Sludge mixed burning system

A sludge and weighing bin technology, applied in the field of sludge co-firing system, can solve the problems that sludge is easy to be invaded by water, sludge volume is difficult to measure, and pollution is large

Active Publication Date: 2020-02-14
CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In order to solve the above problems, the object of the present invention is to provide a sludge co-firing system to solve the problems that the existing mechanical co-firing mechanism has large pollution, the sludge is easily invaded by water, and the amount of sludge is difficult to measure

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Embodiment Construction

[0027] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0028] combine Figure 1 to Figure 4 As shown, the sludge co-combustion system of the present invention is schematically shown, including the gas transmission assembly 1 and the sludge silo 2, feeder 3, sludge crusher 4, weighing bin 5 and Delivery bin 6. The weighing bin 5 is provided with a load cell 51 for weighing the sludge inside. One end of the load cell 51 is connected to the weighing bin 5 and the other end is connected to the building structure for carrying the system. The discharge end of the delivery bin 6 is connected to the boiler furnace through a delivery pipe. The air delivery assembly 1 includes an air source 11 , a first air intake valve 12 and a seco...

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Abstract

The invention relates to the field of sludge treatment, and particularly relates to a sludge mixed burning system. The sludge is stored in a sludge silo, a feeder drives the sludge to enter a sludge crusher so that the sludge is processed into pieces or powders capable of being blown by high pressure gas, weighing is conducted on the sludge by using a weighing silo so that the amount of the sludgeguided into a boiler furnace is controlled conveniently, and the power generation efficiency of a power plant is improved; and a first air intake valve can lead the high-pressure gas of the gas source to the weighing silo so that the sludge in the weighing silo is blown to a conveying silo, and a second air intake valve can lead the high-pressure gas of the gas source to the conveying silo, so that the sludge in the conveying silo is blown to the discharging end of the conveying silo, and the sludge is conveyed to the boiler furnace through a conveying pipe. According to the sludge mixed burning system, the contacting time of the sludge with the outside air and moisture coal can be reduced to the utmost extent, so that hardening of the sludge due to moisture absorbing is avoided, the factthat the odor of the sludge pollutes the outside air can be further avoided, and humidity manual controlling of the air source can be easier conducted.

Description

technical field [0001] The invention relates to the field of sludge treatment, in particular to a sludge blending combustion system. Background technique [0002] According to its source, sludge can be roughly divided into: municipal sludge, pipe network sludge, river and lake sludge and industrial sludge. In addition, some processes also produce by-products similar to sludge. [0003] Municipal sludge is the largest type of sludge, mainly from sewage treatment plants and waterworks. As of the end of June 2018, more than 5,000 sewage treatment plants have been built in cities and towns across the country, the sewage treatment capacity has reached 190 million cubic meters per day, and the associated sludge has exceeded 50 million tons per year (calculated with a moisture content of 80%). With the rapid development of my country's national economy and the improvement of urbanization level, the amount of sewage discharge and associated sludge will increase year by year. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23G7/00F23G5/44F23G5/033
CPCF23G5/033F23G5/444F23G7/001F23G2201/80F23G2209/12
Inventor 贾斌王应江罗宇东万承军吴阿峰
Owner CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD
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