CN104028528A - Solidification apparatus for fly ash produced in power generation through burning of municipal waste - Google Patents
Solidification apparatus for fly ash produced in power generation through burning of municipal waste Download PDFInfo
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- CN104028528A CN104028528A CN201310067287.5A CN201310067287A CN104028528A CN 104028528 A CN104028528 A CN 104028528A CN 201310067287 A CN201310067287 A CN 201310067287A CN 104028528 A CN104028528 A CN 104028528A
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Abstract
The invention discloses a solidification apparatus for fly ash produced in power generation through burning of municipal waste. The solidification apparatus comprises a double-shaft stirring mixer; the feed inlet of the double-shaft stirring mixer is respectively connected with a fly ash storage bin, a cement storage bin and a chelating agent storage tank, the discharge outlet of the double-shaft stirring mixer is connected with an extrusion molding machine, and a product molded by the extrusion molding machine is sent out through a belt conveyor. According to the invention, after burning of municipal solid waste, fly ash and slag are mixed with cement, a chelating agent and water according to a certain ratio through a kneading mixer under stirring; according to requirements of a landfill on strength of solid waste entering the landfill, the obtained mixture is directly buried or buried after the solidification strength of the mixture is improved by a forming machine.
Description
Technical field
The present invention relates to a kind of curing apparatus, or rather a kind of municipal refuse incineration power flyash curing equipment.
Background technology
Along with Chinese society expanding economy, the continuous quickening of urbanization process and the raising of people's material life, the quantity of domestic waste (MSW) is with the speed increase of year 10% left and right.Expect 2012, house refuse annual production will reach 2.9 hundred million t.The garbage disposal of China at present adopts taking landfill as main, and compost, burning are auxiliary measure, and this will take a large amount of land resource.Along with the development of technology of garbage disposal, have that processing speed is fast, floor space is little, minimizing and innoxious efficiency high, and the burning electricity generation treatment technology of the advantage such as capable of recovering energy source, will become developing direction in the future.According to statistics, family more than 50 of existing municipal refuse power plant of China, building or; Garbage incinerating power plant family more than 80 that project verification is built.
After existing municipal solid wastes waste incineration, flying dust does not process direct landfill or stacking substantially, causes serious dust pollution.The harmful components such as heavy metal composition and bioxin (strong carcinogen) that contain in more serious flying dust, slag can be diffused in environment (soil, water system, atmosphere) around gradually, especially can pollute underground water.
The incineration of refuse flyash of most all adopts the humidification that adds water to prevent the dust from flying in transportation, and then direct landfill disposal, does not reach the requirement of harmlessness disposing.
Summary of the invention
Due to the above-mentioned shortcoming of prior art, the present invention proposes one and is applied to municipal solid wastes post processing, flying dust after waste incineration is carried out to harmless treatment, adopt flying dust, chelating agent, cement solidification technique, solid waste after treatment reaches the direct landfill requirement of landfill yard, reduce a kind of municipal refuse incineration power flyash curing equipment of the pollution to urban environment (soil, water system, atmosphere).
The present invention is by the following technical solutions:
A kind of municipal refuse incineration power flyash curing equipment, comprise a twin shaft stirring-type mixer, the charging aperture of described Double shaft stirring formula mixer connects respectively a flying dust storage bin, a cement storage bin and a chelating agent storage tank, and the discharging opening of described Double shaft stirring formula mixer connects a single lead screw ex truding briquetting machine, and the discharging opening of described single lead screw ex truding briquetting machine connects a belt conveyor and sends.
Between the charging aperture of described Double shaft stirring formula mixer and described chelating agent storage tank, be provided with a measuring pump and a dynamic valve.
Between the charging aperture of described Double shaft stirring formula mixer and described cement storage bin, be provided with a star valve.
Between the charging aperture of described Double shaft stirring formula mixer and described flying dust storage bin, be provided with a friction feeding machine.
Described friction feeding machine is by a driven by motor.
Also comprise a water pump, water is sent to described Double shaft stirring formula mixer by described water pump.
The present invention has the following advantages:
1, after municipal solid wastes waste incineration flying dust and slag by pinching mixer and cement, chelating agent and water are uniformly mixed according to a certain percentage, requirement of strength according to landfill yard to admission solid waste, adopts direct landfill or increases landfill after solidification intensity by forming machine;
2,, according to curing process route, determine and adopt the basic equipment such as flying dust feed bin (or slag feed bin), cement silo, chelating agent feed bin and conveying equipment, measuring fixed amount equipment, mixing apparatus, former to form and equipment flowsheet;
3, fully mix with water by chelating agent, then according to heavy metal in solid waste Ji the content of bioxin, determine the adding proportion of chelating agent and cement, after guaranteeing to solidify, nuisance content meets relevant national standard;
4, by pressure forming machine, flying dust or slag are applied to the shaping of pressure external force, and improve solidification intensity;
5, solidify after material through health solidify reach standard of landfill after admission landfill.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Please refer to Fig. 1, a kind of municipal refuse incineration power flyash curing equipment, comprise a twin shaft stirring-type mixer 10, the charging aperture of described Double shaft stirring formula mixer 10 connects respectively a flying dust storage bin 1, a cement storage bin 2 and a chelating agent storage tank 3, and the discharging opening of described Double shaft stirring formula mixer connects a single lead screw ex truding briquetting machine 11, and the discharging opening of single lead screw ex truding briquetting machine connects a belt conveyor 12.
Between the charging aperture of described Double shaft stirring formula mixer 10 and described chelating agent storage tank, be provided with a measuring pump 4 and a dynamic valve 8.
Between the charging aperture of described Double shaft stirring formula mixer 10 and described cement storage bin, be provided with a star valve 5.
Between the charging aperture of described Double shaft stirring formula mixer 10 and described flying dust storage bin, be provided with a friction feeding machine 7, described friction feeding machine drives by a motor 6.
Also comprise a water pump 9, water is sent to described Double shaft stirring formula mixer by described water pump.
Flying dust, cement from upstream feed bin in the present invention pass through automatic weighing feeding, ratio adds the body of Double shaft stirring formula mixer on request, drive and have the paddle of special shape and angle to stir by main shaft, simultaneously by liquid injection apparatus on request ratio spray into the intercalating agent solution after emulsification, under the drive of stirring at paddle, multiple granular material and liquid-containing binder fully mix, and reach after well-mixed requirement, discharge by feed opening the kneaded and formed machine that enters.Material is fully mediated and compacting in kneaded and formed machine, is extruded moulding by die template, is transported to rickyard through belt conveyor, and health is buried after solidifying.
In the present invention after municipal solid wastes waste incineration flying dust and slag by pinching mixer and cement, chelating agent and water are uniformly mixed according to a certain percentage, requirement of strength according to landfill yard to admission solid waste, adopts direct landfill or increases landfill after solidification intensity by forming machine; According to curing process route, determine and adopt the basic equipment such as flying dust feed bin (or slag feed bin), cement silo, chelating agent feed bin and conveying equipment, measuring fixed amount equipment, mixing apparatus, former to form and equipment flowsheet; Fully mix with water by chelating agent, then according to heavy metal in solid waste Ji the content of bioxin, determine the adding proportion of chelating agent and cement, after guaranteeing to solidify, nuisance content meets relevant national standard; By pressure forming machine, flying dust or slag are applied to the shaping of pressure external force, and improve solidification intensity; Solidify after material through health solidify reach standard of landfill after admission landfill.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a municipal refuse incineration power flyash curing equipment, it is characterized in that, comprise a twin shaft stirring-type mixer, the charging aperture of described Double shaft stirring formula mixer connects respectively a flying dust storage bin, a cement storage bin and a chelating agent storage tank, and the discharging opening of described Double shaft stirring formula mixer connects a single lead screw ex truding briquetting machine, and the discharging opening of described single lead screw ex truding briquetting machine connects a belt conveyor.
2. municipal refuse incineration power flyash curing equipment according to claim 1, is characterized in that, between the charging aperture of described Double shaft stirring formula mixer and described chelating agent storage tank, is provided with a measuring pump and a dynamic valve.
3. municipal refuse incineration power flyash curing equipment according to claim 1, is characterized in that, between the charging aperture of described Double shaft stirring formula mixer and described cement storage bin, is provided with a star valve.
4. municipal refuse incineration power flyash curing equipment according to claim 1, is characterized in that, between the charging aperture of described Double shaft stirring formula mixer and described flying dust storage bin, is provided with a friction feeding machine.
5. municipal refuse incineration power flyash curing equipment according to claim 4, is characterized in that, described friction feeding machine is by a driven by motor.
6. according to the municipal refuse incineration power flyash curing equipment described in any one in claim 1 to 5, it is characterized in that, also comprise a water pump, water is sent to described Double shaft stirring formula mixer by described water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067287.5A CN104028528A (en) | 2013-03-04 | 2013-03-04 | Solidification apparatus for fly ash produced in power generation through burning of municipal waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310067287.5A CN104028528A (en) | 2013-03-04 | 2013-03-04 | Solidification apparatus for fly ash produced in power generation through burning of municipal waste |
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| CN104028528A true CN104028528A (en) | 2014-09-10 |
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| CN201310067287.5A Pending CN104028528A (en) | 2013-03-04 | 2013-03-04 | Solidification apparatus for fly ash produced in power generation through burning of municipal waste |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492790A (en) * | 2014-12-18 | 2015-04-08 | 无锡雪浪环境科技股份有限公司 | Fly ash curing treatment system |
| CN105478449A (en) * | 2016-01-07 | 2016-04-13 | 浙江泰来环保科技有限公司 | Garbage incineration fly ash curing system |
| CN105642653A (en) * | 2016-01-08 | 2016-06-08 | 四川方大新型建材科技开发有限责任公司 | System and method for treating household garbage incineration fly ash as harmless resource |
| CN109745653A (en) * | 2019-01-04 | 2019-05-14 | 南京鑫豪高分子材料有限公司 | A kind of secondary sequestering system |
| CN110252775A (en) * | 2019-07-09 | 2019-09-20 | 三门踱哒环保设备有限公司 | A kind of incineration of refuse flyash processing unit |
| CN113102450A (en) * | 2021-03-31 | 2021-07-13 | 湖南军信环保股份有限公司 | Method for treating and safely burying waste incineration fly ash |
| CN113877925A (en) * | 2021-10-19 | 2022-01-04 | 淄博市博山齿轮厂 | Fly ash solidification method and solidification device |
| CN114210691A (en) * | 2021-12-24 | 2022-03-22 | 宁夏宏德环境科技有限公司 | Industrial solid waste treatment device and treatment method thereof |
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| JP2000218300A (en) * | 1999-01-27 | 2000-08-08 | Taiheiyo Cement Corp | Treatment method and transporting method of organic matter-containing sludge and cement clinker burning starting material using the organic matter-containing sludge |
| JP2006016217A (en) * | 2004-06-30 | 2006-01-19 | Lay Corporation:Kk | General waste incineration ash regenerated aggregate and its production method |
| CN201205420Y (en) * | 2008-05-08 | 2009-03-11 | 常熟日新机械有限公司 | Fly-ash solidification system |
| CN101644437A (en) * | 2009-08-17 | 2010-02-10 | 江苏亿金环保设备工程有限公司 | Flue gas purifying system and method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492790A (en) * | 2014-12-18 | 2015-04-08 | 无锡雪浪环境科技股份有限公司 | Fly ash curing treatment system |
| CN104492790B (en) * | 2014-12-18 | 2017-08-04 | 无锡雪浪环境科技股份有限公司 | A kind of flyash curing processing system |
| CN105478449A (en) * | 2016-01-07 | 2016-04-13 | 浙江泰来环保科技有限公司 | Garbage incineration fly ash curing system |
| CN105642653A (en) * | 2016-01-08 | 2016-06-08 | 四川方大新型建材科技开发有限责任公司 | System and method for treating household garbage incineration fly ash as harmless resource |
| CN109745653A (en) * | 2019-01-04 | 2019-05-14 | 南京鑫豪高分子材料有限公司 | A kind of secondary sequestering system |
| CN110252775A (en) * | 2019-07-09 | 2019-09-20 | 三门踱哒环保设备有限公司 | A kind of incineration of refuse flyash processing unit |
| CN113102450A (en) * | 2021-03-31 | 2021-07-13 | 湖南军信环保股份有限公司 | Method for treating and safely burying waste incineration fly ash |
| CN113877925A (en) * | 2021-10-19 | 2022-01-04 | 淄博市博山齿轮厂 | Fly ash solidification method and solidification device |
| CN114210691A (en) * | 2021-12-24 | 2022-03-22 | 宁夏宏德环境科技有限公司 | Industrial solid waste treatment device and treatment method thereof |
| CN114210691B (en) * | 2021-12-24 | 2023-02-21 | 宁夏宏德环境科技有限公司 | Industrial solid waste treatment device and treatment method thereof |
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Application publication date: 20140910 |
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