WO2019085542A1 - Device using microwave plasma to process plastic waste - Google Patents
Device using microwave plasma to process plastic waste Download PDFInfo
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- WO2019085542A1 WO2019085542A1 PCT/CN2018/094714 CN2018094714W WO2019085542A1 WO 2019085542 A1 WO2019085542 A1 WO 2019085542A1 CN 2018094714 W CN2018094714 W CN 2018094714W WO 2019085542 A1 WO2019085542 A1 WO 2019085542A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- the invention relates to the field of microwave plasma used in garbage disposal, in particular to a microwave plasma processing plastic garbage device.
- plastic waste in environmental pollution is called "white pollution” (such as medical waste, electronic waste, etc.) because it is difficult to degrade.
- the plastic consumption of plastic products is not high and the biodegradability is not easy to increase.
- Plastic waste is usually disposed of by incineration or burial. Buried treatment requires a large amount of land, and plastic waste buried in the ground is difficult to degrade.
- incinerating plastic waste if the conventional low-temperature incineration method is used, because the incineration temperature is too low (about 1000 °C), harmful substances such as dioxins will be produced. These typical persistent secondary pollutants are for humans and the ecological environment. Both are potentially harmful. If incineration is carried out by means of arcing or the like, the incineration temperature is too high (9000-10000 ° C), and the energy consumption is too large, and a large amount of harmful gases such as nitrogen oxides are generated.
- the application date is June 14, 2017, and the Chinese patent application No. CN107185949A discloses a microwave plasma waste treatment device and a treatment method thereof, which comprise a microwave plasma chemical reactor, the bottom of the microwave plasma chemical reactor.
- a microwave plasma tube is provided, the microwave plasma plume generated at the microwave plasma tube being directed toward the opening of the microwave plasma chemical reactor.
- some plastic garbage particles may be directly blown by the microwave plasma plume to the opening of the microwave plasma chemical reactor without heating, which affects the effect of microwave plasma plume burning waste.
- a microwave plasma processing plastic garbage device comprising a pretreatment zone, a microwave plasma reactor connected to the pretreatment zone through a feed channel, and a microwave
- the plasma reactor is connected to the post-treatment zone connected to the discharge channel, the feed channel and the discharge channel are disposed on the same side of the microwave plasma reactor;
- the microwave plasma reactor is connected with a plurality of first microwave plasma tubes, the first microwave The plasma plume generated by the plasma tube faces away from the feed channel and the discharge channel.
- the plastic waste to be treated passes through the pretreatment zone and is transported to the microwave plasma reactor through the feed channel, and the plastic waste is deposited at the bottom of the microwave plasma reactor, that is, away from the feed channel and the discharge channel.
- the plasma plume generated by the first microwave plasma tube is directed toward the plastic waste, and the gas formed by the plastic waste is discharged from the discharge passage to the aftertreatment zone.
- the plasma plume is heated toward the plastic waste to improve the cracking efficiency of the plastic waste; and in the process of treating the garbage, the plasma plume is away from the opening of the feed channel and the discharge channel, and will not be The heated garbage is blown to the discharge passage to improve the efficiency of garbage decomposition.
- microwave plasma reactor is connected to the reaction residue processing chamber away from one end of the feed channel and the discharge channel.
- the microwave plasma reactor opens a reaction residue processing chamber at a position where the garbage is accumulated, and the residue which is not completely decomposed in the microwave plasma reactor can be discharged through the reaction residue processing chamber.
- a microwave reaction core cavity is disposed at a position of the post-treatment zone near the discharge channel, and the microwave reaction core cavity includes at least one second microwave plasma tube connected along a length direction of the discharge channel.
- the plastic garbage After being processed by the first microwave plasma tube, the plastic garbage enters the microwave reaction core cavity through the discharge channel to perform secondary decomposition treatment, thereby further improving the decomposition efficiency of the plastic garbage.
- microwave reaction core chamber is connected to the exhaust gas absorbing device at an outlet in the gas flow direction.
- the gas formed by the cracking is directly connected to the exhaust gas absorbing device, and the exhaust gas absorbing device is filled with the activated carbon and the filter to re-adsorb the discharged gas. filter.
- an auxiliary reactant adding device is connected to the microwave plasma reactor.
- the plastic waste is treated by the microwave plasma reactor, if auxiliary air blowing or additional fuel (such as water vapor, coke, etc.) is required, the addition can be performed from the auxiliary reactant adding device.
- auxiliary air blowing or additional fuel such as water vapor, coke, etc.
- the pretreatment zone comprises a conveyor belt 1 extending to the feed channel, the conveyor belt being provided with a microwave dryer, a sorting zone and a pulverizer in sequence.
- the plastic garbage passes through the conveyor belt 1 and is removed by the microwave dryer in advance; then enters the sorting zone to remove the metal, ceramics, stones and the like in the plastic garbage; the plastic garbage after sorting is sent to The pulverizer is pulverized to increase the specific surface area of the plastic waste, and the contact area with the microwave plasma plume is larger.
- a feed valve is connected to the feed passage.
- plastic waste can be delivered to the microwave plasma reactor in batches. After the plastic waste reaches a certain amount of treatment in the microwave plasma reactor, the feed valve is closed.
- first microwave plasma tube and the second microwave plasma tube have the same structure, including a microwave plasma generator, one end of the microwave plasma generator is connected to the microwave source, and the other end is connected to the plasma discharge tube; the plasma discharge tube is connected A gas path system for supplying a working gas, and a cooling chamber connected between the gas path system and the plasma discharge tube.
- the microwave plasma generator is further connected with a driving mechanism that drives the microwave plasma generator to move such that the plasma discharge tube moves toward or away from the microwave plasma reactor.
- the microwave source generates microwaves, and the plasma is excited at the plasma discharge tube; the gas path system blows the working gas at the plasma discharge tube to form a plasma plume. Since the temperature of the plasma plume is different at different lengths, when the microwave plasma generator is used to process the plastic waste, the driving mechanism pushes the plasma generator to move the generated microwave plasma plume to the microwave plasma reactor. At the location, it is convenient to treat the plastic waste located in the plasma reactor.
- the present invention has the following beneficial effects:
- the plastic waste is located at the bottom of the microwave plasma reactor, and the first microwave plasma tube connected to the side wall of the microwave plasma reactor is arranged toward the direction of the plastic waste, thereby increasing the storage time of the plastic waste in the microwave plasma reactor. Increase the efficiency of plastic waste treatment;
- the gas formed by the plastic waste in the microwave plasma reactor is discharged from the discharge passage, and the second microwave plasma tube is disposed on the discharge passage to further decompose the gas, thereby further improving the processing efficiency of the plastic waste;
- the outlet of the second microwave plasma tube is directly connected to the exhaust gas absorption device, and the secondary decomposed gas directly enters the exhaust gas absorption device for treatment to reduce the discharge of secondary pollutants.
- FIG. 1 is a schematic structural view of a microwave plasma processing plastic garbage device in the first embodiment
- FIG. 2 is a schematic structural view of a first microwave plasma tube and a second microwave plasma tube
- pretreatment zone 10, conveyor belt 1; 11, conveyor belt 2; 12, microwave drying zone; 13, microwave dryer; 14, sorting zone; 15, sorting residue processing zone; 2, microwave plasma reactor; 21, feed channel; 211, feed valve; 22, discharge channel; 23, first microwave plasma tube; 231, microwave plasma generator; 2311, microwave source; , circulator; 2313, water load; 2314, dual directional coupler; 2315, three pin adjuster; 2316, tapered waveguide; 2317, plasma discharge tube; 232, pneumatic system; 2321, gas cylinder; 2323, mixing chamber; 2324, carrier gas tube; 233, cooling chamber; 2331, cooling water inlet; 2332, cooling water outlet; 234, driving mechanism; 24, auxiliary reactant adding device; 25, reaction residue processing chamber 3, post-processing area; 31, microwave reaction core cavity; 311, second microwave plasma tube; 32, exhaust gas absorption device; 33, exhaust chimney.
- a microwave plasma processing plastic garbage device as shown in FIGS. 1 and 2, includes a pretreatment zone 1, a microwave plasma reactor 2 connected to the pretreatment zone 1, and a microwave plasma reactor 2 connected thereto Processing area 3.
- the plastic waste enters the microwave plasma reactor 2 after passing through the pretreatment zone 1, and the gas formed by the cracking in the microwave plasma reactor 2 is discharged from the post-treatment zone 3.
- the pretreatment zone 1 includes a conveyor belt 10 leading to the microwave plasma reactor 2, one end of the conveyor belt 10 being the feed end, and the other end being connected to the microwave plasma reactor 2 as the discharge end.
- the conveyor belt 10 is provided with a microwave drying zone 12, a sorting zone 14 and a comminution zone in this order from the feed end.
- a microwave dryer 13 is connected to the microwave drying zone 12 to dry the plastic garbage, so that the moisture in the plastic garbage is less than 5%.
- the plastic garbage arrives at the sorting area 14 and can be screened by metal or stone, ceramics, etc., which are difficult to be cracked by plastic or plastic.
- the sorting zone 14 is connected to the sorting residue processing zone 15 by a conveyor belt 2, and the sieved impurities are conveyed to the sorting residue processing zone 15 via the conveyor belt 2, awaiting centralized processing.
- the crushing zone is equipped with a pulverizer 16, and the plastic waste remaining after the sorting of the plastic waste is transported to the pulverizer 16 through the conveyor belt 10, and the plastic waste is further pulverized to form particles having a diameter of 1-10 cm, which is convenient for microwave plasma.
- the body reaction furnace 2 is heat treated.
- the microwave plasma reactor 2 includes a feed passage 21 connected to the conveyor belt 10 to receive the plastic waste conveyed to the microwave plasma reactor 2.
- a feed valve 211 is installed at the feed passage 21, and when the plastic waste is processed in the microwave plasma reactor 2, the feed valve 211 can be closed to intermittently treat the plastic waste.
- the microwave plasma reactor 2 further includes a discharge passage 22, and the discharge passage 22 and the feed passage 21 are disposed on the same side of the microwave plasma reactor 2.
- the side of the microwave plasma reactor 2 remote from the feed channel 21 and the discharge channel 22 is the bottom of the microwave plasma reactor 2, and four first microwave plasmas are connected at a position near the bottom of the side wall of the microwave plasma.
- the four first microwave plasma tubes 23 are symmetrically disposed two by two and are arranged upward from the bottom of the microwave plasma reactor 2.
- the first microwave plasma tube 23 is disposed along the circumferential direction of the microwave plasma reactor 2, and the microwave plasma plume generated by the first microwave plasma tube 23 faces the bottom of the microwave plasma reactor 2.
- the first microwave plasma includes a microwave plasma generator 231, a gas path system 232 that supplies a working gas for the microwave plasma, and a cooling chamber 233 is disposed between the gas path system 232 and the microwave plasma generator 231.
- the microwave plasma generator 231 includes a microwave source 2311 for generating microwaves.
- the circulator 2312, the double directional coupler 2314, the three pin adjuster 2315, and the gradual waveguide 2316 are sequentially bolted to the microwave source 2311.
- a water load 2313 is connected above the circulator 2312 for absorbing reflected microwaves.
- the three pin adjuster 2315 can achieve impedance matching, so that the reflected power is less than 5%, and the microwave reflected power is prevented from injuring the microwave source 2311.
- a plasma discharge tube 2317 is connected at a position where a microwave plasma plume is generated at an end of the tapered waveguide 2316, and the plasma discharge tube 2317 restricts the plasma plume in the plasma discharge tube 2317 using a fused silica glass tube.
- the pneumatic system 232 is configured in a manner that multiple gases can be mixed.
- the gas path system 232 includes a plurality of different types of gas cylinders 2321.
- the microwave plasma generator 231 generates a microwave gas plume at a position setting mixing gas chamber 2323.
- the gas outlet of the gas bottle 2321 is connected to the mixing chamber 2323 through a gas pipeline.
- a flow regulator 2322 is provided on the gas line.
- the argon gas cylinder 2321 further divides a branch gas path, and the branch gas path extends through the carrier gas tube 2324 to the plasma discharge tube 2317, and argon gas is used as a carrier gas to generate an ionized gas.
- a cooling chamber 233 is provided between the mixing chamber 2323 and the plasma discharge tube 2317.
- the cooling chamber 233 has a cooling water inlet 2331 at one end and a cooling water outlet 2332 at the other end. During the generation of the plasma plume, cooling water is continuously supplied to the cooling chamber 233 to cool down.
- the microwave plasma generator 231 is connected to a driving mechanism 234.
- the driving mechanism 234 employs a stepping motor.
- the drive mechanism 234 drives the microwave plasma generator 231 to move, thereby causing the plasma plume to extend into the microwave plasma reactor 2 to a different depth.
- the plastic waste is transported from the feed passage 21 to the microwave plasma reactor 2 and deposited at the bottom of the microwave plasma reactor 2. During this process, some plastic waste may not be broken down to form solid waste.
- the bottom of the microwave plasma reactor 2 is connected to the reaction residue processing chamber 25 by a flange, and the solid waste remaining in the microwave plasma reactor 2 can be periodically cleaned.
- the side wall of the microwave plasma reactor 2 is flanged to assist the reactant addition device 24, and the auxiliary reactant addition device 24 can be directed to the microwave plasma.
- the auxiliary material required for the reaction such as water vapor, coke, and the like, is added to the reaction furnace 2.
- the post-treatment zone 3 includes a microwave reaction core chamber 31, an exhaust gas absorbing device 32 bolted to the microwave reaction core chamber 31, and a smoke exhaust chimney 33 connected to the exhaust gas absorbing device 32.
- the microwave reaction core chamber 31 is adjacent to the microwave plasma reactor 2 for secondary decomposition of plastic waste.
- the microwave reaction core cavity 31 and the discharge channel 22 are bolted and fixed, and the sidewall of the microwave reaction core cavity 31 is connected to a second microwave plasma tube 311.
- a plurality of second microwave plasma tubes 311 may be arranged side by side according to actual conditions. .
- the second microwave plasma tube 311 has the same structure as the first microwave plasma tube 23 for heating plastic waste.
- the microwave plasma plume generated by the second microwave plasma tube 311 is disposed away from the microwave plasma reactor 2 along the length of the discharge passage 22. After passing through the second microwave plasma tube 311, the gas directly enters the exhaust gas absorbing device 32.
- the inlet of the exhaust gas absorbing device 32 is sequentially connected to the filter screen and the activated carbon treatment layer (not shown) to further adsorb the pollutants contained in the gas. Remove.
- the plastic waste After being decomposed twice, the plastic waste passes through the exhaust gas absorbing device 32 and is discharged from the exhaust chimney 33 to realize decomposition of the plastic waste.
Abstract
A device using microwave plasma to process plastic waste comprises: a pretreatment region (1), a microwave plasma reactor (2) connected to the pretreatment region (1) by a feeding channel (21), and a post-treatment region (3) connected to the microwave plasma reactor by a discharging channel (22). The feeding channel and the discharging channel are connected to the same side of the microwave plasma reactor. Multiple first microwave plasma tubes (23) are connected in the microwave plasma reactor. A first microwave plasma tube is provided at a distance from the feeding channel and the discharging channel. The end of the microwave plasma reactor away from the feeding channel and the discharging channel is connected to a reaction residue treatment chamber (25). The device using microwave plasma to process plastic waste conveniently cleans up incompletely cracked residue in a microwave plasma reactor and improves efficiency of plastic waste processing.
Description
本发明涉及微波等离子体用于垃圾处理领域，具体涉及一种微波等离子体处理塑料垃圾装置。The invention relates to the field of microwave plasma used in garbage disposal, in particular to a microwave plasma processing plastic garbage device.
目前，环境污染中的塑料垃圾，由于难以降解而被称为“白色污染”(如医疗垃圾、电子垃圾等)，塑料产品耗量大且不易生物降解的特性导致塑料废弃物只增不减。At present, plastic waste in environmental pollution is called "white pollution" (such as medical waste, electronic waste, etc.) because it is difficult to degrade. The plastic consumption of plastic products is not high and the biodegradability is not easy to increase.
塑料垃圾废弃物通常采用焚烧或者掩埋等方式进行处理，掩埋处理需要占据较大量的土地，而且掩埋在地下的塑料垃圾废弃物也很难降解。焚烧处理塑料垃圾废弃物时，若采用常规的低温焚烧方法，由于焚烧温度过低(1000℃左右)，会产生二噁英等有害物质，这些典型持久性的二次污染物对人类和生态环境均具有潜在危害。若采用电弧等方式进行焚烧，焚烧温度太高(9000-10000℃)，能耗过大，还会产生大量的氮氧化物等有害气体。Plastic waste is usually disposed of by incineration or burial. Buried treatment requires a large amount of land, and plastic waste buried in the ground is difficult to degrade. When incinerating plastic waste, if the conventional low-temperature incineration method is used, because the incineration temperature is too low (about 1000 °C), harmful substances such as dioxins will be produced. These typical persistent secondary pollutants are for humans and the ecological environment. Both are potentially harmful. If incineration is carried out by means of arcing or the like, the incineration temperature is too high (9000-10000 ° C), and the energy consumption is too large, and a large amount of harmful gases such as nitrogen oxides are generated.
为了更加安全环保的处理塑料垃圾废弃物，申请日为2008年12月31日，公开号为CN101457934A的中国专利公开了一种等离子体焚烧垃圾处理设备，塑料垃圾废弃物进行预热处理，去除大部分水分；再采用等离子体对塑料垃圾废弃物进行处理。In order to handle plastic waste more safely and environmentally, the Chinese patent with the publication number CN101457934A on December 31, 2008 discloses a plasma incineration waste treatment equipment, and the plastic waste waste is preheated to remove large Part of the water; the plastic waste is treated with plasma.
申请日为2017年6月14日，申请公布号为CN107185949A的中国专利公开了一种微波等离子体垃圾处理装置及其处理方法，其包括微波等离子体化学反应器，微波等离子体化学反应器的底部设置微波等离子体管，微波等离子体管处产生的微波等离子体羽流朝向微波等离子体化学反应器的开口。The application date is June 14, 2017, and the Chinese patent application No. CN107185949A discloses a microwave plasma waste treatment device and a treatment method thereof, which comprise a microwave plasma chemical reactor, the bottom of the microwave plasma chemical reactor. A microwave plasma tube is provided, the microwave plasma plume generated at the microwave plasma tube being directed toward the opening of the microwave plasma chemical reactor.
垃圾推进微波等离子体化学反应器之后，有些塑料垃圾颗粒可能来不及加热就直接被微波等离子体羽流吹向微波等离子体化学反应器的开口，影响微波等离子体羽流焚烧垃圾的效果。After the garbage propulsion microwave plasma chemical reactor, some plastic garbage particles may be directly blown by the microwave plasma plume to the opening of the microwave plasma chemical reactor without heating, which affects the effect of microwave plasma plume burning waste.
发明内容Summary of the invention
本发明的目的是提供一种微波等离子体处理塑料垃圾装置，其具有方便清理微波等离 子体反应炉中未完全裂解残留物的特点。SUMMARY OF THE INVENTION It is an object of the present invention to provide a microwave plasma processing plastic waste apparatus which has the feature of facilitating cleaning of incompletely cracked residues in a microwave plasma reactor.
本发明的上述技术目的是通过以下技术方案得以实现的：一种微波等离子体处理塑料垃圾装置，包括预处理区，通过进料通道与预处理区相连设置微波等离子体反应炉，还包括与微波等离子体反应炉通过出料通道相连的后处理区，进料通道和出料通道设置于微波等离子体反应炉的同侧；微波等离子体反应炉内连接若干第一微波等离子体管，第一微波等离子体管产生的等离子体羽流背离进料通道和出料通道。The above technical object of the present invention is achieved by the following technical solutions: a microwave plasma processing plastic garbage device, comprising a pretreatment zone, a microwave plasma reactor connected to the pretreatment zone through a feed channel, and a microwave The plasma reactor is connected to the post-treatment zone connected to the discharge channel, the feed channel and the discharge channel are disposed on the same side of the microwave plasma reactor; the microwave plasma reactor is connected with a plurality of first microwave plasma tubes, the first microwave The plasma plume generated by the plasma tube faces away from the feed channel and the discharge channel.
采用以上技术方案，待处理的塑料垃圾经过预处理区后，通过进料通道输送至微波等离子体反应炉中，塑料垃圾堆积在微波等离子体反应炉的底部，即远离进料通道和出料通道的一侧。第一微波等离子体管产生的等离子体羽流朝向塑料垃圾处，塑料垃圾被裂解后形成的气体从出料通道排至后处理区内。在该过程中，等离子体羽流朝向塑料垃圾四周加热，提高塑料垃圾的裂解效率；并且在处理垃圾的过程中，等离子体羽流背离进料通道和出料通道的开口，不会将未经加热的垃圾吹向出料通道处，提高垃圾分解效率。With the above technical solution, the plastic waste to be treated passes through the pretreatment zone and is transported to the microwave plasma reactor through the feed channel, and the plastic waste is deposited at the bottom of the microwave plasma reactor, that is, away from the feed channel and the discharge channel. One side. The plasma plume generated by the first microwave plasma tube is directed toward the plastic waste, and the gas formed by the plastic waste is discharged from the discharge passage to the aftertreatment zone. In this process, the plasma plume is heated toward the plastic waste to improve the cracking efficiency of the plastic waste; and in the process of treating the garbage, the plasma plume is away from the opening of the feed channel and the discharge channel, and will not be The heated garbage is blown to the discharge passage to improve the efficiency of garbage decomposition.
进一步地，微波等离子体反应炉远离进料通道和出料通道的一端连接反应残留物处理室。Further, the microwave plasma reactor is connected to the reaction residue processing chamber away from one end of the feed channel and the discharge channel.
微波等离子体反应炉在堆积垃圾的位置处开设反应残留物处理室，微波等离子体反应炉中未完全分解的残留物可通过反应残留物处理室排出。The microwave plasma reactor opens a reaction residue processing chamber at a position where the garbage is accumulated, and the residue which is not completely decomposed in the microwave plasma reactor can be discharged through the reaction residue processing chamber.
进一步地，后处理区靠近出料通道的位置处设置微波反应核心腔，微波反应核心腔包括沿出料通道的长度方向连接的至少一个第二微波等离子体管。Further, a microwave reaction core cavity is disposed at a position of the post-treatment zone near the discharge channel, and the microwave reaction core cavity includes at least one second microwave plasma tube connected along a length direction of the discharge channel.
塑料垃圾经过第一微波等离子体管处理后，通过出料通道进入微波反应核心腔，进行二次分解处理，进一步提高塑料垃圾的分解效率。After being processed by the first microwave plasma tube, the plastic garbage enters the microwave reaction core cavity through the discharge channel to perform secondary decomposition treatment, thereby further improving the decomposition efficiency of the plastic garbage.
进一步地，微波反应核心腔沿气体流动方向的出口连接尾气吸收装置。Further, the microwave reaction core chamber is connected to the exhaust gas absorbing device at an outlet in the gas flow direction.
采用以上技术方案，塑料垃圾经过第一微波等离子体和第二微波等离子体的处理之后，裂解形成的气体直接连接尾气吸收装置，尾气吸收装置中填充活性炭和过滤网，对排放 的气体进行再次吸附过滤。According to the above technical solution, after the plastic garbage is processed by the first microwave plasma and the second microwave plasma, the gas formed by the cracking is directly connected to the exhaust gas absorbing device, and the exhaust gas absorbing device is filled with the activated carbon and the filter to re-adsorb the discharged gas. filter.
进一步地，微波等离子体反应炉上连接有辅助反应物添加装置。Further, an auxiliary reactant adding device is connected to the microwave plasma reactor.
采用以上技术方案，采用微波等离子体反应炉处理塑料垃圾时，若需要辅助吹风或者加入额外的燃料(比如水蒸气、焦炭等)时，可以从辅助反应物添加装置处进行添加。According to the above technical solution, when the plastic waste is treated by the microwave plasma reactor, if auxiliary air blowing or additional fuel (such as water vapor, coke, etc.) is required, the addition can be performed from the auxiliary reactant adding device.
进一步地，预处理区包括延伸至进料通道的传送带一，传送带一上依次设有微波干燥器、分拣区和粉碎机。Further, the pretreatment zone comprises a conveyor belt 1 extending to the feed channel, the conveyor belt being provided with a microwave dryer, a sorting zone and a pulverizer in sequence.
采用以上技术方案，塑料垃圾通过传送带一，预先经过微波干燥器除去水分；再进入分拣区，将塑料垃圾中的金属、陶瓷、石块等杂物除去；将分拣之后的塑料垃圾送至粉碎机处进行粉碎处理，以增大塑料垃圾的比表面积，与微波等离子体羽流接触面积更大。According to the above technical solution, the plastic garbage passes through the conveyor belt 1 and is removed by the microwave dryer in advance; then enters the sorting zone to remove the metal, ceramics, stones and the like in the plastic garbage; the plastic garbage after sorting is sent to The pulverizer is pulverized to increase the specific surface area of the plastic waste, and the contact area with the microwave plasma plume is larger.
优选地，进料通道处连接有进料阀门。Preferably, a feed valve is connected to the feed passage.
为提高塑料垃圾裂解效率，塑料垃圾可以分批次输送至微波等离子体反应炉中，塑料垃圾在微波等离子体反应炉中达到一定的处理量后，关闭进料阀门。In order to improve the efficiency of plastic waste cracking, plastic waste can be delivered to the microwave plasma reactor in batches. After the plastic waste reaches a certain amount of treatment in the microwave plasma reactor, the feed valve is closed.
进一步地，第一微波等离子体管和第二微波等离子体管结构相同，包括微波等离子体发生器，微波等离子体发生器一端连接微波源，另一端连接等离子体放电管；等离子体放电管处连接提供工作气体的气路***，气路***和等离子体放电管之间连接冷却室。Further, the first microwave plasma tube and the second microwave plasma tube have the same structure, including a microwave plasma generator, one end of the microwave plasma generator is connected to the microwave source, and the other end is connected to the plasma discharge tube; the plasma discharge tube is connected A gas path system for supplying a working gas, and a cooling chamber connected between the gas path system and the plasma discharge tube.
优选地，微波等离子体发生器上还连接有驱动机构，驱动机构驱使微波等离子体发生器移动，使得等离子体放电管朝向或者背离微波等离子体反应炉移动。Preferably, the microwave plasma generator is further connected with a driving mechanism that drives the microwave plasma generator to move such that the plasma discharge tube moves toward or away from the microwave plasma reactor.
采用以上技术方案，微波源产生微波，等离子体在等离子体放电管处被激发；气路***在等离子体放电管处吹入工作气体，形成等离子体羽流。由于等离子体羽流不同长度段处输出的温度不同，采用微波等离子体发生器处理塑料垃圾时，驱动机构推动等离子体发生器使得产生的微波等离子体羽流移动至微波等离子体反应炉内合适的位置处，进而方便对位于等离子体反应炉内的塑料垃圾进行处理。According to the above technical solution, the microwave source generates microwaves, and the plasma is excited at the plasma discharge tube; the gas path system blows the working gas at the plasma discharge tube to form a plasma plume. Since the temperature of the plasma plume is different at different lengths, when the microwave plasma generator is used to process the plastic waste, the driving mechanism pushes the plasma generator to move the generated microwave plasma plume to the microwave plasma reactor. At the location, it is convenient to treat the plastic waste located in the plasma reactor.
综上所述，本发明具有以下有益效果：In summary, the present invention has the following beneficial effects:
1、塑料垃圾位于微波等离子体反应炉的底部，微波等离子体反应炉侧壁连接的第一微波等离子体管朝向塑料垃圾的方向设置，增大塑料垃圾在微波等离子体反应炉中的存放时间，增大塑料垃圾处理效率；1. The plastic waste is located at the bottom of the microwave plasma reactor, and the first microwave plasma tube connected to the side wall of the microwave plasma reactor is arranged toward the direction of the plastic waste, thereby increasing the storage time of the plastic waste in the microwave plasma reactor. Increase the efficiency of plastic waste treatment;
2、塑料垃圾在微波等离子体反应炉中裂解之后形成的气体从出料通道排出，第二微波等离子体管设置在出料通道上，进一步对气体进行分解，进一步提高塑料垃圾处理效率；2. The gas formed by the plastic waste in the microwave plasma reactor is discharged from the discharge passage, and the second microwave plasma tube is disposed on the discharge passage to further decompose the gas, thereby further improving the processing efficiency of the plastic waste;
3、第二微波等离子体管的出口直接与尾气吸收装置相连，经过二次分解的气体直接进入尾气吸收装置中进行处理，减少二次污染物的排放。3. The outlet of the second microwave plasma tube is directly connected to the exhaust gas absorption device, and the secondary decomposed gas directly enters the exhaust gas absorption device for treatment to reduce the discharge of secondary pollutants.
图1为实施例一中微波等离子体处理塑料垃圾装置的结构示意图；1 is a schematic structural view of a microwave plasma processing plastic garbage device in the first embodiment;
图2为第一微波等离子体管和第二微波等离子体管的结构示意图；2 is a schematic structural view of a first microwave plasma tube and a second microwave plasma tube;
图中，1、预处理区；10、传送带一；11、传送带二；12、微波干燥区；13、微波干燥器；14、分拣区；15、分拣残余物处理区；16、粉碎机；2、微波等离子体反应炉；21、进料通道；211、进料阀门；22、出料通道；23、第一微波等离子体管；231、微波等离子体发生器；2311、微波源；2312、环形器；2313、水负载；2314、双定向耦合器；2315、三销钉调节器；2316、渐变波导；2317、等离子体放电管；232、气路***；2321、气瓶；2322、流量调节器；2323、混气腔；2324、载气管；233、冷却室；2331、冷却水入口；2332、冷却水出口；234、驱动机构；24、辅助反应物添加装置；25、反应残留物处理室；3、后处理区；31、微波反应核心腔；311、第二微波等离子体管；32、尾气吸收装置；33、排烟烟囱。In the figure, 1, pretreatment zone; 10, conveyor belt 1; 11, conveyor belt 2; 12, microwave drying zone; 13, microwave dryer; 14, sorting zone; 15, sorting residue processing zone; 2, microwave plasma reactor; 21, feed channel; 211, feed valve; 22, discharge channel; 23, first microwave plasma tube; 231, microwave plasma generator; 2311, microwave source; , circulator; 2313, water load; 2314, dual directional coupler; 2315, three pin adjuster; 2316, tapered waveguide; 2317, plasma discharge tube; 232, pneumatic system; 2321, gas cylinder; 2323, mixing chamber; 2324, carrier gas tube; 233, cooling chamber; 2331, cooling water inlet; 2332, cooling water outlet; 234, driving mechanism; 24, auxiliary reactant adding device; 25, reaction residue processing chamber 3, post-processing area; 31, microwave reaction core cavity; 311, second microwave plasma tube; 32, exhaust gas absorption device; 33, exhaust chimney.
以下结合实施例对本发明作进一步详细说明。The present invention will be further described in detail below with reference to the embodiments.
一种微波等离子体处理塑料垃圾装置，如图1和图2所示，包括预处理区1，与预处理区1相连的微波等离子体反应炉2，以及与微波等离子体反应炉2相连的后处理区3。塑料垃圾经过预处理区1之后进入微波等离子体反应炉2，在微波等离子体反应炉2中进行裂解形成的气体从后处理区3排出。A microwave plasma processing plastic garbage device, as shown in FIGS. 1 and 2, includes a pretreatment zone 1, a microwave plasma reactor 2 connected to the pretreatment zone 1, and a microwave plasma reactor 2 connected thereto Processing area 3. The plastic waste enters the microwave plasma reactor 2 after passing through the pretreatment zone 1, and the gas formed by the cracking in the microwave plasma reactor 2 is discharged from the post-treatment zone 3.
预处理区1包括通向微波等离子体反应炉2的传送带一10，传送带一10一端为进料端，另一端与微波等离子体反应炉2相连的部分为出料端。传送带一10上自进料端起依次设置有微波干燥区12、分拣区14和粉碎区。微波干燥区12上方连接有微波干燥器13，对塑料垃圾进行水分干燥处理，使塑料垃圾中的水分小于5％。The pretreatment zone 1 includes a conveyor belt 10 leading to the microwave plasma reactor 2, one end of the conveyor belt 10 being the feed end, and the other end being connected to the microwave plasma reactor 2 as the discharge end. The conveyor belt 10 is provided with a microwave drying zone 12, a sorting zone 14 and a comminution zone in this order from the feed end. A microwave dryer 13 is connected to the microwave drying zone 12 to dry the plastic garbage, so that the moisture in the plastic garbage is less than 5%.
塑料垃圾到达分拣区14处，可采用人工或者机器对夹杂在塑料垃圾中的金属、石块、陶瓷等难裂解的物质进行筛除。分拣区14通过传送带二11连接分拣残余物处理区15，筛除掉的杂质经过传送带二11输送至分拣残余物处理区15，等待集中处理。The plastic garbage arrives at the sorting area 14 and can be screened by metal or stone, ceramics, etc., which are difficult to be cracked by plastic or plastic. The sorting zone 14 is connected to the sorting residue processing zone 15 by a conveyor belt 2, and the sieved impurities are conveyed to the sorting residue processing zone 15 via the conveyor belt 2, awaiting centralized processing.
粉碎区安装有粉碎机16，塑料垃圾经过分拣之后剩余的塑料垃圾经过传送带一10输送至粉碎机16中，对塑料垃圾进一步粉碎，形成直径在1-10cm之间的颗粒，便于在微波等离子体反应炉2中加热处理。The crushing zone is equipped with a pulverizer 16, and the plastic waste remaining after the sorting of the plastic waste is transported to the pulverizer 16 through the conveyor belt 10, and the plastic waste is further pulverized to form particles having a diameter of 1-10 cm, which is convenient for microwave plasma. The body reaction furnace 2 is heat treated.
微波等离子体反应炉2包括进料通道21，进料通道21与传送带一10相连，承接输送至微波等离子体反应炉2中的塑料垃圾。进料通道21处安装有进料阀门211，塑料垃圾在微波等离子体反应炉2中进行处理时，可将进料阀门211关闭，对塑料垃圾进行间歇式处理。微波等离子体反应炉2还包括出料通道22，出料通道22与进料通道21设置在微波等离子体反应炉2的同侧。The microwave plasma reactor 2 includes a feed passage 21 connected to the conveyor belt 10 to receive the plastic waste conveyed to the microwave plasma reactor 2. A feed valve 211 is installed at the feed passage 21, and when the plastic waste is processed in the microwave plasma reactor 2, the feed valve 211 can be closed to intermittently treat the plastic waste. The microwave plasma reactor 2 further includes a discharge passage 22, and the discharge passage 22 and the feed passage 21 are disposed on the same side of the microwave plasma reactor 2.
微波等离子体反应炉2远离进料通道21和出料通道22的一侧为微波等离子体反应炉2的底部，在微波等离子体的侧壁靠近底部的位置处连接有四个第一微波等离子体管23。四个第一微波等离子体管23两两对称设置，且自微波等离子体反应炉2底部向上排列。第一微波等离子体管23沿微波等离子体反应炉2的周向设置，并且第一微波等离子体管23产生的微波等离子羽流朝向微波等离子体反应炉2的底部。The side of the microwave plasma reactor 2 remote from the feed channel 21 and the discharge channel 22 is the bottom of the microwave plasma reactor 2, and four first microwave plasmas are connected at a position near the bottom of the side wall of the microwave plasma. Tube 23. The four first microwave plasma tubes 23 are symmetrically disposed two by two and are arranged upward from the bottom of the microwave plasma reactor 2. The first microwave plasma tube 23 is disposed along the circumferential direction of the microwave plasma reactor 2, and the microwave plasma plume generated by the first microwave plasma tube 23 faces the bottom of the microwave plasma reactor 2.
结合图2，第一微波等离子体包括微波等离子体发生器231，为微波等离子体提供工作气体的气路***232，气路***232与微波等离子体发生器231之间设置冷却室233。2, the first microwave plasma includes a microwave plasma generator 231, a gas path system 232 that supplies a working gas for the microwave plasma, and a cooling chamber 233 is disposed between the gas path system 232 and the microwave plasma generator 231.
微波等离子体发生器231包括微波源2311，用于产生微波。与微波源2311依次栓接相连环形器2312、双定向耦合器2314、三销钉调节器2315和渐变波导2316。环形器2312上方连接水负载2313，用于吸收反射的微波。三销钉调节器2315可达到阻抗匹配，使反射功率小于5％，避免微波反射功率对微波源2311造成伤害。在渐变波导2316的端部产生微波等离子体羽流的位置处连接等离子体放电管2317，等离子体放电管2317采用熔融石英玻璃管将等离子体羽流限制在等离子体放电管2317内。The microwave plasma generator 231 includes a microwave source 2311 for generating microwaves. The circulator 2312, the double directional coupler 2314, the three pin adjuster 2315, and the gradual waveguide 2316 are sequentially bolted to the microwave source 2311. A water load 2313 is connected above the circulator 2312 for absorbing reflected microwaves. The three pin adjuster 2315 can achieve impedance matching, so that the reflected power is less than 5%, and the microwave reflected power is prevented from injuring the microwave source 2311. A plasma discharge tube 2317 is connected at a position where a microwave plasma plume is generated at an end of the tapered waveguide 2316, and the plasma discharge tube 2317 restricts the plasma plume in the plasma discharge tube 2317 using a fused silica glass tube.
为了方便对微波等离子体的温度进行调整，气路***232设置为多路气体可进行混合的形式。气路***232包括多个不同种类的气瓶2321，微波等离子体发生器231产生微波等离子体羽流的位置设置混气腔2323，气瓶2321的出气口通过气体管路连接至混气腔2323处，并且在气体管路上设置流量调节器2322。氩气气瓶2321再分出一条支气路，支气路通过载气管2324一直延伸至等离子体放电管2317处，采用氩气作为载气，产生电离气体。To facilitate adjustment of the temperature of the microwave plasma, the pneumatic system 232 is configured in a manner that multiple gases can be mixed. The gas path system 232 includes a plurality of different types of gas cylinders 2321. The microwave plasma generator 231 generates a microwave gas plume at a position setting mixing gas chamber 2323. The gas outlet of the gas bottle 2321 is connected to the mixing chamber 2323 through a gas pipeline. And a flow regulator 2322 is provided on the gas line. The argon gas cylinder 2321 further divides a branch gas path, and the branch gas path extends through the carrier gas tube 2324 to the plasma discharge tube 2317, and argon gas is used as a carrier gas to generate an ionized gas.
为了降低等离子体羽流对渐变波导2316的影响，在混气腔2323和等离子体放电管2317之间设置冷却室233，冷却室233一端开设冷却水入口2331，另一端开设冷却水出口2332。等离子体羽流产生过程中，在冷却室233中持续通入冷却水降温。In order to reduce the influence of the plasma plume on the tapered waveguide 2316, a cooling chamber 233 is provided between the mixing chamber 2323 and the plasma discharge tube 2317. The cooling chamber 233 has a cooling water inlet 2331 at one end and a cooling water outlet 2332 at the other end. During the generation of the plasma plume, cooling water is continuously supplied to the cooling chamber 233 to cool down.
另外，为了获得稳定的温度输出，微波等离子体发生器231连接有驱动机构234，本实施例中驱动机构234采用步进电机。驱动机构234驱使微波等离子体发生器231移动，进而使得等离子体羽流伸入微波等离子体反应炉2的深度不同。In addition, in order to obtain a stable temperature output, the microwave plasma generator 231 is connected to a driving mechanism 234. In the present embodiment, the driving mechanism 234 employs a stepping motor. The drive mechanism 234 drives the microwave plasma generator 231 to move, thereby causing the plasma plume to extend into the microwave plasma reactor 2 to a different depth.
塑料垃圾从进料通道21输送至微波等离子体反应炉2中，堆积在微波等离子体反应炉2的底部。在该过程中，可能会有部分塑料垃圾无法分解形成固体废弃物。微波等离子体反应炉2的底部通过法兰连接反应残留物处理室25，可以定期对残留在微波等离子体反应炉2中固体废弃物进行清理。The plastic waste is transported from the feed passage 21 to the microwave plasma reactor 2 and deposited at the bottom of the microwave plasma reactor 2. During this process, some plastic waste may not be broken down to form solid waste. The bottom of the microwave plasma reactor 2 is connected to the reaction residue processing chamber 25 by a flange, and the solid waste remaining in the microwave plasma reactor 2 can be periodically cleaned.
在处理不同类型的塑料垃圾时，为了使塑料垃圾分解更加充分，微波等离子体反应炉2的侧壁采用法兰连接辅助反应物添加装置24，从辅助反应物添加装置24处可向微波等离子体反应炉2中加入反应所需的辅助物料，比如水蒸气、焦炭等。 In order to make the plastic waste more fully decomposed when processing different types of plastic waste, the side wall of the microwave plasma reactor 2 is flanged to assist the reactant addition device 24, and the auxiliary reactant addition device 24 can be directed to the microwave plasma. The auxiliary material required for the reaction, such as water vapor, coke, and the like, is added to the reaction furnace 2.
塑料垃圾在微波等离子体反应炉2中处理之后，分解形成的气体从出料通道22排出进入后处理区3。后处理区3包括微波反应核心腔31，与微波反应核心腔31栓接相连的尾气吸收装置32，以及与尾气吸收装置32相连的排烟烟囱33。After the plastic waste is treated in the microwave plasma reactor 2, the gas formed by the decomposition is discharged from the discharge passage 22 into the aftertreatment zone 3. The post-treatment zone 3 includes a microwave reaction core chamber 31, an exhaust gas absorbing device 32 bolted to the microwave reaction core chamber 31, and a smoke exhaust chimney 33 connected to the exhaust gas absorbing device 32.
微波反应核心腔31靠近微波等离子体反应炉2，用于对塑料垃圾进行二次分解。微波反应核心腔31与出料通道22栓接固定，微波反应核心腔31的侧壁连接一个第二微波等离子体管311，此处也可以根据实际情况并排设置多个第二微波等离子体管311。The microwave reaction core chamber 31 is adjacent to the microwave plasma reactor 2 for secondary decomposition of plastic waste. The microwave reaction core cavity 31 and the discharge channel 22 are bolted and fixed, and the sidewall of the microwave reaction core cavity 31 is connected to a second microwave plasma tube 311. Here, a plurality of second microwave plasma tubes 311 may be arranged side by side according to actual conditions. .
第二微波等离子体管311与第一微波等离子体管23结构相同，用于对塑料垃圾进行加热。第二微波等离子体管311产生的微波等离子体羽流沿出料通道22的长度背离微波等离子体反应炉2设置。气体经过第二微波等离子体管311处理后直接进入尾气吸收装置32，尾气吸收装置32的进口处依次连接过滤网和活性炭处理层(图中未示出)，进一步对气体中包含的污染物吸附去除。The second microwave plasma tube 311 has the same structure as the first microwave plasma tube 23 for heating plastic waste. The microwave plasma plume generated by the second microwave plasma tube 311 is disposed away from the microwave plasma reactor 2 along the length of the discharge passage 22. After passing through the second microwave plasma tube 311, the gas directly enters the exhaust gas absorbing device 32. The inlet of the exhaust gas absorbing device 32 is sequentially connected to the filter screen and the activated carbon treatment layer (not shown) to further adsorb the pollutants contained in the gas. Remove.
塑料垃圾经过两次分解处理后，经过尾气吸收装置32，并且从排烟烟囱33中排出，实现塑料垃圾的分解。After being decomposed twice, the plastic waste passes through the exhaust gas absorbing device 32 and is discharged from the exhaust chimney 33 to realize decomposition of the plastic waste.
本具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。 The present invention is only an explanation of the present invention, and is not intended to limit the present invention. Those skilled in the art can make modifications without innovating the present embodiment as needed after reading the present specification, but as long as the present invention is in the right of the present invention. All requirements are protected by patent law.
Claims (9)
- 一种微波等离子体处理塑料垃圾装置，包括预处理区(1)，其特征在于：通过进料通道(21)与预处理区(1)相连设置微波等离子体反应炉(2)，还包括与微波等离子体反应炉(2)通过出料通道(22)相连的后处理区(3)，进料通道(21)和出料通道(22)设置于微波等离子体反应炉(2)的同侧；微波等离子体反应炉(2)内连接若干第一微波等离子体管(23)，第一微波等离子体管(23)产生的等离子体羽流背离进料通道(21)和出料通道(22)。A microwave plasma processing plastic garbage device comprises a pretreatment zone (1), characterized in that a microwave plasma reactor (2) is arranged through a feed channel (21) and a pretreatment zone (1), and includes The microwave plasma reactor (2) is disposed in the post-treatment zone (3) connected to the discharge channel (22), and the feed channel (21) and the discharge channel (22) are disposed on the same side of the microwave plasma reactor (2) The microwave plasma reactor (2) is connected to a plurality of first microwave plasma tubes (23), and the plasma plume generated by the first microwave plasma tubes (23) faces away from the feed channel (21) and the discharge channel (22) ).
- 根据权利要求1所述的微波等离子体处理塑料垃圾装置，其特征在于：微波等离子体反应炉(2)远离进料通道(21)和出料通道(22)的一端连接反应残留物处理室(25)。The microwave plasma processing plastic garbage apparatus according to claim 1, wherein the microwave plasma reactor (2) is connected to the reaction residue processing chamber away from one end of the feed channel (21) and the discharge channel (22) ( 25).
- 根据权利要求2所述的微波等离子体处理塑料垃圾装置，其特征在于：后处理区(3)靠近出料通道(22)的位置处设置微波反应核心腔(31)，微波反应核心腔(31)包括沿出料通道(22)的长度方向连接的至少一个第二微波等离子体管(311)。The microwave plasma processing plastic garbage apparatus according to claim 2, wherein the post-processing zone (3) is disposed near the discharge channel (22) to provide a microwave reaction core cavity (31), and the microwave reaction core cavity (31) ) comprising at least one second microwave plasma tube (311) connected along the length of the discharge channel (22).
- 根据权利要求3所述的微波等离子体处理塑料垃圾装置，其特征在于：微波反应核心腔(31)沿气体流动方向的出口连接尾气吸收装置(32)。The microwave plasma processing plastic waste apparatus according to claim 3, characterized in that the microwave reaction core chamber (31) is connected to the exhaust gas absorbing means (32) at an outlet in the gas flow direction.
- 根据权利要求4所述的微波等离子体处理塑料垃圾装置，其特征在于：微波等离子体反应炉(2)侧壁连接有辅助反应物添加装置(24)。The microwave plasma processing plastic waste apparatus according to claim 4, characterized in that the side wall of the microwave plasma reactor (2) is connected with an auxiliary reactant adding device (24).
- 根据权利要求4所述的微波等离子体处理塑料垃圾装置，其特征在于：预处理区(1)包括延伸至进料通道(21)的传送带一(10)，传送带一(10)上依次设有微波干燥器(13)、分拣区(14)和粉碎机(16)。A microwave plasma processing plastic waste apparatus according to claim 4, wherein the pretreatment zone (1) comprises a conveyor belt (10) extending to the feed passage (21), and the conveyor belt (10) is sequentially provided A microwave dryer (13), a sorting zone (14) and a pulverizer (16).
- 根据权利要求1-6任一项所述的微波等离子体处理塑料垃圾装置，其特征在于：进料通道(21)处连接有进料阀门(211)。The microwave plasma-treated plastic waste apparatus according to any one of claims 1 to 6, characterized in that a feed valve (211) is connected to the feed passage (21).
- 根据权利要求3-6任一项所述的微波等离子体处理塑料垃圾装置，其特征在于：第一微波等离子体管(23)和第二微波等离子体管(311)结构相同，包括微波等离子体发生器(231)，微波等离子体发生器(231)一端连接微波源(2311)，另一端连接等离子体放电管(2317)；等离子体放电管(2317)处连接提供工作气体的气路***(232)，气路***(232)和等离子 体放电管(2317)之间连接冷却室(233)。The microwave plasma processing plastic garbage device according to any one of claims 3-6, wherein the first microwave plasma tube (23) and the second microwave plasma tube (311) have the same structure, including microwave plasma a generator (231), one end of the microwave plasma generator (231) is connected to the microwave source (2311), the other end is connected to the plasma discharge tube (2317); and the plasma discharge tube (2317) is connected to the gas path system for providing the working gas ( 232), a cooling chamber (233) is connected between the pneumatic system (232) and the plasma discharge tube (2317).
- 根据权利要求8所述的微波等离子体处理塑料垃圾装置，其特征在于：微波等离子体发生器(231)上连接有驱动机构(234)，驱动机构(234)驱使微波等离子体发生器(231)移动，使得等离子体放电管(2317)朝向或者背离微波等离子体反应炉(2)移动。The microwave plasma processing plastic garbage device according to claim 8, wherein the microwave plasma generator (231) is connected with a driving mechanism (234), and the driving mechanism (234) drives the microwave plasma generator (231). The movement causes the plasma discharge tube (2317) to move toward or away from the microwave plasma reactor (2).
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| CN201711076960.6 | 2017-11-06 | ||
| CN201711076960.6A CN107695085A (en) | 2017-11-06 | 2017-11-06 | A kind of Microwave plasma treatment plastic garbage device |
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| WO2019085542A1 true WO2019085542A1 (en) | 2019-05-09 |
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| WO (1) | WO2019085542A1 (en) |
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| CN112371687A (en) * | 2020-10-05 | 2021-02-19 | 四川大学 | Dangerous solid useless processing apparatus of high-power microwave plasma |
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| CN107930182A (en) * | 2017-12-29 | 2018-04-20 | 内蒙古金旭生物科技有限公司 | A kind of active substance of plant extraction element |
| CN111112301A (en) * | 2020-01-09 | 2020-05-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | System and method for treating waste photovoltaic cell panel by using plasma technology |
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