CN110296421A - A kind of solid waste melting disposal system and its method - Google Patents
A kind of solid waste melting disposal system and its method Download PDFInfo
- Publication number
- CN110296421A CN110296421A CN201910449012.5A CN201910449012A CN110296421A CN 110296421 A CN110296421 A CN 110296421A CN 201910449012 A CN201910449012 A CN 201910449012A CN 110296421 A CN110296421 A CN 110296421A
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- Prior art keywords
- solid waste
- melting furnace
- storage facility
- additive
- control system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Gasification And Melting Of Waste (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a kind of solid waste melting disposal system and its methods, the discharge port of pretreatment system is connect with the feed inlet of solid waste storage facility, the discharge port of solid waste storage facility and the discharge port of additive storage facility are connect with two feed inlets of mixing arrangement respectively, the discharge port of mixing arrangement is connect with the feed inlet of melting furnace system, monitor on-line LIBS device respectively with pretreatment system, solid waste storage facility is connected with additive storage facility for monitoring solid waste ingredient on-line, control system respectively with on-line monitoring LIBS device, solid waste storage facility is connected with additive storage facility to be used to calculate additive additive amount by solid waste ingredient and controls the additive amount of additive.The present invention is realized solid waste and it can be formed with on-line checking before entering melting furnace, is realized automatic compatibility, is melted solid waste adequately, it is ensured that unharmful substance is discharged with slag.
Description
Technical field
The present invention relates to a kind of melting disposal system and its method, especially a kind of solid waste melting disposal system and its
Method.
Background technique
With the rapid development of industry, the yield of solid waste increases year by year, causes serious harm to environment.Largely
Solid waste be discharged into environment, not only land occupation, but also ambient enviroment will also be caused sternly in solid waste containing heavy metal
It destroys again, while seriously threatening the health of the mankind.
Traditional solid waste burning processing is mainly rotary kiln and cement kiln synergic processing, and melt process is current fixed-end forces
The new technology of development, mostly uses greatly " pretreatment+compatibility+melt process+gas cleaning " method of disposal, and the source of solid waste is multiple
Miscellaneous, composition fluctuation is big, therefore needs to carry out detailed analysis of physical and chemical feature to solid waste before handling.But traditional sampling
Analysis method detection cycle is long, and there are two defects: one, solid waste carries out the side of chemical composition analysis before entering melting furnace
In method, it is unable to real-time control due to spending overlong time, is difficult to carry out stable melt process, if without adequately melting,
Harmful substance will be discharged together with slag, cause the Environmental security quality of melting and solidification body (Leaching) not up to standard；Two, should
Method lacks the control to melting furnace operating condition (such as deslagging temperature), excessively high not only to cause heat waste, while reducing melting furnace
And service life of refractory material, it is too low then exist cannot smoothly deslagging risk.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of solid waste melting disposal system and its methods, guarantee solid
The abundant melting of body waste.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of solid waste melting disposal system, it is characterised in that: include pretreatment system, solid waste storage facility, addition
Developing agent storage device, mixing arrangement, on-line monitoring LIBS device, control system and melting furnace system, the discharge port of pretreatment system
It is connect with the feed inlet of solid waste storage facility, the discharging of the discharge port and additive storage facility of solid waste storage facility
Mouth is connect with two feed inlets of mixing arrangement respectively, and the discharge port of mixing arrangement is connect with the feed inlet of melting furnace system,
Line monitoring LIBS device is connect respectively for supervising online with pretreatment system, solid waste storage facility and additive storage facility
Solid waste ingredient is surveyed, control system is filled with on-line monitoring LIBS device, solid waste storage facility and addition developing agent storage respectively
Connection is set to be used to calculate additive additive amount by solid waste ingredient and control the additive amount of additive.
Further, in-furnace temperature monitoring device, deslagging temperature monitoring device and electricity are provided on the melting furnace system
Source, in-furnace temperature monitoring device are arranged in melting furnace system for the temperature inside real-time monitoring melting furnace, deslagging temperature prison
It surveys device and temperature of the slag-drip opening of melting furnace system for real-time monitoring melting furnace slag-drip opening slag, power supply and melting furnace is set
System connection is for controlling the operating power of melting furnace system, in-furnace temperature monitoring device, deslagging temperature monitoring device and power supply
It connect with control system and is controlled by control system respectively.
Further, the melting furnace system is provided with flue gas purification system, and flue gas purification system is arranged in melting furnace system
On the exhaust vent of system.
Further, the pretreatment system is crushed solid waste, is dried, granularity after solid waste is broken
No more than 5cm, moisture content is not more than 10%.
Further, the solid waste storage facility, additive storage facility discharge port be provided with meter.
Further, the temperature of the melting furnace system is maintained at 1300-1700 DEG C.
Further, the in-furnace temperature monitoring device uses pyrometer couple, and deslagging temperature monitoring device is using infrared
Temperature measurer.
A kind of solid waste melting method of disposal, it is characterised in that comprise the steps of:
Step 1: solid waste is pre-processed in pretreatment system；
Step 2: solid waste is sent into solid waste storage facility and is kept in after pretreatment, will be in solid waste storage facility
Solid waste be added mixing arrangement in, then monitor on-line LIBS device monitoring solid waste component, which is fed back
To control system, control system controls additive storage facility and additive is added, and on-line monitoring LIBS device continues monitoring mixing
It component and repeats the above steps in device, until mixing arrangement component and control system preset group split-phase are the same as completing solid waste
Compatibility；
Step 3: melting furnace system is added in the good solid waste of compatibility, is melted, is produced at a high temperature of 1300-1700 DEG C
Raw molten state waste residue is discharged from bottom slag discharge, and the exhaust gas of generation discharges after being purified by flue gas purification system.
Further, solid waste is sent into solid waste storage facility and is carried out temporarily after the step 2 specially pre-processes
It deposits, the solid waste in solid waste storage facility is added in mixing arrangement, then monitor LIBS device on-line and monitor solid
The component is fed back to control system, melts optimal proportion to various types of solid waste in control system by the component of waste
It is preset, control system receives solid waste component information and carries out identification to the information to judge solid waste
For which type of solid waste, then according to judging that structure reads preset optimal proportion and by preset ratio and solid waste
Measurement component compare, calculate corresponding difference and obtain needing the dosage of each additive to be added, control system control
Additive is added according to calculated result in additive storage facility processed, while monitoring LIBS device on-line and continuing to monitor in mixing arrangement
Component simultaneously repeats the above steps, until mixing arrangement component and control system preset group split-phase are the same as the compatibility for completing solid waste.
Further, the step 3 is specially that melting furnace system is added in the good solid waste of compatibility, in 1300-1700
It is melted at a high temperature of DEG C, the molten state waste residue of generation is discharged from bottom slag discharge, and the exhaust gas of generation is passed through gas cleaning system
System discharges after waste heat recycling, deacidification, flying dust collection and denitration process, in solid waste melting process, in-furnace temperature prison
It surveys device and acquires the melting temperature melted in furnace system in real time, deslagging temperature monitoring device acquires melting furnace system bottom row in real time
The slag temperature of cinder notch, control system adjust the operating power of power supply according to the melting temperature in melting furnace system, control simultaneously
System is modified power work power according to slag temperature, and control system is added in melting furnace system according to mixing arrangement
The quality of compatibility solid waste carries out preposition amendment to power control.
Compared with prior art, the present invention having the following advantages that and effect:
1, the present invention can dispose a plurality of types of solid waste, including bottom ash, flying dust, electroplating sludge, wirerope sludge
Deng；
2, the present invention is realized solid waste and it can be formed with on-line checking before entering melting furnace, and real automatic compatibility keeps solid useless
Object adequately melts, it is ensured that unharmful substance is discharged with slag；
3, the present invention is in melting furnace and temperature monitoring device is arranged in slag-drip opening, in melting furnace and deslagging temperature is monitored；
The present invention is by being obtained in the real-time component of solid waste and melting furnace using control system and deslagging real time temperature controls melting
Furnace operating state can extend the service life of melting furnace and resistance to material again while guaranteeing that melting furnace is stable.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of solid waste melting disposal system of the invention.
Fig. 2 is the power control logic figure of the embodiment of the present invention.
Specific embodiment
Below by embodiment, the present invention is described in further detail, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
As shown in Figure 1, a kind of solid waste of the invention melts disposal system, store comprising pretreatment system, solid waste
Cryopreservation device, additive storage facility, mixing arrangement, on-line monitoring LIBS device, control system and melting furnace system, pretreatment system
The discharge port of system is connect with the feed inlet of solid waste storage facility, the discharge port and addition developing agent storage of solid waste storage facility
The discharge port of device is connect with two feed inlets of mixing arrangement respectively, the charging of the discharge port and melting furnace system of mixing arrangement
Mouth connection, on-line monitoring LIBS device are connect with pretreatment system, solid waste storage facility and additive storage facility respectively
For monitoring solid waste ingredient on-line, control system respectively with on-line monitoring LIBS device, solid waste storage facility and add
Add the connection of developing agent storage device to be used to calculate additive additive amount by solid waste ingredient and controls the additive amount of additive.
In-furnace temperature monitoring device, deslagging temperature monitoring device and power supply, in-furnace temperature prison are provided on melting furnace system
It surveys device to be arranged in melting furnace system for the temperature inside real-time monitoring melting furnace, the setting of deslagging temperature monitoring device is molten
The slag-drip opening for melting furnace system is used for the temperature of real-time monitoring melting furnace slag-drip opening slag, and power supply is connect with melting furnace system for controlling
System melting furnace system operating power, in-furnace temperature monitoring device, deslagging temperature monitoring device and power supply respectively with control system
Connection is controlled by control system.Melting furnace system is provided with flue gas purification system, and flue gas purification system setting is in melting furnace system
Exhaust vent on.
Pretreatment system is crushed solid waste, is dried, and granularity is not more than 5cm after solid waste is broken, contains
Water rate is not more than 10%.Solid waste storage facility, additive storage facility discharge port be provided with meter.Melting furnace system
The temperature of system is maintained at 1300-1700 DEG C.In-furnace temperature monitoring device uses pyrometer couple, and deslagging temperature monitoring device uses
Infrared radiation thermometer.
A kind of solid waste melting method of disposal comprising the steps of:
Step 1: solid waste is pre-processed in pretreatment system；Solid waste is successively crushed, is dried, it is right
Solid waste carries out break process, and granularity is not more than 5cm, broken waste is thermally dried, moisture content is not more than
10%。
Step 2: solid waste is sent into solid waste storage facility and is kept in after pretreatment, and solid waste is stored and is filled
Solid waste in setting is added in mixing arrangement, the component of LIBS device monitoring solid waste is then monitored on-line, by the component
Control system is fed back to, various types of solid waste melting optimal proportion is preset in control system, control system connects
It receives solid waste component information and identification is carried out to the information to judge that solid waste gives up for which type of solid
Object, then according to judging that structure reads preset optimal proportion and carry out the measurement component of preset ratio and solid waste pair
Than calculating corresponding difference and obtaining needing the dosage of each additive to be added, control system controls additive storage facility
Additive is added according to calculated result, while monitoring LIBS device on-line and continuing to monitor component in mixing arrangement and repeat above-mentioned step
Suddenly, until mixing arrangement component and control system preset group split-phase are the same as the compatibility for completing solid waste.
Step 3: melting furnace system is added in the good solid waste of compatibility, is melted at a high temperature of 1300-1700 DEG C
Melt, the molten state waste residue of generation is discharged from bottom slag discharge, forms vitreum after water cooled, the exhaust gas of generation is passed through gas cleaning
System is recycled by waste heat, is discharged after deacidification, flying dust collection and denitration process, in solid waste melting process, in-furnace temperature
Monitoring device acquires the melting temperature in melting furnace system in real time, and deslagging temperature monitoring device acquires melting furnace system bottom in real time
The slag temperature of slag-drip opening, control system adjust the operating power of power supply, same time control according to the melting temperature in melting furnace system
System processed is modified power work power according to slag temperature, and control system is added in melting furnace system according to mixing arrangement
The quality of compatibility solid waste preposition amendment is carried out to power control.
Power supply adjustment process is, as shown in Fig. 2, being decomposed according to serials control to be feedovered
Feedover revise signal are as follows: M*F1 (s)；
Tandem inner looping output are as follows: Y2=(Y1-T2) * G2 (s)；
Tandem external loop output are as follows: Y1=(R-T1) * G1 (s)；
System always exports are as follows: Y=Y2+M*F1 (s)=[(R-T1) * G1 (s)-T2] * G2 (s)+M*F1 (s)；
Wherein, M be measurement obtain enter furnace solid waste quality, F1 (s) is front feeding transfer function, and G1 (s) is that tandem external loop transmits
Function, G2 (s) are tandem inner looping transmission function, and R is melting furnace temperature setting value, and T1 is melting furnace temperature, and T2 is slag temperature.
The present invention can dispose a plurality of types of solid waste, including the dirt of bottom ash, flying dust, electroplating sludge, wirerope
Mud etc.；The present invention is realized solid waste and it can be formed with on-line checking before entering melting furnace, realizes automatic compatibility, keeps solid useless
Object adequately melts, it is ensured that unharmful substance is discharged with slag；The present invention is in melting furnace and slag-drip opening setting temperature monitoring fills
It sets, in melting furnace and deslagging temperature is monitored；The present invention by using control system obtain the real-time component of solid waste and
In melting furnace and deslagging real time temperature controls melting furnace operating state, can extend again while guaranteeing that melting furnace is stable
The service life of melting furnace and resistance to material.
Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, only
It should belong to guarantor of the invention without departing from the content or beyond the scope defined by this claim of description of the invention
Protect range.
Claims (10)
1. a kind of solid waste melts disposal system, it is characterised in that: comprising pretreatment system, solid waste storage facility, add
Add developing agent storage device, mixing arrangement, on-line monitoring LIBS device, control system and melting furnace system, the discharging of pretreatment system
Mouth is connect with the feed inlet of solid waste storage facility, the discharge port of solid waste storage facility and going out for additive storage facility
Material mouth is connect with two feed inlets of mixing arrangement respectively, and the discharge port of mixing arrangement is connect with the feed inlet of melting furnace system,
On-line monitoring LIBS device is connect respectively for online with pretreatment system, solid waste storage facility and additive storage facility
Monitor solid waste ingredient, control system respectively with on-line monitoring LIBS device, solid waste storage facility and addition developing agent storage
Device connection is used to calculate additive additive amount by solid waste ingredient and controls the additive amount of additive.
2. a kind of solid waste described in accordance with the claim 1 melts disposal system, it is characterised in that: on the melting furnace system
It is provided with in-furnace temperature monitoring device, deslagging temperature monitoring device and power supply, in-furnace temperature monitoring device is arranged in melting furnace system
For the temperature inside real-time monitoring melting furnace in system, the slag-drip opening that melting furnace system is arranged in deslagging temperature monitoring device is used for
The temperature of real-time monitoring melting furnace slag-drip opening slag, power supply connect the work function for controlling melting furnace system with melting furnace system
Rate, in-furnace temperature monitoring device, deslagging temperature monitoring device and power supply connect with control system controlled by control system respectively.
3. a kind of solid waste described in accordance with the claim 1 melts disposal system, it is characterised in that: the melting furnace system is set
It is equipped with flue gas purification system, flue gas purification system is arranged on the exhaust vent of melting furnace system.
4. a kind of solid waste described in accordance with the claim 1 melts disposal system, it is characterised in that: the pretreatment system pair
Solid waste is crushed, is dried, and granularity is not more than 5cm after solid waste is broken, and moisture content is not more than 10%.
5. a kind of solid waste described in accordance with the claim 1 melts disposal system, it is characterised in that: the solid waste storage
Device, additive storage facility discharge port be provided with meter.
6. a kind of solid waste described in accordance with the claim 1 melts disposal system, it is characterised in that: the melting furnace system
Temperature is maintained at 1300-1700 DEG C.
7. a kind of solid waste melts disposal system according to claim 2, it is characterised in that: the in-furnace temperature monitoring
Device uses pyrometer couple, and deslagging temperature monitoring device uses infrared radiation thermometer.
8. a kind of solid waste melts method of disposal, it is characterised in that comprise the steps of:
Step 1: solid waste is pre-processed in pretreatment system；
Step 2: solid waste is sent into solid waste storage facility and is kept in after pretreatment, will be in solid waste storage facility
Solid waste be added mixing arrangement in, then monitor on-line LIBS device monitoring solid waste component, which is fed back
To control system, control system controls additive storage facility and additive is added, and on-line monitoring LIBS device continues monitoring mixing
It component and repeats the above steps in device, until mixing arrangement component and control system preset group split-phase are the same as completing solid waste
Compatibility；
Step 3: melting furnace system is added in the good solid waste of compatibility, is melted, is produced at a high temperature of 1300-1700 DEG C
Raw molten state waste residue is discharged from bottom slag discharge, and the exhaust gas of generation discharges after being purified by flue gas purification system.
9. a kind of solid waste melts method of disposal according to claim 8, it is characterised in that: the step 2 is specially
Solid waste is sent into solid waste storage facility and is kept in after pretreatment, and the solid waste in solid waste storage facility is added
Enter in mixing arrangement, then monitors the component of LIBS device monitoring solid waste on-line, which is fed back into control system, control
Various types of solid waste melting optimal proportion is preset in system processed, control system receives solid waste component letter
It ceases and identification is carried out to the information to judge that solid waste is which type of solid waste, then according to judging structure
It reads preset optimal proportion and compares the measurement component of preset ratio and solid waste, calculate corresponding difference simultaneously
Obtain needing the dosage of each additive to be added, control system controls additive storage facility and addition is added according to calculated result
Agent, while monitoring LIBS device on-line and continuing to monitor component in mixing arrangement and repeat the above steps, until mixing arrangement component
With control system preset group split-phase with the compatibility for completing solid waste.
10. a kind of solid waste melts method of disposal according to claim 8, it is characterised in that: the step 3 is specific
For melting furnace system is added in the good solid waste of compatibility, melted at a high temperature of 1300-1700 DEG C, the molten state of generation
Waste residue from bottom slag discharge be discharged, the exhaust gas of generation be passed through flue gas purification system by waste heat recycling, deacidification, flying dust collect and
It is discharged after denitration process, in solid waste melting process, in-furnace temperature monitoring device acquires the melting in melting furnace system in real time
Temperature, deslagging temperature monitoring device acquire the slag temperature of melting furnace system bottom slag-drip opening in real time, and control system is according to melting
Melting temperature in furnace system adjusts the operating power of power supply, at the same control system according to slag temperature to power work power into
The quality of row amendment, the compatibility solid waste that control system is added in melting furnace system according to mixing arrangement controls power
Carry out preposition amendment.
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| CN201910449012.5A CN110296421A (en) | 2019-05-28 | 2019-05-28 | A kind of solid waste melting disposal system and its method |
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Application publication date: 20191001 |