CN110397931B - Double-layer furnace body incineration device with rotatable inner container - Google Patents
Double-layer furnace body incineration device with rotatable inner container Download PDFInfo
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- CN110397931B CN110397931B CN201910679459.1A CN201910679459A CN110397931B CN 110397931 B CN110397931 B CN 110397931B CN 201910679459 A CN201910679459 A CN 201910679459A CN 110397931 B CN110397931 B CN 110397931B
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- furnace body
- inner container
- double
- outer furnace
- wall
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- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000002893 slag Substances 0.000 claims abstract description 14
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 16
- 238000003756 stirring Methods 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000002341 toxic gas Substances 0.000 abstract description 4
- 239000002912 waste gas Substances 0.000 abstract description 4
- 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
- 239000013049 sediment Substances 0.000 description 4
- 239000002440 industrial waste Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 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
- 238000009825 accumulation Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 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
- 239000012466 permeate Substances 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
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/20—Rotary drum furnace
- F23G2203/21—Rotary drum furnace with variable speed of rotation
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, which comprises a double-layer furnace body structure, a rotary driving mechanism, a blowing mechanism, an exhaust mechanism and a fixed bracket. The double-layer furnace body structure comprises a rotatable horizontal cylindrical shell liner and a cylindrical shell with an elliptical cross section. The double-layer furnace body structure separates the inside of the furnace body into three spaces of a slag storage cavity, a combustion cavity and an exhaust gas cavity, the spiral boss arranged on the inner wall of the inner container can realize stirring and ventilation functions, waste gas and fresh air are timely isolated, objects to be combusted are timely separated from waste residues, 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 relates to the technical field of incineration treatment equipment, in particular to a double-layer furnace body incineration device with 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. The air inlet is single and above the flame, and oxygen supply according to the combustion degree can not 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 up, combustion chamber and waste gas chamber three space, the spiral boss that sets up on the inner bag inner wall can realize stirring and ventilation function, is favorable to waste gas and fresh air to keep apart in time, wait to burn thing and waste residue in time to separate, reduces the discharge capacity that produces poisonous gas because of the burning insufficiently, 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 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: the utility model provides a rotatable double-deck furnace body incineration device of inner bag, includes furnace body, fixed bolster of fixed support furnace body, ventilation mechanism and exhaust mechanism and the rotatory rotary drive mechanism of drive furnace body that set up on the furnace body, the furnace body include outer furnace body and arrange the inner bag in the outer furnace body in, the inner bag be horizontal cylindric casing, its both ends coaxial coupling has feed channel and power shaft respectively, the power shaft other end links to each other with rotary drive mechanism, outer furnace body be elliptical cylinder casing in cross-section, its both ends are connected with feed channel and power shaft's outer wall respectively through the bearing, the feed channel port sets up the feed hatch door, outer furnace body bottom sets up the row's material hatch door, fixed bolster support outer furnace body and fixed with ground, ventilation mechanism including the air blast channel of equipartition in outer furnace body side bottom, the air blast mechanism that links to each other with the air blast channel, exhaust mechanism including setting up at the gas vent and exhaust duct of outer furnace body top, the inner bag on set up the length and be less than the sediment passageway of inner bag, the last take out the cartridge and be provided with first metal mesh, the inner bag on the sediment passageway, the inner bag on be located sediment passageway both sides and take out the axial symmetry and take over the distance from each other with the rectangle boss and take up the circumference of the 1 meter 50, the spiral boss is the sealed to be the diameter of the area of the 1-the diameter of the inner bag is set up, the diameter of the rectangle is 2, the diameter of the district is arranged to be the diameter of the district and the diameter of the district.
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 two ends of the inner container and the inner wall of the two ends of the outer furnace body is 5-30 mm.
Further, the air blast channels are uniformly distributed at the bottoms of two sides of the outer furnace body, the extension lines of the air blast channels point to the axis of the inner container, the part of the air blast channels in the inner container is a tubular boss, and a metal filter screen is arranged at the opening of the tubular boss.
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 spiral boss can be of a single-spiral, double-spiral or multi-spiral structure, the section of the spiral boss can be triangular, semicircular, trapezoidal or other combined shapes, the spiral angle is-150 degrees, and the spiral angle values of two adjacent spiral bosses are opposite, so that left-right stirring and turning are realized during rotation.
Further, the area of the second metal mesh holes is 5-10000 mm 2 。
Further, the diameter of the through vent hole formed in the spiral boss is 5-100 mm, the part of the inner wall of the liner, which is not provided with the spiral boss and the rectangular through hole, is provided with the through hole, and the diameter of the through hole is 5-50 mm.
Further, the combination number n of the spiral boss and the rectangular through hole is 4, and the total number of the spiral boss and the rectangular through hole is 4.
Further, the rotary driving mechanism is a driving mechanism with a speed regulation function, so that 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; the air blowing mechanism is selected from air blowing mechanisms with gas flow speed adjusting function, and the adjustable range 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 double-layer furnace body incineration device with the rotatable inner container 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 spiral boss is arranged in the inner container, so that the materials can be stirred up, down, left and right during rotation, and waste residues and objects to be combusted can be separated in time;
3. the spiral boss on the liner is provided with a through hole, and is inserted into the material to be combusted for ventilation, so that the problem that the gas is difficult to permeate thick-layer material to be combusted to cause insufficient combustion to generate toxic gas is solved;
4. the parts of the side surface of the inner container, on which the rectangular metal net is arranged, are alternately distributed with the parts on which the spiral bosses are arranged, and the spiral lift angle values of the spiral bosses at two adjacent parts are opposite, so that left and right stirring and turning are realized during rotation, the timely separation of the objects to be combusted from waste residues is facilitated, and meanwhile, the accumulation of the objects to be combusted on one side is avoided;
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 is a schematic view of a side half-cut-away of the liner;
wherein: 1. furnace body, 2, exhaust mechanism, 3, rotary drive mechanism, 4, blower mechanism, 5, fixed support, 6, feed port, 7, feed channel, 8, slag discharge channel, 9, first metal mesh, 10, second metal mesh, 11, through ventilation hole, 12, spiral boss, 13, exhaust pipe, 14, exhaust port, 15, rectangular through hole, 16, power shaft, 17, outer furnace body, 18, inner container, 19, blower channel, 20, discharge port, 21, through hole, 22.
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 rotatable inner container as shown in figures 1-5 comprises a furnace body 1, a fixed support 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 feed 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 and the ground form an inclined angle of 5-20 degrees, the outer furnace body 17 is a cylindrical shell with an elliptical cross section, the ratio of the long axis to the short axis of the elliptical cross section is 1.4-8, two ends of the outer furnace body are respectively connected with the feed channel 7 and the outer wall of the power shaft 16 through bearings, a port of the feed channel 7 is provided with a feed cabin door 6, and the bottom of the outer furnace body 17 is providedThe discharge cabin door 20, the interval between the outer wall of the inner container 18 and the inner wall of the outer furnace body 17 in the short axis direction of the elliptic section is 5-30 mm, the interval between the two ends of the inner container 18 and the inner wall of the two ends of the outer furnace body 17 is 5-30 mm, 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 the air blasting mechanisms 4 connected with the air blasting channels 19, the air blasting channels 19 are uniformly distributed at the bottom of the 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 tubular boss port to avoid the blockage of the channels by 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, the length of the inner container 18 is smaller than the slag discharging channel 8 of the inner container 18, and when the inner container 18 is positioned in the initial working position, the slag discharging channel 8 is positioned at the top, a first metal net 9 is arranged on the slag discharging channel 8 in a drawing and inserting way, spiral bosses 12 and rectangular through holes 15 are axially and symmetrically arranged on the inner wall of the inner container 18 at two sides of the slag discharging channel 8, the rectangular through holes 15 are arranged at intervals with the spiral bosses 12, the number n of combinations is 4, the spiral angle of the spiral bosses 12 is-150 DEG, the spiral angle values of the adjacent two spiral bosses 12 are opposite, the left and right stirring and turning are realized when the slag discharging channel is in favor of rotating, through holes 11 are formed in the spiral bosses 12, the diameter of the through holes 11 is 5-100 mm, through holes 21 are formed in the parts, which are not provided with the spiral bosses 12 and the rectangular through holes 15, of the inner container 18, the diameter of the through holes 21 is 5-50 mm, the part, which is directly corresponding to the slag discharging channel 8, in the inner container 18 is a closed area 22, the loss of ignition agent is prevented, the circumference angle theta occupied by the closed area 22 is 30-100 DEG, a second metal net 10 is arranged on the rectangular through holes 15, the area of the grid holes of the second metal net 10 is 5-10000 mm 2 。
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 (5)
1. The utility model provides a rotatable double-deck furnace body of inner bag burns device which characterized in that: the furnace body (1) comprises an outer furnace body (17) and an inner container (18) arranged in the outer furnace body (17), wherein 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 section, two ends of the outer furnace body (17) are respectively connected with the outer walls of the feeding channel (7) and the power shaft (16) through bearings, a feeding cabin door (6) is arranged at a port of the feeding channel (7), a discharging cabin door (20) is arranged at the bottom of the outer furnace body (17), the fixed support (5) supports the outer furnace body (17) and is fixed with the ground, the outer furnace body (17) is inclined at an angle of 5-20 DEG with the ground, the outer furnace body (17) comprises a cylindrical shell with an elliptical section, two ends of the outer furnace body (17) are respectively connected with the outer wall of the feeding channel (7) and the outer wall of the power shaft (16), the two ends of the outer furnace body (7) are respectively connected with the outer wall of the feeding cabin door (6) through bearings, the feeding cabin door (19) is arranged at the port of the feeding cabin door, the exhaust port (7) is arranged at the exhaust port of the exhaust port (19), the exhaust port (13) is connected with the exhaust port (14) and the exhaust port (13) of the exhaust port (14), the inner furnace is characterized in that the distance between the outer wall of the inner container (18) and the inner wall of the outer furnace body (17) in the short axis direction of the elliptic section is 5-30 mm, the distance between the two ends of the inner container (18) and the inner wall of the two ends of the outer furnace body (17) is 5-30 mm, a slag discharging channel (8) with the length smaller than that of the inner container (18) is arranged on the inner container (18), a first metal net (9) is arranged on the slag discharging channel (8) in a drawing and inserting mode, spiral bosses (12) and rectangular through holes (15) are axially symmetrically arranged on the two sides of the slag discharging channel (8) on the inner wall of the inner container (18), and the rectangular through holes (15) and the spiral bosses (12) are arranged at intervalsThe number of the combination is n, n is 2-50, the helix angle of the spiral boss (12) is-150 degrees, the helix angle values of two adjacent spiral bosses (12) are opposite, a through vent hole (11) is formed in the spiral boss (12), the diameter of the through vent hole (11) is 5-100 mm, a through hole (21) is formed in the part, which is not provided with the spiral boss (12) and the rectangular through hole (15), of the inner wall of the inner container (18), the diameter of the through hole (21) is 5-50 mm, the part, which directly corresponds to the slag discharging channel (8), in the inner container (18) is a closed area (22), the circumferential angle theta occupied by the closed area (22) is 30-100 degrees, a second metal net (10) is arranged on the rectangular through hole (15), and the grid hole area of the second metal net (10) is 5-10000 mm 2 。
2. The double-layer furnace body incineration device with rotatable inner container 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.
3. The double-layer furnace body incineration device with rotatable inner container 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.
4. The double-layer furnace body incineration device with rotatable inner container according to claim 1, which is characterized in that: the number n of the combination of the spiral boss (12) and the rectangular through hole (15) is 4.
5. The double-layer furnace body incineration device with rotatable inner container according to claim 1, which is characterized in that: the rotary driving mechanism (3) and the air blowing mechanism (4) are mechanisms with low-speed, medium-speed and high-speed three-gear speed regulation functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679459.1A CN110397931B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with rotatable inner container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679459.1A CN110397931B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with rotatable inner container |
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| Publication Number | Publication Date |
|---|---|
| CN110397931A CN110397931A (en) | 2019-11-01 |
| CN110397931B true CN110397931B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910679459.1A Active CN110397931B (en) | 2019-07-26 | 2019-07-26 | Double-layer furnace body incineration device with rotatable inner container |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372965A (en) * | 1972-01-26 | 1974-11-06 | Agrimonti C | Method and apparatus for waste disposal |
| CN202118920U (en) * | 2011-06-14 | 2012-01-18 | 刘谦 | Stirrer of garbage cracking furnace |
| CN206018654U (en) * | 2016-06-30 | 2017-03-15 | 安徽未名鼎和环保有限公司 | A kind of thoroughly Disposal System of Mud Burning that burns |
| CN109654510A (en) * | 2018-12-22 | 2019-04-19 | 李利 | A kind of environment protection garbage incineration device |
-
2019
- 2019-07-26 CN CN201910679459.1A patent/CN110397931B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1372965A (en) * | 1972-01-26 | 1974-11-06 | Agrimonti C | Method and apparatus for waste disposal |
| CN202118920U (en) * | 2011-06-14 | 2012-01-18 | 刘谦 | Stirrer of garbage cracking furnace |
| CN206018654U (en) * | 2016-06-30 | 2017-03-15 | 安徽未名鼎和环保有限公司 | A kind of thoroughly Disposal System of Mud Burning that burns |
| CN109654510A (en) * | 2018-12-22 | 2019-04-19 | 李利 | A kind of environment protection garbage incineration device |
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| Publication number | Publication date |
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| CN110397931A (en) | 2019-11-01 |
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