CN215951427U - Domestic waste pyrolysis gasifier - Google Patents
Domestic waste pyrolysis gasifier Download PDFInfo
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- CN215951427U CN215951427U CN202121549712.0U CN202121549712U CN215951427U CN 215951427 U CN215951427 U CN 215951427U CN 202121549712 U CN202121549712 U CN 202121549712U CN 215951427 U CN215951427 U CN 215951427U
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- garbage
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 49
- 239000010791 domestic waste Substances 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 13
- 239000003818 cinder Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 239000011819 refractory material Substances 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 239000010813 municipal solid waste Substances 0.000 abstract description 22
- 239000000463 material Substances 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000001035 drying Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000002309 gasification Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000007602 hot air drying Methods 0.000 abstract description 3
- 238000009834 vaporization Methods 0.000 abstract description 3
- 230000008016 vaporization Effects 0.000 abstract description 3
- 238000011068 loading method Methods 0.000 description 6
- 239000002910 solid waste Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to the technical field of pyrolysis furnaces, in particular to a household garbage pyrolysis gasification furnace which comprises a crusher, a spiral dryer, an overheated steam dryer, a feeding transmission device and a pyrolysis furnace. The crusher can crush the garbage, so that the specific surface area is increased, and the garbage is favorably dried, conveyed and combusted for pyrolysis; the screw dryer can squeeze out the moisture by physical pressing and appropriate heating; the superheated steam dryer removes moisture by direct contact of superheated steam with the material being dried. The traditional hot air drying method is low in heat efficiency and high in energy consumption, the spiral dryer and the superheated steam dryer are combined, the spiral dryer mainly has a physical extrusion effect and is low in energy consumption, and the superheated steam dryer can recover latent heat of vaporization of steam through a condensation method, so that the heat efficiency is high, and the spiral dryer and the superheated steam dryer can be combined to fully reduce moisture of garbage, improve the heat value of the garbage, reduce the energy consumption of drying and save energy.
Description
Technical Field
The utility model relates to the technical field of pyrolysis furnaces, in particular to a household garbage pyrolysis gasification furnace.
Background
The solid waste refers to solid and muddy substances discarded in production and living activities, and solid particles separated from waste gas and waste water, and mainly comes from production and consumption activities of people. When people excavate and make resources, waste is generated certainly, all products become waste after being used and consumed, solid waste is various in types, quite complex in components and numerous in quantity, belongs to a main source of environmental pollution, and is one of main public hazards which are difficult to treat in cities at present.
The current treatment technologies are mainly sanitary landfills and incineration. The sanitary landfill occupies a large amount of land, and land resources are wasted; if the water is not properly treated, the secondary pollution to the environment and water sources is easily caused; and with the increasing of the solid waste amount, the suitable landfill sites are less and less, and the landfill does not finally eliminate pollution but only plays a role in delaying. The incineration technology is expensive, the equipment is complex, the requirements on the quality and the technical level of operators are high, a certain amount of soot is generated by incineration, and particularly, when heavy metals in solid waste are diffused in the atmosphere along with the soot, and smoke generated in the incineration process can seriously pollute the atmosphere.
The thermal cracking technology of solid waste is to use heat energy to cut off the organic matter with high molecular weight. The "organic substance" herein means a hydrocarbon, which is changed into a low molecular weight substance having a small number of carbon atoms, a heavy metal containing a harmful component, sulfur, and the like, which are fixed to carbon black, and it is desired to remove them very easily.
However, when the existing garbage pyrolysis gasification furnace is used, the combustion efficiency in the furnace is low due to more moisture in the garbage, the garbage pyrolysis gas is low due to insufficient combustion and the like.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a predried household garbage pyrolysis gasifier.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a domestic waste pyrolysis gasifier, includes rubbing crusher, spiral dryer, superheated steam dryer, material loading transmission device and pyrolysis oven, the discharge gate and the feed inlet of spiral dryer of breaker are connected, superheated steam dryer's discharge gate and spiral dryer's feed inlet are connected, spiral dryer's discharge gate and material loading transmission device's feed inlet are connected, material loading transmission device's discharge gate and pyrolysis oven's feed inlet intercommunication.
Wherein, the pulverizer is a spiral pulverizer.
Wherein, the feeding and conveying device is a spiral conveying device.
Wherein, the pyrolysis oven includes the furnace body, from top to bottom has set gradually empty layer, dry layer, pyrolysis/calcination layer, burning layer, burn out the layer and cool off row cinder notch in the furnace body, the height on burning layer is 1-1.5m, the furnace body lateral wall has been seted up oxygen and has been oxygenated the gas port, and the bottom that the cinder notch was arranged in the cooling is provided with row cinder notch, the top on empty layer is provided with feed inlet and gas outlet.
The furnace body comprises a refractory material layer, a heat insulation cotton layer and a manganese steel anticorrosive layer which are sequentially stacked from inside to outside.
Wherein, the height of pyrolysis layer is 2.0-2.25m, the furnace body is provided with temperature-detecting device in the inside wall of pyrolysis layer.
The utility model has the beneficial effects that: the pulverizer, the spiral dryer and the superheated steam dryer are arranged in front of the pyrolysis furnace, and the pulverizer can pulverize garbage, so that the specific surface area is increased, and the garbage can be dried, conveyed and combusted for pyrolysis; the spiral dryer can extrude the water through physical extrusion and proper heating, and is convenient for wastewater treatment after being collected; the superheated steam dryer removes moisture by direct contact of superheated steam with the material being dried. The traditional hot air drying method is low in heat efficiency and high in energy consumption, the spiral dryer and the superheated steam dryer are combined, the spiral dryer mainly has a physical extrusion effect and is low in energy consumption, and the superheated steam dryer can recover latent heat of vaporization of steam through a condensation method, so that the heat efficiency is high, and the spiral dryer and the superheated steam dryer can be combined to fully reduce moisture of garbage, improve the heat value of the garbage, reduce the energy consumption of drying and save energy.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic view of the structure of the pyrolysis furnace of the present invention;
the reference signs are: 1-a crusher, 2-a spiral dryer, 3-a superheated steam dryer, 4-a feeding transmission device, 5-a pyrolysis furnace, 51-a refractory material layer, 52-a heat insulation cotton layer, 53-a manganese steel anticorrosive layer, 54-an oxygen oxygenation air port, 55-a first air outlet, 56-a slag discharge port, 57-a feeding port, 58-a second air outlet and 59-a temperature detection device.
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-2, which are not intended to limit the present invention.
Example 1
The utility model provides a domestic waste pyrolysis gasifier, includes rubbing crusher 1, spiral dryer 2, superheated steam dryer 3, material loading transmission device 4 and pyrolysis oven 5, the discharge gate of breaker is connected with spiral dryer 2's feed inlet 57, superheated steam dryer 3's discharge gate is connected with spiral dryer 2's feed inlet 57, spiral dryer 2's discharge gate is connected with material loading transmission device 4's feed inlet 57, material loading transmission device 4's discharge gate and pyrolysis oven 5's feed inlet 57 intercommunication.
According to the utility model, the pulverizer 1, the spiral dryer 2 and the superheated steam dryer 3 are arranged in front of the pyrolysis furnace 5, and the pulverizer 1 can pulverize garbage, so that the specific surface area is increased, and the garbage can be dried, conveyed and combusted for pyrolysis; the spiral dryer 2 can extrude moisture through physical extrusion and proper heating, and is convenient for wastewater treatment after being collected; the superheated steam dryer 3 removes moisture by directly contacting superheated steam with the material to be dried. The traditional hot air drying method is low in heat efficiency and high in energy consumption, the spiral dryer 2 and the superheated steam dryer 3 are combined, the former mainly has a physical extrusion effect and is low in energy consumption, and the latter can recover latent heat of vaporization of steam through a condensation method, so that the heat efficiency is high, and the combination of the spiral dryer and the superheated steam dryer can fully reduce moisture of garbage, improve the heat value of the garbage, reduce the energy consumption of drying and save energy.
Wherein, rubbing crusher 1 is spiral rubbing crusher 1, simple structure, and it is convenient to carry.
The feeding and conveying device 4 is a spiral conveying device, conveying is stable, operation is reliable, and control accuracy is high.
Wherein, pyrolysis oven 5 includes the furnace body, from top to bottom has set gradually empty layer, drying layer, pyrolysis/calcination layer, burning layer, burn out the layer and cool off row cinder notch in the furnace body, the height on burning layer is 1-1.5m, oxygen oxygenating gas port 54 and first gas outlet 55 have been seted up to the furnace body lateral wall, and the bottom that the cinder notch was arranged in the cooling is provided with row cinder notch 56, the top on empty layer is provided with feed inlet 57 and second gas outlet 58.
Garbage passes through the empty layer in proper order in pyrolysis furnace 5, the drying layer, the pyrolysis/calcines the layer, the burning layer, burn out the layer and cool off the cinder layer, under the oxygen deficiency condition, pyrolysis layer temperature is between 350 ℃ to 800 ℃ of control, the resolvable material in the garbage decomposes into combustible gas, combustible gas discharges from first gas outlet 55 or gets into the burning layer, burn with rubbish under letting in oxygen condition, make poisonous harmful substance (dioxin, acid gas etc.) fully decompose, reach innoxiousness, the waste gas that the burning produced can be discharged from second gas outlet 58. The heights of the empty layer, the drying layer, the pyrolysis/calcination layer, the combustion layer, the burnout layer and the cooling slag discharge layer are 2.5-3.5m, 2.25-2.5m, 2.0-2.25m, 1.5-2.0m, 1.0-1.5m, 0.5-1.0m and 0-0.5m in sequence.
The furnace body comprises a refractory material layer 51, a heat insulation cotton layer 52 and a manganese steel anticorrosive layer 53 which are sequentially stacked from inside to outside. The refractory material layer 51 can protect the heat insulation cotton layer 52 from being burnt, and the heat insulation cotton layer 52 can play a role in heat insulation and heat preservation, so that the heat value of garbage in the furnace body reaches the constant temperature, the manganese steel anticorrosive layer 53 plays a role in supporting and preventing corrosion, and the furnace body is prevented from rusting and corroding.
Wherein, the height of pyrolysis layer is 2.0-2.25m, the furnace body is provided with temperature-detecting device 59 in the inside wall of pyrolysis layer. The temperature of the pyrolysis layer can be constantly detected by the temperature detecting device 59 to ensure the progress of the pyrolysis reaction.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (6)
1. A domestic waste pyrolysis gasifier which is characterized in that: the device comprises a pulverizer, a spiral dryer, an overheated steam dryer, a feeding transmission device and a pyrolysis furnace, wherein a discharge hole of the pulverizer is connected with a feed inlet of the spiral dryer, a discharge hole of the overheated steam dryer is connected with a feed inlet of the spiral dryer, a discharge hole of the spiral dryer is connected with a feed inlet of the feeding transmission device, and a discharge hole of the feeding transmission device is communicated with a feed inlet of the pyrolysis furnace.
2. The domestic waste pyrolysis gasifier of claim 1, wherein: the pulverizer is a spiral pulverizer.
3. The domestic waste pyrolysis gasifier of claim 1, wherein: the feeding and conveying device is a spiral conveying device.
4. The domestic waste pyrolysis gasifier of claim 1, wherein: the pyrolysis furnace includes the furnace body, from top to bottom has set gradually empty layer, dry layer, pyrolysis/calcination layer, burning layer, burn out the layer and cool off row's cinder notch in the furnace body, the height on burning layer is 1-1.5m, the furnace body lateral wall has been seted up oxygen and has been oxygenated the gas port, and the bottom that cools off row's cinder notch is provided with row's cinder notch, the top on empty layer is provided with feed inlet and gas outlet.
5. The domestic waste pyrolysis gasifier of claim 4, wherein: the furnace body comprises a refractory material layer, a heat insulation cotton layer and a manganese steel anticorrosive layer which are sequentially stacked from inside to outside.
6. The domestic waste pyrolysis gasifier of claim 4, wherein: the height of the pyrolysis layer is 2.0-2.25m, and a temperature detection device is arranged on the inner side wall of the pyrolysis layer of the furnace body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121549712.0U CN215951427U (en) | 2021-07-08 | 2021-07-08 | Domestic waste pyrolysis gasifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121549712.0U CN215951427U (en) | 2021-07-08 | 2021-07-08 | Domestic waste pyrolysis gasifier |
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| CN215951427U true CN215951427U (en) | 2022-03-04 |
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| CN202121549712.0U Active CN215951427U (en) | 2021-07-08 | 2021-07-08 | Domestic waste pyrolysis gasifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066837A (en) * | 2023-03-27 | 2023-05-05 | 魏县德尚环保有限公司 | Household garbage cutting and incinerating device for power generation |
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2021
- 2021-07-08 CN CN202121549712.0U patent/CN215951427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116066837A (en) * | 2023-03-27 | 2023-05-05 | 魏县德尚环保有限公司 | Household garbage cutting and incinerating device for power generation |
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| CP03 | Change of name, title or address |
Address after: 523000 Dongcheng Guangming Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Guangdong Taiquan Technology Co.,Ltd. Country or region after: China Address before: 523000 Dongcheng Guangming Road, Dongcheng Street, Dongguan City, Guangdong Province Patentee before: GUANGDONG TAIQUAN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Country or region before: China |
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