CN109237490A - A kind of gasification plasma waste processing system - Google Patents
A kind of gasification plasma waste processing system Download PDFInfo
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- CN109237490A CN109237490A CN201811327020.4A CN201811327020A CN109237490A CN 109237490 A CN109237490 A CN 109237490A CN 201811327020 A CN201811327020 A CN 201811327020A CN 109237490 A CN109237490 A CN 109237490A
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- ash
- lime
- puddle
- processing system
- waste processing
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- 239000002699 waste material Substances 0.000 title claims abstract description 57
- 238000002309 gasification Methods 0.000 title claims abstract description 30
- 238000007781 pre-processing Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000002893 slag Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002844 melting Methods 0.000 claims abstract description 18
- 230000008018 melting Effects 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000004260 weight control Methods 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000002243 precursor Substances 0.000 claims description 2
- 150000003254 radicals Chemical class 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 description 19
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- 229910052751 metal Inorganic materials 0.000 description 8
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/80—Shredding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/30—Solid combustion residues, e.g. bottom or flyash
Abstract
A kind of gasification plasma waste processing system, it includes gasification plasma melting furnace and secondary response room, the gasification plasma waste melting furnace is used to treated waste being processed into slag and synthetic gas, the secondary response room be used to for synthetic gas being processed into can discharge gas and wash with remove can be entrained in discharge gas grit and water-soluble substance；The plasma waste melting furnace that gasifies includes preprocessing part and puddle, the preprocessing part includes Ash water mechanism, it includes that plates and broken delivery device is discharged at least 2 layers of lime-ash, plate is discharged with the ash discharging hole about center radially in lime-ash, the axis overlapping of at least 2 layers lime-ash discharge plate, and the other layers of lime-ash discharge plate in addition to the 1st layer is able to rotate different angles along axis to close or open the 1st layer of lime-ash discharge plate ash discharging hole, the broken delivery device is set to the lower section of at least two layers lime-ash discharge plate, for lime-ash to be crushed, and it is pushed into puddle.The present invention provides gasification plasma waste processing system and accounts for treatment effeciency height, and ground area is small.
Description
Technical field
The present invention relates to a kind of gasification plasma waste processing systems, belong to waste processing arts.
Background technique
A kind of vertical-type garbage incinerator is disclosed in the prior art, as shown in Figure 1, the lower part in vertical-type garbage incinerator is set
It is equipped with lime-ash output mechanism comprising supported device 1 by configuring a pair of stretching that can be opposite above and pulling out rubbish and set
It sets the opening and closing in lower section and freely incinerates lime-ash discharge plate 2.Under normal conditions, rubbish supports device 1 to pull out from furnace main body is burned,
It incinerates lime-ash discharge plate 2 and supports ash bed.When ash discharge, rubbish supports device 1 to stretch out to furnace main body is burned to support and be located at rubbish
The load-carrying for supporting the sedimentary of the top of device 1 supports the incineration lime-ash of the lower section of device 1 because incinerating lime-ash discharge positioned at rubbish
The rotation of plate 2, and be discharged to configuration and transported in device in the lime-ash incinerated below lime-ash output mechanism.
Vertical-type garbage incinerator is when handling rubbish, whole load-carryings of compatibility layer u, carburization zone c, burning zone y and ash bed z
It is supported by incineration lime-ash discharge plate 2, it is extremely difficult when being inserted and pulled through rubbish and supporting device 1, and cannot be to the lime-ash of bulk
It is crushed, therefore low to the treatment effeciency of lime-ash.
Summary of the invention
To overcome disadvantage existing in the prior art, goal of the invention of the invention is to provide at a kind of gasification plasma waste
Reason system, treatment effeciency is high, and ground area is small.
To realize that the goal of the invention, the present invention provide a kind of gasification plasma waste processing system, which is characterized in that its
Including gasification plasma melting furnace and secondary response room, the gasification plasma waste melting furnace is for handling treated waste
At slag and synthetic gas, the secondary response room be used for by synthetic gas be processed into can discharge gas and wash with remove
Grit and water-soluble substance that can be entrained in discharge gas；The plasma melting furnace that gasifies includes preprocessing part and melting
Part, the preprocessing part include cylindrical portion, pars infundibularis and with Ash water mechanism, the top of the pars infundibularis is connected to circle
To form preprocessing furnace main body, the Ash water mechanism is set to the main intracorporal lower part of pretreatment for canister portion lower part；The melting
Partial feed inlet be connected to the grey slag outlet of preprocessing furnace lower body part with using etc. from stream to lime-ash carry out melt process,
It is characterized in that, the Ash water mechanism includes that at least 2 layers of lime-ash discharge plate and broken delivery device, lime-ash discharge plate has
About center, radially the axis overlapping of plates, and the other layers of lime-ash in addition to the 1st layer are discharged in ash discharging hole, at least 2 layers of lime-ash
Discharge plate is able to rotate different angles along axis to close or open the 1st layer of lime-ash discharge plate ash discharging hole, and described be crushed pushes away
The lower section for sending mechanism to be set at least two layers lime-ash discharge plate, for lime-ash to be crushed, and is pushed into puddle.
Preferably, broken delivery device includes the axis that can be installed on pars infundibularis and the rotary body being arranged on axis, rotation
Body is provided with crushing teeth, and the inner wall of pars infundibularis is provided with crushing teeth.
Preferably, it is parallel to rotary shaft on rotary body, more body ribs is set, rib is included at least with the angle of the surfaces of revolution gradually
First face of increase is connect and perpendicular to the surfaces of revolution with the connection of the first face and the second face parallel with the surfaces of revolution and with the second face
Third face is provided with crushing teeth on the second face.
Preferably, it is provided with inclined bed of material in the puddle of the plasma smelting furnace, is inputted by preprocessing part
Lime-ash to puddle is placed on bed of material, to melt to lime-ash.
Preferably, the operating temperature of preprocessing part is between 450 degrees Celsius to 800 degrees Celsius；The work of puddle
Temperature is between 1300 degrees Celsius to 1800 degrees Celsius.
Preferably, according to the confession of the mean calorie of the waste of supply preprocessing part and Weight control supply preprocessing part
Oxygen amount is so that waste to be processed forms ash bed, burning zone, carburization zone and compatibility layer in preprocessing part.
Preferably, the smoke outlet of preprocessing part is connected to puddle so that puddle in flue gas can high temperature
The substance of decomposition carries out pyrolytic.
Preferably, it is connected to slagging channel in the end of the tilted bed of material of puddle, is provided in slagging channel
For closing and opening the door in channel.
Preferably, partition is provided in secondary response room, secondary response room is divided into air-flow upstream by the partition
Reaction chamber and the washing room in air-flow upstream again are provided with annular groove, the annular groove connection in the upper surface of partition
In the discharge outlet for being set to secondary response room side wall, baffle central is provided with exhaust pipe, and exhaust pipe is connected to the air storage chamber of convex cap,
The lower part of convex cap is radially equipped with multiple gas vents.
Preferably, then in precursor reactant room the oxidant containing free radical is injected to carry out secondary response again with synthetic gas.
Compared with prior art, the present invention provides gasification plasma waste processing system, and treatment effeciency is high, and ground area is small.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of the lime-ash output mechanism for the vertical-type garbage incinerator that the prior art provides；
Fig. 2 is the schematic diagram for the gasification plasma waste processing system that the prior art provides；
Fig. 3 is the composition schematic diagram of lime-ash output mechanism provided by the invention；
Fig. 4,5 and 6 are the ash after the first layer lime-ash discharge plate, the 2nd layer of lime-ash discharge plate and installation of lime-ash output mechanism respectively
The schematic diagram of slag discharge plate.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, it for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected, be also possible to
It is connected directly, can also can also be the connection inside two elements, for the general of this field indirectly connected through an intermediary
For logical technical staff, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Fig. 2 be the prior art provide gasification plasma waste processing system schematic diagram, as shown in Fig. 2, gasification etc. from
Sub- waste treatment system includes at least gasification plasma waste melting furnace and secondary response room, the gasification plasma waste melting
Furnace is used to for treated waste being processed into slag and synthetic gas, and synthetic gas for being processed into and can arrange by the secondary response room
Deflation body and washed with remove can be entrained in discharge gas grit and water-soluble substance.Plasma waste melting
Furnace includes preprocessing part 10 and the puddle 20 that is arranged in below preprocessing part, and the preprocessing part 10 includes cylinder
Portion 11, pars infundibularis 12 and with Ash water mechanism 13, it is pre- to be formed that the top of the pars infundibularis 12 is connected to 11 lower part of cylindrical portion
Furnace main body is handled, the Ash water mechanism 13 is set to the main intracorporal lower part of pretreatment；The feed inlet of the puddle 20
It is set to the position on the upper side of the shell of puddle, is connected to the grey slag outlet 16 of preprocessing furnace lower body part to utilize
Melt process is carried out to lime-ash Deng from stream.
Preprocessing furnace main body is by forming the steel shell of its shell, the top refractory material and lower part refractory material structure of inside
At.It is provided at the top of preprocessing furnace main body for waste to be put into the input port 14 in furnace, and the input port has
There are the sealing mechanisms such as double wind deflector 15.
The pars infundibularis 12 that the waste being put into is deposited narrowed formed it is hemispherical, when in Ash water mechanism
When rotary body is spherical, pars infundibularis 12 narrowed formed it is hemispherical with ball shape rotary mates.It is being configured at pars infundibularis 12
Lower part refractory material entire periphery on water-cooled jacket is set, the water-cooled jacket by by inside cooling water come to lower part fire resisting
Material is cooled down.The waste being put into furnace forms sedimentary in the pars infundibularis 12.
Incinerate the lower part that lime-ash output mechanism 13 is set to pars infundibularis 12.According to one embodiment, Ash water mechanism 13
Including N layers there is the lime-ash about center radially ash discharging hole plate is discharged, the axis of N layer lime-ash discharge plates is overlapped, and the 2nd arrives
N-th layer lime-ash discharge plate is able to rotate different angles along the rotary shaft that the 1st layer of lime-ash discharge plate lower central is arranged in
Plate ash discharging hole is discharged with closing and the 1st layer of lime-ash, the N is the integer more than or equal to 2.Under normal conditions, the the 2nd to N
Layer lime-ash discharge plate is able to rotate different angles around the rotary shaft that the 1st layer of lime-ash discharge plate lower central is arranged in seal
It closes and plate ash discharging hole is discharged with the 1st layer of lime-ash, to support the load-carrying of sedimentary.When needing ash discharge, arrived by driving mechanism rotation the 2nd
Plate is discharged in n-th layer lime-ash, so that the ash discharging hole of the 1st to n-th layer lime-ash discharge plate is unimpeded to carry out ash discharge.
According to one embodiment, it is additionally provided with broken delivery device below lime-ash discharge plate, for lime-ash is broken simultaneously
It is pushed to puddle 20, broken delivery device includes the axis 135 that can be installed on pars infundibularis and the rotary body being arranged on axis,
Rotary body is provided with crushing teeth, and the inner wall of pars infundibularis 12 is provided with crushing teeth 121.
According to the oxygen-supplying amount of the mean calorie of the waste of supply preprocessing part 10 and Weight control supply preprocessing part
So that waste to be processed forms ash bed z, burning zone y, carburization zone c and compatibility layer u in preprocessing part 10.Pretreatment portion
Points 10 operating temperature is between 450 degrees Celsius to 800 degrees Celsius.
According to an embodiment of the present invention, the axis of the lime-ash discharge plate upper surface of the first layer of lime-ash output mechanism is incinerated
Central spindle is empty to form gas-guide tube, and the combustion air come from the conveying of combustion air supply pipe is arranged by the lime-ash of first layer
Ejecting plate and the convex cap 133 be connected with its air-flow and be fed into sedimentary.The combustion air is provided by forced air supply machine.
Combustion air supply pipe has the flowmeter of the flow of the combustion air in monitoring pipeline and changes the confession of combustion air
To the open and close valve of amount.The supply amount of combustion air in present embodiment is controlled as, and is thickend in the deposition thickness of sedimentary
And the load becomes large for the conveying of combustion air, in the case that flow is reduced, the open and close valve is opened big so that combustion air
Supply amount increase；On the contrary, the deposition thickness in waste is thinning and the conveying load of combustion air becomes smaller, flow increases
In the case where, the open and close valve is turned down so that the supply amount of combustion air is reduced.
According to an embodiment of the present invention, puddle 20 includes container 21, the tilted bed of material of container 21 is arranged in
22 and it is used to support the bracket 24 of container 21, is cone shape at the top of container 21, center of top is provided with air inlet, the air inlet
By pipeline connection in the exhaust outlet of preprocessing part；The side wall at the top of cone shape is provided with feed inlet, and the feed inlet is direct
It is connected to the slag-drip opening of preprocessing part, to facilitate the Ash water mechanism by preprocessing part 10 directly to throw the lime-ash of crushing
It is sent to and is input to the lime-ash of puddle 20 and is placed on bed of material 22, to be melted to lime-ash.It is provided in puddle 20
For plasma electrode to 25, plasma electrode provides electric energy by plasma power supply to 25, can be direct current and is also possible to exchange
Electricity.The operating temperature of molten puddle is between 1300 degrees Celsius to 1800 degrees Celsius.
According to an embodiment of the present invention, the smoke outlet 17 of preprocessing part 10 is connected to puddle by pipeline 26
10 so that puddle 10 to entrained by flue gas can pyrolytic substance carry out pyrolytic.Preferably, in puddle
Smoke inlets 27 are arranged in 10 tops, so dust entrained by flue gas that preprocessing part 10 is discharged can be also introduced into fusing department
20 are divided to carry out high temperature pyrolysis.
It is connected to slagging channel 28 in the end of the tilted bed of material 22 of puddle 20, setting is useful in slagging channel
In the door 26 for closing and opening channel, also driving mechanism motor-driven is carried out for the closing of the door 26 and opening.Deslagging is logical
The exhaust outlet 23 for synthetic gas to be discharged is provided on the side wall in road.
A real example example according to the present invention, waste plasma processing system further include secondary reactor, and secondary reactor is used
Being converted into the gas synthesis gas secondary response that plasma furnace generates that will gasify can discharge gas.Secondary reactor includes
Container is provided with partition 33 in container, is provided with annular groove for collecting the water sprayed, the annular in the upper surface of partition
Groove is connected to the discharge outlet for being set to secondary response room side wall, and secondary response room is divided into air-flow upstream by the partition
Synthetic gas reaction chamber 30 and the washing room 40 in air-flow upstream again, then the container 31 of reaction chamber part are made of simultaneously mild steel
It is lined with and is properly isolated from/refractory material, the container 41 of washing room part is made of steel or resin material.33 center of partition is provided with
Exhaust pipe, exhaust pipe are connected to the air storage chamber of convex cap 34, and the lower part of convex cap 34 is radially equipped with multiple gas vents.Synthesis gas
Reaction chamber 30 includes container 31 and the air inlet 32 that is arranged on 31 side wall of container to body again, by air inlet to injecting in container 31
Comprising oxygen radical oxidant, so that synthesis gas is further adjusted, such as make any unreacted carbon and oxidant reaction and shape
At carbon monoxide, or make volatile metal components and oxidant reaction and formed metal oxide can discharge gas include nitrogen, oxygen,
Carbon dioxide and/or vapor.Washing room 40 includes container 41, and exhaust outlet, side wall position on the upper side are provided at the top of container
It installs and is equipped with water inlet 42, internal position on the upper side is provided with annular spray pipe (not shown), and water is injected to container 41
It is internal.When synthetic gas and oxidant after the secondary response again in synthetic gas again reaction chamber 30, generation can discharge gas, it is described can
Discharge gas is drained into washing room 40 by the exhaust outlet under convex cap 34, from bottom to top with the water phase that sprays from the top down
It meets, dust entrained by gas and water-soluble substance is taken to annular groove by water and are then discharged by discharge outlet.Completely
Can discharge gas get rid of most of moisture content through filter 50 and be discharged to extraneous or downsteam processing facilities.
Fig. 3 is the composition schematic diagram of lime-ash output mechanism provided by the invention, as shown in figure 3, Ash water mechanism includes
At least plate 131 and 134 is discharged in 2 layers of lime-ash, further includes broken delivery device 136, plate, which is discharged, in lime-ash has about center in radiation
Shape ash discharging hole, the axis overlapping of at least 2 layers lime-ash discharge plate, and the other layers of lime-ash row in addition to plate 131 is discharged in the 1st layer of lime-ash
Ejecting plate 134 is able to rotate different angles along axis 132 to close or open the 1st layer of lime-ash discharge plate ash discharging hole.
According to an embodiment, lime-ash output mechanism 13 further includes convex cap 133, and the convex cap 133 is arranged in gas-guide tube
1311 upper ends, convex cap 133 is interior to form air storage chamber, and the lower part of convex cap 133 is radially equipped with multiple air scoops, is incinerating ash
Slag is discharged plate 131 and is equipped with multiple air scoops, and air scoop bore is about 25~35mm.By being formed in the lower part of convex cap 133
Air scoop can prevent lime-ash from blocking air scoop, so that combustion-supporting gas be enable to fully provide for burning zone.
According to an embodiment, the broken delivery device 136 is set to the lower section of at least two layers lime-ash discharge plate, and being used for will
Lime-ash is broken, and broken delivery device includes the axis 135 that can be installed on pars infundibularis and the rotary body being arranged on axis 135, rotation
Body is provided with crushing teeth, and the inner wall of pars infundibularis 12 is provided with the crushing teeth 121 being meshed with the crushing teeth of rotary body.In rotary body
On be parallel to rotary shaft more body ribs be set, rib include at least the first face 137 being gradually increased with the angle of the surfaces of revolution, with the first face
It connects and second face 138 parallel with the surfaces of revolution of rotary body and is connect with the second face 137 and perpendicular to the surfaces of revolution of rotary body
Third face 139, be provided with crushing teeth on the second face 138.In rotary body rotation, lime-ash is pushed to funnel by the third face of rib
The cavity formed between the inner surface and rotary body in portion is arranged by the crushing teeth and pars infundibularis inner surface that are formed on the third face of rib
Crushing teeth be rolled into little particle, rotary body continue rotation when, the little particle lime-ash pulverized is pushed to puddle.
Fig. 4,5 and 6 are after plate and installation is discharged in first layer lime-ash discharge plate, the 2nd layer of lime-ash of lime-ash output mechanism respectively
Lime-ash discharge plate schematic diagram, as Figure 4-Figure 6, first layer lime-ash be discharged plate 131 have central axis 1312, annular stent
1313 and multiple ribs 1314 radially arranged for being connected to central axis and annular stent, it is formed about between multiple ribs
Radially ash discharging hole, the annular stent of first layer lime-ash discharge plate 131 are fixed on the side wall of pars infundibularis 12, internal shape to the heart
At air flow chamber, the air inlet for being connected to air flow chamber is provided on the side wall of pars infundibularis 12.131 upper surface of plate is discharged in first layer lime-ash
It is provided with the cylindrical air guide pipe 1311 for being connected to air flow chamber, the upper end of gas-guide tube is connected to the air storage chamber of convex cap 133.First
The center of layer lime-ash discharge 131 lower surface of plate is axially disposed rotary shaft 1312.Plate 134, which is discharged, in second layer lime-ash has axle sleeve
1341, annular stent 1342 and multiple ribs 1343 radially arranged for being connected to central axis and annular stent, it is multiple
About center, radially ash discharging hole, the strong outside of annular stent of the 2nd layer of lime-ash discharge plate 134 are set along axial direction for formation between rib
It is equipped with the tooth that can be engaged with driving mechanism.The axle sleeve is placed in the rotary shaft 1312 of first layer lime-ash discharge plate 131, and the 2nd
Layer lime-ash discharge plate can rotate set angle around rotary shaft 1312 under the action of the driving mechanism.In the present invention, in pars infundibularis 12
Side wall on correspond to first layer lime-ash discharge 131 position of plate be provided with air inlet, correspond to second layer lime-ash be discharged plate 134
Set it is circumferentially arranged have a notch, driving mechanism can be mechanically connected the 2nd layer of lime-ash discharge plate through notch, to drive second layer lime-ash
Plate 134 is discharged to rotate around rotary shaft 1312.
In the following, being illustrated to the work of plasma waste melting furnace.During operation starts, from input port 14 to
The waste put into 10 main body of preprocessing part, which deposits on the bottom of pars infundibularis, becomes compatibility layer on remaining ash bed z
U, to form the sedimentary at initial stage.In sedimentary in the early stage, the waste in compatibility layer u because being contacted with combustion air,
Just it burns since combustibles while consuming oxygen, and remains kindling material to form burning zone y together with firing-difficult matter.
Here, burning zone y is slowly in the case where making 0.2~0.8 times of the supply amount theoretical air requirement of combustion air
Ground is extended toward compatibility layer u, but the extension of burning zone y is stagnated with the exhausting for oxygen in combustion air.Burning zone y's
Extension one is stagnated, then the compatibility layer u on burning zone y is burned layer y heat in the state of there's almost no oxygen and dries, and promotes to discard
Object thermally decomposes and then forms carburization zone c.In addition, the incineration lime-ash of all burnt gradually deposits to ash bed z in burning zone y.That is,
In burning disposal, the case where making 0.2~0.8 times of supply amount theoretical air requirement of the combustion air supplied to sedimentary
Under, in sedimentary, " compatibility layer u ", " carburization zone c ", " burning zone y " and " ash bed z " are formed from top.
Since formation is essentially the carburization zone c of anaerobic gaseity between the compatibility layer u in sedimentary and burning zone y,
The phenomenon that so as to prevent the combustibles moment in compatibility layer u from burning, combustion state is made to tend towards stability.
It is most of to be comprised in waste directly from matching in addition, combustibles in compatibility layer u not instead of moment burns
5 layers of u enter carburization zone c, enter burning zone y from carburization zone c.Thus, it is possible to maintain the calory burning in burning zone y.
Further, in the carburization zone c, in the long period, waste R includes the high combustibles of calorific value in oxygen
It is dried in the air in the state of deficiency and carries out inhibition burning at high temperature, so the firing-difficult matter in the waste is fully thermal decomposited.Its
As a result, it is possible to promote the combustion even of waste, in addition the calory burning in burning zone y is maintained, so be finally discharged
The residual quantity for incinerating the unburning material in lime-ash is very small.
After deposited the incineration lime-ash more than a certain amount of on ash bed z, driving mechanism rotation the 2nd will pass through to n-th layer
Plate movement, which is discharged, in lime-ash makes the 1st to form lime-ash channel to the lime-ash discharge plate ash discharging hole of n-th layer, so that incineration lime-ash be made to be drained into
Puddle 20.Or crushing mechanism 136 is made to start to work, the lime-ash after keeping lime-ash broken and will be broken is pushed into puddle
On 20 bed of material 22.
The organic compounds such as gas, unreacted gas and the dioxins of high temperature generated by the burning of sedimentary
Thermal decomposition gas is discharged into gas-guide tube 26, and fixation particle entrained by above-mentioned gas deposits and imported into puddle again
20.On the other hand, the lime-ash for being pre-processed and being generated to waste is also transported to puddle 20, utilizes in molten puddle 20
Plasma jet melts lime-ash and fixed particle to be converted into synthetic gas and/or slag, and the slag is from puddle
Slagging channel 28 in be discharged, the organic compounds such as the synthetic gas, the gas of high temperature, unreacted gas and dioxins
The gases such as thermal decomposition gas two burners be directed to by exhaust outlet 23 carry out second-time burning.
Puddle 20 includes container 21, and the container 21 can locally or partly be constructed so that if a part taken
Under safeguarded, then other parts are positively retained at its position appropriate.Tilted-putted bed of material 22 is provided in container 21, from
The lime-ash that preprocessing part 10 is discharged into is placed on bed of material 22, container 21 from outside to inside successively include high heat resistance resistant to corrosion layer, absolutely
Edge layer, insulating layer and flame retardant coating.According to one embodiment, the inner wall of container 21 can be formed by several layers refractory composition,
It can also be made of mild steel with the isolation inner wall made of refractory material layer, which may include diamond dust or stone
Black brick, hydraulicity castable refractory, ceramic wafer, ceramic coating, close pressing plate and/or high heat resistance resistant to corrosion Pyrex block.
Temperature sensor and/or pressure sensor can be set in the container of puddle 20 to the temperature in container
And/or pressure is continuously or substantially continuously monitored to ensure the negative pressure in container within preset range.It can be by holding
One or more monitoring mouths are set on wall, so that the probe of temperature sensor and/or pressure sensor protrudes into container 21, with
Temperature and/or pressure are detected, temperature sensor and/or pressure sensor can be connected to believe the temperature detected with control system
Breath and pressure information send control system to, and the data control that control system is measured according to it is applied to plasma electrode to 25
Electrical power.
Vitreous or fusing waste from lime-ash can form slag such as glassy slag, collect under 21 side of container
In the slag bath of side.Slag can be drained into slag/metal alloy collection device by slag notch.Slag/metal alloy collects dress
Setting may include drag-out slag car.Drag-out slag car can may be water-cooling type for air cooled type.The slag of discharge can quench in water tank, cause to arrange
Slag out solidifies and is broken into lesser.Slag can stand leaching in the solid state.The solid slag removed from container 21
Can by conveyer belt or it is other be used for transmission device from slag/metal alloy collection device be transferred to hopper and it is recycling or
It removes.Slag also cocoa is discharged into other specially appointed building machinery devices, such as by being built in the mold of sand isolation with being formed
Build material.
Solid slag can be used for many business applications, such as road construction, aggregate, blast cleaning, glass fibre
And/or glass fibres material, solid slag can be harmless and can not need to fill.Furthermore it can form decoration ornamental slab for paving the floor
Or it is used in combination with construction material and combines Household building material to form lightweight.
Due to the low-oxygen environment in the container 21 of plasma melting part, some metal oxides being present in lime-ash can
It is reduced into its element form.The metal and metal alloy being present in waste material can also melt in a reservoir.After a period of time, can
A metal layer is gathered on inclined bed of material.Such as special metal of iron class may be not easy and the silicate that contains in slag bath
Reaction.Slag can absorb this some metal and metal oxide, but if there are a large amount of metals in waste, then metal can energy product
It is poly-.Molten metal can be discharged together with molten slag by slag notch, and be handled.
A real embodiment, waste gasification plasma processing method include at least according to the present invention: making high heating value wastes, auxiliary
Material is mixed by certain weight ratio, then supplies dry compatibility layer, the mixture in dry compatibility layer from top to bottom with from bottom to top
Smoke convection and the decomposable substance in mixture is pyrolyzed；The carburization zone of formation after pyrolysis flows into burning zone,
Burning zone, the residue through being carbonized are mixed and are burnt with the combustion-supporting gas from importing, and generated flue gas enters drying and matches
5 sections, the hot-engine sludge ash of remaining after combustion continues lower formation ash bed, ash bed remaining after combustion hot-engine sludge ash after
Continuous to move down, the heat of institute's band absorbs and makes air preheat by air, and residue is extruded under the action of crushing mechanism 136 and is broken into
100mm block below is drained into plasma melting part.
Into the lime-ash of puddle, to melt by the calcination of high-temperature plasma spray gun be molten state slurries, and molten state slurries are logical
It crosses melting partial discharge and harmless glassy state slag is stablized from formation in the chilling pond of puddle side is flowed by road 28.It is molten
Melt synthetic gas caused by part and is aoxidized again in secondary response room from the partial fume that preprocessing part is discharged
Reaction generates the gas that can discharge, can discharge gas washed in washing room and then generate clean gas, pass through again later
Filter removes extra moisture content and is discharged into the air.
Above in conjunction with attached drawing, the working principle of the invention is described in detail.But those skilled in the art should
Understand, specification is only for interpreting the claims.But protection scope of the present invention is not limited to specification.It is any to be familiar with
In the technical scope that the present invention discloses, the variation or replacement that can be readily occurred in should all be contained those skilled in the art
Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (10)
1. a kind of gasification plasma waste processing system, which is characterized in that it includes gasification plasma melting furnace and secondary response
Room, the gasification plasma waste melting furnace are used to treated waste being processed into slag and synthetic gas, the secondary response
Room, which is used to for synthetic gas being processed into, discharge gas and to be washed so that remove can entrained grit and can in discharge gas
It is dissolved in the substance of water；The plasma melting furnace that gasifies includes preprocessing part and puddle, and the preprocessing part includes cylinder
Portion, pars infundibularis and with Ash water mechanism, the top of the pars infundibularis is connected to cylindrical portion lower part to form preprocessing furnace main body,
The Ash water mechanism is set to the main intracorporal lower part of pretreatment；The feed inlet of the puddle is connected to preprocessing furnace master
The grey slag outlet of body lower part with using etc. from stream to lime-ash carry out melt process, which is characterized in that the Ash water mechanism
Including at least 2 layers of lime-ash discharge plates and broken delivery device, plate, which is discharged, in lime-ash has about center radially ash discharging hole, at least
The axis overlapping of 2 layers of lime-ash discharge plates, and the other layers of lime-ash discharge plate in addition to the 1st layer be able to rotate along axis it is different
For angle to close or open the 1st layer of lime-ash discharge plate ash discharging hole, the broken delivery device is set at least two layers of lime-ash discharge
The lower section of plate for lime-ash to be crushed, and is pushed into puddle.
2. gasification plasma waste processing system according to claim 1, which is characterized in that broken delivery device includes energy
It is enough installed on the axis of pars infundibularis and the rotary body being arranged on axis, rotary body is provided with crushing teeth, and the inner wall of pars infundibularis is provided with
Crushing teeth.
3. gasification plasma waste processing system according to claim 2, which is characterized in that be parallel to rotation on rotary body
Shaft is arranged more body ribs, rib include at least the first face being gradually increased with the angle of the surfaces of revolution, connect with the first face and with rotation
It the second parallel face of face and is connect with the second face and perpendicular to the third face of the surfaces of revolution, is provided with crushing teeth on the second face.
4. gasification plasma waste processing system according to claim 3, which is characterized in that the plasma smelting furnace melts
Melt and be provided with inclined bed of material in part, is placed on bed of material by the lime-ash that preprocessing part is input to puddle, with right
Lime-ash is melted.
5. gasification plasma waste processing system according to claim 4, which is characterized in that the work temperature of preprocessing part
Degree is between 450 degrees Celsius to 800 degrees Celsius；The operating temperature of puddle is between 1300 degrees Celsius to 1800 degrees Celsius.
6. gasification plasma waste processing system according to claim 5, which is characterized in that according to supply preprocessing part
Waste mean calorie and Weight control supply preprocessing part oxygen-supplying amount so that waste to be processed in preprocessing part
Interior formation ash bed, burning zone, carburization zone and compatibility layer.
7. gasification plasma waste processing system according to claim 6, which is characterized in that the smoke outlet of preprocessing part
Be connected to puddle so that puddle in flue gas can pyrolytic substance carry out pyrolytic.
8. gasification plasma waste processing system according to claim 7, which is characterized in that tilted in puddle
The end of bed of material is connected to slagging channel, and the door for closing and opening channel is provided in slagging channel.
9. gasification plasma waste processing system according to claim 8, which is characterized in that secondary response is provided in room
Secondary response room is divided into the reaction chamber again in air-flow upstream and the washing room in air-flow upstream by partition, the partition,
The upper surface of partition is provided with annular groove, and the annular groove is connected to the discharge outlet for being set to secondary response room side wall, every
Plate center is provided with exhaust pipe, and exhaust pipe is connected to the air storage chamber of convex cap, and the lower part of convex cap is radially equipped with multiple exhausts
Hole.
10. gasification plasma waste processing system according to claim 9, which is characterized in that injected in precursor reactant room again
Oxidant containing free radical is to carry out secondary response again with synthetic gas.
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| CN109855103A (en) * | 2019-01-31 | 2019-06-07 | 北京航天国环技术有限公司 | A kind of dangerous waste plasma handling system |
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| CN109945209A (en) * | 2019-01-31 | 2019-06-28 | 北京航天国环技术有限公司 | A kind of dangerous waste plasma processing method |
| CN110160055A (en) * | 2019-06-04 | 2019-08-23 | 深圳市龙吉顺实业发展有限公司 | A kind of plasma reactor processing garbage system |
| CN112628754A (en) * | 2020-12-16 | 2021-04-09 | 中广核研究院有限公司 | Waste gasification melting treatment system and waste gasification melting treatment method |
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