved.

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): F27D17/00F27D19/00
CPCY02P10/25
Inventor 李艳
Owner SHANDONG UNIV OF TECH
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