CN1318803C - Treatment system of fly ash, bottom ash of incinarator and its treatment procedure - Google Patents
Treatment system of fly ash, bottom ash of incinarator and its treatment procedure Download PDFInfo
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- CN1318803C CN1318803C CNB021420904A CN02142090A CN1318803C CN 1318803 C CN1318803 C CN 1318803C CN B021420904 A CNB021420904 A CN B021420904A CN 02142090 A CN02142090 A CN 02142090A CN 1318803 C CN1318803 C CN 1318803C
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Abstract
The present invention provides a fly ash and bottom ash treating system of an incinerator, which is used for continuous melting treatment for fly ash and bottom ash. Under the condition of no oxygen or conditional gas supply for controlling the temperature of the incinerator, fly ash and bottom ash which are generated from the incinerator are melted into high-temperature melting liquid in high-temperature cracking mode; by using an automatic control program and a harmful substance identifying technology, gas generated by high-temperature cracking is treated with solid-state separation, liquid-state separation, gas-state separation, collection or recovery and recycle, and the harmful gas generated by the cracking is sent to a high-temperature melting furnace again for destroying and removing the harmful substances. Thereby, the goals of continuous treatment and complete innocuity and harmlessness are achieved.
Description
Technical field
The present invention relates to the treatment system of one or more discarded mixtures, especially finger is a kind of can handle the discarded object that contains harmful substance continuously, and can under the nontoxic condition of handling fully, carry out the flying dust of the incinerator of continuous fusion, the treatment system and the handling procedure thereof of bottom ash.
Background technology
Large-scale discarded object incinerator equipment can carry out incineration process to a large amount of combustible wastes, can effectively reduce the volume of discarded object.Bury processing mode with tradition and compare, more can reduce burying the demand in soil.Though the incineration method has above advantage, the remaining material in burning back as flying dust, bottom ash, owing to still have the contaminative and the harmful components of height, still needs to carry out suitable after-treatment.
Traditional treatment technology is flying dust, bottom ash to be carried out the Pintsch process mode handle, this equipment is only in single melting furnace, in the mode of electricity slurry heating flying dust, the bottom ash of institute's splendid attire in the fusion inner casing being carried out Pintsch process handles, therefore the processing capacity of this technology is less, is difficult to adapt to a large amount of flying dusts of incinerator generation, the processing of bottom ash; In addition, this equipment can't be removed harmful substance or harmful components wherein fully, so be not desirable processing mode.
Known mode of heating is to carry out the fusion of electricity slurry in atmosphere, and the necessary collection and treatment of the gas of its generation is difficult for reaching oligosaprobic requirement.And utilize the electricity slurry to produce thermal-flame gas, making the flying dust in melt cylinder, the shortcoming of bottom ash fusion is to be difficult for producing about about 1500 ℃ high temperature, and cooling also is not easy.
Summary of the invention
Main purpose of the present invention is to provide a kind of nontoxic, flying dust of harmless incinerator, the treatment system and the handling procedure of bottom ash.
Another object of the present invention is to provide a kind of flying dust of incinerator of continous way, the treatment system and the handling procedure of bottom ash.
Disclosed system can be with flying dust, bottom ash is under the condition of anaerobic, carry out the melting heat cracking, the gas that thermal cracking produces is solid except passing through, liquid, the ternary separation of gas is also carried out outside the resource recovery, more can carry out the discriminating of nuisance to the gas after the separating treatment, through differentiating that harmful gas will be guided back in the inner casing of high temperature smelting furnace once again, wherein contained harmful substance and harmful components are destroyed removal completely, finish the destruction of nuisance and remove the gas of processing after the combustion furnace burning generates harmless, nontoxic gas discharging, and then reach totally nontoxic, harmless result.
System of the present invention includes several melting furnaces and fusion inner casing thereof, and these melting furnaces can carry out fusion to flying dust, bottom ash one by one and Pintsch process is handled.The initial stage of handling for the cracked gas that prevents to be harmful to, because not reaching the melting furnace of sufficiently high temperature carries out the destruction of nuisance to it and is discharged, after can the harmless high temperature of first fusion one stove melting liquid according to the preferable handling procedure of the present invention, begin to handle the melting furnace that other are filled with flying dust, bottom ash again, and to the handling procedure of its fusion of heating, to guarantee treatment system of the present invention, really reach harmless free of contamination purpose.
Handling procedure of the present invention mainly comprises following several:
1. insert the program of flying dust/bottom ash; The melt cylinder of can selecting earlier flying dust/bottom ash to be packed into is inserted melting furnace again, or inserts or control automatically and insert flying dust/bottom ash after earlier melt cylinder being inserted melting furnace.
2. start the program that electricity slurry heater heats the fusion inner casing in the melting furnace, melting furnace be a kind of can resistant to elevated temperatures air-tight oven, earlier its inside is carried out the evacuation processing before can being chosen in heating, except the processing environment that anaerobic is provided, also can reduce the waste of the energy by the vacuum tight thermal insulation.
3. the discriminating of the gas that produces of cracking and the control program of discharge; The gas of thermal cracking generation carries out security by authentication technique to the gas that produces and differentiates after the distillation condensation, if judge still be pernicious gas, with guiding in the melting furnace of sending high temperature back to nuisance is destroyed removal once more again.
Beneficial effect of the present invention:
After the temperature of melting furnace reaches a high temperature, not only can make the oxious component in the fused solution remove discharge, and can carry out the destruction removal processing of harmful substance to the gas that other furnace temperature do not reach the melting furnace institute cracking generation of fail temperature by parallel connection or series system, reach requirement harmless fully, pollution-free, that devoid of risk is handled.
If can there be the space of higher temperature in the fusion furnace temperature, the present invention can use monitoring technology, and control produces the oxious component of gas and the relation value of temperature, reaches minimum pollution and harmless requirement.
Flying dust in melting furnace, bottom ash are melt into high-temperature fusion liquid fully, through the gas of monitoring furnace temperature and the outlet of resource recovery valve, in the time of must not remake the resource recovery, can close the resource recovery valve, and open the waste products drain valve; Automatically control the additive supply valve by PLC again and add oxygen, then the nuisance in the fused solution can at high temperature synthesize oxidation, assist in removing unsettled material, make it become stable and harmless oxide, except can discharging by combustion furnace, also can decide according to nontoxic, the harmless and processing funds of product, reach the most economical, the purpose of effective processing by PLC control discharging separately.
Utilize the continuous operation of a plurality of heat fusing cracking unit, can realize processed continuously purpose, to realize business-like service ability.
Description of drawings
Fig. 1 is the block diagram of system configuration of the present invention.
Fig. 2 is the Organization Chart of additive feeding unit of the present invention system.
Fig. 3 is the Organization Chart of heat fusing cracking of the present invention unit realization vacuum insulation system.
The specific embodiment
Further understand and be familiar with for having, lift preferred embodiment now, and conjunction with figs. is described in detail as follows technology contents of the present invention, technical characterictic and effect thereof:
Referring to Fig. 1,2, a kind of flying dust of incinerator, the treatment system of bottom ash include:
Several heat fusing cracking unit 10 (i) (i=1-N), it includes:
Fusion inner casing 11 (i) (i=1-N) is used for pending flying ash of incinerators of splendid attire and bottom ash;
Melting furnace 12 (i) (i=1-N) is used to carry fusion inner casing 11 (i), and fusion cracking flying dust, the required high temperature/high heat of bottom ash are provided, and for example is equipped with an electricity slurry heater 13 (i) (i=1-N), and required heating-up temperature is provided;
Several resources reclaim unit 30 (i) (i=1-N), in order to the product after the thermal cracking is carried out the resource recycling, wherein be provided with a condenser 31 (i) (i=1-N) and solid, liquid attitude separator 32 (i) (i=1-N), at first the product after the thermal cracking (gas of high temperature) is carried out condensation process, to isolate wherein contained solid, liquid attitude material with condenser 31 (i); Wherein the solid-liquid attitude discarded object of condensation process generation is earlier with solid, liquid separator 32 (i) gives separated and collected, wherein the waste water of oil-containing (i=1-N) is handled through oil/water separator 33 (i) again, wastewater/sewage can be handled the back discharging by known wastewater/sewage treatment technology, the oil part then can reclaim the fuel as combustion furnace 21 again, will differentiate with decision whether discharge by authentication technique (authentication equipment as described later) as for gas part, if differentiate still to pernicious gas then guiding is by the road sent the destruction processing of carrying out nuisance in the fusion inner casing 11 (i) back to again with the control program of automation;
Vaccum-generating unit 50, be provided with and vacuumize pumping 51,52, wherein vacuumizing pumping 51 is to carry out the operation of vacuum insulation in order to the melting furnace 12 (i) to heat fusing cracking unit 10 (i), (its system architecture as shown in Figure 3), has an airtight space between the inwall of the outer wall of fusion inner casing 11 (i) and melting furnace 12 (i); Vacuumize 52 of pumpings and be in order to fusion inner casing 11 (i) is vacuumized and the operation of non-oxidation;
Automatic control unit mainly is to realize automatic control program by computer controller in conjunction with autocontrol valve, and preferred embodiments is to use the programmable logic controller, and (Programmable LogicController PLC) is realized with autocontrol valve.PLC can be according to the identification result of authentication technique at handled thing in the processing procedure or pyrolysis product, control respectively: the discharging of the heating-up temperature of heat fusing cracking unit 10 (i), the interpolation program of additive, processing afterproduct reaches operation items such as processing again.
The element of the automatic control unit of preferred embodiment of the present invention, comprise the PLC control valve that is provided in each heat fusing cracking unit 10 (i), these PLC control valves are controlled the connecting pipeline of heat fusing cracking unit 10 (i) and other processing unit/equipment respectively according to the discriminating information that automatic control program and authentication equipment 60 are provided; These PLC control valves comprise:
Resource recovery valve 71 (i) (i=1-N) is controlled the product of heat fusing cracking unit 10 (i) behind Pintsch process and is entered resource recovery unit 30 (i);
Waste products drain valve 72 (i) (i=1-N) is controlled the product of heat fusing cracking unit 10 (i) behind Pintsch process and is entered burning processing unit 20;
Additive supply valve 73 (i) (i=1-N), the different additives of several accumulator tanks 41 (i) of control additive feeding unit 40 in (i=1-N) enter heat fusing cracking unit 10 (i);
Air bleeding valve 74 (i) (i=1-N) is communicated with vaccum-generating unit 50 and vacuumizes processing; And
Aeration valve 75 (i) (i=1-N), heat fusing cracking unit 10 (i) is carried out the operation of tonifying Qi or control vacuum, in order to reduce energy loss, high-temperature gas tying-in one heat exchange unit 80 that waste products drain valve 72 (i) can be discharged, utilize its heat that the gas (being generally air) of sending into heat fusing cracking unit 10 (i) is carried out preheating, avoid the air of lower temperature directly to enter heat fusing cracking unit 10 (i) and influence its temperature.
The handling procedure explanation:
Processing of the present invention and operation workflow comprise following several programs haply:
1. fill the operation sequence of flying dust, bottom ash;
The operation sequence of the 2. heating of heat fusing cracking unit 10 (i) and temperature control, non-oxidation operation and additive;
3. the processing again of pernicious gas operation;
4. the resource of thermal cracking products reclaims; And
5. the reclaimer operation of the melt liquid after the thermal cracking.
Below will continue handling procedure of the present invention is done a detailed explanation:
One, flying dust, bottom ash are inserted respectively among several fusion inner casings 11 (i), again these fusion inner casings 11 (i) are inserted respectively among several melting furnaces 12 (i).
Two, fusion inner casing 11 (i) can automatic or manual charging, in time enters melting furnace 12 (i) through PLC control.Preferred embodiment more can be according to the engineering operating technology of flying dust, bottom ash, take earlier fusion inner casing 11 (i) to be inserted melting furnace 12 (i) and automatically flying dust, bottom ash are sent into melt cylinder inner casing 11 (i) again, also can will fill flying dust, bottom ash among the fusion inner casing 11 (i) to dress ash place earlier, and then send among the melting furnace 12 (i).
Three, after fusion inner casing 11 (i) is inserted flying dust, bottom ash, before PLC control electricity slurry heater 13 (i) heating, utilize one to vacuumize pumping 52 inside of melting furnace 12 (i) is vacuumized earlier, can select by waste products drain valve 72 (i) through the gas that cracking produces, (i=1-N) send into combustion furnace 21 processing of burning through pipeline 3 (i), or (i=1-N) deliver to resource by resource recovery valve 71 (i) via pipeline 2 (i) and reclaim unit 30 (i) and carry out resource and reclaim.If the product of initial stage cracking reclaims the condenser 31 (i) of unit 30 (i) with the distillation condensation of solid, liquid attitude separator 32 (i) and after separating treatment through resource, its gas is judged still harmful, then among the melting furnace 12 (i) of high temperature is sent this pernicious gas back in PLC control again, carry out the destruction of nuisance and remove.
If four, the initial stage is without any melting furnace 12 (i) when reaching a high temperature, in order to prevent discharge of harmful gases, the present invention can start a melting furnace 12 (i) earlier and produce harmless high-temperature fusion liquid, the melting furnace 12 (i) that begins again to handle other dress flying dusts, bottom ash really reaches the processing of harmless pollution-free devoid of risk with the melt process program of heating to guarantee treatment system of the present invention.
Five, about heat fusing cracking unit 10 (i) being carried out the program that non-oxidation is handled, after the fusion inner casing 11 (i) of filling flying dust, bottom ash etc. in the melting furnace 12 (i) exhausts vacuum, can add inert gas (as nitrogen) by additive supply valve 73 (i) by PLC control, after repeatable operation for several times and circulation vacuum pumping, the content of the oxygen (O2) of fusion inner casing 11 (i) contain air has just dropped to the requirements of design and has been close to the state that reaches anaerobic.
Six, close aeration valve 75 (i); (i) vacuumizes through air bleeding valve 74; can provide adiabatic effect by increasing the inner vacuum of melting furnace 12 (i); gas in this extraction is harmless air; so can directly be disposed in the atmosphere; in addition can be according to the intensity of fusion inner casing 11 (i) and the center housing temperature of detection gained, air capacity and electric heating-up temperature of starching heater 13 (i) by PLC control aeration valve 75 (i) is replenished reach the effect of protecting fusion inner casing 11 (i).
Seven, the electrode bar of electricity slurry heater 13 (i) is after the power supply power supply, can be by contact or untouchable temperature detection technology control power supply, make the internal temperature T (i) of fusion inner casing 11 (i) reach design load, the temperature of this T (i) is according to the designing technique of melting furnace 12 (i), can cooperate monitoring technique to reach designing requirement by the temperature value of several somes positions with the fusion function of control fusion inner casing 11 (i).
Eight, the present invention can be controlled by PLC, when the internal temperature of fusion inner casing 11 (i) reaches the high temperature values of fusion, in order to increase the destruction clearance, can be according to need spray into oxygen by the control of additive supply valve 73 (i), be beneficial to the oxidation of imflammable gas, can improve the temperature of molten solids again.
Nine, by the detection data of internal temperature values T (i) and resource recovery valve 71 (i) the outlet side gas of fusion inner casing 11 (i), cooperate authentication technique, if learning flying dust in the fusion inner casing 11 (i) or bottom ash has finished fusion place and has buried, just can close the power supply of melting furnace 12 (i) and supply with, then can take out the operation sequence of fusion inner casing 11 (i) to the vitrifying process chamber.
Ten, through PLC control and authentication technique, after learning that fusion inner casing 11 (i) fusion flying dust, bottom ash have reached processing fully, close resource recovery valve 71 (i), waste products drain valve 72 (i), additive supply valve 73 (i), take out fusion inner casing 11 (i), deliver to the vitrifying process chamber after flying dust, the bottom ash fusion, the fusion inner casing 11 (i) that will be mounted with flying dust, bottom ash is again packed among the melting furnace 12 (i), repeat above-mentioned handling procedure again and proceed to handle, can reach the purpose that continuous fusion is handled.
In brief, the reclaimer operation of the melt liquid for flying dust, bottom ash after hot cracked makes it solidify vitrified handling procedure exactly, and its implementation has two:
The fusion inner casing 11 (i) after the melt process is finished in one, taking-up, delivers to the vitrifying process chamber, mainly is to make high-temperature fusion liquid become solid through cooling procedure, reaches vitrified resource recycling result.
Two, also can among heat fusing cracking unit 10 (i), carry out, at first by PLC control aeration valve 75 (i), bubbling air cooling fusion inner casing 11 (i), air after the heat absorption, export pipeline through air bleeding valve 74 (i) is discharged, make the fused solution cooling among the fusion inner casing 11 (i), after vitrifying, can carry out resource and reclaim.
The present invention can be according to a plurality of heat fusing cracking of the Demand Design for the treatment of capacity unit 10 (i), and each heat fusing cracking unit 10 (i) also can design a plurality of fusion inner casings 11 (i).Time according to processing flying dust, bottom ash reaches the time of carrying out the recycling of vitrifying resource in heat fusing cracking unit 10 (i) cooling, and sets the number and the combination operation program of heat fusing cracking unit 10 (i), to reach the target that commerce turns round.
The Pintsch gas of discharging through resource recovery valve 71 (i) will (i=1-N) be delivered among a plurality of condensers 31 (i) through pipeline 2 (i).These a plurality of condensers 31 (i) cooperate PLC to control the gas that each fusion inner casing 11 (i) cracking produces, can control the switch time of each valve by the automatic control program of system, according to the gas ingredients and the temperature in resource recovery valve 71 (i) exit, make a plurality of condensers 31 (i) adopt parallel connection or series operation again by automatic control.(system shown in Figure 1 is the example of series operation) can reach the requirement of the optimization process cracked gas of nontoxic, harmless, devoid of risk.
Each condenser 31 (i) all has the output of solid, liquid, gas three-state, differentiate to after harmless through authentication equipment 60 through the condensed gas of a plurality of condensers 31 (i), to be sent to combustion chamber 21 internal combustion, if it is harmful, then can reenter in the fusion inner casing 11 (i) of Da Gaowen, it be reached destroy the requirement of removing harmful substance by the control of additive supply valve 73 (i).
The present invention is through the gas of continuous monitoring condenser 31 (i) outlet, reaches when harmless, and combustion furnace 21 burnings of reinjecting are to guarantee to reach harmless, free of contamination requirement.So the total system gas purging all can be controlled to harmless, free of contamination requirement.
Above-mentioned disclosed technology contents, technical characterictic and effect thereof only are a preferred embodiment; be not in order to limit practical range of the present invention; such as any conversion or the modification of doing according to technical characterictic of the present invention all should be covered by within the protection category that claims of the present invention define.
Claims (30)
1. the treatment system of the flying dust of an incinerator, bottom ash, comprising: several heat fusing cracking unit include the fusion inner casing and the melting furnace that are used for fusion cracking flying dust, bottom ash;
One burning processing unit has and is used for the innocuous gas that thermal cracking the produces combustion furnace of handling that burns has been reached dirty treatment facility;
Several resources reclaim unit, include in order to the product after the thermal cracking is comprised a condenser and the solid, liquid attitude separator that gas that cracking generates and wherein contained solid, liquid attitude product carry out the resource recycling;
One additive feeding unit comprises several accumulator tanks that store different additives respectively, and each accumulator tank all has a control valve, controls the fusion inner casing that wherein contained additive is admitted to this heat fusing cracking unit;
One vaccum-generating unit is provided with respectively fusion inner casing to this heat fusing cracking unit and vacuumizes several that carry out the vacuum insulation operation with the non-oxidation operation and to the melting furnace of this heat fusing cracking unit and vacuumize pumping;
The gas that a pair of thermal cracking produces carries out the authentication equipment that nuisance is differentiated; And
One at treating the automatic control unit that the enforcement of handled thing or pyrolysis product is differentiated in the processing procedure, to control respectively: send pernicious gas back to this heat fusing cracking unit again and carry out the destruction removal of nuisance, the temperature of this heat fusing cracking unit, the interpolation of this additive feeding unit additive, the discharging of cracking afterproduct and the control of reclaimer.
2. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: described melting furnace is a kind of resistant to elevated temperatures air-tight oven, has more an airtight space between the inwall of its fusion inner casing outer wall and this melting furnace.
3. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: described melting furnace is provided with an electricity slurry heater.
4. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: the dirty treatment facility of described sky can carry out separation, the collection of solid, liquid, gas three-state to the product after the burning and handle.
5. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: the condenser that described several resources reclaim the unit is one another in series.
6. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: the condenser that described several resources reclaim the unit also can be connected in parallel to each other.
7. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: the solid, liquid attitude separator that described several resources reclaim the unit more comprises an oil/water separator.
8. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: described additive feeding unit has an accumulator tank that stores oxygen at least.
9. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: described additive feeding unit is provided with an accumulator tank that stores inert gas at least.
10. according to the flying dust of the described incinerator of claim 9, the treatment system of bottom ash, it is characterized in that: described inert gas can be nitrogen.
11. according to the flying dust of the described incinerator of claim 1, the treatment system of bottom ash, it is characterized in that: described automatic control unit comprises several PLC control valves that are provided in each heat fusing cracking unit, these PLC control valves are controlled this heat fusing cracking unit respectively and are communicated with the pipeline of all the other processing unit/equipment according to automatic control program and the detected discriminating information of this authentication equipment.
12. according to the flying dust of the described incinerator of claim 11, the treatment system of bottom ash, it is characterized in that: described several PLC control valves comprise:
One this heat fusing cracking unit product behind Pintsch process of control enters the resource recovery valve that this resource reclaims the unit;
One this heat fusing cracking unit product behind Pintsch process of control enters the waste products drain valve of this burning processing unit;
Different additives in one these several accumulator tanks of additive feeding unit of control enter the additive supply valve of this heat fusing cracking unit;
One is communicated with this vaccum-generating unit, the air bleeding valve that vacuumizes with the airtight space to this heat fusing cracking unit; And
The melting furnace of a pair of this heat fusing cracking unit cools off and controls the aeration valve of vacuum operation.
13. according to the flying dust of the described incinerator of claim 12, the treatment system of bottom ash, it is characterized in that: described authentication equipment also can be differentiated the detection data from resource recovery valve outlet side gas, whether has finished melt process to judge flying dust or bottom ash in this fusion inner casing.
14. according to the flying dust of the described incinerator of claim 12, the treatment system of bottom ash, it is characterized in that: when described additive supply valve differentiates that at this authentication equipment this condensed gas in resource recovery unit is still harmful, pernicious gas can be sent back in the fusion inner casing of this heat fusing cracking unit again.
15. according to the flying dust of the described incinerator of claim 12, the treatment system of bottom ash, it is characterized in that: described waste products drain valve more vacuumizes pumping and is connected with one, can vacuumize the fusion inner casing of this heat fusing cracking unit and the non-oxidation operation.
16., it is characterized in that: wherein more comprise the high-temperature gas that utilizes this waste products drain valve to be discharged carries out preheating to the gas that is admitted to this heat fusing cracking unit a heat exchange unit according to the flying dust of the described incinerator of claim 12, the treatment system of bottom ash.
17. the flying dust of an incinerator, the handling procedure of bottom ash more comprise and carry out following handling procedure:
1.. fill the operation sequence of flying dust, bottom ash;
2.. the heating of heat fusing cracking unit is controlled with temperature, non-oxidation is operated and the operation sequence of additive;
3.. the processing operation sequence again of pernicious gas;
4.. the resource reclaimer of thermal cracking products; And
5.. the reclaimer operation program of the melt liquid after the thermal cracking.
18. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the operation sequence of described filling flying dust, bottom ash is taked earlier this fusion inner casing to be inserted this melting furnace, flying dust, bottom ash is inserted this fusion inner casing again.
19. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the operation sequence of described filling flying dust, bottom ash is taked will to fill up flying dust, bottom ash in this fusion inner casing earlier, and then will send among the melting furnace.
20. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the heating and the temperature control program of described heat fusing cracking unit comprise the vacuum that increases between this melting furnace and this fusion inner casing so that the effect of thermal insulation to be provided.
21. according to the flying dust of the described incinerator of claim 18, the handling procedure of bottom ash; it is characterized in that: the heating and the temperature control program of described heat fusing cracking unit; more comprise intensity and the center housing temperature that detects gained according to the fusion inner casing; adjust vacuum and heating-up temperature, to protect the program of this fusion inner casing.
22. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the heating and the temperature control program of described heat fusing cracking unit, comprise by contact and untouchable temperature detection technology, the internal temperature of controlling this fusion inner casing reaches design load, so that the fusion function of this fusion inner casing reaches designing requirement.
23. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the non-oxidation operation sequence of described heat fusing cracking unit is to vacuumize by the inside with this fusion inner casing to reach.
24. according to the flying dust of the described incinerator of claim 18, the handling procedure of bottom ash, it is characterized in that: the non-oxidation operation sequence of described heat fusing cracking unit, more be included in this fusion inner casing and add inert gas, reach non-oxidation through several repeatable operation and circulation vacuum pumping.
25. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the additive operation sequence of described heat fusing cracking unit is included in the program that this fusion inner casing sprays into oxygen, in order to flammable gas cyaniding.
26. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the processing operation sequence again of described pernicious gas is that pernicious gas is sent back among the melting furnace of high temperature again, carries out the destruction of nuisance and removes.
27. according to the flying dust of the described incinerator of claim 26, the handling procedure of bottom ash, it is characterized in that: the processing operation sequence again of described pernicious gas, comprise that more starting this melting furnace of a tool earlier produces harmless high-temperature fusion liquid, removes in order to the destruction of this pernicious gas being carried out nuisance and handles.
28. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the resource reclaimer of described thermal cracking products comprises that the pyrolysis product that this heat fusing cracking unit is produced passes through the processing that condensation separates with the solid, liquid attitude.
29. according to the flying dust of the described incinerator of claim 28, the handling procedure of bottom ash, it is characterized in that: the resource reclaimer of described thermal cracking products, more comprise differentiating through condensed gas whether still be harmful to, and send pernicious gas back to destruction removal processing that this heat fusing cracking unit carries out nuisance again.
30. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the reclaimer operation program of the melt liquid after the described thermal cracking, be that this fusion inner casing that will finish after the melt process is delivered to the vitrifying process chamber, make high-temperature fusion liquid become solid, reach vitrified resource recycling result through cooling procedure.
31. according to the flying dust of the described incinerator of claim 17, the handling procedure of bottom ash, it is characterized in that: the reclaimer operation program of the melt liquid after the described thermal cracking, be to cool off this fusion inner casing, make melt liquid cooling among this fusion inner casing after vitrifying, carry out resource and reclaim at this heat fusing cracking unit bubbling air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021420904A CN1318803C (en) | 2002-08-26 | 2002-08-26 | Treatment system of fly ash, bottom ash of incinarator and its treatment procedure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021420904A CN1318803C (en) | 2002-08-26 | 2002-08-26 | Treatment system of fly ash, bottom ash of incinarator and its treatment procedure |
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| CN1479036A CN1479036A (en) | 2004-03-03 |
| CN1318803C true CN1318803C (en) | 2007-05-30 |
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| US20110039216A1 (en) * | 2008-04-22 | 2011-02-17 | Basf Se | Process for controlling the addition of an auxiliary fuel |
| CN103939920A (en) * | 2014-04-29 | 2014-07-23 | 河南中易环保科技有限公司 | Fly ash processing method and system |
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| CN1220373A (en) * | 1997-12-16 | 1999-06-23 | 胡镇成 | Refuse incineration new technology |
| CN1051610C (en) * | 1992-12-11 | 2000-04-19 | 成都市特种垃圾焚烧场 | Method for refuse incinerating treatment |
| CN1277342A (en) * | 2000-06-05 | 2000-12-20 | 东南大学 | Drying, gasifying and melting process of treating domestic refuse |
| JP2001227714A (en) * | 1999-12-09 | 2001-08-24 | Kinsei Sangyo:Kk | Method for incinerating disposal of waste |
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2002
- 2002-08-26 CN CNB021420904A patent/CN1318803C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051610C (en) * | 1992-12-11 | 2000-04-19 | 成都市特种垃圾焚烧场 | Method for refuse incinerating treatment |
| CN1220373A (en) * | 1997-12-16 | 1999-06-23 | 胡镇成 | Refuse incineration new technology |
| JP2001227714A (en) * | 1999-12-09 | 2001-08-24 | Kinsei Sangyo:Kk | Method for incinerating disposal of waste |
| CN1277342A (en) * | 2000-06-05 | 2000-12-20 | 东南大学 | Drying, gasifying and melting process of treating domestic refuse |
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| CN1479036A (en) | 2004-03-03 |
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