CN102652950A - Garbage burning fly ash solidification treatment system for continuous dry-wet component mixed compaction molding - Google Patents
Garbage burning fly ash solidification treatment system for continuous dry-wet component mixed compaction molding Download PDFInfo
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- CN102652950A CN102652950A CN2012100515460A CN201210051546A CN102652950A CN 102652950 A CN102652950 A CN 102652950A CN 2012100515460 A CN2012100515460 A CN 2012100515460A CN 201210051546 A CN201210051546 A CN 201210051546A CN 102652950 A CN102652950 A CN 102652950A
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Abstract
The invention discloses a garbage burning fly ash solidification treatment system for continuous dry-wet component mixed compaction molding, belonging to the field of environmental engineering. The treatment system comprises a dry type stirrer, a wet type stirrer, a spiral scale, a solidified material buffering storage bin and a compaction apparatus, wherein garbage burning fly ash and a curing agent are thoroughly mixed together in the dry stirrer so that the curing agent is in full contact with fly ash particles; a stabilizer spray adding device is arranged on the top of the wet type stirrer in an operating direction, thereby realizing the thorough mixing of the mixed powdery material and a stabilizer and overcoming the shortcoming of layering and diluting of a solvent in the powdery material; besides, a die and the compaction apparatus are combined to carry out compaction molding on the evenly mixed fly ash wet material, thus the safety of storing the fly ash solidified blocks is effectively improved, pore water in the fly ash solidified blocks is reduced and the activity of heavy metals is reduced; moreover, the fly ash solidified blocks have long-term stability in a sanitary landfill and can be embedded in the common sanitary landfill.
Description
Technical field
The invention discloses the wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of a kind of continuous dry, belong to field of environment engineering.
Background technology
The economic develop rapidly of China, component of refuse are complicated day by day, and land resource is unprecedentedly nervous, and the waste reduction disposal is urgent very strong.The rise of a large amount of garbage incinerating power plants is that enormous function has been brought into play in the garbage disposal and the utilization of resources; But meanwhile; Waste incineration has produced a large amount of flying dusts, and the heavy metal and the compound thereof that particularly are rich in flying dust have brought serious threat for town dweller's health and ecological environment security.In the incineration of refuse flyash enrichment high concentration and the heavy metal that be prone to leach; Be regarded as danger wastes; Should get into the danger wastes landfill yard handles; Yet China's most of areas is limited by land resource and regional development, and the supporting enforcement of danger wastes landfill disposal is difficult to satisfy the huge incineration of refuse flyash landfill of quantity.For this reason, according to the regulation of GB16889-2008 " incineration of refuse flyash is treated reach after the requirement of house refuse sanitary filling field can at the landfill of sanitary filling field ", at present, incineration of refuse flyash adopts the method for disposal of solidifying the back sanitary landfills mostly.
Present stage, the incineration of refuse flyash of China is disposed Binder Materials and the inorganic chemistry medicaments such as cement, lime of adopting more, and along with updating of material, organic polymer stabilizing agents such as heavy metal chelant progressively get into the incineration of refuse flyash treatment process.And the flying dust disposing technique that most garbage incinerating power plant adopts is very coarse simple, and particularly whipping process and forming process otherness are bigger, thereby causes in the flying dust activity stabilizedization of heavy metal effect circumstances totally different.
Heavy metal mainly is divided into and is adsorbed in dust granules surface and parcel and the dust granules in the incineration of refuse flyash, realize the stabilization processes of heavy metal, the cementation of necessary reinforcement Binder Materials, stabilizing agent and flying dust.And according to the investigation of the garbage incinerating power plant stabilizing fly ash disposal system of domestic existing operation, flying dust is prone to conglomeration in the stabilization processes process, thereby it is very difficult to cause flying dust and curing agent, stabilizing agent etc. to mix.This not only causes a large amount of wastes of curing agent and stabilizing agent, and in the fly ash granule of conglomeration, heavy metal is unrealized stable and is reduced toxicity, thereby causes having left over for the stabilization processes of flying dust the potential risk of secondary pollution.In addition, according to the requirement of GB16889-2008, flying dust is treated can to get into sanitary filling field after up to standard, but according to landfill yard operation maintenance data, the flyash curing body not have the form of fixing if packing is lower.This not only can cause heavy metal leaching amount high, also can cause solidifying the flying dust migration, thereby influence the landfill yard operation.Therefore, improve the stabilizing fly ash treatment effeciency, must realize flying dust and curing agent and stabilizing agent evenly mix, moulding and a packing key technology difficult problem.Flying dust consolidation process of the present invention system has solved an above-mentioned difficult problem.
Summary of the invention
To above-mentioned existing problems; The object of the present invention is to provide and a kind ofly have and work continuously to the processing of incineration of refuse flyash safety and stability; The mixing of materials uniformity is high, and the solidifying substance moulding is more consistent, the wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of the continuous dry that the firming body packing is high; To achieve these goals, its technical solution is:
The wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of a kind of continuous dry, the consolidation process system prepares case, the slow storage tank of stabilizing agent, curing agent feed bin, flying dust feed bin, first spiral metering scale, second spiral metering scale, dry type mixer, wet mixer, the slow warehouse of solidifying substance, tapping equipment, the concentrated control panel of PLC and mould by stabilizing agent and forms.The curing agent feed bin is connected with first spiral metering scale through pipeline, connects pipeline and is provided with the first electronic discharge valve, and the flying dust feed bin is connected with second spiral metering scale through pipeline; Connect pipeline and be provided with the second electronic discharge valve, the upper end of dry type mixer is provided with flying dust charging aperture and curing agent charging aperture, and the lower end of dry type mixer is provided with discharging opening; The curing agent charging aperture is between flying dust charging aperture and discharging opening, and the top of wet mixer is provided with charging aperture and along the even nozzle of arranging of traffic direction, discharging opening is connected with the charging aperture pipeline; The bottom of wet mixer is provided with discharging opening; Nozzle is located between charging aperture and the discharging opening, and discharging opening is connected with the slow warehouse pipeline of solidifying substance, and stabilizing agent prepares case and is connected with the slow storage tank pipeline of stabilizing agent; Pipeline is provided with first delivery pump; Stabilizing agent prepares and is provided with first agitating device in the case, and the slow storage tank of stabilizing agent is connected with nozzle pipe with adjusting control valve through second delivery pump, and adjusting control valve is arranged between second delivery pump and the nozzle; Be provided with the overflow pipe that is connected the slow storage tank of stabilizing agent between second delivery pump and the adjusting control valve; The discharging opening of the slow warehouse of solidifying substance be positioned at tapping equipment directly over, the discharging opening pipeline of the slow warehouse of solidifying substance is provided with the 3rd electronic discharge valve, tapping equipment is positioned at the below of the slow warehouse discharging opening of solidifying substance.The slow warehouse discharging opening of solidifying substance is to the height of the spacing between the tapping equipment greater than mould.
Second agitating device, first delivery pump and second delivery pump, adjusting control valve, first spiral metering scale, second spiral metering scale, dry type mixer, wet mixer, the equal lead of tapping equipment that the described first electronic discharge valve, the second electronic discharge valve, the 3rd electronic discharge valve, stabilizing agent prepare on the slow storage tank of first agitating device, stabilizing agent on the case are connected to the concentrated control panel of PLC.
The emitted dose of nozzle that is arranged on the top of wet mixer reduces along traffic direction step by step.
Owing to adopted above technical scheme; The wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of a kind of continuous dry of the present invention; Adopt the instantaneous adjusting of proportioning of spiral metering scale and flow regulating and controlling valve and PLC control panel, realize working continuously and dynamic adjustments of material proportion the material of flying dust, curing agent and stabilizing agent liquor; Flying dust and curing agent are realized stirring in advance through the dry type mixer, realize that curing agent and flying dust fully mix; Nozzles spray stabilizing agent liquor is set at the wet mixer top; And reduce the emitted dose of nozzle step by step along the mixer traffic direction, can realize that the compound of flying dust and curing agent and stabilizing agent liquor fully mix and stir, and prevent that the stabilizing agent liquor from reducing because of the pulvis stepwise dilution causes concentration; Thereby influence the heavy metal stabilization effect; In addition, the emitted dose that reduces nozzle step by step is to save stabilizing agent liquor use amount, thereby saves processing cost; Adopt unified mould and tapping equipment moulding, unified the moulding specification of flyash curing body, improved the packing of flyash curing body, leach probability, reduced influence the relevant operation of sanitary filling field thereby further reduced heavy metal.
Description of drawings:
Accompanying drawing is the wet incineration of refuse flyash consolidation process system schematic of dividing mixed jolt ramming moulding of a kind of continuous dry of the present invention.
The specific embodiment
The incineration of refuse flyash consolidation process system that a kind of continuous dry is wet to divide mixed jolt ramming moulding by stabilizing agent prepare case 1, the slow storage tank 3 of stabilizing agent, curing agent feed bin 6, flying dust feed bin 7, first spiral metering scale 8, second spiral metering scale 9, dry type mixer 10, wet mixer 15, the slow warehouse 18 of solidifying substance, tapping equipment 20, PLC concentrates control panel and mould 19 to form.
Curing agent feed bin 6 is connected with first spiral metering scale 8 through pipeline; Connect pipeline and be provided with the first electronic discharge valve; Flying dust feed bin 7 is connected with second spiral metering scale 9 through pipeline; Connect pipeline and be provided with the second electronic discharge valve, first spiral metering scale 8 and second spiral metering scale 9 are respectively applied for the quality of dynamic measuring curing agent and flying dust, and the first electronic discharge valve and the second electronic discharge valve are used to control discharging.
The upper end of dry type mixer 10 is provided with flying dust charging aperture 12 and curing agent charging aperture 11; The lower end of dry type mixer 10 is provided with discharging opening 13; Curing agent charging aperture 11 is between flying dust charging aperture 12 and discharging opening 13; After flying dust and curing agent powder get into dry type mixer 10 synchronously, both are mixed through dry type mixer 10.
Discharging opening 13 is connected with charging aperture 14 pipelines; The nozzle 16 that the top of wet mixer 15 is provided with charging aperture 14 and evenly arranges along traffic direction; The bottom of wet mixer 15 is provided with discharging opening 17; Nozzle 16 is located between charging aperture 14 and the discharging opening 17, and the emitted dose of nozzle 16 reduces along wet mixer 15 traffic directions step by step.The mixed powder of flying dust and curing agent and stabilizing agent liquor get into wet mixer 15 synchronously; Nozzle 16 is used to spray the stabilizing agent liquor; Traffic direction sprinkling along wet mixer 15 is also successively decreased step by step; Have and save material and ensure that flying dust is consistent with the concentration of stabilizing agent reaction, the heavy metal stabilization better effects if.
Stabilizing agent prepares slow storage tank 3 pipelines of case 1 and stabilizing agent and is connected, and pipeline is provided with first delivery pump 2, and stabilizing agent prepares and is provided with first agitating device in the case 1, and first agitating device is used to prevent solvent deposition, the uniformity of increase solution.The slow storage tank 3 of stabilizing agent is connected with nozzle 16 pipelines with adjusting control valve 5 through second delivery pump 4; Adjusting control valve 5 is arranged between second delivery pump 4 and the nozzle 16; Be provided with the overflow pipe that is connected the slow storage tank 3 of stabilizing agent between second delivery pump 4 and the adjusting control valve 5; Stabilizing agent prepares case 1 and is used for preparation steady concentration agent liquor is set, and the slow storage tank 3 of stabilizing agent is used for the stabilizing agent liquor that buffer memory prepares, and adjusting control valve 5 is used to control the consumption of stabilizing agent liquor.
Discharging opening 17 is connected with slow warehouse 18 pipelines of solidifying substance; The discharging opening of the slow warehouse 18 of solidifying substance be positioned at tapping equipment 20 directly over; The discharging opening pipeline of the slow warehouse 18 of solidifying substance is provided with the 3rd electronic discharge valve, and slow warehouse 18 discharging openings of solidifying substance are to the height of the spacing between the tapping equipment 20 greater than mould 19.Mould 19 is seated on the tapping equipment 20.The flyash curing material is temporarily deposited at the slow warehouse 18 of solidifying substance; Back discharging is to filling full mould 19; Tapping equipment 20 work synchronously after the solidifying substance jolt ramming, adopt fork truck that mould and solidifying substance are moved to 1～7 day aftershaping of system placement location maintenance the flyash curing material vibratory compaction in the mould 19.
Curing agent feed bin 6, flying dust feed bin 7, stabilizing agent prepare case 1, the slow storage tank 3 of stabilizing agent and the slow warehouse 18 of solidifying substance and are provided with fill level radar and warning device.
The described first electronic discharge valve that is arranged on the curing agent feed bin 6; Be arranged on the second electronic discharge valve on the flying dust feed bin 7; Be arranged on the 3rd electronic discharge valve on the slow warehouse 18 of solidifying substance; Stabilizing agent prepares first agitating device on the case 1; Second agitating device on the slow storage tank 3 of stabilizing agent; First delivery pump 2 and second delivery pump 4; Adjusting control valve 5; First spiral metering scale 8; Second spiral metering scale 9; Dry type mixer 10; Wet mixer 15; Tapping equipment 20 equal leads are connected to PLC and concentrate control panel.PLC concentrate control panel to be used to control the work of electrical equipment and close, the measuring equipment data-signal shows and control command is carried out.
Concrete working method is:
PLC concentrates control panel design curing agent and flying dust proportioning; And commander opens the first electronic discharge valve and second electronic discharge valve difference discharging curing agent and the flying dust; The quality that first spiral metering scale 8 and second spiral metering scale 9 measure curing agent and flying dust respectively; And feedback information concentrated control panel to PLC, and the aperture of concentrating control panel to regulate the first electronic discharge valve and the second electronic discharge valve through PLC, thus realize that proportioning is accurate.
Stabilizing agent prepares case 1 and is used to prepare the stabilizing agent liquor, and the stabilizing agent liquor for preparing is pumped into the slow storage tank 3 of stabilizing agent through first delivery pump 2.
After curing agent and flying dust get into dry type mixer 10; Dry type mixer 10 mixes formation mixed powder and conveying with curing agent and flying dust; Discharging opening 13 through dry type mixer 10 gets into wet mixer 15; Synchronously PLC concentrates control panel to indicate second delivery pump 4 to carry the stabilizing agent liquors to nozzle and be sprayed onto in the wet mixer 15, and adjusting control valve 5 is regulated the flow of restriction stabilizing agent liquors, overflow pipe with second delivery pump 4 pump more than liquor pass back into stabilizing agent and delay in the storage tank 3.
Mixed powder fully mixes with the stabilizing agent liquor in wet mixer 15 and reacts; Discharging opening 17 through wet mixer 15 gets in the slow warehouse 18 of solidifying substance; After useful load reaches the volume of 1～3 mould 19 in the slow warehouse 18 of solidifying substance; PLC concentrates the 3rd electronic discharge valve work of the slow warehouse 18 of control panel indication solidifying substance to be dumped in the mould 19, indicates tapping equipment 20 work jolt rammings to be discharged into the flyash curing material in the mould 19 synchronously.After mould 19 is filled; The 3rd electronic discharge valve of the slow warehouse 18 of solidifying substance cuts out; The mould 19 that to fill the flyash curing material through fork truck is transported to formulation maintenance position; Fork truck is transported to empty mould 19 on the tapping equipment 20 afterwards, and is dumped into mould 19 through the 3rd electronic discharge valve work on the slow warehouse 18 of the concentrated control panel indication of PLC solidifying substance again.
Claims (3)
1. a continuous dry wets and divides the incineration of refuse flyash consolidation process system of mixed jolt ramming moulding; The consolidation process system prepares case (1), the slow storage tank (3) of stabilizing agent, curing agent feed bin (6), flying dust feed bin (7), first spiral metering scale (8), second spiral metering scale (9), dry type mixer (10), wet mixer (15), the slow warehouse (18) of solidifying substance, tapping equipment (20), the concentrated control panel of PLC and mould (19) by stabilizing agent and forms; It is characterized in that: curing agent feed bin (6) is connected with first spiral metering scale (8) through pipeline; Connect pipeline and be provided with the first electronic discharge valve; Flying dust feed bin (7) is connected with second spiral metering scale (9) through pipeline; Connect pipeline and be provided with the second electronic discharge valve; The upper end of dry type mixer (10) is provided with flying dust charging aperture (12) and curing agent charging aperture (11), and the lower end of dry type mixer (10) is provided with discharging opening (13), and curing agent charging aperture (11) is positioned between flying dust charging aperture (12) and the discharging opening (13); The nozzle (16) that the top of wet mixer (15) is provided with charging aperture (14) and evenly arranges along traffic direction; Discharging opening (13) is connected with charging aperture (14) pipeline, and the bottom of wet mixer (15) is provided with discharging opening (17), and nozzle (16) is located between charging aperture (14) and the discharging opening (17); Discharging opening (17) is connected with slow warehouse (18) pipeline of solidifying substance; Stabilizing agent prepares slow storage tank (3) pipeline of case (1) and stabilizing agent and is connected, and pipeline is provided with first delivery pump (2), and stabilizing agent prepares in the case (1) and is provided with first agitating device; Stabilizing agent delays storage tank (3) and is connected with nozzle (16) pipeline with adjusting control valve (5) through second delivery pump (4); Adjusting control valve (5) is arranged between second delivery pump (4) and the nozzle (16), is provided with the overflow pipe that is connected the slow storage tank (3) of stabilizing agent between second delivery pump (4) and the adjusting control valve (5), the discharging opening that solidifying substance delays warehouse (18) be positioned at tapping equipment (20) directly over; The discharging opening pipeline that solidifying substance delays warehouse (18) is provided with the 3rd electronic discharge valve, and tapping equipment (20) is positioned at the below of slow warehouse (18) discharging opening of solidifying substance.
2. like the wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of claims 1 described a kind of continuous dry, it is characterized in that: solidifying substance delays warehouse (18) discharging opening to the height of the spacing between the tapping equipment (20) greater than mould (19).
3. like the wet incineration of refuse flyash consolidation process system that divides mixed jolt ramming moulding of claims 1 described a kind of continuous dry, it is characterized in that: the equal lead of second agitating device, first delivery pump (2) and second delivery pump (4), adjusting control valve (5), first spiral metering scale (8), second spiral metering scale (9), dry type mixer (10), wet mixer (15), tapping equipment (20) that the described first electronic discharge valve, the second electronic discharge valve, the 3rd electronic discharge valve, stabilizing agent prepare on the slow storage tank (3) of first agitating device, stabilizing agent on the case (1) is connected to the concentrated control panel of PLC.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100515460A CN102652950A (en) | 2012-03-01 | 2012-03-01 | Garbage burning fly ash solidification treatment system for continuous dry-wet component mixed compaction molding |
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| CN2012100515460A CN102652950A (en) | 2012-03-01 | 2012-03-01 | Garbage burning fly ash solidification treatment system for continuous dry-wet component mixed compaction molding |
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Cited By (11)
| 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 |
| CN104874587A (en) * | 2015-05-27 | 2015-09-02 | 石狮市鸿峰环保生物工程有限公司 | System for treatment of fly ash from waste incineration |
| CN104889137A (en) * | 2015-05-20 | 2015-09-09 | 南通天蓝环保能源成套设备有限公司 | Large-scale fly ash stabilization solidification system |
| CN105921495A (en) * | 2016-06-12 | 2016-09-07 | 常熟市畅晟环保科技发展有限公司 | Household garbage incineration fly ash stabilizing treatment system |
| CN106313315A (en) * | 2016-10-22 | 2017-01-11 | 黄景珍 | Fly ash treatment system |
| CN106843004A (en) * | 2017-02-27 | 2017-06-13 | 绿色动力环保集团股份有限公司 | A kind of control circuit of flying dust treating system |
| CN107500696A (en) * | 2017-07-04 | 2017-12-22 | 成都秉德科技有限公司 | A kind of clinker recycle device after waste incineration |
| CN108478985A (en) * | 2018-06-05 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of stabilizing fly ash processing system and processing method |
| CN108555004A (en) * | 2018-06-19 | 2018-09-21 | 绍兴市上虞众联环保有限公司 | A kind of solidification workshop system |
| CN111516108A (en) * | 2020-04-22 | 2020-08-11 | 秦皇岛海涛万福集团有限公司 | Fly ash solidification equipment for funeral and interment places |
| CN114133972A (en) * | 2021-12-10 | 2022-03-04 | 河南北斗众创高新技术研究院有限公司 | Modular-assembled industrial flue gas solid waste material recycling device and operation method thereof |
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| CN202447357U (en) * | 2012-03-01 | 2012-09-26 | 武汉致衡环境安全工程技术有限公司 | Continuous dry and wet mixing, compacting and molding waste incineration fly ash solidification treatment system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN105921495A (en) * | 2016-06-12 | 2016-09-07 | 常熟市畅晟环保科技发展有限公司 | Household garbage incineration fly ash stabilizing treatment system |
| CN106313315A (en) * | 2016-10-22 | 2017-01-11 | 黄景珍 | Fly ash treatment system |
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| CN106843004A (en) * | 2017-02-27 | 2017-06-13 | 绿色动力环保集团股份有限公司 | A kind of control circuit of flying dust treating system |
| CN106843004B (en) * | 2017-02-27 | 2019-06-21 | 绿色动力环保集团股份有限公司 | A kind of control circuit of flying dust treating system |
| CN107500696A (en) * | 2017-07-04 | 2017-12-22 | 成都秉德科技有限公司 | A kind of clinker recycle device after waste incineration |
| CN108478985A (en) * | 2018-06-05 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of stabilizing fly ash processing system and processing method |
| CN108478985B (en) * | 2018-06-05 | 2023-09-08 | 江苏华本环境科技有限公司 | Fly ash stabilization treatment system and treatment method |
| CN108555004A (en) * | 2018-06-19 | 2018-09-21 | 绍兴市上虞众联环保有限公司 | A kind of solidification workshop system |
| CN111516108A (en) * | 2020-04-22 | 2020-08-11 | 秦皇岛海涛万福集团有限公司 | Fly ash solidification equipment for funeral and interment places |
| CN114133972A (en) * | 2021-12-10 | 2022-03-04 | 河南北斗众创高新技术研究院有限公司 | Modular-assembled industrial flue gas solid waste material recycling device and operation method thereof |
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Application publication date: 20120905 |