CN220601522U - Ash feeding vitrification melting device - Google Patents
Ash feeding vitrification melting device Download PDFInfo
- Publication number
- CN220601522U CN220601522U CN202322338112.5U CN202322338112U CN220601522U CN 220601522 U CN220601522 U CN 220601522U CN 202322338112 U CN202322338112 U CN 202322338112U CN 220601522 U CN220601522 U CN 220601522U
- Authority
- CN
- China
- Prior art keywords
- ash
- melting
- melting furnace
- vitrification
- molten slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002844 melting Methods 0.000 title claims abstract description 86
- 230000008018 melting Effects 0.000 title claims abstract description 86
- 238000004017 vitrification Methods 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000010791 quenching Methods 0.000 claims abstract description 6
- 230000000171 quenching effect Effects 0.000 claims abstract description 6
- 239000002956 ash Substances 0.000 claims description 47
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 239000010881 fly ash Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000006148 magnetic separator Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 10
- 239000002910 solid waste Substances 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model relates to the technical field of ash treatment devices, in particular to an ash feeding vitrification melting device, which comprises: the melting furnace is arranged at the tail part of the rotary kiln and comprises a turning plate and a melting part; the turnover plate receives ash and utilizes the heat of the ash to heat the ash for the first time, and the melting part heats the molten slurry for the second time; the turning plate has a height difference, and the melting part is provided with a burner; and a water-sealed slag dragging machine is arranged at the bottom of the melting furnace and used for carrying out water quenching on the vitrified molten slurry. In the embodiment, the rotary kiln burns the solid waste to form ash, the melting furnace is arranged at the tail part of the rotary kiln, the ash falls on the turning plate, the ash is smelted in the rotary kiln at high temperature for a long time, the ash can be heated for the first time by utilizing the residual temperature of the slag to form molten slurry, and the molten slurry flows into the melting part along with the turning plate; the burner works, and the molten slurry formed by the first heating is heated for the second time to form high-temperature vitrified molten slurry; the water seal slag dragging machine carries out water quenching on the high-temperature vitrified molten slurry, reduces the volume of ash slag, removes harmful substances and realizes resource optimization.
Description
Technical Field
The utility model relates to the technical field of ash treatment devices, in particular to an ash feeding vitrification melting device.
Background
The incineration method for treating solid waste is one of the main methods for treating hazardous waste at home and abroad, and a rotary kiln device is mostly adopted for incinerating the solid waste at present, but ash slag generated in the incineration process contains high-concentration heavy metals, dioxin and other harmful substances, and serious environmental pollution can be caused by not performing harmless treatment on the ash slag.
At present, the domestic incineration ash treatment technology still belongs to a starting exploration stage, so the cylinder searches for a technology which can reduce the volume of ash, effectively remove toxicity and enable the treated product to be recycled, and the technology has become an urgent task in China.
In order to solve the problems, a clinker feeding vitrification melting device is designed.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The utility model provides a clinker feeding vitrification melting device, which effectively solves the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an ash feed vitrification fusion device comprising:
the melting furnace, the melting furnace sets up in the afterbody of rotary kiln, includes: a flap and a melting portion; the turning plate is used for receiving ash and heating the ash for the first time by utilizing the heat of the ash, and the melting part is used for heating the molten slurry formed by the first time at a high temperature for the second time;
the melting part is arranged at one side with low height of the turning plate and is internally provided with a burner;
the water-seal slag scooping machine is arranged at the bottom of the melting furnace and is used for carrying out water quenching on high-temperature vitrified molten slurry formed by the second high-temperature heating.
Further, the melting furnace further comprises a secondary combustion chamber, wherein the secondary combustion chamber is arranged above the turning plate and is used for carrying out secondary combustion on waste gas generated by the rotary kiln.
Further, a temperature and pressure measuring connecting pipe is arranged in the melting furnace.
Further, fly ash granulation conveying systems are arranged on two sides of the melting furnace.
Further, a partition gate is arranged in the melting furnace.
Further, a waste liquid spray gun is arranged in the transition channel above the turning plate.
Further, a chute communicated with the water seal slag dragging machine is arranged below the turning plate.
Further, a magnetic separator is arranged at the bottom of the water seal slag dragging machine.
Further, a medicament lifting mechanism is arranged on one side of the secondary combustion chamber.
The beneficial effects of the utility model are as follows: the utility model burns solid waste to form ash slag through a rotary kiln, wherein the ash slag comprises substances such as fly ash, slag and the like, a melting furnace is arranged at an outlet of the tail part of the rotary kiln, the ash slag can directly fall onto a turning plate in the melting furnace, the temperature of the slag on the turning plate is 850-1000 ℃ because the slag is smelted in the rotary kiln at a high temperature for a long time, other substances in the ash slag can be heated for the first time by utilizing the residual temperature of the slag at the moment, thereby forming molten slurry, and the molten slurry can slowly flow into a melting part below along with the surface of the turning plate with a height difference; at the moment, a burner of the melting part starts to work, and the melting slurry formed by the first heating is subjected to the second high-temperature heating, so that the hearth temperature of the melting furnace is 1300-1500 ℃, and the formation of high-temperature vitrified melting slurry is ensured; the water-seal slag dragging machine arranged at the bottom of the melting furnace is used for water quenching of the high-temperature vitrified molten slurry to form glass particles capable of being reused, so that the volume of ash is reduced, harmful substances in the ash are removed, and resource optimization of the ash is realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a slag-fed vitrification melting apparatus
FIG. 2 is an enlarged schematic view of a medicine lifting mechanism
FIG. 3 is an enlarged schematic view of a flap
FIG. 4 is an enlarged schematic view of a melting section
FIG. 5 is an enlarged schematic view of a waste liquid spray gun
Reference numerals: 1. a melting furnace; 11. turning plate; 12. a melting section; 121. a burner; 13. a secondary combustion chamber; 14. a temperature and pressure measuring connecting pipe; 15. a fly ash granulation conveying system; 16. a partition gate; 17. a waste liquid spray gun; 18. a chute; 2. a water seal slag dragging machine; 21. and (5) a magnetic separator.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 5: an ash feed vitrification fusion device comprising:
melting furnace 1, melting furnace 1 sets up in the afterbody of rotary kiln, includes: a flap 11 and a melting portion 12; the turnover plate 11 is used for receiving ash and heating the ash for the first time by utilizing the heat of the ash, and the melting part 12 is used for heating the molten slurry formed by the first time at a high temperature for the second time;
wherein, the turning plate 11 is provided with a height difference, the melting part 12 is arranged at one side of the turning plate 11 with low height and a burner 121 is arranged inside;
the water seal slag scooping machine 2 is arranged at the bottom of the melting furnace 1 and is used for carrying out water quenching on high-temperature vitrified molten slurry formed by the second high-temperature heating.
The rotary kiln burns the solid waste to form ash, the ash comprises substances such as fly ash, slag and the like, the melting furnace 1 is arranged at the outlet of the tail part of the rotary kiln, the ash can directly fall onto the turning plate 11 in the melting furnace 1, the temperature of the slag on the turning plate 11 is 850-1000 ℃ because the slag is smelted in the rotary kiln for a long time, other substances in the ash can be heated for the first time by utilizing the residual temperature of the slag at the moment, so as to form molten slurry, and the molten slurry can slowly flow into the melting part 12 below along with the surface of the turning plate 11 with the height difference; at this time, the burner 121 of the melting part 12 starts to work, and the melting slurry formed by the first heating is subjected to the second high-temperature heating, and the hearth temperature of the melting furnace 1 is 1300-1500 ℃, so that the formation of high-temperature vitrified melting slurry is ensured; the water seal slag scooping machine 2 arranged at the bottom of the melting furnace 1 quenches the high-temperature vitrified molten slurry to form glass particles which can be reused, thus not only reducing the volume of ash slag and removing harmful substances in the ash slag, but also realizing resource optimization of the ash slag.
In this embodiment, the melting furnace 1 further includes a secondary combustion chamber 13, and the secondary combustion chamber 13 is disposed above the flap 11 for secondary combustion of the exhaust gas generated by the rotary kiln.
The secondary combustion chamber 13 carries out secondary combustion on waste gas generated by the rotary kiln, so that unburnt organic components and other harmful gases in the waste gas of the rotary kiln are effectively removed, the gas discharged into the air at the back is ensured to be free from pollution, meanwhile, the ash entering the melting furnace 1 can be preheated in a short time by the secondary combustion chamber 13, and the effect of full reaction of the ash in the later period is improved.
In the present embodiment, the melting furnace 1 is internally provided with a temperature-measuring and pressure-measuring nipple 14.
The temperature and pressure measuring connecting pipe 14 in the melting furnace 1 is used for monitoring the pressure and the temperature in the furnace in real time, and sending out an alarm when the temperature and the pressure exceed preset values, stopping the whole melting furnace 1, and protecting the personal safety of devices and staff.
In this embodiment, fly ash granulation conveyor systems 15 are provided on both sides of the melting furnace 1.
The fly ash produced by combustion in the melting furnace 1 is fused to form particles by arranging fly ash granulation conveying systems 15 on two sides of the melting furnace 1, and the particles fall onto the surface of the turning plate 11 through a special channel and are heated together with ash slag until a final glass body is formed, so that the utilization efficiency of the fly ash is improved, and meanwhile, the pollution formed by discharging the fly ash into the air is reduced.
Preferably, the melting furnace 1 is provided with a partition gate 16.
When the melting furnace 1 needs to be overhauled, a partition gate 16 arranged in the melting furnace 1 is opened, the rotary turning plate 11 directly drops slag into the water-seal slag dragging machine 2, and then the existing isolation overhauling of the melting furnace 1 is carried out, so that the continuous operation of the ash feeding vitrification melting device is realized, and the normal operation of production is effectively ensured.
In this embodiment, a waste liquid spray gun 17 is arranged in the transition channel above the flap 11.
Through setting up waste liquid spray gun 17 in the transition passageway of turning over board 11 top, turn into tiny droplet with one or more liquid, the droplet mixes with melting furnace 1 air contact, has improved the inside combustion efficiency of melting furnace 1 better, burns waste gas simultaneously, has reduced the exhaust emission, has protected the environment.
In the embodiment, a chute 18 communicated with the water seal slag conveyor 2 is arranged below the turning plate 11.
A chute 18 communicated with the water-seal slag scooping machine 2 is arranged below the turning plate 11, and when the melting furnace 1 runs abnormally or stops running, the burned residual slag can enter the water-seal slag scooping machine 2 from the chute 18 through the rotary turning plate 11; when the melting furnace 1 runs, slag contains iron sheets, refractory bricks and other infusions, when the infusions are accumulated to a certain amount, the turning plate 11 can be rotated to drop the infusions into the water seal slag conveyor 2 from the chute 18, thereby avoiding the blocking phenomenon of the melting furnace 1 and ensuring the normal feeding of the melting furnace 1.
In the embodiment, a magnetic separator 21 is arranged at the bottom of the water seal slag conveyor 2.
The magnetic separator 21 arranged at the bottom of the water seal slag dragging machine 2 can adsorb mineral matters in slag, so that the mineral matters are separated, the separated mineral matters can be further purified, and the utilization efficiency of mineral matters is improved.
In the present embodiment, the side of the secondary combustion chamber 13 is provided with a medicine lifting mechanism.
By arranging the medicament lifting mechanism on one side of the secondary combustion chamber 13, medicaments are lifted to the vicinity of the special channel, and fall onto the turning plate 11 through the special channel, so that substances such as ash and the like are combusted more fully, and the conversion efficiency of the substances such as ash and the like is improved.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. An ash feed vitrification fusion apparatus, comprising:
the melting furnace, the melting furnace sets up in the afterbody of rotary kiln, includes: a flap and a melting portion; the turning plate is used for receiving ash and heating the ash for the first time by utilizing the heat of the ash, and the melting part is used for heating the molten slurry formed by the first time at a high temperature for the second time;
the melting part is arranged at one side with low height of the turning plate and is internally provided with a burner;
the water-seal slag scooping machine is arranged at the bottom of the melting furnace and is used for carrying out water quenching on high-temperature vitrified molten slurry formed by the second high-temperature heating.
2. The ash feed vitrification melting apparatus of claim 1, wherein the melting furnace further comprises a secondary combustion chamber disposed above the flap for post-combusting exhaust gases generated by the rotary kiln.
3. The ash feed vitrification melting apparatus of claim 2, wherein a temperature and pressure tap is provided inside the melting furnace.
4. The ash feed vitrification melting apparatus of claim 3, wherein fly ash granulation conveyor systems are provided on both sides of the melting furnace.
5. The ash feed vitrification melting apparatus of claim 4, wherein a partition gate is disposed in the melting furnace.
6. The ash feed vitrification melting apparatus of claim 1, wherein a waste liquid spray gun is disposed in the transition channel above the flap.
7. The ash feed vitrification melting apparatus of claim 1, wherein a chute is provided below the flap and is in communication with the water seal dragveyer.
8. The ash feed vitrification melting apparatus of claim 7, wherein a magnetic separator is provided at the bottom of the water seal slag extractor.
9. The ash feed vitrification melting apparatus of claim 2, wherein a medicament lifting mechanism is provided on one side of the secondary combustion chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322338112.5U CN220601522U (en) | 2023-08-29 | 2023-08-29 | Ash feeding vitrification melting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322338112.5U CN220601522U (en) | 2023-08-29 | 2023-08-29 | Ash feeding vitrification melting device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220601522U true CN220601522U (en) | 2024-03-15 |
Family
ID=90173902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322338112.5U Active CN220601522U (en) | 2023-08-29 | 2023-08-29 | Ash feeding vitrification melting device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220601522U (en) |
-
2023
- 2023-08-29 CN CN202322338112.5U patent/CN220601522U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107363072B (en) | Molten bath smelting method for waste | |
CN103831285B (en) | Aluminium electroloysis is given up breeze innocuity disposal system and method thereof | |
WO2012065327A1 (en) | Continuous lead smelting device and continuous lead smelting method | |
CN206094103U (en) | Compound plasma melting furnace of waste incineration fly ash | |
WO2022105355A1 (en) | Waste incineration ash treatment system and method based on large coal-fired power station solid-state slag removal boiler | |
CN112460603B (en) | Hazardous waste incineration system and hazardous waste incineration method | |
CN112254133A (en) | Novel dangerous waste combustion online coupling plasma melting integrated system | |
CN104456576A (en) | Melting incineration system and incineration process thereof | |
CN112209616A (en) | High-temperature melting process and system of thermal plasma torch | |
CN113551236A (en) | Plasma melting furnace and method of using the same | |
CN110425541A (en) | A kind of enhanced plasma gasification melting furnace of bottom blowing pure oxygen | |
CN220601522U (en) | Ash feeding vitrification melting device | |
CN206669750U (en) | Energy-saving plasma dangerous waste disposal system | |
CN200968776Y (en) | Multifunctional industry furnace | |
CN206145688U (en) | Dangerous waste disposal burns melting process systems | |
CN111250510B (en) | Flying ash melting treatment device and flying ash melting treatment method operating in sections | |
CN102380501B (en) | U-shaped high-temperature waste recycling furnace | |
CN102506433B (en) | L-shaped combined high-temperature electronic garbage incinerator | |
CN217464441U (en) | Hazardous waste burns melting integration processing system | |
CN201565226U (en) | System for dedusting smoke discharged in smelting outside furnace | |
CN112355033B (en) | High-temperature melting system of thermal plasma torch | |
CN104119008B (en) | Utilize flue gas calcining to produce the device of lime | |
CN212253668U (en) | Roasting furnace for treating industrial waste salt | |
CN210314351U (en) | Vanadium pentoxide fuse-piece furnace | |
CN210215494U (en) | Metal solid waste and organic waste liquid synergetic continuous smelting device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |