CN109882859B - Plasma gasification solid waste treatment system - Google Patents
Plasma gasification solid waste treatment system Download PDFInfo
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- CN109882859B CN109882859B CN201910229960.8A CN201910229960A CN109882859B CN 109882859 B CN109882859 B CN 109882859B CN 201910229960 A CN201910229960 A CN 201910229960A CN 109882859 B CN109882859 B CN 109882859B
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Abstract
The invention discloses a plasma gasification solid waste treatment system, which comprises: the furnace comprises a furnace body, a driving assembly for driving the furnace body to rotate, a feeding device positioned on one side of the furnace body and a discharging device positioned on one side of the furnace body; the striking component is movably arranged on the furnace body, the furnace body in a working state autorotation drives the striking component to regularly strike the furnace body, the furnace body autorotates for a circle, and the striking component strikes at least once; the discharging device is connected with the smoke treatment device. The plasma gasification solid waste treatment system disclosed by the invention realizes continuous and efficient incineration treatment of hazardous waste, can also synchronously remove ash or waste residues adhered in a furnace body, and realizes efficient purification treatment of high-temperature waste gas containing long-chain nitrogen oxides generated by the plasma gasification solid waste treatment system.
Description
Technical Field
The invention relates to the technical field of plasma combustion devices, in particular to a plasma gasification solid waste treatment system.
Background
The traditional hazardous waste treatment method comprises a fossil fuel burning method and a solidification landfill method. Fossil fuel incineration has several disadvantages: toxic and harmful gases such as dioxin and the like are generated due to insufficient combustion, a large amount of fly ash is generated due to incomplete combustion, and a large amount of residues are generated. Without treatment, the long-term infiltration of rainwater and groundwater can cause contamination of groundwater systems and soils.
The plasma hazardous waste incineration technology has unique advantages in the aspect of hazardous waste treatment: the plasma can generate high temperature above 1700 ℃, hazardous waste is burnt completely under the dual actions of high temperature and activation energy, inorganic solid is changed into molten state, and heavy metal is fixed in glassy state. The organic gas is burnt out, and the condition of organic substances for synthesizing toxic and harmful gases such as dioxin and the like does not exist. But the temperature of a plasma gasification center can reach 3000-5000 ℃, the temperature in the furnace is 1200-1600 ℃, the reaction activity in the furnace is high, and various reactants are completely cracked; the organic matter is converted into synthesis gas, and the inorganic matter is converted into clinker of vitreous body. The ash or waste residue generated in the combustion process at the high temperature is adhered to the furnace body, along with long-time combustion, the accumulated ash or waste residue is more and more, and in the daily maintenance process, the machine needs to be stopped to disassemble so as to remove the ash or waste residue adhered to the furnace body, so that the generation efficiency is reduced.
Meanwhile, although the introduction of the harmless treatment of the waste gas similar to wet dust removal exists in the prior art, the treatment effect of the waste gas containing long chain nitrogen oxides in a high-temperature state generated by a plasma gasification solid waste treatment system is still not good.
Disclosure of Invention
The invention aims to disclose a plasma gasification solid waste treatment system, which is used for timely removing ash or waste residues adhered in a furnace body in the process of carrying out plasma combustion treatment on dangerous waste and carrying out purification treatment on waste gas which is generated in the process of plasma combustion and contains long-chain nitrogen oxides.
In order to achieve the above object, the present invention provides a plasma gasification solid waste treatment system, comprising: the furnace comprises a furnace body, a driving assembly for driving the furnace body to rotate, a feeding device positioned on one side of the furnace body and a discharging device positioned on one side of the furnace body; the striking component is movably arranged on the furnace body, the furnace body in a working state autorotation drives the striking component to regularly strike the furnace body, the furnace body autorotates for a circle, and the striking component strikes at least once; the discharging device is connected with the flue gas treatment device, and the flue gas treatment device is used for purifying flue gas generated by the furnace body.
As a further improvement of the invention, the flue gas treatment device consists of a dust removal section, a heat exchange section and a microwave photocatalytic oxidation section which are sequentially stacked and communicated from bottom to top.
As a further improvement of the invention, the dust removal section removes particles and oil mist in the flue gas generated by the plasma combustion device by using a cloth bag dust removal method or a wet dust removal method; the heat exchange section is used for cooling the flue gas and then sending the flue gas to the microwave photocatalytic oxidation section; in the microwave photocatalytic oxidation zone, the flue gas flows through the TiO-coated layer2Microporous PTFE membrane with crystalline grains and coating TiO with microwave and UV radiation2The crystal grain PTFE microporous membrane is used for carrying out photocatalytic oxidation reaction on the smoke.
As a further improvement of the invention, the heat exchange section is internally provided with a heat exchanger, and the outer wall of the heat exchange section is respectively provided with a refrigerant inlet and a refrigerant outlet.
As a further improvement of the invention, microwave and ultraviolet rays are generated in the microwave photocatalytic oxidation section; the frequency of the microwave is 2450MHz, and the wavelength of the ultraviolet is 253.7nm and 185 nm.
As a further improvement of the invention, in a period of one rotation of the furnace body, the striking component passes through a highest point at least once at a certain moment, and the highest point is the position where the end part of the striking component has the farthest vertical distance from the furnace body.
As a further improvement of the invention, the striking component comprises a striking hammer and a connecting rod connected with the striking hammer, wherein a through hole is formed at the end part of the connecting rod; the surface of furnace body sets up the fixing base, set up on the fixing base with perforating hole assorted connecting hole, the fastener runs through perforating hole and connecting hole to will hit subassembly and fixing base realization rotatable assembly.
As a further improvement of the invention, the connecting rod comprises a first fixing rod and a second fixing rod, and an obtuse included angle is formed at the joint of the first fixing rod and the second fixing rod.
As a further improvement of the invention, the furnace body is symmetrically provided with at least two striking assemblies.
As a further improvement of the invention, the striking assembly is arranged in the area of one side of the furnace body close to the charging device.
As a further improvement of the invention, the lower part of the processing device is provided with a telescopic supporting leg, and when the processing device works, the height from the feeding device, the furnace body to the discharging device to the horizontal plane gradually becomes lower; the whole processing device and the horizontal plane form an acute angle.
As a further improvement of the invention, the discharging device comprises a discharging port positioned at the lower part and a gas outlet positioned at the end part, a discharging screw is arranged in the discharging device, and the discharging screw extends to the discharging port.
Compared with the prior art, the invention has the beneficial effects that:
firstly, according to the principle of gravity, when the furnace body rotates, ash or waste residue adhered to the inner wall of the upper furnace body has downward gravity and falls downwards or has a tendency of falling downwards, and then the ash or waste residue adhered to the inner wall of the furnace body is knocked down by matching with the hitting component, so that the ash or waste residue is not adhered to the inner wall of the furnace body any more, the cleanness of the inner wall of the furnace body is protected, the working efficiency of the furnace body is improved, and secondary damage of harmful substances adhered to the inner wall of the furnace body to workers is prevented;
secondly, the striking component can not only strike off the ash or the waste residue under the action of gravity, but also strike off the ash or the waste residue at the striking position and other positions of the furnace body; when the striking component strikes, the furnace body at the striking position is vibrated, and the vibration is transmitted to other positions of the furnace body to remove ash or waste residues.
Finally, the flue gas treatment device is connected with the discharging device, a complete flue gas treatment path is established, and nitrogen oxides rich in long chain shapes in the flue gas generated after the ship garbage is combusted by the plasma combustion device are effectively removed, so that the high-efficiency purification treatment of the flue gas is realized.
Drawings
FIG. 1 is a schematic structural diagram (I) of a plasma gasification solid waste treatment system provided by the invention;
FIG. 2 is a schematic structural diagram of a plasma gasification solid waste treatment system (II) according to the present invention;
FIG. 3 is a diagram showing the state of use of the plasma gasification solid waste treatment system (one) according to the present invention;
FIG. 4 is a diagram of the present invention showing the operation of the plasma gasification solid waste treatment system;
FIG. 5 is a state diagram (III) of the plasma gasification solid waste treatment system of the present invention;
FIG. 6 is a state diagram (IV) of the plasma gasification solid waste treatment system of the present invention;
FIG. 7 is a bottom view of the plasma gasification solid waste treatment system of the present invention;
FIG. 8 is a schematic structural view of a striking assembly in the plasma gasification solid waste treatment system of the present invention;
FIG. 9 is a schematic view of a plasma gasification solid waste treatment system in accordance with a variation of the present invention;
FIG. 10 is a schematic view of a flue gas treatment device connected to the outfeed device of the plasma gasification solid waste treatment system shown in FIG. 9;
the reference numerals in the drawings are as follows:
1. a furnace body; 2. a discharge screw; 3. a feeding device; 4. a discharging device; 401. a discharge port; 402. an air outlet; 5. a striking assembly; 6. striking a hammer; 7. a connecting rod; 701. a first fixing lever; 702. a second fixing bar; 8. a through hole; 9. a fixed seat; 15. connecting holes; 11. a telescopic support leg; 10. a dust removal section; 20. a heat exchange section; 30. a microwave photocatalytic section; 21. a refrigerant inlet; 22. and a refrigerant outlet.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-8, the plasma gasification solid waste treatment system provided by the present invention comprises a furnace body 1, a driving assembly (not shown) for driving the furnace body 1 to rotate; specifically, the driving component can be a motor or the like, and can drive the furnace body 1 to rotate; a feeding device 3 positioned at one side of the furnace body 1 and a discharging device 4 positioned at one side of the furnace body 1. In this embodiment, through drive assembly, can drive the rotation of furnace body 1, during the rotation of furnace body 1, ashes or solid useless receiving gravity can drop downwards automatically on the furnace body 1 inner wall apart from the table surface peak, and the part glues very tight ashes and solid useless, then can't drop. The plasma gasification solid waste treatment system further comprises a striking component 5, the striking component 5 is movably arranged on the furnace body 1, the furnace body 1 in a working state rotation drives the striking component 5 to regularly strike the furnace body 1, the furnace body 1 rotates for a circle, and the striking component 5 strikes at least once.
Referring to fig. 1 to 3, when the plasma gasification solid waste treatment system according to the present embodiment is installed, the driving unit is first connected to the furnace body 1, the charging device 3 and the discharging device 4 are then assembled, and the striking unit 5 is finally installed. In the present embodiment, the furnace body 1 incorporates a plasma combustion burner.
The plasma burner has a hollow passage (not shown) formed therein. The hazardous waste after high-temperature treatment, i.e. ash or waste slag, can be conveyed to the discharging device 4 along a hollow channel formed inside the plasma burner arranged in the furnace body 1. Meanwhile, the flue gas formed by burning the hazardous waste by the plasma combustion burner is conveyed to the discharging device 4 and converged. If the ash or the waste slag is accumulated in the hollow channel formed inside the plasma burner inside the furnace body 1, the treatment efficiency of the plasma burner to hazardous waste is seriously reduced.
When the plasma burner is used, firstly, the plasma burner in the furnace body 1 is started to realize a high-temperature environment, and meanwhile, the furnace body 1 is driven to rotate by the driving component 2; secondly, the hazardous waste is put into the furnace body 1 through the feeding device 3, the hazardous waste is treated in a high-temperature environment in the furnace body 1, and part of ash or waste residue is accumulated and even adhered in the furnace body 1 in the treatment process; thirdly, in the rotation of the furnace body 1, the striking component 5 strikes the furnace body 1 at least once, so that the ash or the waste slag adhered or accumulated in the furnace body 1 is forced to be separated from the inner wall of the furnace body 1, on one hand, the cleanness of the furnace body 1 is ensured, and on the other hand, the efficiency is improved.
The principle of the embodiment is as follows: according to the invention, by utilizing the principle that the ash or the waste residue on the inner wall of the highest position of the furnace body can fall under the action of the gravity of an object, the ash or the waste residue on the inner wall of the highest position of the furnace body can fall off through the self gravity of the furnace body through the autorotation of the furnace body, and then the ash or the waste residue adhered to the inner wall of the furnace body 1 can fall off by combining the striking of the striking component 5, so that the ash or the waste residue can be removed, and the treatment efficiency of.
Example two:
as a further improvement of the above embodiment, in the present embodiment, the striking unit 5 passes through the highest point at least once at a certain time in a period in which the furnace body 1 rotates once, and the highest point is a position where the end of the striking unit 5 is farthest from the vertical distance of the furnace body. In the embodiment, the highest point is arranged, so that the falling height is high, the gravity is large during knocking, and the removal of ash or waste residues in the furnace body 1 is increased; meanwhile, after passing through the highest point, the striking component 5 continuously rotates and falls under the action of gravity to strike the furnace body 1.
In this embodiment, 2 hit and beat subassembly 5 symmetry setting, in the periphery of furnace body 1, and then can realize hitting twice at every turn. Of course, the striking assemblies 5 can also be more, which can be evenly distributed over the periphery of the furnace body 1. In the present embodiment, the striking assemblies 5 are provided to strike a plurality of positions outside the furnace body 1, thereby accelerating the removal of ash or slag adhering to the inner wall surface of the furnace body 1, in particular, the furnace body 1.
Referring to fig. 4 and 5, it can be seen that 2 striking assemblies 5 are symmetrically arranged on the furnace body 1, in fig. 3, the 2 striking assemblies 5 are respectively located at the highest point, the furnace body 1 continues to rotate, and when the state shown in fig. 5 is reached, the two striking assemblies 5 respectively strike the furnace body 1. The removal efficiency of ash and slag in this embodiment is higher than that in embodiment 1.
Please refer to the description of the first embodiment, and further description thereof is omitted.
Example three:
as a further improvement of the above embodiment, in the present embodiment, the striking assembly 5 includes a striking hammer 6, a connecting rod 7 connected to the striking hammer 6, and a through hole 8 is provided at an end of the connecting rod 7; in the present embodiment, a fixing seat 9 is disposed on the outer surface of the furnace body 1, a connecting hole 15 matching with the through hole 8 is disposed on the fixing seat 9, and a fastening member (for example, the fastening member may be configured as a bolt assembly, a rivet, or the like) penetrates through the through hole 8 and the connecting hole 15, so as to rotatably assemble the striking assembly 5 and the fixing seat 9. Compared with the first embodiment and/or the second embodiment, in the present embodiment, the striking assembly 5 is movably connected to the fixing seat 9 by a fastening member, etc., so that the striking assembly 5 is connected to the furnace body 1 and loosens, and the striking assembly falls off, which causes a safety problem.
Further, referring to fig. 8, the connecting rod 7 includes a first fixing rod 701 and a second fixing rod 702, and when the connecting rod is disposed, an obtuse angle is formed at a joint of the first fixing rod 701 and the second fixing rod 702, and preferably, the obtuse angle is 150 degrees. Through the technical scheme, the included angle between the first fixing rod 701 and the second fixing rod 702 is large, the distance between the two fixing rods is large, and the first fixing rod and the second fixing rod are not easy to collide with other parts of the furnace body 1 during rotation. If the distance between the two fixed rods is small, other parts on the furnace body 1 are easily collided when being positioned between the two fixed rods during rotation, so that the connection between the striking assembly 5 and the furnace body 1 is loosened. Meanwhile, if the distance is short, the use is not convenient.
Please refer to the description of the first embodiment and/or the second embodiment, and details thereof are not repeated herein.
Example four:
as a further modification of any of the above embodiments, as shown in fig. 1 to 8, in the present embodiment, the striking assembly 5 is provided in a region of the furnace body 1 on the side closer to the charging device 3. Through setting up it in being close to feeding device 3, can guarantee to handle from the source, raise the efficiency. Because the hazardous waste is entered from the feeding device 3, namely, ash and waste slag, hazardous waste and the like are adhered to the furnace body 1, the hazardous waste can reduce the generation efficiency.
Furthermore, telescopic support legs 11 are arranged at the lower part of the processing device, namely the telescopic support legs 11 are arranged at the bottoms of the feeding device 3, the furnace body 1 and the discharging device 4; when the processing device works, the height from the feeding device 3, the furnace body 1 to the discharging device 4 to the horizontal plane gradually becomes lower. Through the change of height, form the inclined plane, and then can accelerate the material from feeding device 3 inflow furnace body 1 as early as possible, then flow into discharging device 5 for the working process improves work efficiency. In the present embodiment, the extendable legs 11 are attached to the processing apparatus by welding, screws, or the like, and the height of the extendable legs 11 can be changed by combining the inner and outer sleeves.
Furthermore, the whole processing device and the horizontal plane form an acute angle. By setting the angle to be acute, the whole processing device is inclined to the ground, so that the struck ash can be guided to slowly move out of the discharging device 4. By means of this arrangement, the efficiency of the ash discharge device 4 is further increased.
Please refer to the description of the first to third embodiments, which will not be repeated herein.
Example five:
as a modification of any of the above embodiments, in the present embodiment, the discharging device 4 includes a discharge port 401 located below, and an air outlet 402 located at an end portion. This discharging device 4 embeds discharge screw 2, and this discharge screw extends to discharge gate 401, and 2 axial ends of discharge screw can be driven by motor (not shown) to with discharging device 4 under the cooperation jointly, discharge this discharging device from discharge gate 401 with the danger behind the high temperature treatment is useless, realized unloading and discharging in succession useless danger after the high temperature treatment, become the useless convenient transportation of small-size danger.
In the present embodiment, the rotation can be achieved by the action of the driving device. A discharging screw 2 capable of rotating is added, on one hand, the treated material is discharged from a discharging port 401 through rotation; on the other hand, the discharging screw rod 2 can crush larger materials into smaller materials, so that the transportation is convenient, and the working efficiency is improved.
Please refer to the description of the first to fourth embodiments, which will not be repeated herein.
Example six:
referring to fig. 9 and 10, another embodiment of a plasma gasification solid waste treatment system is disclosed in the present embodiment.
In this embodiment, the discharging device 4 of the plasma gasification solid waste treatment system is connected to a flue gas treatment device (shown in fig. 9) through a pipeline 42, and the flue gas treatment device is used to treat the flue gas generated by the furnace body 1, and the generated tail gas meets the emission standard and can be directly evacuated into the atmospheric environment. The flue gas formed by the burning hazardous waste of the plasma burner is conveyed to the discharging device 4 and converged, flows upwards, and is introduced into the flue gas treatment device through the pipeline 43 for purification treatment. In particular, the discharge device 4 forms a duct 42 communicating internally, the flue gas not subjected to the cleaning process flowing upwards along the arrow 41. The pipe 42 is connected to the inlet 13 of the flue gas treatment device shown in fig. 10 via a flange 43.
In this embodiment, the flue gas treatment device is composed of a dust removal section 10, a heat exchange section 20 and a microwave photocatalytic oxidation section 30 which are sequentially stacked and communicated from bottom to top. The dust removal section 10 is arranged at the lowest part of the flue gas treatment device and forms an input port 13 for introducing high-temperature flue gas. The dust removal section 10, the heat exchange section 20 and the microwave photocatalytic oxidation section 30 are all made of carbon steel, a flue gas outlet 31 is formed at the top of the microwave photocatalytic oxidation section 30, and the flue gas outlet 31 can be connected with a chimney with the height of 15-20 m through a pipeline so as to directly discharge the purified flue gas into the atmospheric environment.
Dust removal section10 removing particles and oil mist in the flue gas generated by the plasma combustion device by using a cloth bag dust removal method or a wet dust removal method. The dust content of the flue gas treated by the dust removal section 10 is less than or equal to 50mg/m3Oil mist: less than or equal to 50mg/m3The diameter of the particles in the smoke is less than or equal to 30 mu m.
The flue gas treated by the dust removing section 10 flows upwards and enters the heat exchange section 20. The heat exchange section 20 includes a heat exchanger, and a refrigerant inlet 21 and a refrigerant outlet 22 are provided on an outer wall of the heat exchange section 20, respectively. In the present embodiment, the heat exchangers formed in the heat exchange section 20 are finned tubes. The finned tubes are arranged in the dust removal section 10 in a horizontal state. The refrigerant enters the finned tube from the refrigerant inlet 21 and flows out of the heat exchange section 20 from the refrigerant outlet 20 by the heat exchange principle. Specifically, the refrigerant can be water or cooling oil, and is preferably softened water at 0-10 ℃. In the embodiment, the flue gas with the temperature of 130 ℃ enters the heat exchange section 20 and exchanges heat with the refrigerant in the finned tubes, so that the temperature of the flue gas is reduced to be lower than 90 ℃. The heat in the flue gas can be reasonably utilized by preheating cooling water of the heat exchanger.
In the microwave photocatalytic oxidation section 30, the flue gas flow after the temperature reduction treatment of the heat exchange section 20 is coated with TiO2Microporous PTFE membrane with crystalline grains and coating TiO with microwave and UV radiation2And the PTFE microporous membrane of the crystal grains is used for treating the flue gas subjected to the temperature reduction treatment of the heat exchange section 20. The PTFE microporous membrane is made of polytetrafluoroethylene materials. Specifically, the frequency of the microwave is 2450MHz, and the wavelength of the ultraviolet light is 253.7nm and 185nm, and specifically, the ultraviolet light with the wavelength of 253.7nm and the ultraviolet light with the wavelength of 185nm are respectively generated by an electrodeless ultraviolet lamp arranged in the microwave photocatalytic oxidation section 30. The microwaves are generated by a microwave generator placed in the microwave photocatalytic oxidation zone 30, the power of which is 6 KW.
Specifically, in the present embodiment, in the microwave resonant cavity formed in the microwave photocatalytic oxidation section 30, various organic and polar molecules in the flue gas are rearranged under the action of the microwave field with the frequency of 2450MHz, and are rotated and vibrated sharply, so as to accelerate the photocatalytic oxidation reaction. Simultaneously microwave-exciting electrodeless ultraviolet lamp in the cavity to generate UVC wave band, namely 253.7nm sum185.0nm ultraviolet ray. UV-irradiation of coated TiO2Electron-hole pairs are generated on the PTFE microporous membrane of the crystal grains, and water vapor (H) adsorbed on the surface of the PTFE microporous membrane2O) and oxygen (O)2) The reaction generates hydroxyl radical (OH-) and superoxide ion radical (O) with very active oxidability20-), various long-chain nitrogen oxides and other VOC organic matters are subjected to photocatalytic oxidation to open large molecular groups and change the large molecular groups into small molecular groups, so that the short-chain nitrogen oxides are broken by the long-chain nitrogen oxides, and the nitrogen oxides in the flue gas are reduced into carbon dioxide (CO)2) Water (H)2O), nitrogen (N)2) And other non-toxic and harmless substances. Because no additive or catalyst is added in the microwave photocatalytic oxidation process, no secondary pollution is generated, and the coated TiO does not need to be replaced2The PTFE microporous membrane of the crystal grains obviously reduces the treatment cost of harmless treatment of the flue gas generated by the plasma combustion device.
Through the flue gas treatment method adopted by the flue gas treatment device in the plasma gasification solid waste treatment system disclosed by the embodiment and the flue gas treatment device depended by the method, the following technical effects can be achieved. Before treatment: the content of nitrogen dioxide in the flue gas led out from the discharging device 4 is 250mg/m3～300mg/m3And after treatment: the content of nitrogen dioxide in the smoke is less than or equal to 50mg/m3And can be directly discharged to the atmosphere.
Please refer to the description of the first to fifth embodiments, and details thereof are not repeated.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. Plasma gasification solid waste processing system, its characterized in that includes:
a furnace body,
a driving component for driving the furnace body to rotate,
the feeding device is positioned on one side of the furnace body, and the discharging device is positioned on one side of the furnace body;
the striking component is movably arranged on the furnace body, the furnace body in a working state autorotation drives the striking component to regularly strike the furnace body, the furnace body autorotates for a circle, and the striking component strikes at least once;
the discharging device is connected with a flue gas treatment device, and the flue gas treatment device is used for purifying flue gas generated by the furnace body;
the bottom parts of the feeding device, the furnace body and the discharging device are provided with telescopic supporting legs; when the processing device works, the height from the feeding device, the furnace body to the discharging device gradually becomes lower than the horizontal plane; the furnace body is symmetrically provided with at least two striking components.
2. The plasma gasification solid waste treatment system of claim 1, wherein the flue gas treatment device is composed of a dust removal section, a heat exchange section and a microwave photocatalytic oxidation section which are sequentially stacked and communicated from bottom to top.
3. The plasma gasification solid waste treatment system of claim 2, wherein the dust removal section uses a cloth bag dust removal method or a wet dust removal method to remove particles and oil mist in the flue gas generated by the plasma combustion device;
the heat exchange section is used for cooling the flue gas and then sending the flue gas to the microwave photocatalytic oxidation section;
in the microwave photocatalytic oxidation zone, the flue gas flows through the TiO-coated layer2Microporous PTFE membrane with crystalline grains and coating TiO with microwave and UV radiation2The crystal grain PTFE microporous membrane is used for carrying out photocatalytic oxidation reaction on the smoke.
4. The plasma gasification solid waste treatment system of claim 2, wherein the heat exchange section comprises a heat exchanger, and the outer wall of the heat exchange section is provided with a refrigerant inlet and a refrigerant outlet respectively.
5. The plasma gasification solid waste treatment system of claim 2, wherein microwaves and ultraviolet rays are generated in the microwave photocatalytic oxidation section; the frequency of the microwave is 2450MHz, and the wavelength of the ultraviolet is 253.7nm and 185 nm.
6. The plasma gasification solid waste treatment system of any one of claims 1 to 5, wherein the striking assembly passes at least once a highest point at a certain time within a period of one rotation of the furnace body, the highest point being a position where an end of the striking assembly is farthest from a vertical distance of the furnace body.
7. The plasma gasification solid waste treatment system of claim 5, wherein the striking assembly comprises a striking hammer, a connecting rod connected with the striking hammer, and a through hole is formed at the end of the connecting rod; the surface of furnace body sets up the fixing base, set up on the fixing base with perforating hole assorted connecting hole, the fastener runs through perforating hole and connecting hole to will hit subassembly and fixing base realization rotatable assembly.
8. The plasma gasification solid waste treatment system of claim 5, wherein the striking assembly is disposed in a side region of the furnace body adjacent to the charging device.
9. The plasma gasification solid waste treatment system of claim 5, wherein the discharging device comprises a discharging port at the lower part and a gas outlet at the end part, the discharging device is internally provided with a discharging screw, and the discharging screw extends to the discharging port.
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| CN1587814A (en) * | 2004-09-03 | 2005-03-02 | 清华大学 | Burning method and its device for burning irregular low ash smelting point fuel |
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| CN105333417A (en) * | 2015-12-09 | 2016-02-17 | 攀枝花大互通钛业有限公司 | Briquette combustion device |
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Effective date of registration: 20221107 Address after: No. 168, Gensi West Road, Industrial Park, Taixing City, Taizhou City, Jiangsu Province, 225,403 Patentee after: Taizhou Subang New Energy Technology Co.,Ltd. Address before: Room 602, Building 2, No. 2 Dashiqiao, Xuanwu District, Nanjing, Jiangsu Province, 210000 Patentee before: Yin Linbao Patentee before: Liu Bin Patentee before: Lu Jian |