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Furnace arch linked adjusting incinerating device and method based on heat value of garbage

An incineration device and waste technology, applied in the combustion method, incinerator, combustion type and other directions, can solve the problems of unstable combustion of low calorific value waste, large fluctuation of combustion efficiency, fluctuation of waste calorific value, etc., to reduce the risk of downtime and Maintenance costs, improved drying capacity, lower operating costs

Active Publication Date: 2017-05-31
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some areas, it is sometimes necessary to add fuel for combustion, which increases the cost of operation
In addition, the calorific value of garbage fluctuates greatly with different sources and seasons. In the absence of auxiliary fuel, the combustion of low calorific value garbage is not stable enough, and the combustion efficiency fluctuates greatly.

Method used

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  • Furnace arch linked adjusting incinerating device and method based on heat value of garbage
  • Furnace arch linked adjusting incinerating device and method based on heat value of garbage
  • Furnace arch linked adjusting incinerating device and method based on heat value of garbage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 As shown, a furnace arch linkage adjustment high-efficiency incineration device based on the calorific value of waste, including a mechanical grate furnace, a movable rear arch radiant panel system, a control system, temperature sensors distributed in the mechanical grate furnace, and a steam drum The pressure sensor and flow sensor at the place, the mechanical grate furnace is mainly surrounded by the incineration furnace, the mechanical grate 10, the flue 3, the front arch 2, the garbage inlet 1, the slagging outlet and the left and right side walls. The entrance 1 is the interface where the garbage to be incinerated enters the furnace, the front arch 2 is a section of the inclined furnace wall, and the flue 3 is the passage where the volatile matter and fly ash separated from the garbage mix with the primary air and secondary air and rise. The movable rear arch radiant panel system is arranged at the rear arch in the mechanical grate furnace, and the...

Embodiment 2

[0047] Such as figure 2 As shown, a furnace arch linkage adjustment high-efficiency incineration method based on the furnace arch linkage adjustment high-efficiency incineration device includes the steps:

[0048] (1) The garbage enters the top of the grate through the feeder of the garbage inlet 1, and the primary air is blown into the furnace from the grate air chamber;

[0049] (2) Collect operating parameters such as average steam drum pressure and average steam flow rate, and measure furnace temperature T in real time 1 , Furnace arch position temperature T 2 , calculate the average furnace temperature in the acquisition period according to the change of furnace temperature with time;

[0050] (3) Real-time measurement of data such as steam drum pressure p, steam drum steam flow rate D, and furnace garbage quality M, etc., according to the average steam drum pressure, average steam flow rate, and furnace garbage quality, use the positive balance method to reverse the c...

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Abstract

The invention discloses a furnace arch linked adjusting efficient incinerating device based on heat value of garbage. The device comprises a mechanical grate furnace, a movable back arch radiant panel, a control system, a temperature sensor which is distributed in the mechanical grate furnace, a pressure sensor and flow sensor which are arranged at a steam pocket; the movable back arch radiant panel is arranged on a back arch in the mechanical grate furnace; the control system is electrically connected to the temperature sensor and the movable back arch radiant panel, separately, for self-adaptively adjusting the height position, the temperature rise and the banking fire of the movable back arch radiant panel according to a hearth temperature collected by the temperature sensor and an average heat value of in-furnace garbage obtained by backstepping by virtue of direct balance method, so that the furnace temperature is kept in a predetermined range. The invention also discloses a furnace arch linked adjusting efficient incinerating method based on heat value of garbage. The device and method disclosed by the invention are high in combustion efficiency, good in environmental-friendly effect, good in operability, low in initial building and operating costs and suitable for municipal household garbage incineration with large, medium and small scale handling capacity.

Description

technical field [0001] The invention relates to a garbage incineration method and an incinerator, in particular to a furnace arch linkage adjustment incineration method and device with wide calorific value adaptability, sufficient fuel combustion and low pollution. Background technique [0002] Garbage siege is a common problem faced by cities all over the world. On the one hand, with the improvement of living standards, the output of waste has increased year by year; on the other hand, the process of urbanization has accelerated, and the urban area has continued to expand, resulting in extremely serious land use for waste disposal. The treatment of municipal solid waste has attracted more and more attention in the field of energy and environment. At present, municipal solid waste incineration for power generation is an important way of harmless, volume reduction and resourceful treatment of waste. [0003] Compared with developed countries in the West, my country's waste ...

Claims

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Application Information

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IPC IPC(8): F23G5/00F23G5/04F23G5/44F23G5/50
CPCF23G5/002F23G5/04F23G5/44F23G5/50Y02E20/12
Inventor 廖艳芬徐佳晨余昭胜林有胜林延方诗雯范云龙陈琳代民权马晓茜
Owner SOUTH CHINA UNIV OF TECH
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