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Waste incineration system and high-efficiency incineration control method

A waste incineration and waste technology, applied in the direction of combustion methods, incinerators, combustion types, etc., can solve the problems of poor utilization of heat and combustible gas, dioxin emission beyond the standard, unfavorable energy saving, etc., to facilitate subsequent tail gas treatment, Effects of saving water and preventing resynthesis of dioxins

Pending Publication Date: 2020-03-13
YICHANG JIANGXIA MARINE MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0001] At present, the flue gas after incineration of waste incineration treatment equipment is directly discharged into the air. First, the heat and combustible gas in the incineration process are not well utilized, which is not conducive to energy saving; second, the combustion process is not well controlled. Standard emission of dioxins in flue gas

Method used

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  • Waste incineration system and high-efficiency incineration control method
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  • Waste incineration system and high-efficiency incineration control method

Examples

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Effect test

Embodiment 1

[0049] see Figure 1-8 , a waste incineration system, which includes a primary combustion chamber 2 for primary incineration of waste, the flue gas outlet of the primary combustion chamber 2 communicates with the flue gas inlet of the secondary combustion chamber 4 through the first flue 15, and the two The flue gas outlet of the secondary combustion chamber 4 is connected to the spray tower 6 for flue gas spraying treatment through the second flue 19, and the top outlet of the spray tower 6 is connected to the flue gas purification system through the third flue 7 . By adopting the incineration system with the above-mentioned structure, it can be used for incineration treatment of garbage, overcomes the shortcomings of existing garbage carbonization incineration treatment equipment, can effectively control the temperature of garbage carbonization and utilize the combustible gas energy after carbonization, and control the combustion temperature of tail gas and smoke at the same...

Embodiment 2

[0062] Such as Figure 9-10 , the high-efficiency incineration control method of the waste incineration system, it comprises the following steps:

[0063] Step 1: Preparation, system self-inspection, power on, voltage, leakage, safety protection system self-inspection, after the self-inspection is normal, enter the second step;

[0064] Step 2: the primary combustion chamber 2 and the secondary combustion chamber 4 heat up the combustion chamber, and during the heating process, the spray tower 6 is opened to cool down the flue gas generated by combustion;

[0065] Step 3: Convey and fill the garbage, put the garbage into the primary combustion chamber 2 through the conveying device 1 and evenly distribute the material, close the feeding door 204, the garbage starts to burn, and the first temperature sensor 3 of the primary combustion chamber 2 monitors the temperature of the flue gas generated by combustion , the temperature of the primary combustion chamber 2 is controlled, ...

Embodiment 3

[0072] In the present embodiment, the main parameters of the adopted primary combustion chamber 2 are:

[0073] The amount of air needed to burn 200kg / h of domestic waste: 405.3m 3 / h;

[0074] The total flue gas volume produced by tenderly burning 200kg / h domestic waste: 573.84m 3 / h;

[0075] The amount of natural gas required to burn 200kg / h of domestic waste: 6.57m 3 / h;

[0076] Air volume required for natural gas combustion: 75.06m 3 / h;

[0077] Primary combustion chamber burner model: Baide BTG15 ME;

[0078] Burner motor power: 0.18kW;

[0079] Blower model and its motor power: HTB75-032 0. 3kW;

[0080] Primary combustion chamber heat loss: 30%;

[0081] The total displacement of the primary combustion chamber: 655.468m 3 / h;

[0082] Make the exhaust temperature of the primary combustion chamber of the furnace: 700°C;

[0083] The main parameters of the adopted secondary combustion chamber 4 are:

[0084] Amount of exhaust gas entering the secondary com...

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Abstract

The invention provides a waste incineration system and a high-efficiency incineration control method. The waste incineration system comprises a primary combustion chamber used for primary waste combustion. An exhaust gas outlet of the primary combustion chamber communicates with an exhaust gas inlet of a secondary combustion chamber through a first flue. An exhaust gas outlet of the secondary combustion chamber is connected with a spray tower used for spraying treatment on exhaust gas through a second flue. An outlet of the top end of the spray tower is connected with an exhaust gas purifyingsystem through a third flue. The waste incineration system can effectively control the waste incineration temperature, make use of flammable gas generated from incineration, meanwhile, controls the exhaust gas combustion temperature and the exhaust gas cooling rate to decompose dioxin and prevents resynthesis of dioxin to meet the treated waste emission standard. The high-efficiency incineration control method is high in intelligence degree, advanced, high in working efficiency, safe, reliable, energy-saving and friendly to environment.

Description

Background technique [0001] At present, the flue gas after incineration of waste incineration treatment equipment is directly discharged into the air. First, the heat and combustible gas in the incineration process are not well utilized, which is not conducive to energy saving; second, the combustion process is not well controlled. The dioxin in the flue gas is discharged according to the standard. Contents of the invention [0002] In order to overcome the deficiencies of existing waste incineration treatment equipment, the present invention provides an intelligent control method and device for waste incineration treatment equipment, which can effectively control the temperature of waste incineration and utilize the combustible gas produced by incineration, and simultaneously control the combustion temperature of tail gas and flue gas The cooling speed decomposes dioxins and prevents dioxins from resynthesizing, so as to meet the discharge standard requirements after garbag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G5/44F23G5/50
CPCF23G5/444F23G5/50F23G5/44
Inventor 王军何明刘志东黑保江姜归鹤李渝娥
Owner YICHANG JIANGXIA MARINE MACHINERY
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