CN116536083A - Gasifier capable of adjusting angle of plasma torch - Google Patents
Gasifier capable of adjusting angle of plasma torch Download PDFInfo
- Publication number
- CN116536083A CN116536083A CN202310632173.4A CN202310632173A CN116536083A CN 116536083 A CN116536083 A CN 116536083A CN 202310632173 A CN202310632173 A CN 202310632173A CN 116536083 A CN116536083 A CN 116536083A
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- China
- Prior art keywords
- gasifier
- plasma torch
- angle
- adjustable
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002893 slag Substances 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000002309 gasification Methods 0.000 abstract description 49
- 238000011282 treatment Methods 0.000 abstract description 4
- 239000002920 hazardous waste Substances 0.000 abstract description 2
- 239000002910 solid waste Substances 0.000 description 24
- 239000007789 gas Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009272 plasma gasification Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000010868 animal carcass Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Natural products C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- -1 small molecule hydrocarbon Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- 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
- B09B3/50—Destroying solid waste or transforming solid waste into something useful or harmless involving radiation, e.g. electro-magnetic waves
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/123—Heating the gasifier by electromagnetic waves, e.g. microwaves
- C10J2300/1238—Heating the gasifier by electromagnetic waves, e.g. microwaves by plasma
Abstract
The invention relates to the technical field of incineration type hazardous waste treatment, in particular to a gasifier with an adjustable plasma torch angle, which comprises a feeding port longitudinally arranged at the top of the gasifier, a heat-resistant crucible arranged at the throat of the gasifier, a slag collecting device arranged at the bottom of the gasifier, at least one plasma torch arranged on the gasifier, wherein the plasma torch penetrates through the gasifier and is positioned above the heat-resistant crucible, the included angle between the central axis of the plasma torch and the horizontal plane is adjustable, and the included angle is a and is 34 degrees or more and alpha or less than 45 degrees. The angle-adjustable gasifier of the plasma torch is designed, the plasma direction can be adjusted according to specific conditions in actual operation, and the problems of local overload of heat load and incomplete local gasification are avoided.
Description
Technical Field
The invention relates to the technical field of incineration type hazardous waste treatment, in particular to a gasifier with an adjustable plasma torch angle.
Background
Along with the rapid development of the economy in China, a series of solid wastes are produced in the production, living and consumption of people. The solid waste mainly comprises solid particles, garbage, slag, sludge, waste products, broken vessels, defective products, animal carcasses, spoiled foods, human and animal excreta and the like. The solid waste has high application value and can cause serious harm. Taking oil-containing sludge as an example, the oil content of the oil-containing sludge is varied from 10% to 50%, and the oil-containing sludge contains heavy metals such as copper, zinc, chromium, mercury and other harmful impurities (radionuclides) and a large amount of toxic organic substances such as benzene series, phenols, anthracene, pyrene and the like. If the waste water is directly discharged, not only is the waste of energy sources caused, but also the environment is greatly polluted.
The plasma gasification has the advantages of high efficiency, cleanness, environmental protection and the like. However, conventional plasma technology also has some difficulties: because of the adoption of the arc plasma mode, the temperature is highest along the central axial direction of the plasma torch, and the local heat load in the gasification furnace is over-heated and the temperature is uneven.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the technical problems of over-temperature heat load, uneven temperature and incomplete gasification of solid wastes in the gasification furnace part in the prior art. The invention provides a gasifier with an adjustable angle of a plasma torch, which is designed with the adjustable angle of the plasma torch, and can adjust the direction of plasma according to specific conditions in actual operation, so as to avoid the problems of local overload of heat load and incomplete local gasification. The technical scheme adopted for solving the technical problems is as follows: the utility model provides a gasifier of adjustable plasma torch angle, the top of gasifier is provided with the feed inlet vertically, the throat of gasifier is provided with heat-resisting crucible, the bottom of gasifier is provided with slag collection device, be provided with at least one plasma torch on the gasifier, the plasma torch runs through the gasifier, and is located the top of heat-resisting crucible, the contained angle of plasma torch axis and horizontal plane is adjustable, sets for the contained angle to be a,34 is less than or equal to alpha is less than or equal to 45.
Further, two plasma torches are respectively and correspondingly arranged at two sides of the gasification furnace.
Further, the gasifier is of a Laval nozzle structure, the convergence section angle is 34-45 degrees, and the expansion pipe angle is 12-20 degrees.
Further, an inward annular step is arranged on the inner wall of the lower edge of the converging section of the gasification furnace, and the heat-resistant crucible is arranged on the annular step.
Further, the longitudinal section of the heat-resistant crucible is H-shaped, and comprises a dry pot surface and a crucible frame, wherein the dry pot surface is horizontally arranged, the crucible frame is annularly arranged, and a plurality of ash falling holes are formed in the dry pot surface.
Further, 5 circles of ash falling holes are uniformly distributed on the dry pot surface, the number of the ash falling holes is 4n from inside to outside, and each ash falling hole is in an inverted-ladder shape.
Further, the plasma torch is arranged on the gasification furnace in an angle-adjustable manner through a limiter, the limiter comprises a lifting piece arranged on the plasma torch and a limiting plate arranged on the side wall of the gasification furnace, the plasma torch penetrates through the limiting plate, an annular head bolt is arranged on the limiting plate, the annular head end is sleeved on the lifting piece, the other end of the annular head bolt penetrates out of the limiting plate, a nut is matched with the penetrating end, and the angle of the plasma torch is adjusted by the nut.
Further, the lifting piece comprises a sleeve arranged on the plasma torch, two opposite connecting columns are arranged on the sleeve and connected through bolts, and the annular head end is sleeved on the bolts.
Further, a spherical sleeve is arranged on the plasma torch, and the plasma torch is arranged on the gasification furnace through the spherical sleeve.
Further, an observation window is arranged on the gasification furnace and is arranged above the heat-resistant crucible to observe the combustion condition in the heat-resistant crucible.
The gasification furnace with the adjustable plasma torch angle has the beneficial effects that the angle-adjustable plasma torch is designed, the plasma direction can be adjusted according to specific conditions in actual operation, and local overload of heat load and incomplete local gasification are avoided; the Laval nozzle is adopted as the integral shape of the plasma gasification furnace, so that the Laval nozzle can accelerate the gas flow rate, the gasifying agent can be contacted with solid waste more quickly, meanwhile, the ash falling holes of the heat-resistant crucible are designed in a pattern drawing mode, the gasification time of solid waste is prolonged, and the gasification products and the carbon conversion rate are improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of a gasifier with an adjustable angle of a plasma torch according to the present invention;
FIG. 2 is a top view of a refractory crucible of the gasifier of the adjustable plasma torch angle of the present invention;
FIG. 3 is a longitudinal sectional view of a refractory crucible of the gasifier of the adjustable angle plasma torch of the present invention;
fig. 4 is a schematic view showing the cooperation of a plasma torch and a stopper of a gasification furnace with an adjustable angle of the plasma torch according to the present invention.
Reference numerals:
1. a feed inlet; 2. a heat resistant crucible; 21. a dry pan surface; 211. an ash falling hole; 22. a crucible holder; 3. a plasma torch; 31. a spherical sleeve; 4. an annular step; 5. a limiter; 51. a lifting member; 511. a sleeve; 512. a connecting column; 513. a bolt; 52. a limiting plate; 53. an annular head bolt; 54. a nut; 6. an observation window; 7. an air outlet; 8. ash hole.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the gasification furnace with adjustable plasma torch angle is a preferred embodiment of the present invention, the top of the gasification furnace is longitudinally provided with a feed inlet 1, the feed inlet 1 can be funnel-shaped, so that solid waste enters the gasification furnace, and optimally, the inner wall of the feed inlet 1 is provided with a heating element for primarily heating the solid waste, the throat of the gasification furnace is provided with a heat-resistant crucible 2, the solid waste falls into the heat-resistant crucible 2, the gasification furnace is provided with at least one plasma torch 3, the plasma torch 3 penetrates through the gasification furnace and is positioned above the heat-resistant crucible 2, the included angle between the central axis of the plasma torch 3 and the horizontal plane is adjustable, the included angle is a, the included angle is not more than 34 degrees and not more than 45 degrees, and the angle-adjustable plasma torch 3 can be adjusted according to specific conditions in actual operation, so that the solid waste in the heat-resistant crucible 2 is heated uniformly, the bottom of the gasification furnace is provided with a slag collecting device for collecting the solid waste after combustion, the gasification furnace is also provided with an ash outlet 8, and the ash outlet 8 and the furnace bottom is flush.
The number of the plasma torches 3 is two, the plasma torches are respectively and correspondingly arranged on two sides of the gasification furnace, the plasma torches 3 are symmetrically distributed, the temperature in the furnace is further more uniform, and the combustion effect is better. A plurality of plasma torches 3 can be arranged according to the requirement and are circumferentially and uniformly distributed on the gasification furnace, so that the temperature in the furnace and the combustion uniformity are increased.
Specifically, the invention adopts 2 plasma torches 3, the included angle between each plasma torch 3 and the horizontal is 45 degrees in the initial state, the angle can be adjusted by 11 degrees by an angle adjusting component, the adjustable range of each plasma torch 3 is 34 degrees to 45 degrees, the power of each plasma torch 3 is 100kW, nitrogen is used as working gas, the gas flow is 60m3/h, and when the plasma torches 3 are electrified, the nitrogen is ionized into a plasma state, and the invention has the characteristics of high temperature, high energy and high speed. The plasma temperature of 100kW and 60m3/h is about 6000 ℃ and is higher than the temperature required by gasification of solid wastes. At high temperatures, solid waste first volatilizes methane, carbon monoxide, water vapor, and other small molecule hydrocarbon gases, which are known as volatiles. The volatile matters and the residual carbon left in the solid waste can continue to react with the oxidant in a complex way, and finally become carbon monoxide and hydrogen, while ash in the solid waste can become a molten state to form a stable glassy state, wrap heavy metals in the solid waste, and achieve the effects of harmless and recycling treatment. The main indexes for judging the gasification effect of the gasification furnace include the ratio of oxygen to coal, the carbon conversion rate, the low-level heat value of the product and the like. In the gasification furnace, high-temperature plasma is jetted to the center of the heat-resistant crucible 2 after leaving the plasma torch 3, and gasification reaction of solid waste is started, but the plasma torch 3 can cause local heat unbalance in the furnace, so that the solid waste at the center position of the heat-resistant crucible 2 can not obtain enough energy, and the center of the heat-resistant crucible 2 can be corroded more. The above problems can be alleviated in a certain case by adjusting the angle of the plasma torch 3 in real time through observation of the observation window 6 during the operation of the plasma torch 3, the observation window 6 being made of high purity silica.
The gasification furnace is of a Laval nozzle structure, the furnace chamber is divided into a contraction section, a throat and an expansion section, the angle of the contraction section is 34-45 degrees, and the angle of the expansion pipe is 12-20 degrees, and the gasification furnace is designed to be of the Laval nozzle structure, so that the gasification agent (air) can be accelerated when passing through the throat, thereby ensuring that solid waste can contact more gasification agent in the gasification process, and improving the gasification efficiency. The upper end of the gasification furnace is also provided with an air outlet 7 which is convenient for discharging air.
The inner wall of the lower edge of the convergence section of the gasification furnace is provided with an inward annular step 4, the heat-resistant crucible 2 is arranged on the annular step 4, the longitudinal section view of the heat-resistant crucible 2 is H-shaped, as shown in fig. 2 and 3, the heat-resistant crucible comprises a dry pot surface 21 and an annular crucible frame 22 which are horizontally arranged, a plurality of ash falling holes 211 are arranged on the dry pot surface 21, 5 circles of ash falling holes 211 are uniformly distributed on the dry pot surface 21, the number of the nth circle is 4n, namely, the number of the inner and outer holes is 1, 4, 8, 16 and 32, and each ash falling hole 211 is in a reverse trapezoidal table shape. In order to ensure that solid waste stays on the heat-resistant crucible 2 for more time and improve the carbon conversion rate, the ash falling holes on the heat-resistant crucible are designed by adopting a pattern drawing angle of 8 degrees.
As shown in fig. 4, the plasma torch 3 is arranged on the gasification furnace in an angle-adjustable manner through the limiter 5, the limiter 5 comprises a lifting piece 51 arranged on the plasma torch 3 and a limiting plate 52 arranged on the side wall of the gasification furnace, the plasma torch 3 penetrates through the limiting plate 52, an annular head bolt 53 is arranged on the limiting plate 52, an annular head end is sleeved on the lifting piece 51, the other end of the annular head bolt 53 penetrates out of the limiting plate 52, a nut 54 is matched with the penetrating end, the angle of the plasma torch 3 is adjusted by adjusting the nut 54, the lifting piece 51 comprises a sleeve 511 arranged on the plasma torch 3, two opposite connecting columns 512 are arranged on the sleeve 511, the two opposite connecting columns 512 are connected through a bolt 513, the annular head end is sleeved on the bolt 513, a spherical sleeve 511 is arranged on the plasma torch 3, and the plasma torch 3 is arranged on the gasification furnace through the spherical sleeve 511.
The invention relates to a mounting mode of a gasification furnace with an adjustable angle of a plasma torch 3, which comprises the following steps: first, it is necessary to smoothly place the refractory crucible 2 on the annular step of the throat portion of the gasification furnace. The plasma torch 3 system then needs to be installed in a sequence: the annular head bolt 53 is installed on the limiting plate 52, then the spherical sleeve 511 and the limiting plate 52 are fixed on the furnace wall together, then the plasma torch 3 is inserted into the sleeve 511, the height of the annular head bolt 53 is adjusted to enable the annular head to be consistent with two installation holes of the bolt 513, limiting of the plasma torch 3 is achieved through annular head sleeving on the bolt 513, finally the cylindrical sleeve 511 bolt 513 is sleeved, and fixing of the plasma torch 3 is completed.
The invention can adjust the operation mode of the gasification furnace with the angle of the plasma torch 3: firstly, starting ignition of the plasma torch 3, charging gas into the plasma torch 3 after a cooling system of the plasma torch 3 is started, and then opening a power transmission switch of the plasma torch 3 to finish the ignition of the plasma torch 3; after the plasma torch 3 is ignited, the temperature in the furnace is firstly increased to about 1200 ℃, then solid waste is fed into the furnace, and the solid waste is firstly subjected to grinding, drying, crushing and other process treatments and then is fed into the furnace together with air (primary air); in the running process, the combustion state of the furnace can be observed at regular time, and the angle of the plasma torch 3 can be adjusted to achieve an ideal state.
According to the gasification furnace with the adjustable angle of the plasma torch 3, the angle-adjustable plasma torch 3 is designed, the plasma direction can be adjusted according to specific conditions in actual operation, local heat load overload is avoided, and local gasification is incomplete; the Laval nozzle is adopted as the integral shape of the plasma gasification furnace, so that the Laval nozzle can accelerate the gas flow rate, the gasifying agent can be contacted with solid waste more quickly, meanwhile, the ash falling holes 211 of the heat-resistant crucible 2 are in a pattern drawing design, the gasification time of solid waste is prolonged, and the gasification products and the carbon conversion rate are improved.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined as the scope of the claims.
Claims (10)
1. The utility model provides a gasifier of adjustable plasma torch angle, its characterized in that, the top of gasifier is provided with feed inlet (1) vertically, the throat of gasifier is provided with heat-resisting crucible (2), the bottom of gasifier is provided with slag collection device, be provided with at least one plasma torch (3) on the gasifier, plasma torch (3) run through the gasifier, and be located the top of heat-resisting crucible (2), the contained angle of plasma torch (3) axis and horizontal plane is adjustable, establishes the contained angle and is a,34 is less than or equal to alpha is less than or equal to 45.
2. The gasifier with adjustable plasma torch angle according to claim 1, wherein the number of plasma torches (3) is two, and the two plasma torches are respectively and correspondingly arranged at two sides of the gasifier.
3. The adjustable angle plasma torch gasifier of claim 1 wherein the gasifier is a laval nozzle configuration having a converging section angle of 34 ° to 45 ° and a diverging tube angle of 12 ° to 20 °.
4. A gasifier according to claim 1, characterized in that the inner wall of the lower edge of the converging section of the gasifier is provided with an inward annular step (4), and the refractory crucible (2) is arranged on the annular step (4).
5. The gasifier with adjustable plasma torch angle according to claim 4, characterized in that the longitudinal section of the heat-resistant crucible (2) is H-shaped, comprising a horizontally arranged dry pan surface (21) and an annular arranged crucible holder (22), wherein the dry pan surface (21) is provided with a plurality of ash falling holes (211).
6. The gasifier with the adjustable plasma torch angle according to claim 5, wherein 5 circles of ash falling holes (211) are uniformly distributed on the dry pan surface (21), the nth circle is provided with 4n ash falling holes (211) from inside to outside, and each ash falling hole (211) is in an inverted-ladder shape.
7. The gasifier of adjustable plasma torch angle according to claim 1, characterized in that the plasma torch (3) is arranged on the gasifier in an angle-adjustable way through a limiter (5), the limiter (5) comprises a lifting piece (51) arranged on the plasma torch (3) and a limiting plate (52) arranged on the side wall of the gasifier, the plasma torch (3) penetrates through the limiting plate (52), an annular head bolt (53) is arranged on the limiting plate (52), the annular head end is sleeved on the lifting piece (51), the other end of the annular head bolt (53) penetrates out of the limiting plate (52), a nut (54) is matched at the penetrating end, and the angle of the plasma torch (3) is adjusted by adjusting the nut (54).
8. The gasifier according to claim 7, characterized in that the pulling member (51) comprises a sleeve (511) arranged on the plasma torch (3), two opposite connecting columns (512) are arranged on the sleeve (511), the two opposite connecting columns (512) are connected through a bolt (513), and the annular head end is sleeved on the bolt (513).
9. The angle-adjustable gasifier according to claim 7, characterized in that the plasma torch (3) is provided with a spherical sleeve (511), and the plasma torch (3) is arranged on the gasifier through the spherical sleeve (511).
10. The gasifier with the adjustable plasma torch angle according to claim 1, wherein an observation window (6) is arranged on the gasifier, and the observation window (6) is arranged above the heat-resistant crucible (2) for observing the combustion condition in the heat-resistant crucible (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310632173.4A CN116536083A (en) | 2023-05-31 | 2023-05-31 | Gasifier capable of adjusting angle of plasma torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310632173.4A CN116536083A (en) | 2023-05-31 | 2023-05-31 | Gasifier capable of adjusting angle of plasma torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116536083A true CN116536083A (en) | 2023-08-04 |
Family
ID=87452383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310632173.4A Pending CN116536083A (en) | 2023-05-31 | 2023-05-31 | Gasifier capable of adjusting angle of plasma torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116536083A (en) |
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2023
- 2023-05-31 CN CN202310632173.4A patent/CN116536083A/en active Pending
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