CN108488804B - For the reforming plasma combustion chamber of Solid Waste Treatment and method - Google Patents
For the reforming plasma combustion chamber of Solid Waste Treatment and method Download PDFInfo
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- CN108488804B CN108488804B CN201810283491.3A CN201810283491A CN108488804B CN 108488804 B CN108488804 B CN 108488804B CN 201810283491 A CN201810283491 A CN 201810283491A CN 108488804 B CN108488804 B CN 108488804B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/20—Supplementary heating arrangements using electric energy
- F23G2204/201—Plasma
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses for the reforming plasma combustion chamber of Solid Waste Treatment and method.Reforming plasma combustion chamber of the invention is provided simultaneously with two kinds of functions of purification and syngas combustion.When purification, plasma torch is opened, and reforming plasma chamber temperature reaches 950 DEG C or more, and the residence time is more than 2s, uniform by type face variation flue-gas temperature, avoids generating the undecomposed dead zones of harmful substances such as dioxin.
Description
Technical field
The present invention relates to field for the treatment of of solid waste, and specifically the present invention relates to the plasmas for Solid Waste Treatment
Reforming combustion room and method.
Background technique
With the development of society, the discharge of hazardous waste is also increasing.It is estimated that the hazardous waste production that the whole world is annual
Raw amount is up to more than 300,000,000 tons.Meanwhile adhering to the reinforcement of environmental consciousness, the standard requirements of environmental protection are also being continuously improved, this is to danger
Treatment of wastes produced produces huge pressure.
Burning disposal is a kind of effective means of Solid Waste Treatment.Use is usually set to incinerator when burning disposal
There are two combustion chamber, i.e., one combustion room and dual firing chamber.Using two-stage combustion mode, a combustion room burning solid generates flue gas and enters two
Room is fired, in this combustion product gases to further remove the harmful substance not burnt in flue gas.
For example, CN107676795A discloses a kind of rotary kiln dual firing chamber fusing system comprising rotary kiln, rotation
Kiln connects dual firing chamber, is provided with fuel nozzle in dual firing chamber, air inlet head is provided in dual firing chamber, dual firing chamber lower end is provided with molten
Melt device, melting plant lower end is provided with drainage conduit, and melting plant includes thermal insulating seat, and molten-bath is provided in thermal insulating seat, melts
Kettle is arranged in eddy current heating device, and molten-bath upper end is provided with the exhaust gas nozzle of opening obliquely, and exhaust gas nozzle connects air inlet
Control valve, air intake control valve connect air inlet pipe, and air inlet pipe connects external fuel cartridge, the setting of molten-bath lower end by attachment device
There is discharge road, discharge control valve is housed on discharge road, discharge road is arranged in drainage conduit, and the stabilized structure is stable, saves
The energy facilitates discharge to handle, and environmental protection is reliable.
For another example, CN206875445U discloses a kind of dual firing chamber of hazardous waste burn system, by dual firing chamber's ontology
Interior setting dish type air hose, air enter dual firing chamber's ontology by the aperture of dish type air hose, ensure that flue gas in dual firing chamber's ontology with
Air comes into full contact with, and guarantees that smoke combustion is more thorough；The secondary air fan of in the middle part of dual firing chamber ontology and lower part setting with naturally
Air burner guarantees that dual firing chamber's flue-gas temperature reaches standard and flue gas and has enough disturbances to form eddy flow, thus full combustion；
Automatic control system is formed by DCS control system, flame detector, Zirconium oxide oxygen sensor and temperature sensor etc., it is real
The real-time linkage control for having showed fuel flow rate, air quantity, makes the ignition temperature in dual firing chamber more stable, controls more intelligent；It solves
The disadvantage that smoke combustion is not thorough, combustion process is uncontrollable, intelligence degree is low in dual firing chamber in conventional incineration system.
As described above, although existing dual firing chamber can remove remaining harmful components in flue gas, but it is equal to there is flowing
Even property is poor, and harmful components remove incomplete problem.There is still a need for the technology and equipments for more thoroughly removing harmful components.
Summary of the invention
To solve the above-mentioned problems, the present invention has made intensive studies in solid waste treatment method, and provides a kind of new
The device and method for Solid Waste Treatment.Specifically, the present invention includes the following contents.
An aspect of of the present present invention provides a kind of reforming plasma combustion chamber for Solid Waste Treatment comprising from
Above straight sections, the first contraction section, the second expansion segment, the round corner section, lime-ash such as the gas inlet, the first expansion segment of lower setting, first
Collection section and lime-ash outlet, the round corner section be sequentially connected outward in the horizontal direction the second equal straight sections, the second contraction section and
Synthesis gas or exhanst gas outlet；Wherein the reforming plasma combustion chamber includes that the first group interface setting up and down and second group connect
Mouthful, first group interface is set to first expansion segment, second group interface is used for for connecting plasma torch
Fuel nozzle and/or plasma torch are connected, the round corner section is set to.
In certain embodiments, the section of first expansion segment is circle, and is gradually expanded from top to bottom, expansion half
Angle is 10~30 degree；Described first equal straight sections are cross-section cylinder；The section of first contraction section is circle, and from top to bottom
It gradually tapers up, shrinking half-angle is 40~60 degree；The section of second expansion segment is circle, and is gradually expanded from top to bottom, is expanded
Opening half-angle is 10~30 degree；The round corner section is equal tee structure, and top connect with second expansion segment, lower section with it is described
The connection of ash collection section, horizontal direction wait one end of straight sections to connect with second；The ash collection section is to shrink cone, shrinks half-angle
It is 10~30 degree, for collecting the lime-ash of flue gas generation；The lime-ash outlet is circular section pipeline, for excluding lime-ash.
In certain embodiments, the described second equal straight sections are cross-section cylinder；The synthesis gas or exhanst gas outlet are to receive
Contracting section, shrinking half-angle is 30~50 degree.
In certain embodiments, first group interface includes even number interface, is uniformly arranged on the first expansion segment,
And each interface is vertical with the expansion conical surface.
In certain embodiments, second group interface includes first interface, second interface and third interface, and described
The setting substantially symmetrical about its central axis that first interface and third interface wait straight sections along described second, the second interface are equal straight along described second
The central axis setting of section, and the first interface connects with the angle of the second interface and the second interface with the third
The angle of mouth is respectively 60 degree.
In certain embodiments, reforming plasma combustion chamber of the invention further comprises air intlet group, is set
It is placed in second expansion segment.
In certain embodiments, the air intlet group includes even number air intlet, is uniformly distributed in described
Two expansion segments, each interface are vertical with the expansion conical surface.
Another aspect of the present invention provides a kind of method for Solid Waste Treatment comprising using of the present invention
Reforming plasma combustion chamber the step of, wherein second group interface connect plasma torch.Optionally, the present invention is made
Second group interface connects fuel nozzle, and opens at least partly air intlet in the air intlet group.
In certain embodiments, the indoor temperature of method plasma reforming combustion of the invention is 950 DEG C or more,
Residence time is 2.0 seconds or more in furnace with high-temperature flue gas.
Reforming plasma combustion chamber of the invention is provided with plasma torch interface, can make reforming plasma combustion chamber
Interior temperature reaches 950 DEG C or more.The present invention keeps high-temperature flue gas uniform in reforming plasma combustion chamber by rationally designing
Flowing, no low temperature dead zone, residence time are greater than 2 seconds.
In preferred embodiments, upper layer and lower layer plasma torch is arranged in reforming plasma combustion chamber, passes through two layers
The high temperature purification of plasma torch wipes out furans and dioxin etc. in removing flue gas while remaining organic principle
Harmful substance.
In other preferred embodiments, one layer of plasma torch, lower section are set above reforming plasma combustion chamber
One layer of fuel nozzle is set.By this secondary air supply device, guarantee that flue gas comes into full contact with oxygen at high temperature, while guaranteeing cigarette
Gas is carried out in the residence time of reforming plasma combustion chamber, and according to the oxygen content of reforming plasma combustor exit flue gas
Volume of air supply is adjusted, flue gas is decomposed sufficiently in furnace and burns, to reach higher resolution ratio.Meanwhile it is large-sized in flue gas
Dust falls into the recycling of reforming plasma bottom of combustion chamber.
Detailed description of the invention
Fig. 1 is a kind of structure of exemplary plasma reforming combustion of the invention room.
Fig. 2 is a kind of arrangement schematic diagram of exemplary first expansion segment plasma torch interface of the present invention.
Fig. 3 is a kind of arrangement schematic diagram of exemplary second expansion segment air intlet of the present invention.
Fig. 4 is the arrangement schematic diagram of a kind of exemplary round corner section fuel nozzle of the present invention or plasma torch interface.
Description of symbols
The straight sections 3 such as gas inlet 1, the first expansion segment 2, first, the first contraction section 4, the second expansion segment 5, round corner section 6, ash
Slag collection section 7, lime-ash outlet straight sections 9, the second contraction section 10, synthesis gas or the exhanst gas outlet 11 such as 8, second, the first group interface 12,
Air intlet group 13, the second group interface 14, fire-resistant heat insulating material 15.
Specific embodiment
The existing various exemplary embodiment that the present invention will be described in detail, the detailed description are not considered as to limit of the invention
System, and it is understood as the more detailed description to certain aspects of the invention, characteristic and embodiment.
It should be understood that it is to describe special embodiment that heretofore described term, which is only, it is not intended to limit this hair
It is bright.In addition, for the numberical range in the present invention, it is thus understood that specifically disclose the range upper and lower bound and they it
Between each median.Median and any other statement value in any statement value or stated ranges or in the range
Lesser range is also included in the present invention each of between interior median.These small range of upper and lower bounds can be independent
Ground includes or excludes in range.
Unless otherwise stated, all technical and scientific terms used herein has the routine in field of the present invention
The normally understood identical meanings of technical staff.Although the present invention only describes preferred method and material, of the invention
Implement or also can be used and similar or equivalent any method and material described herein in testing.The institute mentioned in this specification
There is document to be incorporated by reference into, to disclosure and description method relevant to the document and/or material.It is incorporated to any
When document conflicts, it is subject to the content of this specification.
Unless otherwise stated, " section " refers to the section of horizontal direction.About "and/or" used herein,
Including any of the things or whole combinations.
" solid waste " of the present invention is sometimes referred to simply as " solid waste ", refers in production, life and other active procedures
Though solid, the semisolid for losing original utility value or do not lose utility value but be abandoned or abandon of middle generation.
Classification by source, solid waste may include industrial solid wastes, municipal refuse, agricultural wastes and solid radiation.By chemistry
Compositional classification, solid waste may include debirs and inorganic wastes.Classify by hazard conditions, solid waste may include harmful useless
Object and general waste.Preferably, solid waste of the invention is debirs.Debirs refer to using organic matter as main component
Waste, but this does not imply that debirs do not include any inorganic constituents.Preferably, debirs of the invention include 20
Weight % is hereinafter, it is preferred that 15 weight % inorganic constituents below, such as inorganic salts and dust etc..
" reforming plasma combustion chamber " of the invention belongs to a part of solid waste burning or gasification and melting fume treatment.This
The reforming plasma combustion chamber of invention is used to handle the gas generated after solid waste incinerator or melting furnace solid (commonly referred to as
Make flue gas, to not fully oxidized, CO and H2The higher also referred to as crude synthesis gas of content).Solid refuse enters solid incinerator or gas
Change melting furnace to burn or crack, efficiently controls the generation of a part of hypertoxic gas (for example, dioxin).It is of the invention it is equal from
The harmful components in gas that daughter reforming combustion room obtains after incinerator or melting furnace for further processing.Tradition is solid
Dual firing chamber is a part of incinerator in waste burning system, and burning furnace temperature by the regulation of GB18485-2014 only needs 850 DEG C, is stopped
Stay 2s or more.Advantage of the invention is that the temperature that plasmatorch generates is higher, internal temperature can reach 950 DEG C or more,
And the nuisances such as dioxin can uniformly and be efficiently removed with straight sections, the cooperations of the first contraction section such as the first expansion segment, first
Matter, removal effect are much higher than other dual firing chamber.
The present invention is by using plasma high-temperature technology, and the knot by rationally designing reforming plasma combustion chamber
It is poisonous and harmful especially to wipe out furans and dioxin etc. to improve the removal rate of residual harmful ingredient in flue gas for structure
Substance.Specifically, the present invention includes for the reforming plasma combustion chamber of Solid Waste Treatment and method.In detail below
Explanation.
Reforming plasma combustion chamber for Solid Waste Treatment
Reforming plasma combustion chamber for Solid Waste Treatment of the invention include the flue gas that is arranged from top to bottom into
The straight sections such as mouth, the first expansion segment, first, the first contraction section, the second expansion segment, round corner section, ash collection section, lime-ash outlet, with
And it is sequentially connected the second equal straight sections, the second contraction section and synthesis gas or exhanst gas outlet outward in the horizontal direction at round corner section.
Gas inlet of the invention is used to connect one end of smoke pipeline, and the other end of smoke pipeline can connect a combustion room, thus
The flue gas that one combustion room generates is imported into reforming plasma combustion chamber.The shape of gas inlet is not particularly limited.Preferably, flue gas
Import is circular section pipeline.The connection type of gas inlet and smoke pipeline is not particularly limited, for example, can pass through flanged joint etc..
The section of first expansion segment of the invention can be any shape, for example, triangle, circle, ellipse, polygon
Deng preferably circular.First expansion segment gradually expands from top to bottom, and expansion half-angle is 10~30 degree, preferably 15~25 degree, more excellent
Select 16~24 degree, most preferably 20 degree.Expansion half-angle it is too small or it is excessive for flue gas enter flow direction have an adverse effect, be unfavorable for
The mixing of flue gas.First expansion segment has smallest cross-sectional and maximum cross-section, and the area of maximum cross-section is the area of smallest cross-sectional
2:5 times, preferably 3 times, to be more advantageous to the mixing of flue gas.
The equal straight sections of of the invention first are set to the lower section of the first expansion segment, are preferably arranged in vertical.It is preferably
One section of cross-section cylinder.In vertical direction, it is 2.5~1.5 that the length of the first expansion segment, which waits the length ratio of straight sections with first:
1, preferably 2:1.
First contraction section of the invention is set to below the first equal straight sections, and the section of horizontal direction is circle, and from upper
It is gradually tapered up under and, shrinking half-angle is 40~60 degree, preferably 43~55 degree, more preferable 45 degree.The section of first contraction section is not special
It does not limit, it can be preferably circular for triangle, circle, ellipse, polygon etc..First contraction section have maximum secting area and
Minimum sectional area, and the area of maximum cross-section is 1.5:2.5 times of area of smallest cross-sectional, preferably 1.8 times, to be more advantageous to
The mixing of flue gas.
In reforming plasma combustion chamber of the invention, in vertical direction, the length of the first equal straight sections is shunk with first
The length ratio of section is 2.5~1.5:1, preferably 2:1.
Second expansion segment of the invention is set to below the first contraction section.Second expansion segment gradually expands from top to bottom, expands
Opening half-angle is 10~30 degree, preferably 15~25 degree, preferably 20 degree.The section of second expansion segment horizontal direction is not particularly limited, can
It is preferably circular for triangle, circle, ellipse, polygon etc..Second expansion segment has maximum secting area and smallest cross-sectional
Product, and the area of maximum cross-section is 1.5:2.5 times of area of smallest cross-sectional, preferably 1.8 times, to be more advantageous to mixing for flue gas
It closes.
In reforming plasma combustion chamber of the invention, in vertical direction, the length of the first contraction section and the second expansion
The length ratio of section is 1:2.5~3.5, preferably 1:3.
In the present invention, the straight sections such as the first expansion segment, first, the first contraction section and the second expansion segment constitute expansion-receipts converging/diverging
The structure opened, the inhomogeneities that can be removed smoke through plasma torch region form homogeneous temperature field in the second expansion segment；
The generation for effectively inhibiting big separation vortex simultaneously, avoids excessive air from contacting with plasma torch high-temperature region, substantially reduces nitrogen oxidation
The generation probability of object.
Round corner section of the invention is preferably equal tee, and the second expansion segment is arranged in top, and ash collection section is arranged in lower section,
The straight sections such as side setting second.
Ash collection section of the invention is preferably contraction section, for collecting the solid generated in reforming plasma combustion chamber
Lime-ash to lime-ash exports.Wait straight sections by synthesis gas or cigarette via second through the purified smart synthesis gas in reforming plasma combustion chamber
Gas outlet discharge, into subsequent purification equipment.
The equal straight sections of of the invention second are preferably cross-section cylinder, and length is not particularly limited.Synthesis gas or exhanst gas outlet
For contraction section, shrinking half-angle is 30~50 degree, preferably 45 degree.Preferably, synthesis gas or exhanst gas outlet and flue gas purification system
Pipeline connection.
Reforming plasma combustion chamber of the invention includes the first group interface and the second group interface setting up and down, and first group
Interface is set to the first expansion segment for connecting plasma torch.In certain embodiments, the first group interface includes even number
A interface, such as 2,4,6,8,10,12,14,16,18 or 20 interfaces.These interfaces are uniformly set
It is placed in the first expansion segment, and each interface is vertical with the expansion conical surface.In certain embodiments, each interface in the first group interface
Plasma torch can be all connected, or only part of interface connects plasma torch.In certain embodiments, it connects for first group
Mouthful in each interface all connection plasma torch, and by part or all of plasma torch can it is pent in a manner of be arranged.
In the present invention, the second group interface is set to round corner section for connecting fuel nozzle and/or plasma torch.?
In certain embodiments, the second group interface includes multiple interfaces, for example including first interface, second interface and third interface.It is excellent
The setting substantially symmetrical about its central axis that selection of land, first interface and third interface wait straight sections along second, second interface is along the second equal straight sections
Mandrel setting, and the angle of the angle and second interface of first interface and second interface and third interface is respectively 60 degree.That is,
3 interfaces are arranged in second group interface, and fan-shaped arrangement arranges 60 degree of angle.In certain embodiments, in the second group interface
Multiple interfaces are all connected with fuel nozzle.In certain embodiments, multiple interfaces in the second group interface are all connected with plasma
Torch.In certain embodiments, a part connection plasma torch in multiple interfaces of the second group interface, a part connection combustion
Expect nozzle.In certain embodiments, a part in multiple interfaces of the second group interface is not connected with any fuel nozzle or waits
Gas ions torch.
In the present invention, it is preferable that reforming plasma combustion chamber further comprises air intlet group.Preferably, it is arranged
In the second expansion segment.Preferably, air intlet group includes even number air intlet, for example, 4,6,8,10,12,
14,16,18,20 air intlets.Preferably, these interfaces are uniformly distributed in the second expansion segment, and each interface and expansion
It is vertical to open the conical surface.
The selection of the length ratio of reforming plasma combustion chamber entire length of the invention, bore and each composition part
It is advantageously ensured that flue gas stops the time of 2s or more in reforming plasma combustion chamber
Reforming plasma combustion chamber of the invention is for handling flue gas.Reforming plasma combustion chamber of the invention is used for
Gas (the commonly referred to as flue gas, to not fully oxidized, CO and H generated after processing solid waste incinerator or melting furnace solid2Contain
Measure higher also referred to as crude synthesis gas).To crude synthesis gas, method of the invention has the function of two kinds of second-time burning and purification, i.e. function
Energy 1, first layer plasma high-efficient purification harmful components, oxygen-enriched combusting synthesis gas, the few then blowing air of synthesis Gas content are not added
Fuel, synthesis Gas content is high, then needs blowing air, (synthesis Gas content height is then needed through more air, large quantity of air refuelling
Flue-gas temperature can be made to reduce, therefore want refuelling burning additional heat).Function 2, two layers of plasma high-efficient purification nocuousness at
Point, generate smart synthesis gas.Other flue gases are solid waste front-end processings using oxygen-enriched heat treatment mode, and the present invention mainly purifies function
Can, that is, pass through two layers of plasma torch high-efficient purification harmful components.Function for synthesis gas is other reforming plasma combustions
Burn what room did not had, for other flue gases, the present invention is more efficient.
Although those skilled in the art are as described above, describing each composition part of reforming plasma combustion chamber
Know, above-mentioned each composition part can it is integrally formed or it is prefabricated be independent part, be then connected as one by connection means.Even
The example for taking over section includes welding, threaded connection etc..
The settable fire-resistant heat insulating material of reforming plasma combustion chamber of the invention, shell can be the steel of 20G production
Structure housing.
Method for Solid Waste Treatment
Method of the present invention for Solid Waste Treatment, method sometimes referred to simply as of the invention refer to and use this
Invent method of the reforming plasma combustion chamber as its step.Reforming plasma combustion chamber of the invention can be advantageously
Controlling internal temperature is 950 DEG C or more, such as 1000 DEG C or more, 1200 DEG C or more and high-temperature flue gas are in internal residence time
It is 2.0 seconds or more, to be conducive to completely removing for harmful components.Method of the invention can be disposed for different flue gases and be required
(synthesis gas is recycled or do not recycled), is burned or is purified to the synthesis gas part in flue gas.
In certain embodiments, the reforming plasma combustion chamber that method of the invention uses does not include air intlet
Group, and at least partly connection plasma torch in the second group interface.Optionally, the plasma weight that method of the invention uses
Whole combustion chamber includes air intlet group, and closes at least partly connection plasma in air intlet group and the second group interface
Torch.In certain embodiments, the reforming plasma combustion chamber that method of the invention uses includes air intlet group, and second
At least partly connection fuel nozzle and unlatching air intlet group in group interface.
Embodiment
The first structure of 1 reforming plasma combustion chamber of embodiment
Fig. 1 is a kind of structure of exemplary plasma reforming combustion of the invention room.As shown in Figure 1, the present embodiment etc.
Gas ions reforming combustion room includes the straight sections (3) such as the gas inlet (1) being arranged from top to bottom, the first expansion segment (2), first,
One contraction section (4), the second expansion segment (5), round corner section (6), ash collection section (7), lime-ash outlet (8), further include in round corner section
It is sequentially connected second equal straight sections (9), the second contraction section (10) and synthesis gas or exhanst gas outlet (11) outward in the horizontal direction.This
The reforming plasma combustion chamber of embodiment further includes the first group interface (12) setting up and down, the second group interface (14) and air
Import group (13).
In the reforming plasma combustion chamber of the present embodiment, gas inlet (1) is circular section pipeline, by flange with into cigarette
The connection of pipeline (not shown).First expansion segment (2) section is circle, is gradually expanded from top to bottom, and expansion half-angle is 20 °.First
Equal straight sections (3) are one section of cross-section cylinder.First contraction section (4) section is circle, is gradually tapered up from top to bottom, shrinks half-angle and is
40°.Second expansion segment (5) section is circle, is gradually expanded from top to bottom, and expansion half-angle is 20 °.Round corner section (6) is isometrical three
It is logical.Ash collection section (7) is a contraction cone, and shrinking half-angle is 20 ° or so, for collecting the lime-ash of flue gas generation.Lime-ash outlet
It (8) is circular section pipeline, for excluding lime-ash.Second equal straight sections are one section of cross-section cylinder.Synthesis gas or exhanst gas outlet (11)
For contraction section, shrinking half-angle is 45 °.Outlet (11) is connect with flue gas purification system pipeline (not shown).
Fig. 2 is a kind of arrangement schematic diagram of exemplary first expansion segment plasma torch interface of the present invention.As shown in Fig. 2,
6 interfaces are arranged altogether, are evenly arranged in the middle part of the first expansion segment (2) for first group interface (12) setting, and interface and the expansion conical surface hang down
Directly.
Fig. 3 is a kind of arrangement schematic diagram of exemplary second expansion segment air intlet of the present invention.As shown in figure 3, air into
Mouth group (13) is arranged in the middle part of the second expansion segment (5), and 12 interfaces are arranged altogether, are evenly arranged, and interface is vertical with the expansion conical surface.
Fig. 4 is the arrangement schematic diagram of a kind of exemplary round corner section fuel nozzle of the present invention or plasma torch interface.Such as Fig. 4
Shown, fuel nozzle or plasma interface (14) are arranged in the middle part of round corner section, and 3 interfaces, fan-shaped arrangement, arrangement are arranged altogether
60 ° of angle.
Fire-resistant heat insulating material (15) are arranged in the reforming plasma combustion chamber of the present embodiment, and shell is 20G production
Steel construction shell.
Second of structure of 2 reforming plasma combustion chamber of embodiment
Other than not including air intlet group, remaining structure is identical as above-described embodiment 1.
Embodiment 3 is used for the method for Solid Waste Treatment (synthesis gas need to purify collection in flue gas)
Use the reforming plasma combustion chamber of embodiment 1.First group interface (12) is pacified according to smoke components and exhaust gas volumn
6 plasma torch are set, air intlet group (13) is closed, and fuel nozzle or plasma interface (14) are according to smoke components and cigarette
Tolerance installs 3 plasma torch.After flue gas enters from gas inlet (1), pass through upper layer and lower layer plasma torch high temperature respectively
Purification removes remaining organic principle in flue gas, while wiping out the poisonous and harmful substances such as furans and dioxin, and lime-ash is by ash
Slag collection section (7) is collected, and by lime-ash outlet (8) discharge, purified essence synthesis gas is arranged by synthesis gas or exhanst gas outlet (11)
Out, into subsequent purification equipment.
Embodiment 4 is used for the method for Solid Waste Treatment (synthesis gas is not collected in flue gas)
Using the reforming plasma combustion chamber of embodiment 1, the first group interface (12) is pacified according to smoke components and exhaust gas volumn
Set 6 plasma torch, air intlet group (13) opens 12 according to smoke components and exhaust gas volumn, fuel nozzle or plasma
Interface (14) installs 3 fuel nozzles according to smoke components and exhaust gas volumn.After flue gas enters from gas inlet (1), expand first
It opens section and remaining organic principle in flue gas is removed by plasma torch high temperature purification, while wiping out furans and dioxin
Etc. poisonous and harmful substances, after in the second expansion segment dilution air, make synthesis gas oxygen-enriched combusting, if ignition temperature be lower than 950 DEG C, need
It opens fuel nozzle and sprays into auxiliary fuel progress burning, heating, prevent the lower dioxin recombination of temperature.Lime-ash after burning by
Ash collection section (7) is collected, and is discharged by lime-ash outlet (8), and the flue gas after full combustion is by synthesis gas or exhanst gas outlet (11)
Discharge, into subsequent purification equipment.
Without departing substantially from the scope or spirit of the invention, the specific embodiment of description of the invention can be done more
Kind improvements and changes, this will be apparent to those skilled in the art.Other realities obtained by specification of the invention
Applying mode for technical personnel is apparent obtain.Present specification and embodiment are merely exemplary.
Claims (10)
1. a kind of reforming plasma combustion chamber for Solid Waste Treatment, which is characterized in that including what is be arranged from top to bottom
The straight sections such as gas inlet, the first expansion segment, first, the first contraction section, the second expansion segment, round corner section, ash collection section and lime-ash
Outlet is sequentially connected second in the round corner section outward in the horizontal direction and waits straight sections, the second contraction section and synthesis gas or flue gas
Outlet；
Wherein the reforming plasma combustion chamber includes the first group interface and the second group interface setting up and down, and described first group
Interface is for connecting plasma torch comprising even number interface, and it is uniformly arranged on first expansion segment, described second group
Interface is set to the round corner section for connecting fuel nozzle and/or plasma torch.
2. reforming plasma combustion chamber according to claim 1, which is characterized in that the section of first expansion segment is
Circle, and gradually expand from top to bottom, expansion half-angle is 10~30 degree；Described first equal straight sections are cross-section cylinder；Described
The section of one contraction section is circle, and is gradually tapered up from top to bottom, and shrinking half-angle is 40~60 degree；Second expansion segment is cut
Face is circle, and is gradually expanded from top to bottom, and expansion half-angle is 10~30 degree；The round corner section is equal tee structure, top
It is connect with second expansion segment, lower section is connect with the ash collection section, and horizontal direction is connect with one end of the second equal straight sections；
The ash collection section is to shrink cone, and shrinking half-angle is 10~30 degree, for collecting the lime-ash of flue gas generation；The lime-ash outlet
For circular section pipeline, for excluding lime-ash.
3. reforming plasma combustion chamber according to claim 1, which is characterized in that the described second equal straight sections are cross-section
Cylinder；The synthesis gas or exhanst gas outlet are contraction section, and shrinking half-angle is 30~50 degree.
4. reforming plasma combustion chamber according to claim 1, which is characterized in that each interface in first group interface
It is vertical with the expansion conical surface.
5. reforming plasma combustion chamber according to claim 1, which is characterized in that second group interface includes first
Interface, second interface and third interface, and the first interface waits the substantially symmetrical about its central axis of straight sections along described second with third interface
Setting, the central axis setting that the second interface waits straight sections along described second, and the first interface and the second interface
The angle of angle and the second interface and the third interface is respectively 60 degree.
6. reforming plasma combustion chamber according to claim 1, which is characterized in that it further comprise air intlet group,
It is set to second expansion segment.
7. reforming plasma combustion chamber according to claim 6, which is characterized in that the air intlet group includes even number
A air intlet, is uniformly distributed in second expansion segment, and each interface is vertical with the expansion conical surface.
8. a kind of method for Solid Waste Treatment comprising use plasma according to claim 1-5
The step of weight whole combustion chamber, wherein second group interface connects plasma torch.
9. a kind of method for Solid Waste Treatment comprising use reforming plasma according to claim 6 or 7
The step of combustion chamber, wherein second group interface connects fuel nozzle, and opens in the air intlet group at least partly
Air intlet.
10. method according to claim 8 or claim 9, wherein the reforming plasma burns indoor temperature 950 DEG C with
On and high-temperature flue gas in furnace residence time be 2.0 seconds or more.
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| ITRM20010288A1 (en) * | 2001-05-28 | 2002-11-28 | Ct Sviluppo Materiali Spa | CONTINUOUS PROCESSING PROCESS OF WASTE IN ORDER TO OBTAIN CONTROLLED COMPOSITION PROCEDURES AND SUITABLE PLASMA REACTOR |
| DE10341610B8 (en) * | 2003-09-10 | 2007-09-27 | Lentjes Gmbh | Process for the incineration of solid waste |
| CN102563662A (en) * | 2010-12-23 | 2012-07-11 | 张俊杰 | Plasma garbage furnace |
| CN202066028U (en) * | 2011-04-15 | 2011-12-07 | 张俊杰 | Movable high-risk industrial waste plasma incinerator |
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| CN107401748B (en) * | 2017-09-11 | 2023-06-27 | 德州泉润环境资源有限公司 | Secondary combustion, deacidification and denitration integrated device in dangerous waste incineration process |
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