CN115539964A - Mobile household garbage plasma gasification melting system - Google Patents

Mobile household garbage plasma gasification melting system Download PDF

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Publication number
CN115539964A
CN115539964A CN202210974562.0A CN202210974562A CN115539964A CN 115539964 A CN115539964 A CN 115539964A CN 202210974562 A CN202210974562 A CN 202210974562A CN 115539964 A CN115539964 A CN 115539964A
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CN
China
Prior art keywords
gasification melting
plasma gasification
melting furnace
temporary storage
plasma
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Pending
Application number
CN202210974562.0A
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Chinese (zh)
Inventor
杜长明
丁佳敏
蔡晓伟
陆胜勇
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Research Institute of Zhejiang University Taizhou
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Research Institute of Zhejiang University Taizhou
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Priority to CN202210974562.0A priority Critical patent/CN115539964A/en
Publication of CN115539964A publication Critical patent/CN115539964A/en
Pending legal-status Critical Current

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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
    • F23G5/40—Portable or mobile incinerators
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/085—High-temperature heating means, e.g. plasma, for partly melting the waste
    • 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • 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
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • 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
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • 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
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00—Supplementary heating arrangements
    • F23G2204/20—Supplementary heating arrangements using electric energy
    • F23G2204/201—Plasma
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste

Abstract

The invention discloses a movable household garbage plasma gasification melting system, which comprises a movable carriage and a plasma gasification melting device, wherein the plasma gasification melting device is arranged on the movable carriage, and comprises an automatic feeder, a crusher, a temporary storage box, a conveyor, a plasma gasification melting furnace, a slag discharging pool, a secondary combustion chamber, a gas filtering device, a dust remover and a chimney.

Description

Mobile household garbage plasma gasification melting system
Technical Field
The invention belongs to the field of solid waste treatment, and relates to a mobile household garbage plasma gasification melting system.
Background
Along with the development of economy in China, the production amount of urban domestic garbage rises year by year, and the harmonious development between urban economy and environment is seriously influenced. How to treat the domestic garbage thoroughly and timely becomes a topic of great attention. In recent years, the classification and treatment level of domestic garbage in China is improved, so that the centralized classification treatment of the domestic garbage is developed to a certain extent. Inevitably, some communities, islands, rural remote areas and other remote areas still face certain transportation and treatment problems.
Disclosure of Invention
The invention provides a mobile household garbage plasma gasification melting system for overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a portable domestic waste plasma gasification melting system, includes removal carriage and plasma gasification melting device, and plasma gasification melting device sets up in removing the carriage, and plasma gasification melting device includes automatic feed machine, breaker, temporary storage case, conveyer, plasma gasification melting furnace, slag discharging pool, second combustion chamber, gas filtration device, dust remover and chimney.
Furthermore, the movable carriage comprises a carriage body, a rotating wheel and a traction hook position, the rotating wheel is arranged at the bottom of the carriage body, the traction hook position is arranged at two ends of the carriage body, the traction hook position is used for being connected with an external traction device, and the traction device is connected with the carriage body through the traction hook position.
Further, automatic feed machine includes organism, feed arrangement and opens and shuts the device, and feed arrangement and the device that opens and shuts set up respectively in the organism, and the organism sets up the machine chamber, and feed arrangement sets up and is located the machine chamber.
Further, the automatic feeder is connected with the crusher, the automatic feeder receives the household garbage and automatically transmits the household garbage to the crusher for garbage crushing, the crusher is connected with the temporary storage box, the crushed garbage is transmitted to the temporary storage box for temporary storage, the conveyor is located between the temporary storage box and the plasma gasification melting furnace, the temporary storage box is connected with the plasma gasification melting furnace through the conveyor, the conveyor transmits the crushed garbage temporarily stored in the temporary storage box to the plasma gasification melting furnace, the plasma gasification melting furnace comprises a slag outlet end and a gas outlet end, the slag outlet end is located at the bottom of the plasma gasification melting furnace, the gas outlet end is located at the top of the plasma gasification melting furnace, the plasma gasification melting furnace is connected with a slag discharging pool through the slag outlet end, the plasma gasification melting furnace is connected with the secondary combustion chamber through the gas outlet end, the secondary combustion chamber is connected with a gas filtering device, the gas filtering device is connected with the dust remover, and the dust remover is connected with a chimney, and the treated gas is discharged into the atmosphere through the chimney.
Furthermore, the automatic feeder, the crusher, the temporary storage box, the plasma gasification melting furnace, the slag discharge tank, the secondary combustion chamber, the gas filtering device, the dust remover and the chimney are connected in a split type or an integrated type.
Further, the conveyor is provided as a screw conveyor.
Further, the plasma gasification melting furnace is provided with a plasma torch.
Further, the gas filtering device is provided with a plurality of absorbents, including the absorbents used for desulfurization, denitration and deacidification.
Further, the dust remover is provided with a dry dust filtering device.
Furthermore, the crusher is provided with a sorting device, and the second combustion chamber is provided with a heat recovery device.
A use method of a mobile household garbage plasma gasification melting system comprises the following steps:
step 1: opening an opening and closing device of the automatic feeder 1, starting the feeding device, and receiving the household garbage by the automatic feeder 1 and transmitting the household garbage to the crusher 2;
and 2, step: the crusher 2 crushes the garbage and transmits the garbage to the temporary storage box 3 for temporary storage;
and 3, step 3: the conveyor 4 starts to convey the crushed garbage temporarily stored in the temporary storage box 3 to the plasma gasification melting furnace 5;
and 4, step 4: the plasma gasification melting furnace 5 melts the waste;
and 5: the plasma gasification melting furnace 5 conveys the synthetic gas to a second combustion chamber 7, and conveys the slag to a slag discharging pool 6;
and 6: the second combustion chamber 7 further processes the synthesis gas;
and 7: the gas filtering device 8 receives and filters the gas treated by the second combustion chamber 7;
and 8: the dust remover 9 receives the gas filtered by the gas filtering device 8 and removes dust and filters;
and step 9: the stack 10 discharges the gas treated by the dust separator 9 to the atmosphere;
step 10: and finishing the step.
Further, the plasma gasification melting system comprises a movable carriage and a plasma gasification melting device, the plasma gasification melting device is arranged on the movable carriage, and the plasma gasification melting device comprises an automatic feeder, a crusher, a temporary storage box, a conveyor, a plasma gasification melting furnace, a slag discharging pool, a secondary combustion chamber, a gas filtering device, a dust remover and a chimney.
Further, remove the carriage and include carriage, runner and draw and collude the position, the runner sets up in the carriage bottom, draws and colludes the position and set up in the both ends of carriage, draws and colludes the position and be used for being connected with external draw gear, colludes the position through drawing and makes draw gear and carriage be connected.
Further, automatic feed machine includes organism, feed arrangement and opens and shuts the device, and feed arrangement and the device that opens and shuts set up respectively in the organism, and the organism sets up the machine chamber, and feed arrangement sets up and is located the machine chamber.
Further, the automatic feeder is connected with the crusher, the automatic feeder receives the household garbage and automatically transmits the household garbage to the crusher for garbage crushing, the crusher is connected with the temporary storage box, the crushed garbage is transmitted to the temporary storage box for temporary storage, the conveyor is located between the temporary storage box and the plasma gasification melting furnace, the temporary storage box is connected with the plasma gasification melting furnace through the conveyor, the conveyor transmits the crushed garbage temporarily stored in the temporary storage box to the plasma gasification melting furnace, the plasma gasification melting furnace comprises a slag outlet end and a gas outlet end, the slag outlet end is located at the bottom of the plasma gasification melting furnace, the gas outlet end is located at the top of the plasma gasification melting furnace, the plasma gasification melting furnace is connected with a slag discharging pool through the slag outlet end, the plasma gasification melting furnace is connected with a secondary combustion chamber through the gas outlet end, the secondary combustion chamber is connected with a gas filtering device, the gas filtering device is connected with a dust remover, the dust remover is connected with a chimney, and the treated gas is discharged into the atmosphere through the chimney.
Furthermore, the automatic feeder, the crusher, the temporary storage box, the plasma gasification melting furnace, the slag discharge tank, the secondary combustion chamber, the gas filtering device, the dust remover and the chimney are connected in a split or integrated manner.
Further, the conveyor is provided as a screw conveyor.
Further, the plasma gasification melting furnace is provided with a plasma torch.
Further, the gas filtering device is provided with a plurality of absorbents, including the absorbents used for desulfurization, denitration and deacidification.
In conclusion, the invention has the advantages that:
1) The automatic feeder, the crusher, the temporary storage box, the plasma gasification melting furnace, the slag discharge tank, the secondary combustion chamber, the gas filtering device, the dust remover and the chimney are connected in a split or integrated manner, compared with an incineration system on the same scale, the automatic feeder, the crusher, the temporary storage box, the plasma gasification melting furnace, the slag discharge tank, the secondary combustion chamber, the gas filtering device, the dust remover and the chimney are more compact, the size is smaller, the problem of domestic garbage treatment in fragmented communities, remote areas and emergency is effectively solved, and the cleanliness of discharged gas is ensured by further treating the synthetic gas through the plasma gasification melting furnace, the secondary combustion chamber, the gas filtering device and the dust remover.
2) The invention is provided with the traction hook position, the traction hook position is used for being connected with an external traction device, the traction device is connected with the carriage through the traction hook position, and the traction device realizes the movable effect of the application by driving the plasma gasification melting system to move, so that the invention is more flexible, convenient and efficient for treating household garbage in some communities, islands, rural areas and other remote areas.
3) According to the invention, the alternating current power supply is set as the power supply of the multiphase alternating current plasma torch, and the electrodes of the multiphase electrode assembly are alternately used as the cathode and the anode, so that the corrosion among the electrodes is more even, the corrosion of the high-temperature environment in the furnace and harmful ions to the end surface of the anode can be effectively relieved, the service lives of the anode and the cathode are greatly prolonged, and the service life of the whole plasma torch is prolonged; an alternating current high voltage is arranged between the cathode and the anode of the multi-phase electrode assembly through the alternating current power supply, and the gas inlet assembly is introduced with plasma gas, so that plasma jet flow is formed at the minimum distance between the high voltage electrodes, an alternating current-direct current conversion device is not needed, alternating current is used, current conversion equipment is reduced, a simpler transformer can be applied, and the reliability and the expansibility of the system are improved; increases the voltage drop in the arc without adding weight and cost; the alternating current arc moves more strongly, so that the convection transmission of the plasma is stronger, and the comprehensive thermal efficiency is higher.
4) The multiphase electrode assembly is composed of a plurality of groups of motors, and the plurality of groups of electrodes are distributed annularly, so that a plurality of mutually intersected arc channels are formed, the plasma area is larger, the high-temperature area is increased, a larger high-temperature area is formed, and meanwhile, a better working effect can be achieved at a lower plasma temperature.
5) The plasma torch cooling device is provided with the cooling assembly to cool the plasma torch, so that the plasma torch is ensured to be in a normal working environment.
Drawings
FIG. 1 is a schematic view of a plasma gasification melting system for mobile domestic garbage according to the present invention.
Fig. 2 is a first schematic view of the automatic feeder of the present invention.
Fig. 3 is a schematic view of an automatic feeder of the present invention.
Fig. 4 is a schematic view of a multiphase ac plasma torch according to a second embodiment of the present invention.
Fig. 5 is a second schematic view of a multiphase ac plasma torch according to a second embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
All directional indicators (such as up, down, left, right, front, back, horizontal, vertical … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, etc. in a specific attitude, and if the specific attitude changes, the directional indicator changes accordingly.
Due to installation errors and the like, the parallel relationship referred to in the embodiments of the present invention may actually be an approximately parallel relationship, and the perpendicular relationship may actually be an approximately perpendicular relationship.
The first embodiment is as follows:
as shown in fig. 1-3, a mobile household garbage plasma gasification melting system comprises a mobile carriage and a plasma gasification melting device, wherein the plasma gasification melting device is arranged in the mobile carriage, and comprises an automatic feeder 1, a crusher 2, a temporary storage box 3, a conveyor 4, a plasma gasification melting furnace 5, a slag discharge tank 6, a secondary combustion chamber 7, a gas filtering device 8, a dust remover 9 and a chimney 10.
Remove the carriage and include carriage 11, runner 13 and traction collude position 12, carriage 11 sets up to the conventional railway carriage or compartment body, runner 13 sets up in carriage 11 bottom, traction colludes position 12 and sets up in carriage 11's both ends, traction colludes position 12 and is used for being connected with external draw gear, collude position 12 through traction and make draw gear be connected with carriage 11, draw gear removes through drive plasma gasification melting system and realizes the portable effect of this application, to some communities, island and rural remote areas' domestic waste treatment such as more nimble, convenient and high-efficient.
The automatic feeder 1 comprises a machine body 1-1, a feeding device and an opening and closing device, wherein the feeding device and the opening and closing device are respectively arranged on the machine body 1-1, the machine body 1-1 is provided with a machine cavity 1-10, the feeding device is arranged in the machine cavity 1-10 and comprises a feeding motor 1-20, a feeding plate 1-24 and a plurality of feeding driving assemblies, the feeding plate 1-24 is arranged above the feeding driving assemblies, the feeding driving assemblies drive the feeding plate 1-24 to move up and down, the feeding motor 1-20 is arranged on the machine body 1-1, an output shaft of the feeding motor 1-20 stretches across the machine cavity 1-10 and is rotatably connected with the machine body 1-1, the feeding device is arranged on the output shaft, and the feeding motor 1-20 transmits the movement to the feeding device through the output shaft.
In the embodiment, the feeding driving assembly is arranged as an integrated assembly consisting of a plurality of feeding assemblies, each feeding assembly comprises an eccentric wheel 1-21, a transmission rod 1-22 and a push block 1-23, the eccentric wheels 1-21 are arranged on an output shaft, a fixing plate 1-25 is further arranged on a machine cavity 1-10, one end of each transmission rod 1-22 is movably connected with the eccentric wheel 1-21, the other end of each transmission rod 1-22 penetrates through the fixing plates 1-25 and is in sliding connection with the fixing plates 1-25, the push blocks 1-23 are arranged at the other end of the transmission rods 1-22, and the push blocks 1-23 are in contact with the feeding plates 1-24.
In this embodiment, the lengths of the transmission rods 1 to 22 of the feeding assemblies are different, as shown in fig. 2, the feeding end of the automatic feeder 1 is set as an end a in the figure, the discharging end of the automatic feeder 1 is set as an end B in the figure, and the length of the transmission rods 1 to 22 is gradually shortened from the end a to the end B, so that the feeding plates 1 to 24 are obliquely arranged, and garbage can be conveniently transmitted to the crusher 2 under the action of gravity and vibration.
The opening and closing device comprises first plywood 1-31, second plywood 1-32 and an opening and closing mechanism, wherein the first plywood 1-31 is hinged to the second plywood 1-32, the first plywood 1-31 is rotatably connected with a machine body 1-1, the opening and closing mechanism is connected with the first plywood 1-31, the second plywood 1-32 and the machine body 1-1, the opening and closing mechanism is started to control the first plywood 1-31 and the second plywood 1-32 to be folded and outwards turned to realize opening and closing, the opening and closing device is opened during garbage feeding, garbage enters the automatic feeding machine 1 and falls on the feeding boards 1-24, and the opening and closing device is reset after the feeding is finished.
The automatic feeder 1 further comprises a cleaning device, the cleaning device automatically cleans the feeding plates 1-24, the cleaning device comprises water spraying heads 1-40, water pipes and water tanks 1-41, the water spraying heads 1-40 are arranged on the first plywood 1-31 and the second plywood 1-32, the water pipes are connected with the water spraying heads 1-40 and the water tanks 1-41, the water tanks 1-41 are detachably mounted on the water pipes, when cleaning is needed, the water tanks 1-41 are connected with the water pipes, water pumps of the water tanks 1-41 are started, and the water spraying heads 1-40 spray water outwards, so that the feeding plates 1-24 are cleaned.
The bottom of the carriage 11 is fixedly provided with rotating motors 1-51, output shafts of the rotating motors 1-51 are fixedly connected with the automatic feeder 1, the carriage 11 is also fixedly provided with guide rods 1-52, the bottom of the machine body 1-1 is provided with a sliding chute, the tops of the guide rods 1-52 are arranged in the sliding chute, and the guide rods 1-52 are used for supporting the automatic feeder 1 on one hand and guiding the rotation of the automatic feeder 1 on the other hand.
In the implementation process of the automatic feeding machine 1, firstly, an opening and closing mechanism of an opening and closing device is started to control a first plywood 1-31 and a second plywood 1-32 to be folded and turned outwards to realize opening and closing, garbage enters the automatic feeding machine 1 and falls on the feeding boards 1-24, a feeding motor 1-20 is started, a plurality of feeding assemblies intermittently push the feeding boards 1-24 and enable the feeding boards 1-24 to vibrate to transmit the garbage to a crusher 2, after garbage feeding is finished, the opening and closing mechanism of the opening and closing device is closed, the first plywood 1-31 and the second plywood 1-32 are reset, at the moment, if the automatic feeding machine 1 needs to be cleaned, a rotating motor 1-51 is started to turn the automatic feeding machine 1 over 180 degrees, a water tank 1-41 is connected with a water pipe, a water pump of the water tank 1-41 is started, a water spraying head 1-40 sprays water to the feeding boards 1-24, cleaning of the feeding boards 1-24 is realized, an external waste water tank is arranged on the automatic feeding machine 1, after water is cleaned along the feeding boards 1-24, and the waste water tank falls into a waste water tank after cleaning is finished, and the automatic feeding machine 1-51 is started to reset.
The automatic feeder 1 is connected with the crusher 2, the automatic feeder 1 receives domestic garbage and automatically transmits the domestic garbage to the crusher 2 for garbage crushing, the crusher 2 is connected with the temporary storage box 3, the crushed garbage is transmitted to the temporary storage box 3 for temporary storage, the conveyor 4 is located between the temporary storage box 3 and the plasma gasification melting furnace 5, the temporary storage box 3 is connected with the plasma gasification melting furnace 5 through the conveyor 4, the conveyor 4 is set as a spiral conveyor, the conveyor 4 transmits the crushed garbage temporarily stored in the temporary storage box 3 to the plasma gasification melting furnace 5, the plasma gasification melting furnace 5 is used for garbage melting, the plasma gasification melting furnace 5 comprises a slag outlet end 51 and a gas outlet end 52, the plasma gasification melting furnace 5 is provided with the plasma torch 50, the plasma torch 50 in the embodiment adopts a direct current plasma torch and is provided with two branches, and the two branches of the plasma torch 50 are obliquely arranged in the plasma gasification melting furnace 5.
The slag outlet 51 is located at the bottom of the plasma gasification melting furnace 5, the gas outlet 52 is located at the top of the plasma gasification melting furnace 5, the plasma gasification melting furnace 5 is connected with the slag discharging pool 6 through the slag outlet 51, the plasma gasification melting furnace 5 is connected with the secondary combustion chamber 7 through the gas outlet 52, the synthetic gas is further processed through the secondary combustion chamber 7 to convert harmful gas into harmless gas, the secondary combustion chamber 7 is connected with the gas filtering device 8, the gas filtering device 8 of the embodiment is provided with a plurality of absorbents including absorbents for desulfurization, denitrification and deacidification respectively, thereby ensuring the cleanliness of the gas, the gas filtering device 8 is connected with the dust remover 9, the dust remover 9 is provided with a dry dust filtering device, such as a cloth bag dust remover, the gas filtered by the gas filtering device 8 is filtered by the dust remover 9 to remove water vapor in the gas, so that no wastewater is generated, the dust remover 9 is connected with the chimney 10, and the treated clean gas is discharged into the atmosphere through the chimney 10, the automatic feeder 1, the crusher 2, the temporary storage tank 3, the plasma gasification melting furnace 5, the slag discharging pool 6, the secondary combustion chamber 7, the gas filtering device 8, the dust remover 9 and the chimney 10 are connected in a split or integrated manner, so that the system is more compact and smaller in volume compared with a same-scale incineration system, the problem of domestic garbage treatment in fragmentation communities, remote areas and emergency is effectively solved, and the cleanliness of the discharged gas is ensured by further treating the synthetic gas through the plasma gasification melting furnace 5, the secondary combustion chamber 7, the gas filtering device 8 and the dust remover 9.
Preferably, the automatic feeder 1 may extend outside the cabin 11 for easy feeding.
Preferably, a sorting device can be arranged in the crusher 2, and bag breaking and large-object sorting functions can be realized through the sorting device.
Preferably, the second combustion chamber 7 is provided with a heat recovery device, and the heat recovery device recovers heat, so that the utilization rate of energy is improved.
Example two:
as shown in fig. 4 to 5, the present embodiment is different from the first embodiment in that the plasma-gasification melting furnace 5 is provided with a dc plasma torch 50, while the plasma-gasification melting furnace 5 is provided with a multiphase ac plasma torch in the present embodiment.
The multi-phase ac plasma torch includes a main body 50-0, a multi-phase electrode assembly 50-1, an air intake assembly, a cooling assembly, and a power supply assembly, and the multi-phase electrode assembly 50-1, the air intake assembly, the cooling assembly, and the power supply assembly are respectively connected to the main body 50-0.
The main body 50-0 is provided with a connecting flange 50-2, the connecting flange 50-2 is connected with the plasma furnace, so that the multiphase alternating current plasma torch is connected with the plasma furnace, and the multiphase electrode assembly 50-1 is arranged on the connecting flange 50-2.
The multi-phase electrode assembly 50-1 is composed of a plurality of sets of motors, and in the embodiment, the multi-phase electrode assembly 50-1 comprises 12 electrodes, as shown in fig. 5, 12 electrodes are distributed in a ring shape, and an included angle of 30 degrees is formed between adjacent electrodes, so that a plurality of arc channels which are intersected with each other are formed, a plasma area is larger, a high-temperature area is enlarged, a larger high-temperature area is formed, and a better working effect can be achieved at a lower plasma temperature.
The connecting flange 50-2 is fixedly provided with the insulator 50-3, and the insulator 50-3 is connected between the plasma furnace and the connecting flange 50-2, so that the insulating effect is realized, and the multiphase electrode assembly 50-1 is further supported.
The gas inlet assembly includes a gas inlet 50-4 and a gas inlet passage (not shown), the gas inlet passage is located inside the main body 50-0, the gas inlet 50-4 is communicated with the gas inlet passage, the gas inlet passage is communicated with the multi-arc passage, and the plasma gas is introduced into the multi-arc passage through the gas inlet 50-4 and the gas inlet passage in sequence.
The cooling assembly comprises a circulating water inlet 50-5, a circulating water channel (not shown) and a circulating water outlet 50-6, the circulating water channel is positioned inside the main body 50-0, the circulating water channel is respectively communicated with the circulating water inlet 50-5 and the circulating water outlet 50-6, circulating water sequentially circulates along the circulating water inlet 50-5, the circulating water channel and the circulating water outlet 50-6, and the circulating water cools the plasma torch to ensure that the plasma torch is in a normal working environment.
The power supply assembly comprises a cable outlet 50-7 and a cable channel (not shown), the cable channel is provided with a cable (not shown), the cable is respectively connected with the electrode of the multiphase electrode assembly 50-1 and an alternating current power supply, and the alternating current power supply is a power supply of the multiphase alternating current plasma torch.
In the embodiment, the alternating current power supply is a power supply of the multiphase alternating current plasma torch, so that the electrodes of the multiphase electrode assembly 50-1 are alternately used as cathodes and anodes, the corrosion among the electrodes is more even, the corrosion of a high-temperature environment in a furnace and harmful ions to the end face of the anode can be effectively relieved, the service lives of the anode and the cathode are greatly prolonged, and the service life of the whole plasma torch is prolonged; an alternating current high voltage is set between the cathode and the anode of the multi-phase electrode assembly 50-1 through an alternating current power supply, and plasma gas is introduced into the gas inlet assembly, so that plasma jet flow is formed at the minimum distance between the high voltage electrodes, an alternating current-direct current conversion device is not needed, alternating current is used, current conversion equipment is reduced, a simpler transformer can be applied, and the reliability and the expansibility of the system are improved; increases the voltage drop in the arc without adding weight and cost; the alternating current arc moves more strongly, so that the convection transmission of the plasma is stronger, and the comprehensive thermal efficiency is higher.
The application also provides a use method of the mobile household garbage plasma gasification melting system, which comprises the following steps:
step 1: opening an opening and closing device of the automatic feeder 1, starting the feeding device, and receiving the household garbage and transmitting the household garbage to the crusher 2 by the automatic feeder 1;
step 2: the crusher 2 crushes the garbage and transmits the garbage to the temporary storage box 3 for temporary storage;
and step 3: the conveyor 4 starts to convey the crushed garbage temporarily stored in the temporary storage box 3 to the plasma gasification melting furnace 5;
and 4, step 4: the plasma gasification melting furnace 5 melts the waste;
and 5: the plasma gasification melting furnace 5 conveys the synthetic gas to a second combustion chamber 7, and conveys the slag to a slag discharging pool 6;
step 6: the second combustion chamber 7 further processes the synthesis gas;
and 7: the gas filtering device 8 receives and filters the gas treated by the second combustion chamber 7;
and 8: the dust remover 9 receives the gas filtered by the gas filtering device 8 and removes dust and filters;
and step 9: the stack 10 discharges the gas treated by the dust separator 9 to the atmosphere;
step 10: and finishing the step.
It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (10)

1. A portable domestic waste plasma gasification melting system which characterized in that: the plasma gasification melting device comprises an automatic feeder, a crusher, a temporary storage box, a conveyor, a plasma gasification melting furnace, a slag discharging pool, a secondary combustion chamber, a gas filtering device, a dust remover and a chimney.
2. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the movable carriage comprises a carriage body, a rotating wheel and a traction hook position, the rotating wheel is arranged at the bottom of the carriage body, the traction hook position is arranged at two ends of the carriage body, the traction hook position is used for being connected with an external traction device, and the traction device is connected with the carriage body through the traction hook position.
3. The mobile domestic waste plasma gasification melting system of claim 2, wherein: the automatic feeder comprises a machine body, a feeding device and an opening and closing device, wherein the feeding device and the opening and closing device are respectively arranged on the machine body, the machine body is provided with a machine cavity, and the feeding device is arranged in the machine cavity.
4. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the automatic feeding machine is connected with the crusher, the automatic feeding machine receives household garbage and automatically transmits the household garbage to the crusher for garbage crushing, the crusher is connected with the temporary storage box, the crushed garbage is transmitted to the temporary storage box for temporary storage, the conveyor is positioned between the temporary storage box and the plasma gasification melting furnace, the temporary storage box is connected with the plasma gasification melting furnace through the conveyor, the conveyor transmits the crushed garbage temporarily stored in the temporary storage box to the plasma gasification melting furnace, the plasma gasification melting furnace comprises a slag outlet end and a gas outlet end, the slag outlet end is positioned at the bottom of the plasma gasification melting furnace, the gas outlet end is positioned at the top of the plasma gasification melting furnace, the plasma gasification melting furnace is connected with a slag discharging pool through the slag outlet end, the plasma gasification melting furnace is connected with a secondary combustion chamber through the gas outlet end, the secondary combustion chamber is connected with a gas filtering device, the gas filtering device is connected with a dust remover, the dust remover is connected with a chimney, and the treated gas is discharged into the atmosphere through the chimney.
5. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the automatic feeder, the crusher, the temporary storage box, the plasma gasification melting furnace, the slag discharge tank, the secondary combustion chamber, the gas filtering device, the dust remover and the chimney are connected in a split or integrated manner.
6. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the conveyor is provided as a screw conveyor.
7. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the plasma gasification melting furnace is provided with a plasma torch.
8. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the gas filtering device is provided with a plurality of absorbents including the absorbents used for desulfurization, denitration and deacidification.
9. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the dust remover is a dry dust filtering device.
10. The mobile domestic waste plasma gasification melting system of claim 1, wherein: the crusher is provided with a sorting device, and the second combustion chamber is provided with a heat recovery device.
CN202210974562.0A 2022-08-15 2022-08-15 Mobile household garbage plasma gasification melting system Pending CN115539964A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210974562.0A CN115539964A (en) 2022-08-15 2022-08-15 Mobile household garbage plasma gasification melting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210974562.0A CN115539964A (en) 2022-08-15 2022-08-15 Mobile household garbage plasma gasification melting system

Publications (1)

Publication Number Publication Date
CN115539964A true CN115539964A (en) 2022-12-30

Family

ID=84724267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210974562.0A Pending CN115539964A (en) 2022-08-15 2022-08-15 Mobile household garbage plasma gasification melting system

Country Status (1)

Country Link
CN (1) CN115539964A (en)

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