CN202015730U - Gelatinization, solidification and stabilization treatment system for waste incineration fly ash - Google Patents
Gelatinization, solidification and stabilization treatment system for waste incineration fly ash Download PDFInfo
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- CN202015730U CN202015730U CN2011200389007U CN201120038900U CN202015730U CN 202015730 U CN202015730 U CN 202015730U CN 2011200389007 U CN2011200389007 U CN 2011200389007U CN 201120038900 U CN201120038900 U CN 201120038900U CN 202015730 U CN202015730 U CN 202015730U
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Abstract
The utility model discloses a gelatinization, solidification and stabilization treatment system for waste incineration fly ash, which belongs to environmental engineering. The treatment system comprises a fly ash storing and metering device, a curing agent storing and metering device, a stabilizing agent storing and metering device and a uniform mixing and extruding granulation treatment device. Powder premixing and intense mixing are combined by the system to promote a stabilizing agent and a curing agent to be fully contacted with fly ash, thus, the gelatinization and solidification effect of the fly ash is enhanced; on the basis of a prestressing force strengthening principle and a chemical reaction balance principle, an intermittent metering mode is adopted by the treatment system to realize the accurate control of the use level of a material, and simultaneously, a roll shaft pair grinding granulation technology is introduced, and pressure is applied to enhance the effect of chemical reaction, thus, extruded particles perform the action of stabilizing heavy metals in the fly ash for a long time; the activity of the heavy metals in the incineration fly ash is greatly reduced; and stabilized products have long-term stability in sanitary landfills, meet the house refuse landfill pollution control standard and can be buried in common sanitary landfills.
Description
Technical field
The utility model discloses a kind of gelling stabilization by consolidation treatment system of incineration of refuse flyash, belong to the environmental project class.
Background technology
The economic develop rapidly of China, component of refuse are complicated day by day, and land resource is unprecedentedly nervous, and waste reduction disposal urgency is 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 easily leaches, be regarded as danger wastes, should enter the danger wastes landfill yard handles, yet, the most of area of China 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 enter the incineration of refuse flyash treatment process.And, the flying dust disposing technique that most garbage incinerating power plant adopts is very coarse simple, the main metering otherness that exists is big, mixing uniformity is poor, the proportioning of flying dust, curing agent, stabilizing agent and water is adjusted problems such as property difference, has simultaneously that water more than needed overflows concurrently and dust overflows etc. and to cause defectives such as secondary pollution is serious.Thereby fly-ash heavy metal stabilization effect and weatherability after causing handling are relatively poor.
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, therefore, realize the stabilization processes of heavy metal, the cementation of necessary reinforcement Binder Materials, stabilizing agent and flying dust.
Summary of the invention
At above-mentioned existing problems, the purpose of this utility model is to provide a kind of incineration of refuse flyash is carried out the pre-gelling stabilization by consolidation treatment system of handling with solid-liquid stirring and powerful granulation that stirs of pulvis, this flying dust treating system at the incineration of refuse flyash safety and stability processing have work continuously, measure accurately, advantages such as heavy metal stabilization is effective, non-secondary pollution, to achieve these goals, its technical solution is:
A kind of gelling stabilization by consolidation treatment system of incineration of refuse flyash, treatment system are by flying dust storage and metering device, curing agent storage and metering device, stabilizing agent storage and metering device, all mix and stir and the extruder grain treating apparatus is formed.Flying dust stores and metering device is made up of flying dust storage bin (1), flying dust measuring tank (7), the first high level controller (1b), the 4th high level controller (7a) and the first low level controller (1e), the 4th low level controller (7b), the first level alarm-high device (1c) and the first level alarm-low device (1d), first motor-operated control valve (4) and the 4th motor-operated control valve (10), incineration of refuse flyash storage bin (1) is connected with flying dust measuring tank (7) pipeline through first motor-operated control valve (4), and flying dust measuring tank (7) is connected with flow divider (13) pipeline through the 3rd motor-operated control valve (10); The top of flying dust storage bin (1) is provided with respirator (1a) and flying dust import, the sidewall upper of flying dust storage bin (1) is provided with the first high level controller (1b) and the first level alarm-high device (1c), the first high level controller (1b) is arranged on the top of the first level alarm-high device (1c) and is connected with the motor-operated control valve holding wire of incineration of refuse flyash import storage, the side wall lower ends of flying dust storage bin (1) is provided with the first level alarm-low device (1d) and the first low level controller (1e), and the first level alarm-low device (1d) is arranged between the first level alarm-high device (1c) and the first low level controller (1e); The sidewall upper of flying dust measuring tank (7) is provided with the 4th high level controller (7a), and the side wall lower ends of flying dust measuring tank (7) is provided with the 4th low level controller (7b); First motor-operated control valve (4) is connected with the 4th high level controller (7a) with the first low level controller (1e) respectively through holding wire, and the 3rd motor-operated control valve (10) is connected with the 4th low level controller (7b) holding wire;
Curing agent storage and metering device are by curing agent storage bin (2), curing agent measuring tank (8), the second high level controller (2b), the 5th high level controller (8a), the second low level controller (2e), the 5th low level controller (8b), the second level alarm-high device (2c), the second level alarm-low device (2d), second motor-operated control valve (5) and the 4th motor-operated control valve (11) are formed, curing agent storage bin (2) is connected with curing agent measuring tank (8) pipeline through second motor-operated control valve (5), and curing agent measuring tank (8) is connected with flow divider (13) pipeline through the 4th motor-operated control valve (11); The top of curing agent storage bin (2) is provided with respirator (2a) and curing agent import, the sidewall upper of curing agent storage bin (2) is provided with the second high level controller (2b) and the second level alarm-high device (2c), the second high level controller (2b) is arranged on the top of the second level alarm-high device (2c) and is connected with the motor-operated control valve holding wire of curing agent import department, the side wall lower ends of curing agent storage bin (2) is provided with the second level alarm-low device (2d) and the second low level controller (2e), and the second level alarm-low device (2d) is arranged between the second level alarm-high device (2c) and the second low level controller (2e); The sidewall upper of curing agent measuring tank (8) is provided with the 5th high level controller (8a), and the side wall lower ends of curing agent measuring tank (8) is provided with the 5th low level controller (8b); Second motor-operated control valve (5) is connected with the 5th high level controller (8a) with the second low level controller (2e) respectively through holding wire, and the 4th motor-operated control valve (11) is connected with the 5th low level controller (8b) holding wire;
Stabilizing agent stores and metering device is made up of stabilizing agent storage bin (3), stabilizing agent measuring tank (9), the 3rd high level controller (3a), the 6th high level controller (9a), the 3rd low level controller (3b), the 4th low level controller (9b), first high pressure control valve (6), second high pressure control valve (12), stabilizing agent storage bin (3) is connected with stabilizing agent measuring tank (9) pipeline through first high pressure control valve (6), and stabilizing agent measuring tank (9) is connected with flow divider (13) pipeline through second high pressure control valve (12); The top of stabilizing agent storage bin (3) is provided with the stabilizing agent import and the water source import of charged brake control valve, the 3rd high level controller (3a) be arranged on stabilizing agent storage bin (3) sidewall the upper end and be connected with the motor-operated control valve holding wire of stabilizing agent import and water source import department, the lower end of the sidewall of stabilizing agent storage bin (3a) is provided with the 3rd low level controller (3b), and the inside of stabilizing agent storage bin (3) is provided with blade paddle mixer (3c); The sidewall upper of stabilizing agent measuring tank (9) is provided with the 6th high level controller (9a), and the side wall lower ends of stabilizing agent measuring tank (9) is provided with the 6th low level controller (9b); First high pressure control valve (6) is connected with the 6th high level controller (9a) with the 3rd low level controller (3b) through holding wire, and second high pressure control valve (12) is connected with the 6th low level controller (9b) signal.
The extruder grain treating apparatus is made up of stone roller comminutor (16), conveyer (17), PLC console (15) all mixed mixer (14) of brute force, roll shaft, flow divider (13) is connected with the import that brute force is all mixed mixer (14), roll shaft to the import of grinding comminutor (16) be positioned at brute force all mix mixer (14) outlet under, roll shaft is provided with conveyer (17) to the outlet below of grinding comminutor (16);
First motor-operated control valve (4); second motor-operated control valve (5); the 3rd motor-operated control valve (10); the 4th motor-operated control valve (11); the 5th motor-operated control valve (19); first high pressure control valve (6); second high pressure control valve (12); the first high level controller (1b); the second high level controller (2b); the 3rd high level controller (3a); the 4th high level controller (7a); the 5th high level controller (8a); the 6th high level controller (9a), the 7th high level controller (18a); the first low level controller (1d); the second low level controller (2e); the 3rd low level controller (3b); the 4th low level controller (7b); the 5th low level controller (8b); the 6th low level controller (9b); the 7th low level controller (18b); the first level alarm-high device (1b); the second level alarm-high device (2b); the first level alarm-low device (1c); the second level alarm-low device (2c); brute force is all mixed mixer (14); roll shaft is to grinding comminutor (16); conveyer (17); mixer (3d) is connected to PLC console (15) by holding wire.The 3rd high level controller (7a), the 4th high level controller (8a), the 5th high level controller (9a) all can be set the control bit limit by PLC console (15).Conveyer (17) is in the airtight container, and the bottom of airtight container and the import of flying dust compound are provided with blast entrance with end, and the other end at the top of airtight container is provided with waste gas outlet.Flying dust in the flying dust measuring tank (7), the curing agent in the curing agent measuring tank (8) through flow divider (13) be introduced into brute force all mix mixer (14) stir reach powder do mix setting-up time after, the stabilizing agent solvent in the stabilizing agent measuring tank (9) enters brute force through flow divider (13) and all mixes mixer (14).On respirator (1a) and the respirator (2a) exhaust dust device with bag is installed.
Owing to adopted above technical scheme, the gelling stabilization by consolidation treatment system of a kind of incineration of refuse flyash of the present utility model adopts flying dust to store and metering device, curing agent stores and metering device, stabilizing agent stores and metering device, all mix and stir and the extruder grain treating apparatus, flying dust and curing agent have been realized, stabilizing agent fully reacts, and strengthened the gelling consolidation of flying dust, unite high level controller, material proportion is regulated in low level controller and the monitoring of PLC console, realize flying dust, curing agent, the proportioning of stabilizing agent is regulated, the consumption of curing agent and stabilizing agent and proportioning adjustment in the time of can satisfying the dynamic change of fly-ash heavy metal content, be applicable to different types of curing agent, the flyash curing technology of stabilizing agent etc. has higher adjustability and expansion.The top of storage bin is provided with respirator and exhaust dust device with bag, has avoided in the flying dust disposal process dust to overflow and has caused secondary pollution; Adopt high level controller and low level controller monitoring material level, realize the local process braking and start, simplify system's control operation; Adopt measuring tank metering flying dust, curing agent, stabilizing agent, thereby make batching metering more accurate, reduced the fixed mixing ratio error of flying dust gelling; Adopting brute force all to mix mixer elder generation enforcement pulvis stirs in advance, thereby guaranteed that flying dust fully contacts with curing agent, stabilizing agent is dissolved in waterside and adds stirring, can guarantee that again stabilizing agent fully contacts with flying dust, curing agent, thereby guarantee that heavy metals trapping is more complete, guaranteed the stabilization treatment effect of heavy metal in the flying dust; Adopt roll shaft to push the flying dust of all puddling after closing to grinding comminutor; can reduce space and the adhesion that promotes heavy metal particles and stabilizing agent and curing agent between fly ash granule; thereby guaranteed that the fly-ash heavy metal of gelling after fixed leaches the requirement that concentration satisfies the house refuse sanitary filling field, realizes sanitary landfills.
Description of drawings:
Accompanying drawing is the structural representation of the gelling stabilization by consolidation treatment system of incineration of refuse flyash of the present utility model.
The specific embodiment
Be described in detail below in conjunction with the gelling stabilization by consolidation treatment system of accompanying drawing a kind of incineration of refuse flyash of the present utility model:
See accompanying drawing.
A kind of gelling stabilization by consolidation treatment system of incineration of refuse flyash, treatment system are by flying dust storage and metering device, curing agent storage and metering device, stabilizing agent storage and metering device, all mix and stir and the extruder grain treating apparatus is formed.
Wherein, garbage flying ash stores and metering device is made up of flying dust storage bin 1, flying dust measuring tank 7, the first high level controller 1b, the 4th high level controller 7a and the first low level controller 1e, the 4th low level controller 7b, the first level alarm-high device 1c and the first level alarm-low device 1d, first motor-operated control valve 4 and the 4th motor-operated control valve 10, incineration of refuse flyash storage bin 1 is connected with flying dust measuring tank 7 pipelines through first motor-operated control valve 4, and flying dust measuring tank 7 is connected with flow divider 13 pipelines through the 3rd motor-operated control valve 10; The top of flying dust storage bin 1 is provided with respirator 1a and flying dust import, the sidewall upper of flying dust storage bin 1 is provided with the first high level controller 1b and the first level alarm-high device 1c, the first high level controller 1b is arranged on the top of the first level alarm-high device 1c and is connected with the motor-operated control valve holding wire of incineration of refuse flyash import storage, the side wall lower ends of flying dust storage bin 1 is provided with the first level alarm-low device 1d and the first low level controller 1e, and the first level alarm-low device 1d is arranged between the first level alarm-high device 1c and the first low level controller 1e; The sidewall upper of flying dust measuring tank 7 is provided with the 4th high level controller 7a, and the side wall lower ends of flying dust measuring tank 7 is provided with the 4th low level controller 7b; First motor-operated control valve 4 is connected with the 4th high level controller 7a with the first low level controller 1e respectively through holding wire, and the 3rd motor-operated control valve 10 is connected with the 4th low level controller 7b holding wire.
Flying dust storage bin 1 is used for slow storage flying dust, and when reaching the first level alarm-high device 1c desired location, alarm rings, and can close this moment by the motor-operated control valve of PLC console 15 indication flying dust storage bins 1 top flying dust import department, blocks flying dust and enter.If PLC console 15 is not carried out shutoff operation, when the flying dust reserves reached the desired location of the first high level controller 1b, the first high level controller 1b directly indicated the motor-operated control valve of flying dust storage bin 1 top flying dust import department to close, and blocks flying dust and enters.When flying dust entered, the dissipation of flying dust storage bin 1 air pressure inside was by being arranged on the respirator 1a at flying dust storage bin 1 top, and the exhaust dust device with bag that dust then is installed on the respirator 1a captures.
When the first level alarm-low device 1d was put in 1 blanking of flying dust storage bin, alarm rang and points out on PLC console 15 and close first motor-operated control valve 4, if PLC console 15 is not carried out this operation, continues blanking.When material level reached the desired location of the first low level controller 1e, the first low level controller 1e directly indication first motor-operated control valve 4 closed, and blocks the flying dust blanking, simultaneously, and prompting charging indication on PLC console 15.After flying dust entered in the flying dust measuring tank 7, when material level reached the desired location of the 4th high level controller 7a, the 4th high level controller 7a directly indication first motor-operated control valve 4 closed, and blocks blanking.After flying dust discharging in the flying dust measuring tank 7 reaches the desired location of the 4th low level controller 7b, the 4th low level controller 7b directly indication the 3rd motor-operated control valve 10 closes, block discharging, meanwhile the indication of opening first motor-operated control valve 4 to PLC console 15 feedbacks.
Wherein, curing agent stores and metering device is made up of curing agent storage bin 2, curing agent measuring tank 8, the second high level controller 2b, the 5th high level controller 8a, the second low level controller 2e, the 5th low level controller 8b, the second level alarm-high device 2c, the second level alarm-low device 2d, second motor-operated control valve 5 and the 4th motor-operated control valve 11, curing agent storage bin 2 is connected with curing agent measuring tank 8 pipelines through second motor-operated control valve 5, and curing agent measuring tank 8 is connected with flow divider 13 pipelines through the 4th motor-operated control valve 11; The top of curing agent storage bin 2 is provided with respirator 2a and curing agent import, the sidewall upper of curing agent storage bin 2 is provided with the second high level controller 2b and the second level alarm-high device 2c, the second high level controller 2b is arranged on the top of the second level alarm-high device 2c and is connected with the motor-operated control valve holding wire of curing agent import department, the side wall lower ends of curing agent storage bin 2 is provided with the second level alarm-low device 2d and the second low level controller 2e, and the second level alarm-low device 2d is arranged between the second level alarm-high device 2c and the second low level controller 2e; The sidewall upper of curing agent measuring tank 8 is provided with the 5th high level controller 8a, and the side wall lower ends of curing agent measuring tank 8 is provided with the 5th low level controller 8b; Second motor-operated control valve 5 is connected with the 5th high level controller 8a with the second low level controller 2e respectively through holding wire, and the 4th motor-operated control valve 11 is connected with the 5th low level controller 8b holding wire.
Curing agent storage bin 2 is used for slow storage curing agent solution, and when reaching the second level alarm-high device 2c desired location, alarm rings, and can close this moment by the motor-operated control valve of PLC console 15 indication curing agent storage bins 2 top curing agent import departments, blocks curing agent and enter.If PLC console 15 is not carried out shutoff operation, when the curing agent reserves reached the desired location of the second high level controller 2b, the second high level controller 2b directly indicated the motor-operated control valve of curing agent storage bin 2 top flying dust import departments to close, and blocks curing agent and enters.When curing agent entered, the dissipation of curing agent storage bin 2 air pressure inside was by being arranged on the respirator 2a at curing agent storage bin 2 tops, and the exhaust dust device with bag that dust then is installed on the respirator 2a captures.
During curing agent storage bin 2 blanking to the second level alarm-low device 2d, alarm rings and points out on PLC console 15 and close second motor-operated control valve 5, if PLC console 15 is not carried out this operation, continues blanking.When material level reached the second low level controller 2e desired location, the second low level controller 2e directly indication second motor-operated control valve 5 closed, and blocks the curing agent blanking, simultaneously, and prompting charging indication on PLC console 15.After curing agent entered in the curing agent measuring tank 8, when material level reached the desired location of the 5th high level controller 8a, the 5th high level controller 8a directly indication second motor-operated control valve 5 closed, and blocks blanking.After curing agent discharging in the curing agent measuring tank 8 reaches the desired location of the 5th low level controller 8b, the 5th low level controller 8b directly indication the 4th motor-operated control valve 11 closes, block discharging, meanwhile the indication of opening second motor-operated control valve 5 to PLC console 15 feedbacks.
Wherein, stabilizing agent stores and metering device is made up of stabilizing agent storage bin 3, stabilizing agent measuring tank the 9, the 3rd high level controller 3a, the 6th high level controller 9a, the 3rd low level controller 3b, the 4th low level controller 9b, first high pressure control valve 6, second high pressure control valve 12, stabilizing agent storage bin 3 is connected with stabilizing agent measuring tank 9 pipelines through first high pressure control valve 6, and stabilizing agent measuring tank 9 is connected with flow divider 13 pipelines through second high pressure control valve 12; The top of stabilizing agent storage bin 3 is provided with the stabilizing agent import and the water source import of charged brake control valve, the 3rd high level controller 3a be arranged on stabilizing agent storage bin 3 sidewall the upper end and be connected with the motor-operated control valve holding wire of stabilizing agent import and water source import department, the lower end of the sidewall of stabilizing agent storage bin 3a is provided with the 3rd low level controller 3b, and the inside of stabilizing agent storage bin 3 is provided with blade paddle mixer 3c; The sidewall upper of stabilizing agent measuring tank 9 is provided with the 6th high level controller 9a, and the side wall lower ends of stabilizing agent measuring tank 9 is provided with the 6th low level controller 9b; First high pressure control valve 6 is connected with the 6th high level controller 9a with the 3rd low level controller 3b through holding wire, and second high pressure control valve 12 is connected with the 6th low level controller 9b signal.
Stabilizing agent storage bin 3 is used to mix thoroughly stabiliser solution or pulvis, when liquid level reaches the desired location of the 3rd high level controller 3a, the 3rd high level controller 3a directly indicates the motor-operated control valve at stabilizing agent storage bin 3 top stabilizing agents and water inlet place to close, and blocks stabilizing agent and water enters.Simultaneously, the blade paddle mixer 3c work in the stabilizing agent storage bin 3, stabilizing agent and water mix is even.
When level controller 3b desired location was hanged down in 3 blankings to the three of stabilizing agent storage bin, the 3rd low level controller 3b directly indication first high pressure control valve 6 closed, and blocks the stabiliser solution blanking, and simultaneously, the prompting charging is indicated on PLC console 15.After stabiliser solution entered in the stabilizing agent measuring tank 9, when material level reached the desired location of the 6th high level controller 9a, the 6th high level controller 9a directly indication first high pressure control valve 6 closed, and blocks blanking.After stabiliser solution discharging in the stabilizing agent measuring tank 9 reaches the desired location of the 6th low level controller 9b, the 6th low level controller 9b directly indication second high pressure control valve 12 closes, block discharging, meanwhile the indication of opening first high pressure control valve 6 to PLC console 15 feedbacks.
Wherein, the extruder grain treating apparatus is made up of stone roller comminutor 16, conveyer 17, PLC console 15 all mixed mixer 14 of brute force, roll shaft; flow divider 13 is connected with the powerful import that all mixes mixer 14; roll shaft to the import of grinding comminutor 16 be positioned at the powerful outlet that all mixes mixer 14 under, roll shaft is provided with conveyer 17 to the outlet below of grinding comminutor 16.
First motor-operated control valve 4; second motor-operated control valve 5; the 3rd motor-operated control valve 10; the 4th motor-operated control valve 11; the 5th motor-operated control valve 19; first high pressure control valve 6; second high pressure control valve 12; the first high-order control 1b; the second high level controller 2b; the 3rd high level controller 3a; the 4th high level controller 7a; the 5th high level controller 8a; the 6th high level controller 9a, the 7th high level controller 18a; the first low level controller 1d; the second low level controller 2e; the 3rd low level controller 3b; the 4th low level controller 7b; the 5th low level controller 8b; the 6th low level controller 9b; the 7th low level controller 18b; the first level alarm-high device 1b; the second level alarm-high device 2b; the first level alarm-low device 1c; the second level alarm-low device 2c; brute force is all mixed mixer 14; roll shaft is to grinding comminutor 16; conveyer 17; mixer 3d all is connected to PLC console 15.The 3rd high level controller 7a, the 4th high level controller 8a, the 5th high level controller 9a all can set the control bit limit by PLC console 15.
Conveyer 17 is in the airtight container, and the bottom of airtight container and the import of flying dust compound are provided with blast entrance with end, and the other end at the top of airtight container is provided with waste gas outlet.
Curing agent in flying dust in the flying dust measuring tank 7, the curing agent measuring tank 8 through flow divider 13 be introduced into brute force all mix mixer 14 stir reach powder do mix setting-up time after, the stabilizing agent solvents in the stabilizing agent measuring tank 9 enter brute force through flow divider 13 and all mix mixer 14.On respirator 1a and the respirator 2a exhaust dust device with bag is installed.
Curing agent in flying dust in the flying dust measuring tank 7 and the curing agent measuring tank 8 enters the brute force that stirs duty through flow divider 13 and all mixes mixer 14; at this moment; the agitating device that is arranged on flow divider 13 discharge ends carries out first mix to flying dust and curing agent; curing agent in flying dust in the flying dust measuring tank 7 and the curing agent measuring tank 8 all enters brute force according to set amount and all mixes in the mixer 14; after stirring reaches the dried mixed stirring setting-up time of powder; the powerful indication that all mixes mixer 14 feedback unlatchings second high pressure control valve 12; and open through PLC console 15 indication second high pressure control valve 12; carry out the stabiliser solution blanking and enter all mixed mixer 14 of brute force through flow divider 13; after stabiliser solution all enters all mixed mixer 14 of brute force according to set amount in the stabilizing agent measuring tank 9; after stirring reaches the setting-up time of solid-liquid mixing stirring; brute force is all mixed mixer 14 to the 15 feedback discharging promptings of PLC console, and is carried out blanking work and started roll shaft to grinding comminutor 16 enforcement extruder grains by all mixed mixer 14 of PLC console 15 indication brute forces.After all mixed mixer 14 blankings of brute force are finished, carry out the stirring workflow to feedback PLC console 15 information and by the indication of PLC console.
Roll shaft is finished the back to quit work information and quit work by 15 indications of PLC console and execution of PLC console 15 feedbacks to grinding comminutor 16 granulations.Through roll shaft the granule that grinds comminutor 16 granulations formation is fallen on the conveyer 17 that is in the airtight container; be conveyed into the appointed place; meanwhile; the bottom of airtight container and the import of flying dust compound are provided with blast entrance with end; the air blast of changes in temperature air blast can be installed, can provide air stream outlet and the other end at the top of airtight container is provided with waste gas outlet.
The flying dust mixture particle of carrying has two kinds of outlets, is carried out by 15 controls of PLC console, and one is that direct discharging is to haulage vehicle; Its two, particle enters flying dust mixing pellet storage bin 18 and temporarily stores, and is transported by haulage vehicle.The sidewall upper and lower side of flying dust mixing pellet storage bin 18 is respectively arranged with the 7th high level controller 18a and the 7th low level controller 18b.The 7th high level controller 18a is used to control the reserves in the flying dust mixing pellet storage bin 18, prescribe a time limit in the setting position that reaches the 7th high level controller 18a, the 7th high level controller 18a starts the information of the 5th motor-operated control valve 19 to PLC console 15 feedbacks, and, realize blanking by the 19 execution unlatchings of PLC console 15 indications the 5th motor-operated control valve.And prescribe a time limit when flying dust mixing pellet storage bin 18 interior reserves reach the 7th setting position of hanging down level controller 18b, the 7th low level controller 18b directly indicates 19 execution of the 5th motor-operated control valve to close, and feeds back the 5th motor-operated control valve 19 closing informations.Incineration of refuse flyash is delivered to the sanitary landfills landfill through the pellet of gelling stabilization by consolidation treatment system moulding by means of transport 20.
The curing agent that is used for the gelling stabilization by consolidation treatment system of incineration of refuse flyash can adopt Binder Materials such as cement, lime, HAS; Stabilizing agent can adopt chemical agent or heavy metal chelant.
Claims (3)
1. the gelling stabilization by consolidation treatment system of an incineration of refuse flyash, comprise that flying dust stores and metering device, curing agent stores and metering device, stabilizing agent stores and metering device, all mix and stir and the extruder grain treating apparatus, flying dust storage and metering device are by flying dust storage bin (1), flying dust measuring tank (7), the first high level controller (1b), the 4th high level controller (7a) and the first low level controller (1e), the 4th low level controller (7b), the first level alarm-high device (1c) and the first level alarm-low device (1d), first motor-operated control valve (4) and the 4th motor-operated control valve (10) are formed, incineration of refuse flyash storage bin (1) is connected with flying dust measuring tank (7) pipeline through first motor-operated control valve (4), and flying dust measuring tank (7) is connected with flow divider (13) pipeline through the 3rd motor-operated control valve (10); The top of flying dust storage bin (1) is provided with respirator (1a) and flying dust import, the sidewall upper of flying dust storage bin (1) is provided with the first high level controller (1b) and the first level alarm-high device (1c), the first high level controller (1b) is arranged on the top of the first level alarm-high device (1c) and is connected with the motor-operated control valve holding wire of incineration of refuse flyash import storage, the side wall lower ends of flying dust storage bin (1) is provided with the first level alarm-low device (1d) and the first low level controller (1e), and the first level alarm-low device (1d) is arranged between the first level alarm-high device (1c) and the first low level controller (1e); The sidewall upper of flying dust measuring tank (7) is provided with the 4th high level controller (7a), and the side wall lower ends of flying dust measuring tank (7) is provided with the 4th low level controller (7b); First motor-operated control valve (4) is connected with the 4th high level controller (7a) with the first low level controller (1e) respectively through holding wire, and the 3rd motor-operated control valve (10) is connected with the 4th low level controller (7b) holding wire; Curing agent storage and metering device are by curing agent storage bin (2), curing agent measuring tank (8), the second high level controller (2b), the 5th high level controller (8a), the second low level controller (2e), the 5th low level controller (8b), the second level alarm-high device (2c), the second level alarm-low device (2d), second motor-operated control valve (5) and the 4th motor-operated control valve (11) are formed, curing agent storage bin (2) is connected with curing agent measuring tank (8) pipeline through second motor-operated control valve (5), and curing agent measuring tank (8) is connected with flow divider (13) pipeline through the 4th motor-operated control valve (11); The top of curing agent storage bin (2) is provided with respirator (2a) and curing agent import, the sidewall upper of curing agent storage bin (2) is provided with the second high level controller (2b) and the second level alarm-high device (2c), the second high level controller (2b) is arranged on the top of the second level alarm-high device (2c) and is connected with the motor-operated control valve holding wire of curing agent import department, the side wall lower ends of curing agent storage bin (2) is provided with the second level alarm-low device (2d) and the second low level controller (2e), and the second level alarm-low device (2d) is arranged between the second level alarm-high device (2c) and the second low level controller (2e); The sidewall upper of curing agent measuring tank (8) is provided with the 5th high level controller (8a), and the side wall lower ends of curing agent measuring tank (8) is provided with the 5th low level controller (8b); Second motor-operated control valve (5) is connected with the 5th high level controller (8a) with the second low level controller (2e) respectively through holding wire, and the 4th motor-operated control valve (11) is connected with the 5th low level controller (8b) holding wire; Stabilizing agent stores and metering device is made up of stabilizing agent storage bin (3), stabilizing agent measuring tank (9), the 3rd high level controller (3a), the 6th high level controller (9a), the 3rd low level controller (3b), the 4th low level controller (9b), first high pressure control valve (6), second high pressure control valve (12), stabilizing agent storage bin (3) is connected with stabilizing agent measuring tank (9) pipeline through first high pressure control valve (6), and stabilizing agent measuring tank (9) is connected with flow divider (13) pipeline through second high pressure control valve (12); The top of stabilizing agent storage bin (3) is provided with the stabilizing agent import and the water source import of charged brake control valve, the 3rd high level controller (3a) be arranged on stabilizing agent storage bin (3) sidewall the upper end and be connected with the motor-operated control valve holding wire of stabilizing agent import and water source import department, the lower end of the sidewall of stabilizing agent storage bin (3a) is provided with the 3rd low level controller (3b), and the inside of stabilizing agent storage bin (3) is provided with blade paddle mixer (3c); The sidewall upper of stabilizing agent measuring tank (9) is provided with the 6th high level controller (9a), and the side wall lower ends of stabilizing agent measuring tank (9) is provided with the 6th low level controller (9b); First high pressure control valve (6) is connected with the 6th high level controller (9a) with the 3rd low level controller (3b) through holding wire, and second high pressure control valve (12) is connected with the 6th low level controller (9b) signal; The extruder grain treating apparatus is made up of stone roller comminutor (16), conveyer (17), PLC console (15) all mixed mixer (14) of brute force, roll shaft, flow divider (13) is connected with the import that brute force is all mixed mixer (14), roll shaft to the import of grinding comminutor (16) be positioned at brute force all mix mixer (14) outlet under, roll shaft is provided with conveyer (17) to the outlet below of grinding comminutor (16); First motor-operated control valve (4); second motor-operated control valve (5); the 3rd motor-operated control valve (10); the 4th motor-operated control valve (11); the 5th motor-operated control valve (19); first high pressure control valve (6); second high pressure control valve (12); the first high level controller (1b); the second high level controller (2b); the 3rd high level controller (3a); the 4th high level controller (7a); the 5th high level controller (8a); the 6th high level controller (9a), the 7th high level controller (18a); the first low level controller (1d); the second low level controller (2e); the 3rd low level controller (3b); the 4th low level controller (7b); the 5th low level controller (8b); the 6th low level controller (9b); the 7th low level controller (18b); the first level alarm-high device (1b); the second level alarm-high device (2b); the first level alarm-low device (1c); the second level alarm-low device (2c); brute force is all mixed mixer (14); roll shaft is to grinding comminutor (16); conveyer (17); mixer (3d) is connected to PLC console (15) by holding wire.
2. as the gelling stabilization by consolidation treatment system of a kind of incineration of refuse flyash as described in the claim 1, it is characterized in that: conveyer (17) is in the airtight container, the bottom of airtight container and the import of flying dust compound are provided with blast entrance with end, and the other end at the top of airtight container is provided with waste gas outlet.
3. as the gelling stabilization by consolidation treatment system of a kind of incineration of refuse flyash as described in the claim 1, it is characterized in that: on respirator (1a) and the respirator (2a) exhaust dust device with bag is installed.
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| CN2011200389007U CN202015730U (en) | 2011-02-15 | 2011-02-15 | Gelatinization, solidification and stabilization treatment system for waste incineration fly ash |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179394A (en) * | 2011-02-15 | 2011-09-14 | 武汉致衡环境安全工程技术有限公司 | Gelatinization and solidification stabilization treatment system for waste incineration fly ash |
| CN105353606A (en) * | 2015-11-17 | 2016-02-24 | 光大环保技术研究院（深圳）有限公司 | Fly ash stabilization automatic control method and system |
-
2011
- 2011-02-15 CN CN2011200389007U patent/CN202015730U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179394A (en) * | 2011-02-15 | 2011-09-14 | 武汉致衡环境安全工程技术有限公司 | Gelatinization and solidification stabilization treatment system for waste incineration fly ash |
| CN102179394B (en) * | 2011-02-15 | 2012-12-26 | 武汉致衡环境安全工程技术有限公司 | Gelatinization and solidification stabilization treatment system for waste incineration fly ash |
| CN105353606A (en) * | 2015-11-17 | 2016-02-24 | 光大环保技术研究院（深圳）有限公司 | Fly ash stabilization automatic control method and system |
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