CN110397930B - Double-layer furnace body incineration device with stirring rod and rotatable liner - Google Patents
Double-layer furnace body incineration device with stirring rod and rotatable liner Download PDFInfo
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- CN110397930B CN110397930B CN201910679455.3A CN201910679455A CN110397930B CN 110397930 B CN110397930 B CN 110397930B CN 201910679455 A CN201910679455 A CN 201910679455A CN 110397930 B CN110397930 B CN 110397930B
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- furnace body
- inner container
- double
- stirring rod
- outer furnace
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- 238000003756 stirring Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000002893 slag Substances 0.000 claims abstract description 16
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 238000005422 blasting Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002440 industrial waste Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment 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
- F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a double-layer furnace body incineration device with a rotatable inner container with stirring rods, which comprises a double-layer furnace body structure, a rotary driving mechanism, a blowing mechanism, an exhaust mechanism and a fixed support, wherein the double-layer furnace body structure comprises a rotatable horizontal cylindrical shell inner container and a cylindrical shell with an elliptical cross section, the inside of the furnace body is divided into three spaces of a slag storage cavity, a combustion cavity and an exhaust cavity by the double-layer furnace body structure, the stirring rods arranged in the inner container can realize stirring and ventilation functions, so that waste gas and fresh air are favorably and timely isolated, a to-be-combusted object and waste slag are timely separated, the discharge capacity of toxic gas generated due to insufficient combustion is reduced, and meanwhile, the material combustion efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of incineration treatment equipment, and particularly relates to a double-layer furnace body incineration device with a stirring rod and a rotatable liner, which is suitable for household garbage incineration treatment, industrial waste incineration treatment, fuel combustion heating and the like.
Background
Harmless incineration treatment of household garbage and industrial waste, improvement of incineration efficiency, means of recycling combustion heat and the like are research hot spots in the technical field of environmental protection.
As is known, when the combustion of the material is insufficient, on the one hand, the combustion efficiency of the material is greatly reduced; on the other hand, toxic gases such as carbon monoxide are easily generated due to insufficient oxygen supply. The existing incineration device has the problem of insufficient combustion generally, and the analysis and induction reasons mainly comprise: firstly, the whole oxygen supply amount in the incinerator is insufficient. The flow rate of the air introduced into the furnace is smaller; secondly, the oxygen in the incinerator is unevenly distributed. The arrangement of the blast channels of most incineration devices is uneven, so that the oxygen in the furnace is unevenly distributed; third, accurate feeding is not realized. When the materials are burnt, the oxygen consumption of the incinerator is different due to the different burning degrees of the materials at different positions; fourth, ash covers the objects to be burned to prevent contact with oxygen.
Chinese patent (201721318938.3) discloses a waste incineration mechanism of an industrial waste rotary vertical incinerator, in which an air inlet is single and above a flame, and oxygen supply according to the combustion degree cannot be realized. The burning cylinder and the helical blade are matched to rotate to stir and turn materials, but the stirring amplitude is relatively large, the materials are easy to cover flame at the initial ignition stage to cause ignition failure, meanwhile, ash is not separated from the materials, and can be mixed in the materials when stirring and turning, contact between the materials and air can be blocked, and the burning is insufficient. Chinese patent (201310699342.2) and Chinese patent (201410466211.4) respectively disclose a rotary double-roller incinerator and a rotary vertical garbage incinerator, and the arrangement of the designed incinerator cylinder/incinerator does not realize the separation of ash and objects to be combusted, and still has the problem of insufficient combustion.
Aiming at the problems, the invention provides the following solution thought: on one hand, oxygen is supplied according to different combustion degrees and oxygen is supplied accurately according to the needs; on the other hand, ash and the objects to be burnt are separated in time. Utilize double-deck furnace body structure to separate into the inside sediment chamber of storing, combustion chamber and waste gas chamber three space, the stirring that sets up in the inner bag turns over the pole and can realize stirring and ventilation function, is favorable to waste gas and fresh air in time keeping apart, waiting to burn thing and waste residue in time separating, reduces the discharge capacity that produces poisonous gas because of the burning is insufficient, improves material combustion efficiency simultaneously.
Disclosure of Invention
The invention aims to solve the technical problems that: the double-layer furnace body incineration device with the rotatable inner container provided with the stirring rod is beneficial to timely isolation of waste gas and fresh air and timely separation of objects to be combusted and waste residues, reduces the emission of toxic gases caused by insufficient combustion, and improves the material combustion efficiency.
The technical scheme adopted for solving the technical problems is as follows: a double-layer furnace body incinerator with a rotatable inner container with stirring rods comprises a furnace body, a fixed bracket for fixedly supporting the furnace body, a ventilation mechanism, an exhaust mechanism and a rotary driving mechanism, wherein the ventilation mechanism and the exhaust mechanism are arranged on the furnace body, the rotary driving mechanism is used for driving the furnace body to rotate, the furnace body comprises an outer furnace body and an inner container arranged in the outer furnace body, the inner container is a horizontal cylindrical shell, two ends of the inner container are respectively and coaxially connected with a feeding channel and a power shaft, the other end of the power shaft is connected with the rotary driving mechanism, the outer furnace body is a cylindrical shell with an elliptical section, two ends of the outer furnace body are respectively connected with the feeding channel and the outer wall of the power shaft through bearings, a feeding port is arranged at a feeding port, a discharging port is arranged at the bottom of the outer furnace body, the fixed bolster support outer furnace body and fixed with ground, ventilation mechanism including the equipartition in the blast channel of outer furnace body side bottom, with the blast mechanism that the blast channel links to each other, exhaust mechanism including setting up gas vent and exhaust duct at outer furnace body top, inner bag inner wall axial circumference equipartition n layer stir turn over the pole, stir and turn over the pole both ends and fix on the inner bag both ends inner wall, the inner bag on set up the length and be less than the slag runner of inner bag, the slag runner is gone up to take out and insert and be provided with first metal mesh, the inner bag is gone up and is located slag runner both sides axial symmetry and set up a plurality of rectangle through-holes, rectangle through-hole on set up the second metal mesh, the inner bag in with slag runner diameter the part that corresponds do not arrange rectangle through-hole.
Further, the outer furnace body forms an inclined angle of 5-20 degrees with the ground.
Further, the distance between the outer wall of the inner container and the inner wall of the outer furnace body in the short axis direction of the elliptic section of the outer furnace body is 5-30 mm, and the distance between the outer walls of the two ends of the inner container and the inner walls of the two ends of the outer furnace body is 5-30 mm.
Further, the blast channels are uniformly distributed at the bottoms of two sides of the outer furnace body, the extension lines of the blast channels point to the axis of the inner container, the part of the blast channels in the inner container is a tubular boss, and a metal filter screen is arranged at the opening of the tubular boss to avoid the blockage of the pipeline by waste residues.
Further, the ratio of the major axis to the minor axis of the elliptic section of the outer furnace body is 1.4-8.
Further, the number of layers n of the stirring rod can be 1-15.
Further, the number of layers n of the stirring rod is set to be 2, 15 rectangular through holes are uniformly distributed on the circumference of each layer, and the number of the rectangular through holes is 4 in bilateral symmetry.
Further, the area of the second metal mesh holes is 5-10000 mm 2 。
Further, the part of the inner wall of the inner container, which is not provided with the rectangular through hole, is provided with the through hole with the diameter of 5-50 mm.
Further, the rotary driving mechanism is a driving mechanism with a speed regulating function, the liner can stably run at a rotating speed of 0.2-50 r/min and can be divided into three gears of low speed, medium speed and high speed, and the air blowing mechanism is an air blowing mechanism with a gas flow speed regulating function, and the adjustable range of the air blowing mechanism is 500-100000 m 3 And/h, the speed regulating function can be divided into a low speed, a medium speed and a high speed.
The invention relates to a double-layer furnace body incineration device with a rotatable liner and a stirring rod, which has the beneficial effects that:
1. the double-layer furnace body structure divides the interior of the furnace body into three spaces of a slag storage cavity, a combustion cavity and an exhaust gas cavity, which is favorable for timely separating the exhaust gas from fresh air and timely separating the objects to be combusted from waste slag;
2. the stirring rod arranged in the liner can realize stirring and ventilation functions.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is an overall schematic of the present invention;
FIG. 2 is a longitudinal cross-sectional view of the present invention;
FIG. 3 is a schematic view of the overall structure of the liner;
FIG. 4 is a transverse cross-sectional view of the liner;
fig. 5 and 6 are schematic views of the position of the stirring rod in the liner;
in the figure: 1. furnace body, 2, exhaust mechanism, 3, rotary driving mechanism, 4, blast mechanism, 5, fixed support, 6, feed hatch, 7, feed channel, 8, slag discharge channel, 9, first metal mesh, 10, second metal mesh, 11, through hole, 12, stirring rod, 13, exhaust pipe, 14, exhaust port, 15, rectangular through hole, 16, power shaft, 17, outer furnace body, 18, inner container, 19, blast channel, 20.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The double-layer furnace body incineration device with a rotatable inner container with stirring rods as shown in figures 1-6 comprises a furnace body 1, a fixed bracket 5 for fixedly supporting the furnace body 1, a ventilation mechanism and an exhaust mechanism 2 which are arranged on the furnace body 1, and a rotary driving mechanism 3 for driving the furnace body 1 to rotate, wherein the furnace body 1 comprises an outer furnace body 17 and an inner container 18 arranged in the outer furnace body 17, the inner container 18 is a horizontal cylindrical shell, two ends of the inner container are respectively and coaxially connected with a feeding channel 7 and a power shaft 16, the other end of the power shaft 16 is connected with the rotary driving mechanism 3, the outer furnace body 17 is a cylindrical shell with an elliptical cross section, the ratio of the major axis to the minor axis of the elliptical cross section is 1.4-8, the distance between the outer wall of the inner container 18 and the inner wall of the elliptical cross section of the outer furnace body 17 in the minor axis direction is 5-30 mm, the distance between the outer walls of two ends of the inner container 18 and the inner walls of the two ends of the outer furnace body 17 is 5-30 mm, the outer furnace body 17 is inclined at an angle of 5-20 degrees with the ground, two ends of the outer furnace body 17 are respectively connected with the feed channel 7 and the outer wall of the power shaft 16 through bearings, the port of the feed channel 7 is provided with a feed cabin door 6, the bottom of the outer furnace body 17 is provided with a discharge cabin door 20, the fixed support 5 supports the outer furnace body 17 and is fixed with the ground, the ventilation mechanism comprises air blasting channels 19 uniformly distributed at the bottom of the side surface of the outer furnace body 17, and air blasting mechanisms 4 connected with the air blasting channels 19, the air blasting channels 19 are uniformly distributed at the bottoms of two sides of the outer furnace body 17, the extension lines of the air blasting channels 19 point to the axis of the inner container 18, the part of the air blasting channels 19 positioned in the inner container 18 is a tubular boss, a metal filter screen is arranged at the port of the tubular boss to avoid the blockage of waste residues, the air discharging mechanism 2 comprises an air outlet 14 and an air discharging pipeline 13 which are arranged at the top of the outer furnace body 17, 2 layers of stirring rods 12 are uniformly distributed on the axial circumference of the inner wall of the inner container 18, 15 stirring rods are uniformly distributed on each layer, the two ends of the stirring rod 12 are fixed on the inner walls of the two ends of the inner container 18, and the inner container 18 is provided with a length smaller than that of the inner container 18The slag discharging channel 8 is provided with a first metal net 9 in a drawing and inserting way, 4 rectangular through holes 15 are axially and symmetrically arranged on two sides of the slag discharging channel 8 on the inner container 18, a second metal net 10 is arranged on the rectangular through holes 15, and the grid hole area of the second metal net 10 is 5-10000 mm 2 Rectangular through holes are not arranged in the part of the inner container 18 directly corresponding to the slag discharging channel 8, and through holes 11 with the diameter of 5-50 mm are formed.
The rotary driving mechanism 3 selects a driving mechanism with a speed regulation function, can ensure that the liner stably runs at a rotating speed of 0.2-50 r/min and can be divided into three gears of low speed, medium speed and high speed; the air blowing mechanism 4 is selected from air blowing mechanisms with the function of adjusting the air flow velocity, and the adjustable range of the air blowing mechanisms is 500-100000 m 3 And/h, the speed regulating function can be divided into a low speed, a medium speed and a high speed.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A double-deck furnace body incineration device with stir rotatable inner bag of turning over pole, characterized by: including furnace body (1), fixed bolster (5) of fixed stay furnace body (1), ventilation mechanism and exhaust mechanism (2) and the rotatory rotary drive mechanism (3) of drive furnace body (1) of setting on furnace body (1), furnace body (1) include outer furnace body (17) and place inner bag (18) in outer furnace body (17) in, inner bag (18) be horizontal cylindric casing, its both ends coaxial coupling respectively has feed channel (7) and power shaft (16), power shaft (16) other end links to each other with rotary drive mechanism (3), outer furnace body (17) be the cylinder casing that the cross-section is oval, its both ends are connected with feed channel (7) and power shaft (16) outer wall respectively through the bearing, feed channel (7) port sets up feed hatch door (6), outer furnace body (17) bottom sets up discharge hatch door (20), fixed bolster (5) support outer furnace body(17) And fixed with ground, outer furnace body (17) be 5 ~ 20 inclination with ground, ventilation mechanism including equipartition in outer furnace body (17) side bottom blast channel (19), blast mechanism (4) that link to each other with blast channel (19), exhaust mechanism (2) including setting up gas vent (14) and exhaust duct (13) at outer furnace body (17) top, inner bag (18) inner wall axial circumference equipartition n layer stir turn-over rod (12), n get 1 ~ 15, stir turn-over rod (12) both ends and fix on inner bag (18) both ends inner wall, inner bag (18) on offer slag runner (8) that length is less than inner bag (18), slag runner (8) are gone up to take out and insert and be provided with first metal mesh (9), be located slag runner (8) both sides axial symmetry on inner bag (18) and set up a plurality of rectangle through-holes (15), rectangle through-hole (15) on set up second metal mesh (10) area be 5 ~ 10000mm 2 Rectangular through holes are not arranged in the part of the inner container (18) which directly corresponds to the slag discharging channel (8), and through holes (11) with the diameter of 5-50 mm are arranged in the part of the inner wall of the inner container (18) which is not provided with the rectangular through holes.
2. The double-deck furnace body incineration device with the rotatable inner container of stirring rod according to claim 1, which is characterized in that: the distance between the outer wall of the inner container (18) and the inner wall of the elliptical cross section of the outer furnace body (17) in the short axis direction is 5-30 mm, and the distance between the outer walls of the two ends of the inner container (18) and the inner walls of the two ends of the outer furnace body (17) is 5-30 mm.
3. The double-deck furnace body incineration device with the rotatable inner container of stirring rod according to claim 1, which is characterized in that: the air blowing channels (19) are uniformly distributed at the bottoms of two sides of the outer furnace body (17), the extension lines of the air blowing channels (19) point to the axis of the inner container (18), the part of the air blowing channels (19) located in the inner container (18) is a tubular boss, and a metal filter screen is arranged at the opening of the tubular boss.
4. The double-deck furnace body incineration device with the rotatable inner container of stirring rod according to claim 1, which is characterized in that: the ratio of the major axis to the minor axis of the elliptic section of the outer furnace body (17) is 1.4-8.
5. The double-deck furnace body incineration device with the rotatable inner container of stirring rod according to claim 1, which is characterized in that: the number of layers n of the stirring rod (12) is 2, 15 rectangular through holes (15) are uniformly distributed on the circumference of each layer, and the number of the rectangular through holes (15) is 4 which are bilaterally symmetrical.
6. The double-deck furnace body incineration device with the rotatable inner container of stirring rod according to claim 1, which is characterized in that: the rotary driving mechanism (3) and the air blowing mechanism (4) are respectively provided with a low-speed, medium-speed and high-speed three-gear speed regulating function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679455.3A CN110397930B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with stirring rod and rotatable liner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679455.3A CN110397930B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with stirring rod and rotatable liner |
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| Publication Number | Publication Date |
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| CN110397930A CN110397930A (en) | 2019-11-01 |
| CN110397930B true CN110397930B (en) | 2024-03-22 |
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| CN201910679455.3A Active CN110397930B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with stirring rod and rotatable liner |
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| CN116907209B (en) * | 2023-09-14 | 2023-12-08 | 江苏博涛智能热工股份有限公司 | Material pretreatment rotary furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020014942A (en) * | 2000-08-19 | 2002-02-27 | 윤복현 | A rotatable incinerator |
| CN202118920U (en) * | 2011-06-14 | 2012-01-18 | 刘谦 | Stirrer of garbage cracking furnace |
| CN205174377U (en) * | 2015-12-08 | 2016-04-20 | 深圳市汉氏固体废物处理设备有限公司 | Immediately, change gasification of formula garbage pyrolytic and burn burning furnace |
| CN109654510A (en) * | 2018-12-22 | 2019-04-19 | 李利 | A kind of environment protection garbage incineration device |
-
2019
- 2019-07-26 CN CN201910679455.3A patent/CN110397930B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020014942A (en) * | 2000-08-19 | 2002-02-27 | 윤복현 | A rotatable incinerator |
| CN202118920U (en) * | 2011-06-14 | 2012-01-18 | 刘谦 | Stirrer of garbage cracking furnace |
| CN205174377U (en) * | 2015-12-08 | 2016-04-20 | 深圳市汉氏固体废物处理设备有限公司 | Immediately, change gasification of formula garbage pyrolytic and burn burning furnace |
| CN109654510A (en) * | 2018-12-22 | 2019-04-19 | 李利 | A kind of environment protection garbage incineration device |
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| CN110397930A (en) | 2019-11-01 |
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