CN109404918A - Integrated waste pyrolysis gasification furnace - Google Patents
Integrated waste pyrolysis gasification furnace Download PDFInfo
- Publication number
- CN109404918A CN109404918A CN201811490301.1A CN201811490301A CN109404918A CN 109404918 A CN109404918 A CN 109404918A CN 201811490301 A CN201811490301 A CN 201811490301A CN 109404918 A CN109404918 A CN 109404918A
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- Prior art keywords
- fire grate
- gas
- vaporizer
- actively
- cap
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- 239000002699 waste material Substances 0.000 title claims abstract description 38
- 238000002309 gasification Methods 0.000 title claims abstract description 28
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 22
- 239000006200 vaporizer Substances 0.000 claims abstract description 46
- 230000004044 response Effects 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000003647 oxidation Effects 0.000 claims abstract description 5
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000010354 integration Effects 0.000 claims abstract 12
- 239000007789 gas Substances 0.000 claims description 50
- 238000005192 partition Methods 0.000 claims description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 15
- 238000002485 combustion reaction Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- 239000007800 oxidant agent Substances 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 2
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229960004424 carbon dioxide Drugs 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- -1 synthetic gas Chemical class 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- F23G5/002—Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
-
- 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
- F23G5/006—General arrangement of incineration plant, e.g. flow sheets
-
- 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
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- 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
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
- F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
-
- 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
- F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
- F23G5/26—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber having rotating bottom
-
- 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
- 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
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/303—Burning pyrogases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/105—Furnace arrangements with endless chain or travelling grate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
Abstract
A kind of integration waste pyrolysis gasification furnace, it includes shell, it is provided with the first separating device and the second separating device inside the shell, shell is separated into vaporizer, secondary response room and filter chamber by the first separating device and the second separating device, vaporizer is used to treated waste being processed into slag and synthetic gas, the secondary response room is used to carry out the gas being discharged oxidation processes in vaporizer, and filter chamber is washed the gas that secondary response room is discharged to remove grit and water-soluble substance entrained in gas；In the lower part of vaporizer, rotary fire grate is set；In filter chamber, inside turn is provided with sparge pipe, is provided with demister at gas outlet；At least provided with water jacket, water jacket is connected to the discharge outlet of filter chamber for the secondary response room and vaporizer.Integration waste pyrolysis gasification furnace occupied area provided by the invention is small, at low cost.
Description
Technical field
The present invention relates to integrated waste pyrolysis gasification furnaces, belong to waste processing arts.
Background technique
The Chinese utility model patent of Patent No. ZL2017203491659 discloses a kind of domestic garbage gasification burning system
System, including gasification furnace, dual firing chamber 5, heat-exchanger rig, remove acid tower 8, bag filter 9 and chimney 10, incinerator include one combustion
Room 3, the fuel gas that combustion room 3 pyrolysis generates enter dual firing chamber 5 by the gasification connecting pipe 4 at the top of furnace body, into two combustions
Combustible component mixing secondary air fan 17 in 5 flue gas of room supplies oxygen, and carries out oxygen-enriched high-temp combustion, and temperature is controlled 850 DEG C~1100
DEG C, gas residence time is greater than 2 seconds, guarantees fuel gas after-flame.The high-temperature flue gas of dual firing chamber's discharge passes through heat exchange connecting pipe
13 enter heat exchanger 6 and 12 fast cooling of waste heat boiler, guarantee that dioxin secondary will not generate, and change thermogenetic heat and carry out
It recycles.Thereafter flue gas enter remove acid tower 8, by spray lye mixing carry out flue gas deacidification, enter back into bag filter 9 into
Finally flue gas feeding chimney 10 is discharged by air-introduced machine 11 for row dedusting.
Gasification furnace, dual firing chamber 5, heat-exchanger rig in the system are set except acid tower 8, bag filter 9 and 10 fission of chimney
It sets, area occupied is big；By multiple lateral piping connections, it is easy incrustation, it is necessary to often cleaning, it is at high cost.
Summary of the invention
To overcome disadvantage existing in the prior art, goal of the invention of the invention is to provide a kind of integrated waste pyrolysis gas
Change furnace, processing waste is high-efficient, and occupied area is small, at low cost.
To realize that the goal of the invention, the present invention provide a kind of integrated waste pyrolysis gasification furnace comprising shell, it is special
Sign is, is provided with the first separating device and the second separating device inside the shell, and first separating device and second separate dress
It sets and shell is separated into vaporizer, secondary response room and filter chamber, vaporizer is used to treated waste being processed into slag and conjunction
At gas, the secondary response room is for carrying out oxidation processes for the gas that be discharged in vaporizer, and filter chamber is by secondary response room
The gas of discharge carries out washing or lye is washed to remove grit that can be entrained in discharge gas and water-soluble or react with alkali
Substance；In the lower part of vaporizer, rotary fire grate is set；In filter chamber, inside turn is provided with sparge pipe, is provided with and removes at gas outlet
Mist device；At least provided with water jacket, water jacket is connected to the discharge outlet of filter chamber for the secondary response room and vaporizer.
Preferably, the first separating device includes first partition, cylinder and baffle, is provided in the first partition for supplying
The through-hole that the flue gas of vaporizer passes through, cylinder are arranged on first partition upper surface and are centered around the periphery of through-hole, and baffle is set
It sets and is provided with smoke outlet on the upper end of cylinder, cylinder.
Preferably, the second separating device includes second partition and convex cap, and the upper surface of partition is provided with annular groove,
The annular groove is connected to water jacket；Second partition center is provided with exhaust pipe, and exhaust pipe is connected to the air storage chamber of convex cap, convex
The lower part of cap is radially equipped with multiple gas vents.
Preferably, the rotary fire grate includes cross brace, is provided with actively rotating forward fire grate, being provided with deslagging for mud hole
The driven rotating forward fire grate in hole, the reversion fire grate and driving mechanism for being provided with mud hole, the cross brace are used for rotary fire grate
It is fixed on vaporizer lower part, center is axially provided with hollow fixing axle along shell；Fixed the tip of the axis, which is provided with, has sky
The cone-shaped grates cap of chamber, fire grate cap lower part are radially equipped with multiple gas vents, and gas-guide tube is connected to through the cavity in fixing axle
The cavity of fire grate cap, and it is connected to the air supply source being arranged in outside furnace；It actively rotates forward fire grate and driven rotating forward fire grate is fixed on positive shaft
It puts on, rotates forward axle sleeve and actively cover in fixing axle；Reversion fire grate is fixed on reversing shaft and puts on, and reversion axle sleeve is actively covered just
Shaft is put on, and is arranged and is actively being rotated forward between fire grate and driven rotating forward fire grate；Driving mechanism drives actively rotate forward fire grate simultaneously
It is rotated forward with driven rotating forward fire grate around fixing axle, driver inversion fire grate is inverted around axle sleeve is rotated forward.
Preferably, the rotary fire grate includes cross brace, is provided with actively rotating forward fire grate, being provided with deslagging for mud hole
Multiple driven reversion fire grates and driving mechanism for rotating forward fire grate, being provided with mud hole in hole, the cross brace will be for that will rotate
Fire grate is fixed on vaporizer lower part, and center is axially provided with hollow fixing axle along shell；Fixed the tip of the axis is actively set
It sets in the lower end of the cone-shaped grates cap with cavity, fire grate cap lower part is radially equipped with multiple gas vents, and gas-guide tube is through fixation
Cavity in axis is connected to the cavity of fire grate cap, and is connected to the air supply source being arranged in outside furnace；Actively rotate forward fire grate, it is multiple it is driven just
Converter row and fire grate cap, which are fixed on, to be rotated forward on axle sleeve, is rotated forward axle sleeve and is actively covered in fixing axle；Reversion fire grate is fixed on reversion
On axle sleeve, reversion axle sleeve actively covers on rotating forward axle sleeve, and is arranged and is actively rotating forward between fire grate and driven rotating forward fire grate；It drives
Motivation structure drives simultaneously actively rotates forward fire grate, multiple driven rotating forward fire grates and fire grate cap around fixing axle rotating forward, driver inversion fire grate
It is inverted around axle sleeve is rotated forward.
Preferably, the radius at fire grate cap bottom, one or more it is driven rotate forward fire grate radius, invert fire grate radius according to
Secondary increase.
Preferably, the periphery of the periphery and reversion fire grate lower surface that actively rotate forward fire grate upper surface is respectively arranged with the first ring
Shape angular wheel and the second annular angular wheel, driving mechanism include at least motor, gear-box and bevel gear, bevel gear difference
It being engaged with first annular angular wheel and the second annular angular wheel, motor is connected on the axis of bevel gear by gear-box,
Motor obtains electric rotation and rotates through gear-box driving bevel gear, to drive, first annular angular wheel is rotated forward and the second annular is bored
The reversion of shape gear.
Preferably, fire grate cap bottom periphery, the driven fire grate periphery of rotating forward and reversion fire grate periphery are equipped with several teeth.
Preferably, demister includes one or more demisting unit, and each demisting unit included that coaxial alternating is set
The cartridge filter and cyclone set, the cartridge filter include inner barrel and outer barrel, and multiple through-holes, and edge are provided on the wall of the inner cylinder
The outer wall of inner cylinder is circumferentially provided with multiple the first drip rings tilted down, the inner wall of the outer cylinder is circumferentially arranged have it is multiple to
Under inclined second drip ring, the first drip ring and the second drip ring are staggered.
Preferably, the upper end of the cavity formed between the inner barrel and outer barrel is sealed by annular slab, and lower end is freely opened and is connected to
In filter chamber.
Compared with prior art, integrated waste pyrolysis gasification furnace provided by the invention has the following beneficial effects: processing
Waste is high-efficient, and occupied area is small, at low cost.
Detailed description of the invention
Fig. 1 is the composition schematic diagram for the domestic garbage gasification incineration system that the prior art provides；
Fig. 2 is the composition schematic diagram of integrated waste pyrolysis gasification furnace provided by the invention；
Fig. 3 is a kind of composition schematic diagram of rotary fire grate provided by the invention；
Fig. 4 is the composition schematic diagram of another rotary fire grate provided by the invention；
Fig. 5 is the driving circuit of motor provided by the invention.
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 is the composition schematic diagram of integrated waste pyrolysis gasification furnace provided by the invention, as shown in Fig. 2, the present invention one
The integrated waste pyrolysis gasification furnace that a embodiment provides includes shell 20, and the first separating device and the are provided in shell 20
Shell is separated into vaporizer 100, secondary response room 200 by two compartment device, first separating device and the second separating device
With filter chamber 300, vaporizer 110 is used to for treated waste being processed into slag and synthetic gas, and the secondary response room 200 is used
In the flue gas being discharged in vaporizer is carried out oxidation processes, by the flue gas packet being drained into vaporizer 100 in secondary response room 200
Include synthetic gas, pernicious gas and minute solid particles.After the flue gas that vaporizer 100 is discharged into aoxidizes in secondary response room 200,
Filter chamber 300 is entered by the second separating device.The substance that secondary response room 200 is discharged for filter chamber 300 carry out washing or
Lye is washed to remove the substance of grit and the reaction of water-soluble or institute's alkali entrained in gas；In the lower part of vaporizer 100
Rotary fire grate 110 is set, and 110 one side of rotary fire grate is evenly arranged the waste put into from feeding warehouse 101 in vaporizer, separately
On the one hand lime-ash is crushed and in the grey slag bucket that is drained into below vaporizer, is further discharged by lime-ash quarrel；In filter chamber
300 inside turns are provided with sparge pipe 301, and demister 400 is provided at gas outlet 302, by sparge pipe 301 to washing room
Spray water purification or aqueous slkali go out washing room to walkthrough by demister 400 to carry out washing or alkali cleaning to gas in 300
Major part moisture content contained in gas is removed；The secondary response room 200 and vaporizer 100 at least provided with inner casing 30,
Form gap between inner casing 30 and shell 20, by water flow to form water jacket in gap, between inner casing 30 and shell 20 between
Gap is connected to the discharge outlet of filter chamber 300, and is connected to the discharge outlet of furnace bottom.
According to an embodiment of the present invention, the first separating device includes first partition 201, cylinder 202 and baffle 203, institute
The periphery and inner casing 30 for stating first partition 201 are tightly connected, and the axial direction in first partition 201 along furnace is provided with for for vaporizer
The through-hole 204 that passes through of flue gas, cylinder 202 is arranged on 201 upper surface of first partition and is centered around the periphery of through-hole 204, keep off
The upper end of cylinder 202 is arranged in plate 203, is provided with outlet flue on cylinder 202, in the present invention, due to being provided with structure as above
First separating device carries out in vaporizer 100 again by bulky grain solid particulate blockage in vaporizer 100 in vaporizer 100
Processing, while the top of vaporizer 100 is arranged in secondary response room 200, does not need additional pipeline and is connected to, is not only reduced
Cost, and do not need often to clean the dirt deposited on pipeline.The top of first separating device is secondary response room 200,
Lower part be vaporizer 100, the side wall of vaporizer 100 is provided with feeding warehouse 101, by double roller charger by waste rub and from into
Feed bin 101 puts into vaporizer.The lower section of vaporizer 100 is provided with rotary fire grate 110, and blower 102 will be empty by rotary fire grate
Gas is injected into vaporizer 100, is provided with flow valve 103 and flowmeter 104, the flow in the pipeline of the injection air of blower 102
Valve 103 is used to control the flow of the air of supply vaporizer, and the flowmeter 104 is used to measure the flow of the hollow gas of pipeline.Root
According to one embodiment of the invention, the temperature sensor probe for monitoring temperature in vaporizer 100 is additionally provided in vaporizer
Pop one's head in for monitoring in vaporizer pressure sensor, the temperature of vaporizer 100 be normally controlled in 450 degrees Celsius it is Celsius to 800
Between degree.During operation starts, the waste put into from feeding warehouse 101 into gas chamber 100 deposits to rotary fire grate 110
Become compatibility layer on upper remaining ash bed, to form the sedimentary at initial stage.In sedimentary in the early stage, in compatibility layer
Waste just burns since combustibles while consuming oxygen because contacting with combustion air, and by kindling material and firing-difficult matter
It remains to form burning zone together.Here, making 0.2~0.8 times of feelings of the supply amount theoretical air requirement of combustion air
Under condition, burning zone at leisure toward compatibility layer extend, but the extension of the burning zone with the exhausting for oxygen in combustion air and
It stagnates.The extension one of burning zone is stagnated, then the compatibility layer on burning zone is burned layer heat in the state of there's almost no oxygen
It dries, promotes castoff heat to decompose and then form carburization zone.In addition, the incineration lime-ash of all burnt gradually deposits to ash in burning zone
Slag blanket.That is, making the 0.2~0.8 of the supply amount theoretical air requirement of the combustion air supplied to sedimentary in burning disposal
In the case where times, in sedimentary, " compatibility layer ", " carburization zone ", " burning zone " and " ash bed " are formed from top.Due to
Compatibility layer in sedimentary and between burning zone formed be essentially anaerobic gaseity carburization zone, so as to prevent compatibility layer
In combustibles moment burning the phenomenon that, so that combustion state is tended towards stability.
It is most of to be comprised in waste directly from matching in addition, combustibles in compatibility layer not instead of moment burns
5 layers enter carburization zone, enter burning zone from carburization zone.Thus, it is possible to maintain the calory burning in burning zone.Further, in institute
It states in carburization zone, in the long period, waste includes that the high combustibles of calorific value are dried in the air under oxygen-deficient state in height
Inhibition burning is carried out under temperature, so the firing-difficult matter in the waste is fully thermal decomposited.As a result, it is possible to promote waste
Combustion even, in addition the calory burning in burning zone is maintained, so what is be finally discharged incinerates the residual of the unburning material in lime-ash
Allowance is very small.After deposited the incineration lime-ash more than a certain amount of on ash bed, it will pass through rotary fire grate 110 and be rejected to funnel
Portion is further discharged to outside furnace by the ash discharging hole of pars infundibularis lower end.
According to an embodiment of the present invention, the second separating device include the second demarcation plate 301 and convex cap 302, second every
The periphery of plate 301 and inner casing 30 are tightly connected, and the upper surface of second partition 301 are provided with annular groove 303, the annular is recessed
Slot 303 is connected to the gap between inner casing 30 and shell 20；The diameter of 302 bottom surface of convex cap is interior slightly larger than annular groove 303
Diameter can so make the liquid under spray slip over convex cap 302 and flow directly in annular groove 303.Second demarcation plate, 301 center
It is provided with exhaust pipe 304, exhaust pipe 304 is connected to the air storage chamber 305 of convex cap, and the lower part of convex cap 302 is radially equipped with more
A gas vent 306.The top of second separating device is filter chamber 300, and lower part is secondary response room 200, and waste is in vaporizer 100
In be pyrolyzed the thermal decomposition gas of the organic compounds such as synthetic gas, unreacted gas and dioxins that gasification generates and pass through
Enter secondary response room 200 after first separating device and carries out secondary oxidation or burning.Oxidant is passed through secondary response by air pump 205
The air inlet of 200 side wall of room is drained into secondary response room 200, is arranged in the access that oxidant is imported into secondary response room
There are flow valve 206 and flowmeter 207, flow valve 206 is used to control the flow of the oxidant of supplying secondary reaction chamber 200, flow
Meter 207 for monitor for oxidant flow.According to an embodiment of the present invention, it is additionally provided with and is used in secondary response room
It monitors the temperature sensor probe of gasification room temperature and pops one's head in for monitoring pressure sensor in vaporizer, secondary response room
Temperature is normally controlled between 700 degrees Celsius to 1000 degrees Celsius.In secondary response room 200, synthetic gas, solia particle etc.
Include dust and sour gas in the gas generated with oxidant reaction, for example, make any unreacted carbon and oxidant reaction and
Carbon monoxide is formed, or makes volatile metal components and oxidant reaction and forms metal oxide, gas includes nitrogen, oxygen, two
Carbonoxide and/or vapor, the gas enter filter chamber by the second separating device.
The top of second separating device is filter chamber 300, and the top of filter chamber 300 is provided with exhaust outlet, and side wall is on the upper side
Position is provided with water inlet, and water pump 307 is by the aqueous solution of clean water or alkaline reagent by there is annular spray pipe 310 by water
Or aqueous solution is injected to inside filter chamber 300.Synthetic gas etc. and oxidant are raw after secondary response again in secondary response room 200
At gas washing room 300 is drained by the exhaust outlet under convex cap 302, from bottom to top with the water sprayed from the top down or
Person's aqueous slkali meets, and dust entrained by gas and water-soluble substance or the substance that can be reacted with alkali are taken to by water
Annular groove 303 is then flowed into the gap formed between shell 20 and inner casing 30, and is discharged from the discharge outlet of furnace bottom.Gas
Dust and water-soluble or lye substance are got rid of through washing and is flowed into exhaust outlet, and exhaust ports are provided with demister
400, demister by the moisture content removal in gas switch to it is clean and relatively dry can discharge gas and be discharged to the external world or
Downsteam processing facilities.In the present invention, shell 20 and inner casing 30 are made of and are lined with mild steel and be properly isolated from/refractory material.First
Separating device and the second separating device, which are made of and are coated with mild steel, is properly isolated from/refractory material.
According to an embodiment of the present invention, demister 400 includes one or more demisting unit being arranged in parallel, often
The cartridge filter 402 and cyclone 401 that a demisting unit is coaxially arranged alternately excessively, the cartridge filter 402 include inner barrel and outer barrel, institute
It states and is provided with multiple through-holes on the wall of inner cylinder, and be circumferentially provided with multiple the first drip rings tilted down along the outer wall of inner cylinder,
The inner wall of the outer cylinder is circumferentially arranged multiple the second drip rings tilted down, and the first drip ring and the second drip ring interlock
Setting, and form water stream channel.Preferably, the upper end of the cavity formed between the inner barrel and outer barrel is sealed by annular slab, under
It freely opens and is connected to filter chamber 300 in end.In the present invention, demisting is flowed by the processed gas in filter chamber 300 from bottom to top
Device, by 401 eddy flow of cyclone, flue gas forms spinning updraft in cyclone 401, makes the drop centrifugal force in gas
Increase, drop is moved to 402 barrel direction of cartridge filter under the influence of centrifugal force, and then gas passes through filter cylinder 402, most of liquid
Drop can reach cartridge filter 402 under the influence of centrifugal force, enter the space between inner cylinder and outer cylinder by 402 barrel of cartridge filter,
Successively formed between the upper surface of the first drip ring, the upper surface of the second drip ring, the first drip ring and the second drip ring
Gap of the gap between inner barrel and outer barrel is to flowing down, to achieve the effect that reduce demister outlet droplet concentration, together
When reduce the loss of water, also avoid the secondary pollution that the harmful substance in drop causes air.
In the present invention, on the one hand rotator plays the removal of major part moisture content contained in the gas that will be discharged, separately
On the one hand guarantee that whole system is in negative pressure state and so more saves into save air-introduced machine in the prior art
This.
Fig. 3 is a kind of composition schematic diagram of rotary fire grate provided by the invention, as shown in figure 3, the rotary fire grate includes
Cross brace 111, the driven rotating forward fire grate 113 for actively rotating forward fire grate 112, being provided with mud hole for being provided with mud hole, setting
There are the reversion fire grate 114 and driving mechanism 115 of mud hole, 111 center of cross brace is axially provided with hollow along shell
Fixing axle 116；The end of fixing axle 116 is provided with the cone-shaped grates cap 117 with cavity, and lower part is radially set under fire grate cap
There are multiple gas vents, cavity of the gas-guide tube 118 through the cavity connection fire grate cap 117 in fixing axle 116, and passes through gas-guide tube 118
It is connected to air supply source；It actively rotates forward fire grate 112 and driven rotating forward fire grate 113 is fixed on and rotates forward on axle sleeve 119, rotate forward axle sleeve 119
It actively covers in fixing axle 116；Reversion fire grate 114 is fixed on reversion axle sleeve 120, and reversion axle sleeve 120 is actively covered just
On shaft set 119, and it is arranged and is actively rotating forward between fire grate 112 and driven rotating forward fire grate 113；Driving mechanism 115 drives simultaneously
It actively rotates forward fire grate 112 and driven rotating forward fire grate 113 to rotate forward around fixing axle 116, driver inversion fire grate 114 is anti-around axle sleeve is rotated forward
Turn.Preferably, 117 bottom periphery of fire grate cap, multiple driven fire grate periphery and reversion fire grate peripheries of rotating forward are equipped with several teeth,
The radius at 117 bottom of fire grate cap, the driven radius for rotating forward fire grate 113, the radius for inverting fire grate 114 are sequentially increased, and between them
Fixed spacing is set.Preferably, the periphery of 112 upper surface of fire grate and the periphery point of reversion 114 lower surface of fire grate are actively rotated forward
Be not provided with first annular angular wheel and the second annular angular wheel, driving mechanism 115 include at least motor, gear-box and
Bevel gear, bevel gear engage with first annular angular wheel and the second annular angular wheel respectively, and motor is connected by gear-box
It is connected on the axis of bevel gear, motor obtains electric rotation and rotates through gear-box driving bevel gear, to drive first annular conical tooth
Wheel rotates forward and the second annular angular wheel reversion, further makes actively to rotate forward fire grate 112 and driven rotating forward fire grate 113 around fixing axle
116 rotate forward, and driver inversion fire grate 114 is inverted around axle sleeve is rotated forward.Preferably, 117 bottom periphery of fire grate cap, the driven fire grate of rotating forward
113 peripheries and reversion 114 periphery of fire grate are equipped with several teeth.In the present invention, since fire grate cap 117 being fixed on bracket,
Gas source, again through the cavity in fixing axle 116, is finally discharged from the gas vent of the lower part of fire grate cap 117, so by gas-guide tube
Structure will not only be such that airflow channel is blocked by lime-ash, while fire grate cap 117 gives one support force of sedimentary, make actively to rotate forward
Fire grate 112, driven rotating forward fire grate 113 and the reversion rotation of fire grate 114 are more easier, so as to reduce the power of driving motor.
The driven bottom formation shearing force for rotating forward fire grate 113 and fire grate cap 117 is clinker to be crushed, driven 113 He of rotating forward fire grate
It inverts fire grate 114 and forms shearing force so that clinker to be crushed.
Fig. 4 is the composition schematic diagram of another rotary fire grate provided by the invention, rotary fire grate shown in Fig. 4 and Fig. 3 institute
The rotary fire grate composition shown is essentially identical, the only difference is that, rotary fire grate shown in Fig. 4 includes multiple driven rotating forward fire grates,
Such as driven rotatings forward fire grate 113 and driven rotating forward fire grate 121, they are fixedly connected on rotating forward axle sleeve 116, and fire grate cap 117
Lower end be also fixedly connected on rotate forward axle sleeve 116 on, the lower end plane centre of fire grate cap 117 is provided with circular through hole, through-hole
In be provided with bearing, the end setting of fixing axle 116 is within the bearing.Such structure, motor are connected to cone tooth by gear-box
On the axis of wheel, motor obtains electric rotation and rotates through gear-box driving bevel gear, thus drive first annular angular wheel rotate forward and
Second annular angular wheel reversion, further makes actively to rotate forward fire grate 112, multiple driven rotating forward fire grates and fire grate cap 117 around solid
Dead axle 116 rotates forward, and driver inversion fire grate 114 is inverted around axle sleeve 119 is rotated forward.It is multiple to rotate forward driven fire grate periphery in the embodiment
Several teeth, the radius of fire grate cap bottom, multiple radiuses for rotating forward driven fire grate and reversion furnace are equipped with reversion fire grate periphery
The radius of row successively increases, and constant spacing is arranged to each other.
Rotary fire grate provided by the invention can make the material shape entered from feeding warehouse 301 in the case where furnace body does not rotate
The phenomenon that uniform sedimentary avoids in furnace waste and accumulates, temperature fluctuation, but also residue coking shows at the grit of bulk
As reducing, further makes work more stable, accelerate pyrolytic gasification speed, improve efficiency.
According to an embodiment of the present invention, the motor in the driving mechanism for driving rotary fire grate includes at least stator
And rotor, at least there are on the stator three windings, preferably five, driven using asymmetric driving circuit.
Fig. 5 is the driving circuit of motor provided by the invention, as shown in figure 5, driving circuit by motor circumferentially according to
Five ring formation windings L1, L2, L3, L4 and L5 of secondary arrangement are divided into not reciprocity two groups, main channel and from channel.The main channel
Including three coil windings L1, L3 and L5 interconnected, driving circuit include the first to the 8th electric switch K1, K2, K3, K4,
K5, K6, K7 and K8, every two electric switch are connected in series and are connected to two output ends of the first power supply VCC1, wherein first coil around
The first end of group L1 is connected to the intermediate node that the first electric switch K1 and the second electric switch K2 are connected in series, and second end is connected to third
The first end of coil windings L3；The first end of tertiary coil winding L3 is connected to third electric switch K3 and the 4th electric switch K4 phase is gone here and there
The intermediate node of connection, second end are connected to the first end of the 5th coil windings L5；The first end of 5th coil windings L5 is connected to
The intermediate node that 5th electric switch K5 and the 6th electric switch K6 are connected in series, second end are connected to the 7th electric switch K7 and the 8th and establish by cable
Close the intermediate node that is connected in series of K8, the control terminal of first to the 8th electric switch K1, K2, K3, K4, K5, K6, K7 and K8 is connected to the
One phase driving circuit (not showing in Fig. 5), to control the on-off of each electric-controlled switch, with by the first to the 8th electric-controlled switch by the
The DC voltage that one power supply VCC1 is exported is converted to alternating voltage and is supplied to coil windings L1, L3 and L5.Include from channel
Two coil windings L2 and L4 interconnected, driving circuit further include the 9th to the 14th electric switch K9, K10, K11, K12,
K13 and K14, every two electric switch are connected in series and are connected to two output ends of second source VCC2, wherein second coil winding L2
First end be connected to the intermediate node that the 9th electric switch K9 and the tenth electric switch K10 are connected in series, second end is connected to the 4th line
Enclose the first end of winding L4；The first end of 4th coil windings L4 is connected to the 11st electric switch K11 and the 12nd electric switch K12
The intermediate node being connected in series, second end are connected to the middle node that the 13rd electric switch K13 and the 14th electric switch K14 are connected in series
Point.The control terminal of 9th to the 14th electric switch K9, K10, K11, K12, K13 and K14 is connected to second phase driving circuit (Fig. 5
In do not show), to control the on-off of each electric-controlled switch, with by the 9th to the 14th electric-controlled switch that second source VCC2 institute is defeated
DC voltage out is converted to alternating voltage and is supplied to coil windings L2 and L4.
Motor drive circuit provided by the invention, even if some power supply, electric switch or coil windings failure, Qi Ta electricity
Under source, electric switch, coil windings reference performance, motor can be worked normally, and so improve the fault-tolerant energy of its work
Power improves reliability.
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 integration waste pyrolysis gasification furnace comprising shell, which is characterized in that be provided with the first separation dress inside the shell
It sets and shell is separated into vaporizer, secondary response room with the second separating device, first separating device and the second separating device
And filter chamber, vaporizer are used to for treated waste being processed into slag and synthetic gas, the secondary response room will be for that will gasify
The gas being discharged in room carries out oxidation processes, and the gas that secondary response room is discharged is carried out washing for filter chamber or lye is washed to remove
Entrained grit and substance that is water-soluble or being reacted with alkali in gas；In the lower part of vaporizer, rotary fire grate is set；?
Filter chamber's inside turn is provided with sparge pipe, is provided with demister at gas outlet；The secondary response room and vaporizer are at least set
It is equipped with water jacket, water jacket is connected to the discharge outlet of filter chamber.
2. integration waste pyrolysis gasification furnace according to claim 1, which is characterized in that the first separating device includes first
Partition, cylinder and baffle, are provided with the through-hole passed through for the flue gas for vaporizer in the first partition, cylinder setting
On first partition upper surface and it is centered around the periphery of through-hole, baffle plate setting is provided with smoke outlet on the upper end of cylinder, cylinder.
3. integration waste pyrolysis gasification furnace according to claim 1, which is characterized in that the second separating device includes second
Partition and convex cap are provided with annular groove in the upper surface of partition, and the annular groove is connected to water jacket；Second partition center
It is provided with exhaust pipe, exhaust pipe is connected to the air storage chamber of convex cap, and the lower part of convex cap is radially equipped with multiple gas vents.
4. integration waste pyrolysis gasification furnace according to claim 1, which is characterized in that the rotary fire grate includes cross
Bracket, the driven rotating forward fire grate for actively rotating forward fire grate, being provided with mud hole for being provided with mud hole, the reversion for being provided with mud hole
Fire grate and driving mechanism, the cross brace are used to for rotary fire grate being fixed on vaporizer lower part, and center is axially set along shell
It is equipped with hollow fixing axle；Fixed the tip of the axis is provided with the cone-shaped grates cap with cavity, and fire grate cap lower part is radially set
There are multiple gas vents, gas-guide tube is connected to the cavity of fire grate cap through the cavity in fixing axle, and is connected to the gas supply being arranged in outside furnace
Source；It actively rotates forward fire grate and driven rotating forward fire grate is fixed on and rotates forward on axle sleeve, rotate forward axle sleeve and actively cover in fixing axle；Reversion
Fire grate is fixed on reversing shaft and puts on, and reversion axle sleeve actively covers on rotating forward axle sleeve, and is arranged and is actively rotating forward fire grate and driven
It rotates forward between fire grate；Driving mechanism drives simultaneously actively rotates forward fire grate and driven rotating forward fire grate around fixing axle rotating forward, driver inversion
Fire grate is inverted around axle sleeve is rotated forward.
5. integration waste pyrolysis gasification furnace according to claim 1, which is characterized in that the rotary fire grate includes cross
Bracket, is provided with mud hole at the multiple driven rotating forward fire grates for actively rotating forward fire grate, being provided with mud hole for being provided with mud hole
Fire grate and driving mechanism are inverted, the cross brace is used to for rotary fire grate being fixed on vaporizer lower part, and center is along enclosure axis
To being provided with hollow fixing axle；Fixed the tip of the axis is movably arranged as the lower end with the cone-shaped grates cap of cavity, fire grate
Cap lower part is radially equipped with multiple gas vents；Gas-guide tube is connected to the cavity of fire grate cap through the cavity in fixing axle, and is connected to
Air supply source outside furnace is set；It actively rotates forward fire grate, multiple driven rotating forward fire grates and fire grate cap to be fixed on rotating forward axle sleeve, rotate forward
Axle sleeve actively covers in fixing axle；Reversion fire grate is fixed on reversing shaft and puts on, and reversion axle sleeve actively covers on rotating forward axle sleeve,
And it is arranged and is actively rotating forward between fire grate and driven rotating forward fire grate；Driving mechanism drives actively rotate forward fire grate, multiple driven simultaneously
It rotates forward fire grate and fire grate cap to rotate forward around fixing axle, driver inversion fire grate is inverted around axle sleeve is rotated forward.
6. integration waste pyrolysis gasification furnace according to claim 4 or 5, which is characterized in that the radius at fire grate cap bottom, one
A or multiple driven radiuses for rotating forward fire grate, the radius for inverting fire grate are sequentially increased.
7. integration waste pyrolysis gasification furnace according to claim 6, which is characterized in that actively rotate forward fire grate upper surface
The periphery of periphery and reversion fire grate lower surface is respectively arranged with first annular angular wheel and the second annular angular wheel, driving machine
Structure includes at least motor, gear-box and bevel gear, bevel gear respectively with first annular angular wheel and the second annular conical tooth
Wheel engagement, motor are connected on the axis of bevel gear by gear-box, and motor obtains electric rotation and revolves through gear-box driving bevel gear
Turn, to drive, first annular angular wheel is rotated forward and the second annular angular wheel inverts.
8. integration waste pyrolysis gasification furnace according to claim 7, which is characterized in that fire grate cap bottom periphery rotates forward
Driven fire grate periphery and reversion fire grate periphery are equipped with several teeth.
9. integration waste pyrolysis gasification furnace according to claim 1, which is characterized in that demister include one or
Multiple demisting units, each demisting unit included the cartridge filter and cyclone being coaxially arranged alternately, and the cartridge filter includes interior
Cylinder and outer cylinder, be provided with multiple through-holes on the wall of the inner cylinder, and is circumferentially provided with multiple tilt down along the outer wall of inner cylinder
First drip ring, the inner wall of the outer cylinder is circumferentially arranged multiple the second drip rings tilted down, the first drip ring and
Two drip rings are staggered.
10. integration waste pyrolysis gasification furnace according to claim 9, which is characterized in that between the inner barrel and outer barrel
The upper end of the cavity of formation is sealed by annular slab, and lower end freely opens and is connected to filter chamber.
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| CN201811490301.1A CN109404918B (en) | 2018-12-06 | 2018-12-06 | Integrated waste pyrolysis gasification furnace |
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| CN201811490301.1A CN109404918B (en) | 2018-12-06 | 2018-12-06 | Integrated waste pyrolysis gasification furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN109899804A (en) * | 2019-04-02 | 2019-06-18 | 上海多灵环保工程设备有限公司 | A kind of waste incinerator with banking combustion function |
| CN110671706A (en) * | 2019-10-22 | 2020-01-10 | 梅丽中 | Direct-current dust removal garbage incinerator |
| FR3101395A1 (en) * | 2019-10-01 | 2021-04-02 | Mini Green Power | Gasification and / or combustion system equipping a gasification and / or combustion installation |
| CN113390082A (en) * | 2021-05-31 | 2021-09-14 | 上海海琦环保科技有限公司 | Fixed bed continuous upper air suction furnace for waste treatment |
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| CN109404918B (en) | 2023-10-31 |
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