CN115325544A - Method for disposing complex combustible solid waste by adopting vertical sectional incinerator - Google Patents
Method for disposing complex combustible solid waste by adopting vertical sectional incinerator Download PDFInfo
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- CN115325544A CN115325544A CN202211027697.2A CN202211027697A CN115325544A CN 115325544 A CN115325544 A CN 115325544A CN 202211027697 A CN202211027697 A CN 202211027697A CN 115325544 A CN115325544 A CN 115325544A
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- 239000002910 solid waste Substances 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 230000014759 maintenance of location Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 79
- 238000005507 spraying Methods 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 239000002956 ash Substances 0.000 claims description 11
- 238000007664 blowing Methods 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 6
- 239000010881 fly ash Chemical group 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000001354 calcination Methods 0.000 abstract description 2
- 239000004568 cement Substances 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 235000012054 meals Nutrition 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F23G5/002—Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
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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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
- F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention relates to a method for disposing complex combustible solid waste by adopting a vertical sectional incinerator, belonging to the technical field of solid waste calcination. The vertical sectional incinerator is more than or equal to 3 sections, is in a three-dimensional staggered and stacked arrangement mode and is used for realizing the retention and combustion of solid wastes in the incinerator, and the bottom of the vertical sectional incinerator is connected with the decomposing furnace through a smoke and ash outlet; the vertical sectional incinerator consists of an upper section incinerator, at least one middle section incinerator and a lower section incinerator. The invention can effectively solve the problems of strong applicability, good solid waste mixing degree, large contact area of oxygen-containing gas and high burnout degree.
Description
Technical Field
The invention relates to a method for disposing complex combustible solid waste by adopting a vertical sectional incinerator, belonging to the technical field of solid waste calcination.
Background
The incinerator is generally used for the cement kiln to cooperatively treat solid waste, and has the advantages of single treated solid waste object, narrow particle size range and low burnout degree. The core reason is that the solid waste is static or moves integrally in the furnace, the mixing degree of the solid waste is low, and the contact area of the solid waste and the oxygen-containing gas is small. For example, CN108317864A is a cement kiln deep waste heat recovery and waste incineration system, which comprises a kiln head waste heat recovery system, a rotary kiln waste heat recovery system, a bypass air discharge system and a waste incineration system, wherein the kiln head waste heat recovery system comprises a grate cooler, a first dust removal device, a waste heat boiler, a second dust removal device, an air induction device and a connecting pipeline, the rotary kiln waste heat recovery system comprises an air supply device, an air heating device and a connecting pipeline, the bypass air discharge system comprises a third dust removal device and a connecting pipeline, and the waste incineration system comprises an incinerator, a primary air pipeline, a primary air preheater, a secondary air pipeline and a secondary air preheater. For another example: CN114216336a cement raw meal decomposition system using alternative fuels, comprising a cement raw meal decomposition reactor and a rotary drum type reactor mounted on the cement raw meal decomposition reactor; the rotary drum type reactor is respectively communicated with a decomposition reactor on the cement raw material decomposition reactor and a tertiary air pipe; the rotary drum type reactor includes a rotating mechanism rotatably connected to the decomposition reactor, which all have the above-mentioned problems.
Under such a background, a solution with high applicability, good solid waste mixing degree, large contact area with oxygen-containing gas and high burnout degree is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a method for disposing complex combustible solid waste by adopting a vertical sectional incinerator, which is used for solving the problems of strong applicability, good solid waste mixing degree, large contact area of oxygen-containing gas and high burnout degree.
In order to realize the technical purpose, the invention adopts the following scheme:
a method for disposing complex combustible solid waste by adopting a vertical sectional incinerator, wherein the vertical sectional incinerator is more than or equal to 3 sections, is in a three-dimensional staggered and stacked arrangement mode and is used for realizing the retention and combustion of the solid waste in the incinerator, and the bottom of the vertical sectional incinerator is connected with a decomposing furnace through a smoke outlet and an ash outlet; the vertical sectional incinerator consists of an upper section incinerator, at least one middle section incinerator and a lower section incinerator; the upper-section incinerator comprises a main solid waste inlet, a large-size solid waste inlet, a tertiary air inlet, a raw material inlet, a stepped material bed and an inflation unit; the raw material inlet and the large-size solid waste inlet are arranged beside the tertiary air inlet, and the main solid waste inlet is arranged on the outer wall of the upper-section incinerator and positioned at the top of the stepped material bed; the middle section incinerator also comprises a step material bed and an aeration unit; the lower section incinerator comprises a stepped material bed, an aeration unit and a flue gas and ash residue outlet, wherein the flue gas and ash residue outlet is directly connected with the side wall of the bottom of the decomposing furnace; the stepped material bed in the upper section incinerator, the middle section incinerator and the lower section incinerator is composed of an air inflation unit, and a high-pressure air spraying device connected with the air inflation unit is arranged on the stepped material bed and used for blowing solid waste to advance and enabling the solid waste to fall onto the next step of the stepped material bed or the stepped material bed of the next section incinerator;
the specific method for disposing the complex combustible solid waste is as follows:
the method comprises the following steps: feeding main solid waste and large-size solid waste into the upper part of a stepped material bed of an upper-section incinerator from a main solid waste inlet and a large-size solid waste inlet respectively;
step two: introducing tertiary air from a tertiary air inlet at the top of the upper-section incinerator, heating main solid waste and large-size solid waste to initiate combustion, and providing combustion oxygen for the main solid waste and the large-size solid waste;
step three: raw materials are fed into the upper part of the stepped material bed of the upper-section incinerator from a raw material inlet, and because a temperature sensor is arranged in a hearth of the vertical sectional incinerator, the feeding amount of the raw materials can be controlled according to the change of the temperature of the hearth;
step four: controlling a high-pressure air spraying device to intermittently spray high-pressure air, and enabling main solid waste and large-size solid waste to move forwards under the high-pressure air intermittently sprayed by the high-pressure air spraying device until the main solid waste and the large-size solid waste fall to the lower stage of a stepped material bed from the outlet end of the stepped material bed of the upper-section incinerator;
the main solid waste is fully contacted with oxygen-containing flue gas in the falling process to accelerate the combustion of the main solid waste, and when the main solid waste falls to the next stage of stepped material bed, the main solid waste is reset, and the main solid waste with different combustion schedules is mixed to create conditions for the full combustion of the main solid waste;
for large-size solid wastes, after combustion weight reduction, the large-size solid wastes move forwards under the intermittent blowing of high-pressure air until the large-size solid wastes fall to the next stage of the stepped material bed from the outlet end of the stepped material bed of the upper-section incinerator;
step five: the step material bed of the middle section incinerator receives all solid wastes from the step material bed of the upper section incinerator, the step material bed of the middle section incinerator is also provided with a high-pressure air spraying device, and all the solid wastes move forwards under the intermittent blowing of the high-pressure air until all the solid wastes fall to the next stage from the outlet end of the step material bed of the middle section incinerator; in the process, combustible materials in all solid wastes are continuously combusted, and all solid wastes are fully contacted with oxygen-containing hot flue gas in the falling process to accelerate combustion; when all solid wastes fall to the next stage of the stepped material bed, all solid waste positions are reset, all solid wastes with different combustion schedules are mixed, and conditions are created for full combustion of all solid wastes;
step six: the upper part of the lower-section incinerator receives all solid wastes from the stepped material bed of the middle-section incinerator, the stepped material bed is also provided with a high-pressure air spraying device, all the solid wastes move forwards under the intermittent blowing of the high-pressure air until all the solid wastes fall into the decomposing furnace from the outlet end of the stepped material bed of the lower-section incinerator through the smoke and ash residue outlet, and combustible substances in all the solid wastes are fully combusted in the process and enter the decomposing furnace in the form of the ash residue and the smoke.
Furthermore, the side surfaces of the upper section incinerator, the at least one middle section incinerator and the lower section incinerator are provided with inspection doors and ash poking holes.
Furthermore, the number of the raw material inlets is two, and the raw material inlets are arranged on two sides of the tertiary air inlet in a front-back mode.
Further, the raw material inlet is a circular inlet, and the large-size solid waste inlet is a rectangular inlet.
Further, the main solid waste inlet is single or multiple according to the width of the vertical sectional incinerator.
Furthermore, the middle section incinerator is provided with a multi-section stepped material bed which is arranged in a relatively staggered mode.
Furthermore, the high-pressure air spraying device controls the solid waste flow rate through the spraying amount and the spraying frequency of the air source, so that the control on the solid waste retention time is realized.
Compared with the prior art, the invention has the beneficial effects that:
the invention adopts the vertical type sectional staggered lamination design, has small floor area of equipment and is beneficial to being arranged in the preheater; the vertical sectional staggered stacking design is adopted, so that the solid waste falls in a dispersed state in the process of falling from the upper section to the lower section, and is fully contacted with oxygen in the flue gas, and the heat transfer and combustion are accelerated; by adopting the vertical sectional staggered stacking design, when solid waste falls to the next section of stepped material bed, the solid waste is fully mixed, the uneven combustion is improved, and the burning-out of the material is accelerated; the modular design is adopted, and specification serialization is realized by adjusting the number of middle-section modules; the vertical furnace is provided with no rotating part, each stage of material bed is provided with a high-pressure gas source, the solid waste flow rate is controlled by the gas source injection amount and the injection frequency, and the solid waste retention time is controlled; the top of the vertical furnace is provided with a single large-size solid waste feeding port, so that the furnace has wider application range to solid waste granularity.
Drawings
The invention is further illustrated by the following figures.
FIG. 1 is a schematic front view of a vertical-type sectional incinerator according to the present invention;
fig. 2 is a top schematic view of fig. 1.
Detailed Description
The embodiments of the present invention will be described in detail with reference to fig. 1-2.
Example 1
According to the method for disposing complex combustible solid waste by adopting the vertical sectional incinerator, the vertical sectional incinerator is more than or equal to 3 sections, is in a three-dimensional staggered and stacked arrangement mode and is used for realizing the retention and combustion of the solid waste in the incinerator, and the bottom of the vertical sectional incinerator is connected with the decomposing furnace 10 through a smoke and ash outlet. The vertical sectional incinerator is composed of an upper section incinerator 7, at least one middle section incinerator 8 and a lower section incinerator 9. The upper-section incinerator 7 comprises a main solid waste inlet 1, a large-size solid waste inlet 4, a tertiary air inlet 2, a raw material inlet 3, a stepped material bed 5 and an inflation unit 6. The raw material inlet 3 and the large-size solid waste inlet 4 are arranged beside the tertiary air inlet 2, and the main solid waste inlet 1 is arranged on the outer wall of the upper-section incinerator 7 and positioned at the top of the stepped material bed 5. In the embodiment, the raw material inlets 3 are circular inlets, two inlets are arranged at the front and the back of the tertiary air inlet 2, and the large-size solid waste inlet 4 is a rectangular inlet. The main solid waste inlets 1 are two arranged in parallel.
The middle-section incinerator 8 also includes a stepped bed 5 and an aeration unit 6. The lower incinerator section 9 comprises a stepped material bed 5, an aeration unit 6 and a flue gas and ash outlet which is directly connected with the side wall of the bottom of the decomposing furnace 10. The stepped material bed 5 in the upper section incinerator 7, the middle section incinerator 8 and the lower section incinerator 9 is composed of an air charging unit 6, and the stepped material bed 5 is provided with a high-pressure air spraying device connected with the air charging unit 6 and used for blowing the solid waste to advance and enabling the solid waste to fall onto the next step of the stepped material bed 5 or the stepped material bed 5 of the next section incinerator. The high-pressure air spraying device controls the solid waste flow rate through the spraying amount and the spraying frequency of the air source, and realizes the control of the solid waste retention time. In addition, the side surfaces of the upper-stage incinerator 7, the at least one middle-stage incinerator 8, and the one lower-stage incinerator 9 are provided with inspection doors, dust poking holes, not shown in the drawings.
The specific method for disposing the complex combustible solid waste is as follows:
the method comprises the following steps: feeding the main solid waste and the large-size solid waste into the upper part of a stepped material bed 5 of an upper-section incinerator 7 from a main solid waste inlet 1 and a large-size solid waste inlet 4 respectively.
Step two: tertiary air is introduced from a tertiary air inlet 2 at the top of the upper-section incinerator 7 to heat and initiate combustion of the main solid waste and the large-size solid waste, and combustion oxygen is provided for the main solid waste and the large-size solid waste.
Step three: raw materials are fed into the upper part of a stepped material bed 5 of an upper-section incinerator 7 from a raw material inlet 3, and the feeding amount of the raw materials can be controlled according to the change of the temperature of a hearth of the vertical sectional incinerator due to the fact that a temperature sensor is arranged in the hearth.
Step four: and controlling the high-pressure air spraying device to intermittently spray high-pressure air, and enabling the main solid waste and the large-size solid waste to move forwards under the high-pressure air intermittently sprayed by the high-pressure air spraying device until the main solid waste and the large-size solid waste fall to the next stage of the stepped material bed 5 from the outlet end of the stepped material bed 5 of the upper-section incinerator 7.
Wherein, to main useless admittedly, it is fully contacting with the oxygen-containing flue gas at the in-process that drops, with higher speed the burning of main useless admittedly to when main useless admittedly falls to next-stage ladder bed of material 5, main useless position of giving up resets admittedly, and the main useless mixture of giving up of different combustion schedules admittedly creates the condition for the abundant burning of main useless admittedly.
And for large-size solid wastes, after combustion weight reduction, the wastes move forwards under the intermittent blowing of high-pressure air until the wastes fall to the next stage of the stepped material bed 5 from the outlet end of the stepped material bed 5 of the upper-section incinerator 7.
Step five: the step material bed 5 of the middle section incinerator 8 receives all solid wastes from the step material bed 5 of the upper section incinerator 7, the step material bed 5 of the middle section incinerator 8 is also provided with a high-pressure air spraying device, and all solid wastes move forward under the intermittent blowing of high-pressure air until all solid wastes fall to the next stage from the outlet end of the step material bed 5 of the middle section incinerator 8. In the process, combustible materials in all solid wastes are continuously combusted, and all solid wastes are fully contacted with oxygen-containing hot flue gas in the falling process to accelerate combustion. And when all solid wastes fall to the next stage of the stepped material bed 5, all solid waste positions are reset, and all solid wastes with different combustion progress are mixed, so that conditions are created for full combustion of all solid wastes.
Step six: the upper part of the lower section incinerator 9 receives all solid wastes from the stepped material bed 5 of the middle section incinerator 8, the stepped material bed 5 is also provided with a high-pressure air spraying device, all the solid wastes move forwards under the intermittent spraying of the high-pressure air until all the solid wastes fall into the decomposing furnace 10 from the outlet end of the stepped material bed 5 of the lower section incinerator 9 through a smoke and ash residue outlet, and combustible substances in all the solid wastes are fully combusted in the process and enter the decomposing furnace 10 in the form of the ash residue and the smoke.
In example 2, in this example, the middle-section incinerator 8 is provided with 2 stages of stepped material beds 5,2, and the stepped material beds 5 are relatively staggered, which is not shown in the figure. Other structures and methods are the same as those of example 1.
In conclusion, although the embodiments of the present invention have been described, it should be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the principles and spirit of the present invention.
Claims (7)
1. A method for disposing complex combustible solid waste by adopting a vertical sectional incinerator, wherein the vertical sectional incinerator is more than or equal to 3 sections, is in a three-dimensional staggered and stacked arrangement mode and is used for realizing the retention and combustion of the solid waste in the incinerator, and the bottom of the vertical sectional incinerator is connected with a decomposing furnace (10) through a smoke and ash outlet; the vertical sectional incinerator consists of an upper section incinerator (7), at least one middle section incinerator (8) and a lower section incinerator (9); the upper-section incinerator (7) comprises a main solid waste inlet (1), a large-size solid waste inlet (4), a tertiary air inlet (2), a raw material inlet (3), a stepped material bed (5) and an inflation unit (6); the raw material inlet (3) and the large-size solid waste inlet (4) are arranged beside the tertiary air inlet (2), and the main solid waste inlet (1) is arranged on the outer wall of the upper-section incinerator (7) and positioned at the top of the stepped material bed (5); the middle-section incinerator (8) also comprises a stepped material bed (5) and an aeration unit (6); the lower section incinerator (9) comprises a stepped material bed (5), an aeration unit (6) and a flue gas and ash residue outlet, wherein the flue gas and ash residue outlet is directly connected with the side wall of the bottom of the decomposing furnace (10); the stepped material bed (5) in the upper section incinerator (7), the middle section incinerator (8) and the lower section incinerator (9) is composed of an air inflation unit (6), and a high-pressure air spraying device connected with the air inflation unit (6) is arranged on the stepped material bed (5) and used for blowing solid waste to advance and enabling the solid waste to fall onto the next step of the stepped material bed (5) or the stepped material bed (5) of the next section incinerator;
the method is characterized in that the specific method for disposing the complex combustible solid waste is as follows:
the method comprises the following steps: feeding main solid waste and large-size solid waste into the upper part of a stepped material bed (5) of an upper-section incinerator (7) from a main solid waste inlet (1) and a large-size solid waste inlet (4) respectively;
step two: introducing tertiary air from a tertiary air inlet (2) at the top of the upper-section incinerator (7), heating the main solid waste and the large-size solid waste for combustion, and providing combustion oxygen for the main solid waste and the large-size solid waste;
step three: raw materials are fed into the upper part of a stepped material bed (5) of an upper-section incinerator (7) from a raw material inlet (3), and because a temperature sensor is arranged in a hearth of the vertical sectional incinerator, the feeding amount of the raw materials can be controlled according to the change of the temperature of the hearth;
step four: controlling a high-pressure air spraying device to intermittently spray high-pressure air, and enabling main solid waste and large-size solid waste to move forwards under the high-pressure air intermittently sprayed by the high-pressure air spraying device until the main solid waste and the large-size solid waste drop to the next stage of the stepped material bed (5) from the outlet end of the stepped material bed (5) of the upper-section incinerator (7);
the main solid waste is fully contacted with oxygen-containing flue gas in the falling process to accelerate the combustion of the main solid waste, and when the main solid waste falls to the next stage of stepped material bed (5), the main solid waste is reset, and the main solid waste is mixed at different combustion schedules, so that conditions are created for the full combustion of the main solid waste;
for large-size solid wastes, after the combustion weight is reduced, the wastes move forwards under the intermittent blowing of high-pressure air until the wastes fall to the next stage of the stepped material bed (5) from the outlet end of the stepped material bed (5) of the upper-section incinerator (7);
step five: the step material bed (5) of the middle section incinerator (8) receives all solid wastes from the step material bed (5) of the upper section incinerator (7), the step material bed (5) of the middle section incinerator (8) is also provided with a high-pressure air spraying device, and all the solid wastes move forward under the intermittent spraying of high-pressure air until all the solid wastes fall to the next stage from the outlet end of the step material bed (5) of the middle section incinerator (8); in the process, combustible materials in all solid wastes are continuously combusted, and all solid wastes are fully contacted with oxygen-containing hot flue gas in the falling process to accelerate combustion; when all solid wastes fall to the next stage of the stepped material bed (5), all solid waste positions are reset, all solid wastes with different combustion schedules are mixed, and conditions are created for full combustion of all solid wastes;
step six: the upper part of the lower section incinerator (9) receives all solid wastes from the ladder material bed (5) of the middle section incinerator (8), the ladder material bed (5) is also provided with a high-pressure air spraying device, all the solid wastes move forward under the intermittent blowing of the high-pressure air until all the solid wastes fall into the decomposing furnace (10) from the outlet end of the ladder material bed (5) of the lower section incinerator (9) through a smoke and ash outlet, and combustible substances in all the solid wastes are fully combusted in the process and enter the decomposing furnace (10) in the form of ash and smoke.
2. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the side surfaces of the upper section incinerator (7), the at least one middle section incinerator (8) and the lower section incinerator (9) are provided with inspection doors and ash poking holes.
3. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the two raw material inlets (3) are arranged at the front and the back of the three-time air inlet (2).
4. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the raw material inlet (3) is a circular inlet, and the large-size solid waste inlet (4) is a rectangular inlet.
5. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the main solid waste inlet (1) is single or multiple according to the width of the vertical sectional incinerator.
6. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the middle section incinerator (8) is provided with a multi-section stepped material bed (5), and the multi-section stepped material bed (5) is arranged in a relatively staggered mode.
7. The method for disposing complex combustible solid waste by using a vertical sectional incinerator according to claim 1, characterized in that: the high-pressure air spraying device controls the solid waste flow rate through the air source spraying amount and the spraying frequency, and realizes the control of the solid waste retention time.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211027697.2A CN115325544A (en) | 2022-08-25 | 2022-08-25 | Method for disposing complex combustible solid waste by adopting vertical sectional incinerator |
| PCT/CN2023/102206 WO2024012182A1 (en) | 2022-08-25 | 2023-06-25 | Method for using vertical segmented incinerator to dispose of complex combustible solid waste |
| FR2308732A FR3139184A1 (en) | 2022-08-25 | 2023-08-16 | METHOD FOR DISPOSING COMPLEX COMBUSTIBLE SOLID WASTES USING A VERTICAL MODULAR INCINERATOR |
| ZA2023/08015A ZA202308015B (en) | 2022-08-25 | 2023-08-18 | Method for disposing complex combustible solid wastes by using vertical sectional incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211027697.2A CN115325544A (en) | 2022-08-25 | 2022-08-25 | Method for disposing complex combustible solid waste by adopting vertical sectional incinerator |
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| Publication Number | Publication Date |
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| CN115325544A true CN115325544A (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211027697.2A Pending CN115325544A (en) | 2022-08-25 | 2022-08-25 | Method for disposing complex combustible solid waste by adopting vertical sectional incinerator |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN115325544A (en) |
| FR (1) | FR3139184A1 (en) |
| WO (1) | WO2024012182A1 (en) |
| ZA (1) | ZA202308015B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024012182A1 (en) * | 2022-08-25 | 2024-01-18 | 中材建设有限公司 | Method for using vertical segmented incinerator to dispose of complex combustible solid waste |
| WO2024012599A1 (en) * | 2022-08-27 | 2024-01-18 | 中材建设有限公司 | Vertical two-stage incinerator and method for disposing of complex combustible solid waste according thereto |
Citations (11)
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2024012182A1 (en) | 2024-01-18 |
| ZA202308015B (en) | 2024-03-27 |
| FR3139184A1 (en) | 2024-03-01 |
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