CN114165790B - Pyrolysis gasification furnace for bidirectional oxygen supply at bottom of plateau by baffling - Google Patents
Pyrolysis gasification furnace for bidirectional oxygen supply at bottom of plateau by baffling Download PDFInfo
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- CN114165790B CN114165790B CN202111413084.8A CN202111413084A CN114165790B CN 114165790 B CN114165790 B CN 114165790B CN 202111413084 A CN202111413084 A CN 202111413084A CN 114165790 B CN114165790 B CN 114165790B
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- oxygen supply
- furnace body
- oxygen
- air outlet
- gasification furnace
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- 239000001301 oxygen Substances 0.000 title claims abstract description 192
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 192
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 238000002309 gasification Methods 0.000 title claims abstract description 60
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 37
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 31
- 239000002893 slag Substances 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 abstract description 25
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F23G5/02—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
- F23G5/02—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
- 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
-
- 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
- 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
- F23G2201/00—Pretreatment
- F23G2201/80—Shredding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau, which comprises a gasification furnace body and an oxygen supply assembly, wherein the oxygen supply assembly is arranged in the gasification furnace body and comprises a rotary oxygen supply block, an oxygen supply shell and an oxygen supply pipeline, a rotary cavity with an opening at the top is arranged in the oxygen supply shell, the rotary oxygen supply block is rotatably arranged in the rotary cavity, and one end of the oxygen supply pipeline is connected with the bottom of the oxygen supply shell; the rotary oxygen supply block is in a hexagonal prism shape and comprises a straight air outlet side plate, a left air outlet side plate, a right air outlet side plate and three straight air inlet side plates, wherein the two straight air inlet side plates are respectively connected with two ends of the straight air outlet side plate, and the other straight air inlet side plate is positioned on the opposite side of the straight air outlet side plate. Oxygen is introduced into the gasification furnace body in different directions through the rotary oxygen supply block, so that the oxygen is widely distributed in the gasification furnace body, the distribution range of the oxygen is improved, the secondary combustion garbage is fully contacted with the oxygen, the secondary combustion is more sufficient, and the pyrolysis gasification quality is improved.
Description
Technical Field
The invention relates to the technical field of pyrolysis gasifiers, in particular to a pyrolysis gasifier with a bottom baffling type bidirectional oxygen supply for a plateau.
Background
At present, the number of urban household garbage is increased day by day, how to effectively treat the household garbage is urgent, and the more common treatment modes include landfill and incineration, but the filled treatment area is large, the seepage liquid generated by improper treatment not only causes serious pollution to soil and underground water, but also causes pollution to air due to odor generated by fermentation; the adoption of the incineration method reduces the occupied area, but a large amount of malodor and even toxic gas can be released in the incineration process, and a large amount of dust and fine particles are generated at the same time, so that the environment is damaged. At present, the treatment mode is pyrolysis gasification, and the pyrolysis gasification furnace is mainly used for pyrolysis gasification of combustible household garbage, so that the pyrolysis gasification has the advantages of high harmless conversion rate, small secondary pollution and the like compared with landfill and incineration, wherein the pyrolysis method comprises a direct heating method and an indirect heating method, and the direct heating method is as follows: the heat supplied to the pyrolyzed objects is the heat generated when the pyrolyzed objects (the treated wastes) are partially combusted directly or the supplementary fuel is provided for the pyrolysis gasification furnace, and because the combustion needs to provide oxygen for supporting combustion, air, oxygen enrichment or pure oxygen is firstly adopted for supporting combustion, but in a plateau area, the oxygen content is low, and household garbage is directly put into the pyrolysis gasification furnace for combustion, so that insufficient combustion results are easily caused, and the pyrolysis gasification quality is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a pyrolysis gasification furnace with two-way oxygen supply at the bottom of a plateau, wherein oxygen is introduced into the gasification furnace body in different directions through a rotary oxygen supply block, so that the oxygen is widely distributed in the gasification furnace body, the distribution range of the oxygen is improved, the secondary combustion garbage is fully contacted with the oxygen, the secondary combustion is more sufficient, and the pyrolysis gasification quality is improved.
The aim of the invention is realized by the following technical scheme: the pyrolysis gasification furnace comprises a gasification furnace body and an oxygen supply assembly, wherein the oxygen supply assembly is arranged in the gasification furnace body, the oxygen supply assembly comprises a rotary oxygen supply block, an oxygen supply shell and an oxygen supply pipeline, a rotary cavity with an open top is formed in the oxygen supply shell, the rotary oxygen supply block is rotatably arranged in the rotary cavity, the oxygen supply pipeline is fixedly arranged on the gasification furnace body in a penetrating manner, one end of the oxygen supply pipeline is connected with the bottom of the oxygen supply shell, and the oxygen supply pipeline is communicated with the rotary cavity;
The shape of rotatory oxygen suppliment piece is the hexagonal prism, the both ends of rotatory oxygen suppliment piece all with the oxygen supply casing rotates to be connected, be equipped with in the rotatory oxygen suppliment piece and turn to the cavity, rotatory oxygen suppliment piece includes straight air-out curb plate, left air-out curb plate, right air-out curb plate and three straight air inlet curb plate, straight air-out curb plate, left air-out curb plate, right air-out curb plate and three straight air inlet curb plate are connected and are formed the lateral wall of rotatory oxygen suppliment piece, wherein two straight air inlet curb plate is connected respectively the both ends of straight air-out curb plate, another straight air inlet curb plate is located the offside of straight air-out curb plate, a plurality of straight air-out holes have been seted up on the straight air-out curb plate, a plurality of left oblique air-out holes have been seted up on the left air-out curb plate, a plurality of right oblique air-out holes have been seted up on the straight air-in curb plate, straight air-in hole, left oblique air-out hole, right air-out hole and straight air-in hole all with turn to the cavity communicates with each other.
Further, the gasifier furnace body is internal furnace body and outer furnace body, form the cooling cavity between interior furnace body and the outer furnace body, oxygen supply subassembly is located in the interior furnace body, be provided with drive arrangement in the cooling cavity, drive arrangement is used for the drive rotatory oxygen supply piece rotates.
Further, the drive arrangement includes the drive shaft, the both ends of rotatory oxygen suppliment piece all are fixed with the rotation axis, the rotation axis pass through the bearing with the oxygen supply casing rotates to be connected, one of them the one end of rotation axis extends to in the cooling cavity and is provided with the gear, the outside of gasifier furnace body is provided with the motor, the drive shaft pass through the bearing with outer furnace body rotates to be connected, the one end of drive shaft is provided with clearance gear, clearance gear with gear engagement, the other end of drive shaft pass through the shaft coupling with the output shaft of motor.
Further, a furnace bridge is arranged in the gasification furnace body and positioned below the oxygen supply shell, the furnace bridge comprises a furnace bridge frame and two groups of furnace bridge mechanisms, the furnace bridge frame is fixedly arranged on the inner wall of the gasification furnace body, the two groups of furnace bridge mechanisms are arranged on the furnace bridge frame at intervals, an oxygen supply gap for the oxygen supply pipeline to pass through is formed between the two groups of furnace bridge mechanisms, and the width of the oxygen supply gap is smaller than that of the oxygen supply shell.
Further, the furnace bridge mechanism comprises a plurality of first rotating shafts and a plurality of second rotating shafts, the first rotating shafts and the second rotating shafts are arranged in a staggered mode, the first rotating shafts and the second rotating shafts are connected with the furnace bridge in a rotating mode through bearings, the rotating direction of the first rotating shafts is opposite to the rotating direction of the second rotating shafts, a plurality of first blade mechanisms are arranged on the first rotating shafts at equal intervals along the axial direction of the first rotating shafts, a plurality of second blade mechanisms are arranged on the second rotating shafts at equal intervals along the axial direction of the second rotating shafts, and the first blade mechanisms and the second blade mechanisms are arranged in a staggered mode.
Further, first blade mechanism includes first fixed cover and first plate blade, first fixed cover is fixed to be overlapped and is established on the first rotation axis, first fixed cover is last to be fixed with a plurality of first plate blade, a plurality of first plate blade is circumference equipartition, second blade mechanism includes fixed cover of second and second plate blade, fixed cover of second is established on the second rotation axis, fixed cover of second is last to be fixed with a plurality of second plate blade, a plurality of second plate blade is circumference equipartition, be formed with between first plate blade and the adjacent second plate blade and leak the sediment clearance.
Further, one end of the first rotating shaft extends into the cooling cavity and is provided with a first gear, one end of the second rotating shaft extends into the cooling cavity and is provided with a second gear, the first gear is meshed with the second gear, and one end of the first rotating shaft extends out of the outer furnace body and is in transmission connection with a driving motor.
Further, the top intercommunication of gasifier furnace body has the outlet duct, the outlet duct intercommunication has the case of keeping in, the last intercommunication of case of keeping in has the blast pipe, be provided with the gas circuit check valve on the outlet duct, be provided with the ooff valve on the blast pipe.
Further, one end of the oxygen supply pipeline, which is far away from the oxygen supply shell, is connected with a fan.
Further, be provided with the charge-in pipeline on the gasifier furnace body, the discharge gate of charge-in pipeline communicates to the inside of interior furnace body, the discharge gate of charge-in pipeline is located between rotatory oxygen block and the bridge, the top of oxygen supply casing slides and is provided with the guide plate, the guide plate is the shape of falling "V".
The beneficial effects of the invention are as follows:
1. A pyrolysis gasifier that is used for two-way oxygen suppliment of bottom baffling of plateau, rubbish stack carries out the first burning on the bridge, the in-process of burning will produce insufficient burnt floater, the floater rises to the top of oxygen supply subassembly along with gas and carries out the afterburning, pass through pivoted rotatory oxygen block and let in oxygen in the gasifier furnace body with different directions, make oxygen widely distributed in the gasifier furnace body, improve the distribution range of oxygen, make the rubbish floater of afterburning fully contact with oxygen, make the afterburning more abundant, improve pyrolysis gasification quality.
2. The slag generated after garbage combustion pyrolysis is easy to harden on the furnace bridge, so that slag leakage gaps of the furnace bridge are blocked, normal discharge of the slag is affected, the slag is prevented from hardening on the furnace bridge through rotation of the first plate blade and the second plate blade, meanwhile, the rotation direction of the first plate blade and the second plate blade is opposite, large-block slag can be crushed, the crushed slag passes through the slag leakage gaps, and normal slag discharging functions of the furnace bridge are prevented from being affected by the slag leakage gaps.
Drawings
FIG. 1 is a perspective view of an oxygen supply assembly in a pyrolysis gasifier for bottom baffled bi-directional oxygen supply for a plateau in accordance with the present invention;
FIG. 2 is a perspective view of a rotary oxygen supply block in a pyrolysis gasifier for bottom baffled bidirectional oxygen supply for a plateau according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a rotary oxygen supply block in a pyrolysis gasifier for bi-directional oxygen supply at the bottom of a plateau according to the present invention;
FIG. 4 is a perspective view of a bridge in a pyrolysis gasifier for bi-directional oxygen supply in a bottom baffled type of a plateau in accordance with the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A;
FIG. 6 is a top view showing the internal structure of a pyrolysis gasifier for bi-directional oxygen supply at the bottom of a plateau according to the present invention;
FIG. 7 is a schematic view showing the internal structure of a pyrolysis gasifier for bi-directional oxygen supply at the bottom of a plateau according to the present invention;
in the figure, a 1-gasification furnace body, a 2-oxygen supply assembly, a 3-rotary oxygen supply block, a 4-oxygen supply shell, a 5-oxygen supply pipeline, a 6-rotary cavity, a 7-steering cavity, an 8-straight air outlet side plate, a 9-left air outlet side plate, a 10-right air outlet side plate, an 11-straight air inlet side plate, a 12-straight air outlet hole, a 13-left inclined air outlet hole, a 14-right inclined air outlet hole, a 15-straight air inlet hole, a 16-inner furnace body, a 17-outer furnace body, a 18-cooling cavity, a 19-driving shaft, a 20-rotating shaft, a 21-gear, a 22-motor, a 23-gap gear, a 24-furnace bridge, a 25-furnace bridge, a 26-furnace bridge mechanism, a 27-oxygen supply gap, a 28-first rotating shaft plate, a 29-second rotating shaft, a 30-first fixed sleeve, a 31-first plate blade, a 32-second fixed sleeve, a 33-second blade, a 34-first gear, a 35-second gear, a 36-driving motor, a 37-air outlet pipe, a 38-box, a 39-exhaust pipe, a 40-one-way valve, a 41-switch, a 43-air inlet fan and a 43-air path.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
The first embodiment is shown in fig. 1 to 3, and the pyrolysis gasification furnace for the bidirectional oxygen supply of the bottom baffling type of the plateau comprises a gasification furnace body 1 and an oxygen supply assembly 2, wherein the oxygen supply assembly 2 is arranged in the gasification furnace body 1, the oxygen supply assembly 2 comprises a rotary oxygen supply block 3, an oxygen supply shell 4 and an oxygen supply pipeline 5, a rotary cavity 6 with an opening at the top is arranged in the oxygen supply shell 4, the rotary oxygen supply block 3 is rotatably arranged in the rotary cavity 6, the oxygen supply pipeline 5 is fixedly arranged on the gasification furnace body 1 in a penetrating manner, one end of the oxygen supply pipeline 5 is connected with the bottom of the oxygen supply shell 4, and the oxygen supply pipeline 5 is communicated with the rotary cavity 6; the rotary oxygen supply block 3 is in a hexagonal prism shape, both ends of the rotary oxygen supply block 3 are rotationally connected with the oxygen supply shell 4, a steering cavity 7 is arranged in the rotary oxygen supply block 3, the rotary oxygen supply block 3 comprises six side plates, namely a straight air outlet side plate 8, a left air outlet side plate 9, a right air outlet side plate 10 and three straight air inlet side plates 11, the straight air outlet side plate 8, the left air outlet side plate 9, the right air outlet side plate 10 and the three straight air inlet side plates 11 are connected to form the side wall of the rotary oxygen supply block 3, wherein the two straight air inlet side plates 11 are respectively connected with both ends of the straight air outlet side plate 8, the other straight air inlet side plate 11 is positioned at the opposite side of the straight air outlet side plate 8, so that the opposite side plates of the straight air outlet side plate 8, the left air outlet side plate 9 and the right air outlet side plate 10 are the straight air inlet side plates 11, a plurality of straight air outlet holes 12 are formed on the straight air outlet side plate 8, the left air outlet side plate 9 is provided with a plurality of left inclined air outlet holes 13, namely the axis of the left inclined air outlet holes 13 is offset to a certain extent relative to the vertical direction (the height direction of the gasifier body 1), so that the axis of the left inclined air outlet holes 13 is arranged at an acute angle with the vertical direction, the right air outlet side plate 10 is provided with a plurality of right inclined air outlet holes 14, namely the axis of the right inclined air outlet holes 14 is offset to a certain extent relative to the vertical direction, so that the axis of the right inclined air outlet holes 14 is arranged at an acute angle with the vertical direction, the axis of the left inclined air outlet holes 13 and the axis of the right inclined air outlet holes 14 are symmetrically arranged relative to the vertical direction, the straight air inlet side plate 11 is provided with a plurality of straight air inlet holes 15, the axes of the straight air inlet holes 15 and the straight air outlet holes 12 are all parallel to the vertical direction, and the left inclined air outlet holes 13, the right inclined air outlet holes 14 and the straight air inlet holes 15 are all communicated with the steering cavity 7; the initial position of the rotary oxygen supply block 3 is as follows: any one of the straight air outlet side plates 8, the left air outlet side plate 9 and the right air outlet side plate 10 is positioned at the uppermost part relative to other side plates, the rotary oxygen supply block 3 rotates 120 degrees each time, so that the air outlet side plates 8, the left air outlet side plate 9 and the right air outlet side plate 10 alternately rotate to the upper parts of the other side plates, the three straight air inlet side plates 11 are always kept at the lowest part, the other two straight air inlet side plates 11 are positioned at the two sides, the rotary oxygen supply block 3 always keeps oxygen inlet in the vertical direction, then the air outlet direction of the rotary oxygen supply block 3 is changed through the straight air outlet holes 12, the left inclined air outlet holes 13 and the right inclined air outlet holes 14, and one end of the straight oxygen supply pipeline 5 far away from the oxygen supply shell 4 is connected with a fan 42; the specific oxygen supply process taking the case that the left air outlet side plate 9 is positioned at the uppermost part is as follows: the fan 42 is connected with an oxygen tank through a pipeline, oxygen enters the oxygen supply pipeline 5 at a certain pressure through the fan 42, oxygen is blown into the oxygen supply shell 4 through the oxygen supply pipeline 5, then oxygen enters the steering cavity 7 through the straight air inlet hole 15 at the bottom of the rotary oxygen supply block 3, finally oxygen is sprayed into the gasification furnace body 1 from the left inclined air outlet hole 13, the oxygen is sprayed into the gasification furnace body 1 at an inclined angle through the left inclined air outlet hole 13, then the rotary oxygen supply block 3 rotates 120 degrees to turn the straight air outlet side plate 8 to the uppermost side plate, at the moment, the oxygen is sprayed into the gasification furnace body 1 through the straight air outlet hole 12, the oxygen is sprayed into the gasification furnace body 1 in a direction parallel to the height direction of the gasification furnace body 1 through the straight air outlet hole 12, then the rotary oxygen supply block 3 rotates 120 degrees again to enable the right air outlet side plate 10 to rotate to the uppermost side plate, the oxygen is sprayed into the gasification furnace body 1 through the right inclined air outlet hole 14, the oxygen is sprayed into the gasification furnace body 1 at an inclined angle, the rotary oxygen block 3 rotates again to return to the initial position, and thus the rotary oxygen supply block 3 rotates to realize the circulation, the rotary oxygen block 3 in different directions to flow into the gasification furnace body in different directions, the combustion air is fully combusted, the garbage is fully combusted, and the garbage is fully gasified, and the quality is fully contacted with the garbage is fully combusted.
Further, as shown in fig. 6, a cooling cavity 18 is formed between the inner furnace body 16 and the outer furnace body 17 of the gasifier body 1, the oxygen supply assembly 2 is positioned in the inner furnace body 16, a driving device is arranged in the cooling cavity 18 and is used for driving the rotary oxygen supply block 3 to rotate, the driving device comprises a driving shaft 19, two ends of the rotary oxygen supply block 3 are both fixedly provided with rotating shafts 20, the rotating shafts 20 are rotationally connected with the oxygen supply shell 4 through bearings, one end of one rotating shaft 20 extends into the cooling cavity 18 and is provided with a gear 21, a motor 22 is arranged on the outer side of the gasifier body 1, the driving shaft 19 is rotationally connected with the outer furnace body 17 through bearings, one end of the driving shaft 19 is provided with a clearance gear 23, the clearance gear 23 is meshed with the gear 21, and the other end of the driving shaft 19 is connected with an output shaft of the motor 22 through a coupling; the working environment temperature of the clearance gear 23 and the gear 21 is reduced through the arrangement of the cooling cavity 18, so that larger transmission errors caused by overhigh working temperatures of the clearance gear 23 and the gear 21 are avoided; the motor 22 drives the driving shaft 19 to rotate, the driving shaft 19 drives the rotating shaft 20 to rotate through the meshing of the clearance gear 23 and the gear 21, the rotating shaft 20 drives the rotary oxygen supply block 3 to rotate, a gear clearance meshing mode is adopted, one end of the rotary oxygen supply block 3 is suspended for a certain time after rotating, then the rotary oxygen supply block 3 rotates, specifically, the clearance gear 23 is divided into a toothed area and a toothless area, when the toothed area of the clearance gear 23 meshes with the gear 23, the driving shaft 19 drives the rotating shaft 20 to rotate, and then drives the rotary oxygen supply block 3 to rotate, when the toothed area of the clearance gear 23 is separated from the gear 21, the clearance gear 23 cannot drive the gear 21 to rotate, the rotary oxygen supply block 3 stops rotating, at the moment, one side plate of the straight air outlet side plate 8, the left air outlet side plate 9 and the right air outlet side plate 10 is positioned at the uppermost side, in a time period when the rotary oxygen supply block 3 stops rotating, the rotary oxygen supply block 3 rotates through the straight air outlet hole 12, the left inclined air outlet hole 13 or the right inclined air outlet 14, when the toothed area of the clearance gear 23 is meshed with the gear 21 again, the rotary oxygen supply block 3 rotates again to change the angle, and the oxygen supply block 3 repeatedly ascends, so that the oxygen is circulated, the oxygen is enabled to surround the whole garbage in the gasification furnace, and the gasification efficiency is improved, and the garbage is gasified and the garbage is distributed in the whole.
In the second embodiment, as shown in fig. 4 and 5, a furnace bridge 24 is disposed in the gasifier body 1, the furnace bridge 24 is located below the oxygen supply housing 4, the furnace bridge 24 includes a furnace bridge 25 and two sets of furnace bridge mechanisms 26, the furnace bridge 25 is fixedly disposed on the inner wall of the gasifier body 1, the two sets of furnace bridge mechanisms 26 are disposed on the furnace bridge 25 at intervals, an oxygen supply gap 27 through which the oxygen supply pipe 5 passes is formed between the two sets of furnace bridge mechanisms 26, the width of the oxygen supply gap 27 is smaller than that of the oxygen supply housing 4, the furnace bridge mechanisms 26 include a plurality of first rotating shafts 28 and a plurality of second rotating shafts 29, the first rotating shafts 28 and the second rotating shafts 29 are disposed in a staggered manner, the first rotating shafts 28 and the second rotating shafts 29 are all connected with the furnace bridge 25 in a rotating manner through bearings, the rotating direction of the first rotating shafts 28 is opposite to the rotating direction of the second rotating shafts 29, a plurality of first blade mechanisms are arranged on the first rotating shaft 28 at equal intervals along the axial direction of the first rotating shaft, a plurality of second blade mechanisms are arranged on the second rotating shaft 29 at equal intervals along the axial direction of the second rotating shaft, the first blade mechanisms and the second blade mechanisms are arranged in a staggered way, the first blade mechanisms comprise a first fixed sleeve 30 and a first plate blade 31, the first fixed sleeve 30 is fixedly sleeved on the first rotating shaft 28, a plurality of first plate blades 31 are fixed on the first fixed sleeve 30, the plurality of first plate blades 31 are uniformly distributed circumferentially, the first rotating shaft 28 rotates to drive the first plate blades 31 to rotate, the second blade mechanisms comprise a second fixed sleeve 32 and a second plate blade 33, the second fixed sleeve 32 is fixedly sleeved on the second rotating shaft 29, a plurality of second plate blades 33 are fixedly sleeved on the second fixed sleeve 32, the plurality of second plate blades 33 are uniformly distributed circumferentially, a slag leakage gap is formed between the first plate blade 31 and the adjacent second plate blade 33; a feeding pipeline 43 is arranged on the gasification furnace body 1, a discharge hole of the feeding pipeline 43 is communicated to the inside of the inner furnace body 16, the discharge hole of the feeding pipeline 43 is positioned between the rotary oxygen supply block 3 and the furnace bridge 24, a guide plate 44 is arranged above the oxygen supply shell 4 in a sliding manner, and the guide plate 44 is in an inverted V shape; the garbage to be burnt is introduced to the furnace bridge 24 through the feeding pipeline 43, the guide plate 44 moves to the position right above the rotary feeding block 3, the rotary feeding block 3 is shielded through the guide plate 44, the garbage is prevented from falling on the rotary feeding block 3, the garbage on the guide plate 44 can be guided to fall on the furnace bridge 24 on two sides through the V-shaped guide plate 44, the bottom of the guide plate 44 is a plane, after the garbage feeding is finished, the guide plate 44 is moved away from the rotary feeding block 3, the guide plate 44 can be driven by the air cylinder to move, the air cylinder is arranged on the outer wall of the gasification furnace body 1, the gasification furnace body 1 is slidably provided with a high-temperature resistant push rod, one end of the push rod is connected with the guide plate 44, the other end of the push rod is connected with a telescopic shaft of the air cylinder, the garbage is burnt for the first time on the furnace bridge 24, more garbage particles which are not fully burnt are generated in the combustion process, and the garbage particles drift into the upper part of the oxygen supply assembly 2 along with gas, oxygen is blown into the furnace bridge 24 through the oxygen supply assembly 2 to support combustion, so that underburned garbage particles are subjected to secondary combustion, combustion efficiency is improved, slag generated by garbage combustion is discharged out of the gasification furnace body 1 through a slag leakage gap, slag is easy to harden and block the slag leakage gap on the furnace bridge 24, normal discharge of the slag is affected, the furnace bridge 24 is designed into a rotary blade, the slag leakage gap is formed between the first plate blades 31 and the second plate blades 33 which are mutually staggered, when the slag leakage gap is blocked, other first plate blades 31 and other second plate blades 33 are staggered to form the slag leakage gap to carry out slag leakage through rotation of the first plate blades 31 and the second plate blades 33, so that blocking probability of the slag leakage gap is greatly reduced, meanwhile, the rotation directions of the first plate blade 31 and the second plate blade 33 are opposite, so that large lump slag can be crushed, and the crushed slag passes through the slag leakage gap, so that the slag leakage gap is prevented from being blocked, and the normal slag discharging function of the bridge 24 is prevented from being influenced.
Further, as shown in fig. 6, one end of the first rotating shaft 28 extends into the cooling cavity 18 and is provided with a first gear 34, one end of the second rotating shaft 29 extends into the cooling cavity 18 and is provided with a second gear 35, the first gear 34 is meshed with the second gear 35, and one end of the first rotating shaft 28 extends out of the outer furnace body 17 and is in transmission connection with a driving motor 36; the driving motor 36 drives one of the first rotating shafts 28 to rotate, and the first rotating shaft 28 drives the other second rotating shafts 29 and the first rotating shaft 28 to rotate through the engagement of the first gear 34 and the second gear 35, so that the first rotating shaft 28 and the second rotating shaft 29 rotate reversely.
In the third embodiment, as shown in fig. 7, the top of the gasification furnace body 1 is communicated with an air outlet pipe 37, the air outlet pipe 37 is communicated with a temporary storage box 38, the temporary storage box 38 is communicated with an air outlet pipe 39, the air outlet pipe 37 is provided with an air passage check valve 40, and the air outlet pipe 39 is provided with a switch valve 41; the gas generated by the combustion of the garbage enters the temporary storage box 38 through the gas outlet pipe 37, and the gas passage check valve 40 can be conducted in one direction only, so that the gas can only enter the temporary storage box 38 through the gas outlet pipe 37, cannot flow into the gasification furnace body 1 from the temporary storage box 38, is temporarily stored through the temporary storage box 38, and is discharged from the exhaust pipe 39 for use by opening the switch valve 41.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (10)
1. The utility model provides a pyrolysis gasifier that is used for two-way oxygen suppliment of bottom baffling of plateau, its characterized in that includes gasifier furnace body (1) and oxygen suppliment subassembly (2), oxygen suppliment subassembly (2) set up in gasifier furnace body (1), oxygen suppliment subassembly (2) include rotatory oxygen supply piece (3), oxygen supply casing (4) and oxygen supply pipeline (5), offer open-top's rotatory chamber (6) in oxygen supply casing (4), rotatory oxygen supply piece (3) rotate and set up in rotatory chamber (6), oxygen supply pipeline (5) are fixed to wear to be established on gasifier furnace body (1), the one end of oxygen supply pipeline (5) is connected the bottom of oxygen supply casing (4), oxygen supply pipeline (5) with rotatory chamber (6) communicates with each other;
The shape of rotatory oxygen suppliment piece (3) is the hexagonal prism, the both ends of rotatory oxygen suppliment piece (3) all with oxygen supply casing (4) rotate and are connected, be equipped with in rotatory oxygen suppliment piece (3) and turn to cavity (7), rotatory oxygen suppliment piece (3) are including straight air-out curb plate (8), left air-out curb plate (9), right air-out curb plate (10) and three straight air inlet curb plate (11), straight air-out curb plate (8), left air-out curb plate (9), right air-out curb plate (10) and three straight air inlet curb plate (11) are connected and are formed the lateral wall of rotatory oxygen suppliment piece (3), wherein two straight air inlet curb plate (11) are connected respectively the both ends of straight air-out curb plate (8), another straight air inlet curb plate (11) are located the offside of straight air-out curb plate (8), set up a plurality of straight air outlet holes (12) on straight air-out curb plate (8), set up a plurality of left air outlet port (13) on the left air-out curb plate (9), right air outlet curb plate (10), right air outlet port (14) are all set up oblique air outlet (14) on straight air inlet curb plate (13).
2. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 1, wherein the gasification furnace body (1) comprises an inner furnace body (16) and an outer furnace body (17), a cooling cavity (18) is formed between the inner furnace body (16) and the outer furnace body (17), the oxygen supply assembly (2) is positioned in the inner furnace body (16), and a driving device is arranged in the cooling cavity (18) and is used for driving the rotary oxygen supply block (3) to rotate.
3. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 2, wherein the driving device comprises a driving shaft (19), two ends of the rotary oxygen supply block (3) are respectively fixed with a rotary shaft (20), the rotary shafts (20) are rotationally connected with the oxygen supply shell (4) through bearings, one end of each rotary shaft (20) extends into the cooling cavity (18) and is provided with a gear (21), a motor (22) is arranged on the outer side of the gasification furnace body (1), the driving shaft (19) is rotationally connected with the outer furnace body (17) through bearings, one end of the driving shaft (19) is provided with a clearance gear (23), the clearance gear (23) is meshed with the gear (21), and the other end of the driving shaft (19) is connected with an output shaft of the motor (22) through a coupling.
4. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 2, wherein a furnace bridge (24) is arranged in the gasification furnace body (1), the furnace bridge (24) is positioned below the oxygen supply shell (4), the furnace bridge (24) comprises a furnace bridge (25) and two groups of furnace bridge mechanisms (26), the furnace bridge (25) is fixedly arranged on the inner wall of the gasification furnace body (1), the two groups of furnace bridge mechanisms (26) are arranged on the furnace bridge (25) at intervals, an oxygen supply gap (27) for the oxygen supply pipeline (5) to pass through is formed between the two groups of furnace bridge mechanisms (26), and the width of the oxygen supply gap (27) is smaller than that of the oxygen supply shell (4).
5. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 4, wherein the furnace bridge mechanism (26) comprises a plurality of first rotating shafts (28) and a plurality of second rotating shafts (29), the first rotating shafts (28) and the second rotating shafts (29) are arranged in a staggered mode, the first rotating shafts (28) and the second rotating shafts (29) are rotationally connected with the furnace bridge (25) through bearings, the rotating direction of the first rotating shafts (28) is opposite to the rotating direction of the second rotating shafts (29), a plurality of first blade mechanisms are arranged on the first rotating shafts (28) at equal intervals along the axial direction of the first rotating shafts, a plurality of second blade mechanisms are arranged on the second rotating shafts (29) at equal intervals along the axial direction of the second rotating shafts, and the first blade mechanisms and the second blade mechanisms are arranged in a staggered mode.
6. The pyrolysis gasification furnace for bottom baffling type bidirectional oxygen supply of a plateau according to claim 5, wherein the first blade mechanism comprises a first fixing sleeve (30) and first plate blades (31), the first fixing sleeve (30) is fixedly sleeved on the first rotating shaft (28), a plurality of first plate blades (31) are fixedly arranged on the first fixing sleeve (30), a plurality of first plate blades (31) are uniformly distributed circumferentially, the second blade mechanism comprises a second fixing sleeve (32) and second plate blades (33), the second fixing sleeve (32) is fixedly sleeved on the second rotating shaft (29), a plurality of second plate blades (33) are fixedly arranged on the second fixing sleeve (32), a slag leakage gap is formed between the first plate blades (31) and the adjacent second plate blades (33).
7. The bottom baffled bidirectional oxygen supply pyrolysis gasifier for the plateau according to claim 6, wherein one end of the first rotating shaft (28) extends into the cooling cavity (18) and is provided with a first gear (34), one end of the second rotating shaft (29) extends into the cooling cavity (18) and is provided with a second gear (35), the first gear (34) is meshed with the second gear (35), and one end of one of the first rotating shafts (28) extends out of the outer furnace body (17) and is in transmission connection with a driving motor (36).
8. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 1, wherein an air outlet pipe (37) is communicated with the top of the gasification furnace body (1), a temporary storage box (38) is communicated with the air outlet pipe (37), an exhaust pipe (39) is communicated with the temporary storage box (38), an air passage check valve (40) is arranged on the air outlet pipe (37), and a switch valve (41) is arranged on the exhaust pipe (39).
9. The pyrolysis gasifier for bidirectional oxygen supply at the bottom of a plateau according to claim 1, wherein one end of the oxygen supply pipeline (5) far away from the oxygen supply shell (4) is connected with a fan (42).
10. The pyrolysis gasification furnace for bidirectional oxygen supply at the bottom of a plateau according to claim 4, wherein a feeding pipeline (43) is arranged on the gasification furnace body (1), a discharge hole of the feeding pipeline (43) is communicated to the inside of the inner furnace body (16), the discharge hole of the feeding pipeline (43) is positioned between the rotary oxygen supply block (3) and the furnace bridge (24), a guide plate (44) is slidably arranged above the oxygen supply shell (4), and the guide plate (44) is in an inverted V shape.
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Effective date of registration: 20240522 Address after: 626300 No. 33, Sanchahe North Road, ZhangGu Town, Danba County, Ganzi Tibetan Autonomous Prefecture, Sichuan Province Patentee after: Sichuan Tianyuanren Enterprise Management Co.,Ltd. Country or region after: China Address before: 626300 No. 33, Sanchahe North Road, ZhangGu Town, Danba County, Ganzi Tibetan Autonomous Prefecture, Sichuan Province Patentee before: Xia Yu Country or region before: China |