CN110606637A - Organic sludge pyrolysis furnace - Google Patents
Organic sludge pyrolysis furnace Download PDFInfo
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- CN110606637A CN110606637A CN201910995221.XA CN201910995221A CN110606637A CN 110606637 A CN110606637 A CN 110606637A CN 201910995221 A CN201910995221 A CN 201910995221A CN 110606637 A CN110606637 A CN 110606637A
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- pyrolysis
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 128
- 239000010802 sludge Substances 0.000 title claims abstract description 111
- 239000007789 gas Substances 0.000 claims abstract description 69
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 41
- 239000002737 fuel gas Substances 0.000 claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003345 natural gas Substances 0.000 claims abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 9
- 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 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/28—Other processes
- C10B47/32—Other processes in ovens with mechanical conveying means
- C10B47/44—Other processes in ovens with mechanical conveying means with conveyor-screws
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/02—Multi-step carbonising or coking processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The patent provides an organic sludge pyrolysis furnace which has the advantages of no generation of dioxin, heavy metal solidification, high energy utilization rate and low energy loss and can efficiently treat sludge, wherein an upper pyrolysis chamber and a lower pyrolysis chamber are arranged in a furnace body, each pyrolysis chamber comprises a gas heating channel and a sludge channel, and each pyrolysis chamber, each gas heating channel and each sludge channel are communicated end to form an s shape; one end of the first sludge channel positioned at the top is provided with a feeding hole, and one end of the last sludge channel positioned at the bottom is provided with a discharging hole; an air outlet is formed in one end of a first fuel gas heating channel in the first pyrolysis chamber; each fuel gas heating channel is internally provided with a combustion head which is communicated with a natural gas supply pipeline and an air supply pipeline; the inner upper part of each sludge channel is communicated with the inlet of a pyrolysis gas pipeline, the outlet of the pyrolysis gas pipeline is communicated with a pyrolysis gas combustion head in the last fuel gas heating channel, and the pyrolysis gas combustion head is also communicated with an air supply pipeline; and a spiral propeller is arranged in each sludge channel.
Description
Technical Field
The patent belongs to the technical field of organic sludge treatment, and particularly relates to a treatment method and a treatment device for organic sludge.
Background
In the sewage treatment process, a large amount of sludge is generated, and the sludge contains a large amount of toxic and harmful substances, such as parasitic ova, pathogenic microorganisms, synthetic organic matters, heavy metal ions and the like. Therefore, the sludge needs to be treated and disposed in time, so that toxic and harmful substances in the sludge can be stably treated or utilized; the useful substances can be comprehensively utilized, and the harm is changed into the benefit.
At present, the treatment of the sludge mainly adopts the modes of sanitary landfill, composting, incineration and the like, so that the sludge can be reduced, stabilized, harmless and comprehensively utilized as far as possible. The sludge is simply and conveniently treated by sanitary landfill, but the site selection of a landfill site is difficult, a large amount of land resources are occupied, the cost is high, and secondary pollution to soil, atmosphere and water is caused; the sludge compost is mainly used in agriculture, has the advantages of low investment, low energy consumption, low operating cost and the like, can be used as an agricultural fertilizer and a soil conditioner, but contains a large amount of toxic and harmful substances and heavy metal ions which pollute soil and water; the sludge incineration can oxidize organic matters, effectively kill pathogens, reduce the volume of the sludge to the maximum extent, but needs dehydration treatment before incineration, and also needs very high heat value during incineration, harmful gases such as sulfur dioxide and dioxin can be generated, heavy metals in the sludge can pollute the air along with the diffusion of smoke dust, and the incineration cost is high.
Therefore, it is urgently needed to find a treatment method and a treatment device for organic sludge.
Disclosure of Invention
The purpose of this patent is in order to overcome current technical deficiency and provide one kind and have the advantage that does not produce dioxin, solidification heavy metal, high energy utilization and low energy loss, can handle the organic sludge pyrolysis furnace of mud with high efficiency.
The organic sludge pyrolysis furnace is characterized in that an upper pyrolysis chamber and a lower pyrolysis chamber are arranged in a furnace body, each pyrolysis chamber comprises a gas heating channel and a sludge channel which are independent and not communicated with each other, and the pyrolysis chambers, the gas heating channels and the sludge channels are communicated end to form an s shape; a feed inlet is formed at one end of the first sludge channel in the uppermost first pyrolysis chamber, and a discharge outlet is formed at one end of the last sludge channel in the lowermost last pyrolysis chamber; an air outlet is formed in one end of a first fuel gas heating channel in the first pyrolysis chamber; each fuel gas heating channel is internally provided with a combustion head which is communicated with a natural gas supply pipeline and an air supply pipeline; the inner upper part of each sludge channel is communicated with the inlet of a pyrolysis gas pipeline, the outlet of the pyrolysis gas pipeline is communicated with a pyrolysis gas combustion head arranged in the last fuel gas heating channel in the last pyrolysis chamber, and the pyrolysis gas combustion head is also communicated with an air supply pipeline; and a spiral propeller which pushes the sludge fed from the feed inlet to the discharge outlet is arranged in each sludge channel.
As a further improvement of the organic sludge pyrolysis furnace, the air outlet is connected with a fan for exhausting air of the fuel gas heating channel.
As a further improvement of the organic sludge pyrolysis furnace, the pyrolysis gas pipeline is positioned inside the furnace body.
As a further improvement of the organic sludge pyrolysis furnace, an inner vertical plate which divides the last fuel gas heating channel into a left combustion chamber and a right combustion chamber which are communicated is arranged in the last fuel gas heating channel, and the right combustion chamber is communicated with the penultimate fuel gas heating channel in the penultimate pyrolysis chamber; the pyrolysis gas combustion head is positioned in the left combustion chamber, and the right combustion chamber is provided with the combustion head.
When the pyrolysis furnace is used for treating organic sludge, the organic sludge enters the pyrolysis furnace from the feeding hole, is pyrolyzed in each pyrolysis chamber within 30-120 minutes and then is discharged from the discharging hole; pyrolysis gas generated by organic sludge pyrolysis is sent into a pyrolysis gas combustion head to be mixed with air and then combusted; the natural gas and the air are mixed and then combusted in each combustion head; the temperature in each pyrolysis chamber is gradually increased from top to bottom, the temperature in the first pyrolysis chamber is 80-120 ℃, and the temperature in the last pyrolysis chamber is 630-; the flow directions of the high-temperature gas in the fuel gas heating channel and the organic sludge in the sludge channel are opposite.
When organic sludge is treated, the temperature of the four pyrolysis chambers is respectively controlled at 100 ℃, 300 ℃, 450 ℃ and 650 ℃ from top to bottom; the retention time of the organic sludge in the pyrolysis furnace is controlled to be 45 minutes.
When the organic sludge is treated, the gas flow velocity in the pyrolysis cavity above the sludge in the sludge channel is below 5 m/s.
When the organic sludge is treated, the organic sludge is cut into strips or granulated and then is fed into the feeding hole.
When the organic sludge is treated, the water content of the organic sludge fed into the feeding hole is not more than 25%.
Compared with the prior art, the patent has the following advantages: it is known that dioxin is generated under conditions of a basic element or precursor, a certain temperature, a metal catalyst and oxygen. For the patent, as the pyrolysis process is carried out in the reducing atmosphere under the anoxic condition, the heavy metal can be reduced, and a plurality of conditions for generating dioxin are lacked. After the sludge is pyrolyzed, heavy metals are enriched in solid residues with high carbon content, the form is obviously changed, the exchangeable state proportion is reduced, the residue state proportion is increased, and the leaching toxicity of the heavy metals is reduced.
The pyrolysis gas in-situ incineration utilizes heat, so that the pyrolysis gas is thoroughly purified through self-combustion and incineration treatment, flows in the reverse direction with the sludge, the heat is fully utilized, the exhaust heat is low, and the exhaust tail gas can be used for further drying the sludge.
Therefore, the organic sludge treatment method and device (organic sludge pyrolysis furnace) can crack toxic organic matters, have the advantages of no generation of dioxin, solidification of heavy metals, high energy utilization rate and low energy loss, can treat sludge efficiently, and enables sludge treatment to realize maximum utilization of resources.
Drawings
FIG. 1 is a schematic view of an organic sludge pyrolysis furnace;
fig. 2 is a schematic left side view of fig. 1.
Detailed Description
Referring to the organic sludge pyrolysis furnace shown in fig. 1 and 2, an upper pyrolysis chamber and a lower pyrolysis chamber are arranged in a furnace body 100: a first pyrolysis chamber 1, a second pyrolysis chamber 2, a third pyrolysis chamber 3, a fourth pyrolysis chamber (last pyrolysis chamber) 4. The first pyrolysis chamber 1 and the second pyrolysis chamber 2, the second pyrolysis chamber 2 and the third pyrolysis chamber 3, and the third pyrolysis chamber 3 and the fourth pyrolysis chamber 4 are respectively separated by a first partition plate 11, a second partition plate 12, and a third partition plate 13.
A first gap 21 and a third gap 23 are respectively arranged between the right end of the first clapboard 11 and the right end of the third clapboard 13 and the inner wall of the furnace body, and a second gap 22 is arranged between the left end of the second clapboard 12 and the inner wall of the furnace body.
The first pyrolysis chamber 1, the second pyrolysis chamber 2, the third pyrolysis chamber 3 and the fourth pyrolysis chamber 4 respectively comprise a first fuel gas heating channel 31 and a first sludge channel 41, a second fuel gas heating channel 32 and a second sludge channel 42, a third fuel gas heating channel 33 and a third sludge channel 43, and a fourth fuel gas heating channel 34 and a fourth sludge channel 44 which are independent and not communicated with each other.
The upper part of the left end of a first sludge channel 41 in the uppermost first pyrolysis chamber is provided with a feeding hole 51, the lower part of the right end of the first sludge channel 41 is communicated with the upper part of the right end of a second sludge channel 42 through a first short vertical pipe 61 penetrating through a first gap 21, the lower part of the left end of the second sludge channel 42 is communicated with the upper part of the left end of a third sludge channel 43 through a second short vertical pipe 62 penetrating through a second gap 22, the lower part of the right end of the third sludge channel 43 is communicated with the upper part of the right end of a fourth sludge channel 44 through a third short vertical pipe 63 penetrating through a third gap 23, and the lower part of the left end of the fourth sludge channel 44 in the lowermost fourth pyrolysis chamber is provided with a discharging hole 52. Screw propellers 401 for pushing organic sludge from left to right when rotating are arranged in the first sludge channel 41 and the third sludge channel 43, and screw propellers 402 for pushing organic sludge from right to left when rotating are arranged in the second sludge channel 42 and the fourth sludge channel 44.
The upper part of the left end of the first gas heating channel 31 is provided with a gas outlet 7, and the gas outlet is connected with a fan for exhausting the gas heating channel. The lower part of the right end of the first gas heating channel 31 is communicated with the upper part of the right end of the second gas heating channel 32 through the first gap 21, and the lower part of the left end of the second gas heating channel 32 is communicated with the upper part of the left end of the third gas heating channel 33 through the second gap 22. The fourth gas heating channel 34 is provided with an inner vertical plate 343 which divides the fourth gas heating channel into a left combustion chamber 341 at the left part and a right combustion chamber 342 at the right part which are communicated with each other, and the lower part of the right end of the third gas heating channel 33 is communicated with the upper part of the right end of the right combustion chamber 342 by passing through the third gap 23.
The first gas heating channel 31, the second gas heating channel 32, the third gas heating channel 33, the fourth gas heating channel 34 and other gas heating channels are communicated.
The first sludge passage 41, the second sludge passage 42, the third sludge passage 43, the fourth sludge passage 44 and the like are communicated with each other. But the fuel gas heating channel and the sludge channel are independent and not communicated with each other.
The first gas heating channel 31, the second gas heating channel 32, the third gas heating channel 33 and the right combustion chamber 342 are all internally provided with a combustion head 8. The combustion head 8 is communicated with a natural gas supply pipeline 81 and an air supply pipeline 82.
The upper part of the inside of each sludge channel is communicated with the inlet of a pyrolysis gas pipeline 9 positioned in the furnace body, the outlet of the pyrolysis gas pipeline 9 is communicated with a pyrolysis gas combustion head 10 arranged in the left combustion chamber 341, and the pyrolysis gas combustion head 10 is also communicated with an air supply pipeline 82.
A method for treating organic sludge comprises the following steps:
the organic sludge is cut into strips or granulated, enters the pyrolysis furnace through a feed inlet, is fully pyrolyzed in a first pyrolysis chamber 1, a second pyrolysis chamber 2, a third pyrolysis chamber 3 and a fourth pyrolysis chamber 4, and is discharged through a discharge outlet;
high-temperature gas in the fuel gas heating channel and organic sludge and other materials in the sludge channel reversely flow;
organic sludge and other materials in the sludge channel are pushed by the spiral propellers, the pushing speed can be respectively controlled by each propeller, and the staying time of the sludge in different sections can be respectively controlled by utilizing the capacity of each sludge channel;
the temperature of each pyrolysis chamber is controlled to be 100-650 ℃, and the total retention time is controlled to be 30-120 minutes;
the total output of pyrolysis gas is controlled by controlling the volume and the feeding amount of the upper sludge cavity in each sludge channel, the gas velocity in the pyrolysis cavity at the upper part in each sludge channel is ensured to be below 5m/s, the critical dust-generating wind speed can be further improved by slitting or granulating, and the dust content of the pyrolysis gas is reduced by controlling, so that conditions are provided for subsequent combustion;
the combustion heads are respectively arranged in the gas heating channels, so that different temperatures of all sections can be set according to different characteristics of materials, and the pyrolysis process is controlled;
the air outlet is connected with an air exhaust fan, and the whole equipment keeps micro negative pressure operation.
The pyrolysis gas pipeline is positioned in a heat insulation layer of a furnace body of the pyrolysis furnace, the temperature of the pyrolysis gas pipeline is kept to be more than or equal to 300 ℃ by the furnace body, so that a small amount of generated tar is kept in a liquid state and a gaseous state, and directly enters a pyrolysis gas combustion head positioned in the left combustion chamber 341 to be combusted, and then heat is recovered. The pyrolysis gas is burned in situ and then enters the right combustion chamber 342, and the natural gas is burned and purified again and then enters each pyrolysis chamber to provide required heat and ensure that the pyrolysis gas reaches the standard to be discharged.
Organic sludge's in this patent processing apparatus, it cuts apart into 4 pyrolysis chambers with the pyrolysis oven, and the feed inlet is located 1 top in first pyrolysis chamber with the gas outlet with one side, and three air ducts such as discharge gate and two air supply lines, a natural gas supply line are in 4 below in fourth pyrolysis chamber, and air and natural gas are followed 4 below inputs in fourth pyrolysis chamber respectively.
Example 1:
after being cut into strips or granulated, the organic sludge with the water content of 25 percent enters the pyrolysis furnace from the feeding hole, is fully pyrolyzed in the four pyrolysis chambers and then is discharged from the discharging hole.
The sludge channel is pushed by the spiral propeller, the pushing speed of each group of propellers can be respectively controlled, the residence time of the sludge in different sections can be respectively controlled by utilizing the capacity of the channel, and the total residence time of the organic sludge is controlled to be 45 minutes.
Each pyrolysis chamber is respectively provided with a combustion head, different temperatures of each section can be set according to different characteristics of materials, and the pyrolysis process is controlled; the temperatures of the first pyrolysis chamber 1, the second pyrolysis chamber 2, the third pyrolysis chamber 3 and the fourth pyrolysis chamber 4 are respectively controlled at 100 ℃, 300 ℃, 450 ℃ and 650 ℃.
The pyrolysis gas pipeline is positioned in the heat preservation layer of the pyrolysis furnace, the temperature of the pipeline is kept at 350 ℃ by the furnace body, so that a small amount of generated tar is kept in a liquid state and a gaseous state, and pyrolysis gas directly enters the pyrolysis chamber 4 to be combusted and then recovers heat.
The weight of the sludge after pyrolysis is reduced by 80%, the pyrolysis product mainly comprises carbon and inorganic matters, the energy is basically self-supplied, and only a small amount of heat is supplemented by natural gas.
Claims (4)
1. Organic sludge pyrolysis oven, characterized by: the furnace body is internally provided with an upper pyrolysis chamber and a lower pyrolysis chamber, each pyrolysis chamber comprises a gas heating channel and a sludge channel which are independent and not communicated, and each pyrolysis chamber, each gas heating channel and each sludge channel are communicated end to form an s shape; a feed inlet is formed at one end of the first sludge channel in the uppermost first pyrolysis chamber, and a discharge outlet is formed at one end of the last sludge channel in the lowermost last pyrolysis chamber; an air outlet is formed in one end of a first fuel gas heating channel in the first pyrolysis chamber; each fuel gas heating channel is internally provided with a combustion head which is communicated with a natural gas supply pipeline and an air supply pipeline; the inner upper part of each sludge channel is communicated with the inlet of a pyrolysis gas pipeline, the outlet of the pyrolysis gas pipeline is communicated with a pyrolysis gas combustion head arranged in the last fuel gas heating channel in the last pyrolysis chamber, and the pyrolysis gas combustion head is also communicated with an air supply pipeline; and a spiral propeller which pushes the sludge fed from the feed inlet to the discharge outlet is arranged in each sludge channel.
2. The organic sludge pyrolysis furnace of claim 1, wherein: the air outlet is connected with a fan for exhausting air of the fuel gas heating channel.
3. The organic sludge pyrolysis furnace of claim 1, wherein: the pyrolysis gas pipeline is positioned inside the furnace body.
4. The organic sludge pyrolysis furnace of claim 1, wherein: an inner vertical plate which divides the last gas heating channel into a left combustion chamber and a right combustion chamber which are communicated is arranged in the last gas heating channel, and the right combustion chamber is communicated with a penultimate gas heating channel in a penultimate pyrolysis chamber; the pyrolysis gas combustion head is positioned in the left combustion chamber, and the right combustion chamber is provided with the combustion head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995221.XA CN110606637A (en) | 2019-10-18 | 2019-10-18 | Organic sludge pyrolysis furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910995221.XA CN110606637A (en) | 2019-10-18 | 2019-10-18 | Organic sludge pyrolysis furnace |
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| CN110606637A true CN110606637A (en) | 2019-12-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201240980Y (en) * | 2008-05-26 | 2009-05-20 | 徐长忠 | Organic sludge resource conversion apparatus |
| CN104312600A (en) * | 2014-10-14 | 2015-01-28 | 北京北宇机械设备有限公司 | Sludge pyrolysis and gasification treatment process and sludge pyrolysis and gasification treatment system |
| CN206244626U (en) * | 2016-12-05 | 2017-06-13 | 北京中源环保工程有限公司 | Pyrolyzing sludge device |
| CN107098560A (en) * | 2017-06-19 | 2017-08-29 | 重庆航天机电设计院 | Sludge, greasy dirt are combined pyrolysis system |
| CN108164113A (en) * | 2018-01-15 | 2018-06-15 | 东南大学 | Wing formula sludge tubular type pyrolysis reactor |
| CN210885744U (en) * | 2019-10-18 | 2020-06-30 | 南京永禾环保工程有限公司 | Organic sludge pyrolysis furnace |
-
2019
- 2019-10-18 CN CN201910995221.XA patent/CN110606637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201240980Y (en) * | 2008-05-26 | 2009-05-20 | 徐长忠 | Organic sludge resource conversion apparatus |
| CN104312600A (en) * | 2014-10-14 | 2015-01-28 | 北京北宇机械设备有限公司 | Sludge pyrolysis and gasification treatment process and sludge pyrolysis and gasification treatment system |
| CN206244626U (en) * | 2016-12-05 | 2017-06-13 | 北京中源环保工程有限公司 | Pyrolyzing sludge device |
| CN107098560A (en) * | 2017-06-19 | 2017-08-29 | 重庆航天机电设计院 | Sludge, greasy dirt are combined pyrolysis system |
| CN108164113A (en) * | 2018-01-15 | 2018-06-15 | 东南大学 | Wing formula sludge tubular type pyrolysis reactor |
| CN210885744U (en) * | 2019-10-18 | 2020-06-30 | 南京永禾环保工程有限公司 | Organic sludge pyrolysis furnace |
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