CN107098560A - Sludge, greasy dirt are combined pyrolysis system - Google Patents
Sludge, greasy dirt are combined pyrolysis system Download PDFInfo
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- CN107098560A CN107098560A CN201710472330.4A CN201710472330A CN107098560A CN 107098560 A CN107098560 A CN 107098560A CN 201710472330 A CN201710472330 A CN 201710472330A CN 107098560 A CN107098560 A CN 107098560A
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- pyrolysis
- pyrolysis oven
- gas
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- flue gas
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 122
- 239000010802 sludge Substances 0.000 title claims abstract description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003546 flue gas Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 31
- 239000000567 combustion gas Substances 0.000 claims abstract description 27
- 239000003517 fume Substances 0.000 claims abstract description 23
- 235000019198 oils Nutrition 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims abstract description 7
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 235000019476 oil-water mixture Nutrition 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims abstract description 5
- 238000010926 purge Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 238000003837 high-temperature calcination Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 206010020741 Hyperpyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002699 waste material Substances 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
- 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
- C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
-
- 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
-
- 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
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
- C10B57/045—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing mineral oils, bitumen, tar or the like or mixtures thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/06—Vacuum distillation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/001—Purifying combustible gases containing carbon monoxide working-up the condensates
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Sludge (AREA)
Abstract
Pyrolysis system is combined the invention discloses a kind of sludge, greasy dirt, sealing feeding chamber is located at the top of compound pyrolysis oven, while importing compound pyrolysis oven, carries out nitrogen purging；Preheating furnace section and pyrolysis oven section are installed in compound pyrolysis oven；The smelly steam produced in compound pyrolysis oven, is pumped to water vapor condenser, and the foul smell after dehydration imports high-temperature calcination in fume generating furnace；The high temperature pyrolysis gas produced in compound pyrolysis oven, is pumped to combustion gas deduster, imports pyrolysis oil condenser, then by knockout drum, oil-water mixture is separated through oily-water seperating equipment, then is pumped into tar in compound pyrolysis oven by returning spray pump；The Low Temperature Thermal that knockout drum is isolated after gas cleaning device, combustion gas gas water separation tank, then by combustion gas liquid packing after, into fume generating furnace burning processing, the high-temperature flue gas of generation uses as compound pyrolysis oven heat supply.Pyrolytic process is improved, the utilization of resources is more reasonable, and pyrolysis gas quantum of output is more abundant, utilization efficiency of heat energy is more preferable, environmental protection and energy saving.
Description
Technical field
The invention belongs to organic solid castoff processing equipment technical field, and in particular to sludge, greasy filth class organic solid
The compound pyrolysis system of discarded object.
Background technology
House refuse species of the pyrolysis oven produced by for handling in house refuse, people's daily life is various, composition is multiple
Miscellaneous, the integrated treatment of house refuse adheres to the principle progress of " minimizing, innoxious and recycling ".First rubbish is classified,
Wherein the solid refuse containing toxic component needs to enter back into fume generating furnace burning after pyrolysis oven removes toxic component.Pass
The pyrolytic technique method of system is in the presence of a large amount of pyrolysis oil product outputs, pyrolysis gas yield is low, be pyrolyzed the direct Air-pollution From Combustion of oil product greatly
Drawback, while being pyrolyzed oil product complicated, it is impossible to the problems such as specification is merchandised, can not directly discharged, seriously constrains life
The processing and recycling of rubbish.
The content of the invention
The present invention is intended to provide a kind of compound pyrolysis system for being exclusively used in sludge, oily waste treatment, improves pyrolytic process, overcomes
The drawbacks of in traditional single pyrolysis processing, the energy in sludge, greasy filth is more converted into high heating value combustion gas, avoid simultaneously
The reprocessing of oil product unqualified, that standardization transaction can not be carried out；Realize sludge, greasy filth carbonization treatment than burning disposal pollutant
Discharge lower, recycling more reasonable.
Therefore, the technical solution adopted in the present invention is：A kind of sludge, greasy dirt are combined pyrolysis system, including sealing charging
Storehouse, compound pyrolysis oven, combustion gas deduster, pyrolysis oil condenser, knockout drum, oily-water seperating equipment, water vapor condenser, condensation
Water automatic-discharging device, fume generating furnace, gas cleaning device, combustion gas gas water separation tank, combustion gas surge tank and cold carbon discharging machine, institute
The top that sealing feeding chamber is located at compound pyrolysis oven is stated, material is uniformly introduced by the same of compound pyrolysis oven by spiral discharging mechanism
When, carry out nitrogen purging isolation oxygen；Be horizontally installed with successively from top to bottom in the compound pyrolysis oven preheating furnace section and at least
The high-temperature flue gas that heating medium in three pyrolysis oven sections, compound pyrolysis oven is exported from fume generating furnace；In compound pyrolysis oven
The smelly steam produced, is pumped to water vapor condenser cooling, the condensed water automatic-discharging device discharge of condensation moisture, after dehydration
Incoagulability foul smell imports high-temperature calcination in fume generating furnace；The high temperature pyrolysis gas produced in compound pyrolysis oven, is pumped to combustion gas and removes
After dirt device dedusting, pyrolysis oil condenser cooling is imported, then pass through oil-water mixture and combustibility that knockout drum is divided into liquid
Low Temperature Thermal, oil-water mixture isolates oil product through oily-water seperating equipment, then is pumped into compound pyrolysis oven by returning spray pump by oil product
Interior high-temperature calcination, Low Temperature Thermal is handled through gas cleaning device, combustion gas gas water separation tank dehydration after, stored by combustion gas surge tank
Product, then by combustion gas liquid packing after, into fume generating furnace burning processing, the high-temperature flue gas of generation is used as compound pyrolysis oven heat supply
Use；The low-temperature flue gas that compound pyrolysis fire grate is removed, accesses smoke stack emission by the road；The pyrocarbon of compound pyrolysis oven output imports cold
Carbon discharging machine is down to discharged at lower temperature.
As the preferred of such scheme, preheating furnace section and pyrolysis oven Duan Jun in the compound pyrolysis oven include helical feed
Device and flue gas chuck, flue gas chuck are enclosed on outside auger conveyor, and the flue gas chuck is made up of high temperature resistant heat insulation material, is conducive to
Raising system utilization efficiency of heat energy；All auger conveyors convey material using relay mode and make thing in the compound pyrolysis oven
Expect that landline is serpentine-like；The high-temperature flue gas that the fume generating furnace is produced is passed through the flue gas chuck of last pyrolysis oven section
Interior, high-temperature flue gas sequentially passes through each flue gas chuck with the reflux type opposite with material landline.
Further, the auger conveyor is by heating pipe, screw conveyor shaft and the spiral being installed in outside screw conveyor shaft
Conveying blade is constituted, and every helical feed the tip of the axis is provided with light bar segment and reverse acting spiral.
In addition, high-temperature flue gas unnecessary in the fume generating furnace is used for sludge or the desiccation of greasy dirt front end.
Above-mentioned sludge, greasy dirt are combined pyrolysis system, in addition to cooling tower, cooling water circulating pump and cooling water circulation pipe
The cooling water recirculation system that road is constituted, cooling water is provided for water vapor condenser, pyrolysis oil condenser and cold carbon discharging machine.
Equipped with auxiliary fuel burners and pyrolysis air burner on the fume generating furnace, it is combined pyrolysis system cold and rises
Heat needed for stove, is provided by auxiliary fuel burners burning auxiliary fuel.
Beneficial effects of the present invention：Pyrolytic process is improved, recycling is more reasonable, and pyrolysis gas quantum of output is more abundant, heat
More preferably, system output object can directly be discharged and need not reprocessed energy utilization ratio, environmental protection and energy saving.
Brief description of the drawings
Fig. 1 is system composition schematic diagram of the invention.
Fig. 2 is the structural representation of compound pyrolysis oven in the present invention.
Embodiment
Below by embodiment and with reference to accompanying drawing, the invention will be further described：
As shown in figure 1, a kind of sludge, greasy dirt are combined pyrolysis system, mainly by sealing feeding chamber 1, compound pyrolysis oven 2, combustion
Gas deduster 3, pyrolysis oil condenser 4, knockout drum 5, oily-water seperating equipment 6, water vapor condenser 7, condensed water automatic-discharging
Device 8, fume generating furnace 9, gas cleaning device 10, combustion gas gas water separation tank 11, combustion gas surge tank 12, nitrogen supply (NS) pipe 13, combustion
Gas liquid packing 14, chimney 15, cooling tower 16, cooling water circulating pump 17, cold carbon discharging machine 18 and various pipelines composition.
The top that feeding chamber 1 is located at compound pyrolysis oven 2 is sealed, material is uniformly introduced by compound thermal by spiral discharging mechanism
While solving stove 2, nitrogen purging oxygen barrier is carried out.Raw material is dewatered sludge or greasy filth (moisture content ＜ 60%), is entered through closed lifting
Expect equipment, charging to boiler roof sealing feeding chamber.
With reference to shown in Fig. 1, Fig. 2, preheating furnace section and at least three are horizontally installed with compound pyrolysis oven 2 successively from top to bottom
Pyrolysis oven section.The high-temperature flue gas that heating medium in compound pyrolysis oven 2 is exported from fume generating furnace 9.The horizontal cloth of all stove sections
Put, to make full use of the space of short transverse, reduce occupation area of equipment, and the push Load Balanced of each conveyor screw, profit
In improving equipment whole service life, four stove sections are integrated in same compound pyrolysis oven 2, public insulation construction, to greatest extent
Reduction equipment heat leakage, further increase the thermal efficiency.
Preheating furnace section and pyrolysis oven Duan Jun in compound pyrolysis oven 2 include auger conveyor 2a and flue gas chuck 2b, flue gas
Chuck 2b is enclosed on outside auger conveyor 2a, and all auger conveyor 2a convey material using relay mode and make material landline
Serpentine-like, i.e. the material of preheating furnace section end falls directly into the first pyrolysis oven section, and the material of the first pyrolysis oven section end directly falls
Enter the second pyrolysis oven section, the like, finally discharged again through discharging opening.
Flue gas chuck 2b is enclosed on outside auger conveyor 2a, forms the structure of inside and outside set, and material flows in heating pipe,
Flue gas flows in overcoat.The high-temperature flue gas that fume generating furnace 9 is produced is passed through in the flue gas chuck 2b of last pyrolysis oven section,
High-temperature flue gas sequentially passes through each flue gas chuck 2b with the reflux type opposite with material landline.
All flue gas chuck 2b are sequentially communicated to form snakelike exhaust gases passes, with thermal compensation effect, can ensure that and set again
Standby safe operation.High-temperature flue gas uses reflux type, to obtain larger driving force of heat transfer, so that the material of flowing is by entering
Go out to form the process gradually heated up, formed from the complete pyrolytic process that temperature gradually rises is preheating to, make each pyrolysis unit
Grading effect is more obvious.The advantage of flue gas adverse current is that required heat transfer area is small, while the consumption of heating medium can be saved.It is high
Flow direction of the warm flue gas in pyrolysis body of heater flue gas chuck, using the reflux type opposite with material landline, can make material (such as
Sludge) very high pyrolysis temperature is reached, promote to melt down interior oil product and high temperature sludge carbon pyrolysis reforming reaction, newly-generated a large amount of hyperpyrexias
The combustible gas of value, increases system generator yield.
Preheating furnace section carries out heat temperature raising, deep dehydration, drying to sludge or greasy filth, and pole dewatered sludge is discharged into heat automatically
Solve stove section；The smelly steam produced in preheating furnace section stove, by aerogenesis induced draft blower withdraws.First, second, third pyrolysis oven section is to sludge
Or greasy filth carries out continuous pyrolysis processing, while the 3rd pyrolysis oven has pyrolysis reformer function concurrently, the high-temperature catalytic heat of oil product is realized
Solution is reformed, and increases system combustion gas output；
Each section of pyrolysis temperature is different by sludge raw material, can process adjustments setting.Regulating and controlling the primary product after pyrolyzing sludge is
High temperature pyrolysis gas (gaseous state fugitive constituent) and high temperature sludge carbon, high temperature sludge carbon are introduced directly into cold carbon by the outlet of the 3rd pyrolysis oven section and gone out
In material machine 18, low-temperature safety discharge is cooled to.
Smelly steam pump orifice 2g and pyrolysis gas pump orifice 2h are provided with the body of heater of compound pyrolysis oven 2.Smelly steam pump orifice
2g and pyrolysis gas pump orifice 2h quantity are not limited, and smelly steam pump orifice 2g is preferably located at the same side of compound pyrolysis oven 2, in order to
Multiple smelly steam suction tubes are confluxed importing water vapor condenser 7 by respective collecting pipe respectively, are confluxed tubing beneficial to saving
Material consumption.Equally, pyrolysis gas pump orifice 2h is preferably also positioned at the same side of compound pyrolysis oven 2, in order to multiple pyrolysis gas outlets
Pipe confluxes to save collecting pipe material consumption respectively by respective collecting pipe.The two ends point of four stoves section of compound pyrolysis oven 2
It is not arranged on by bearing on the body of heater of compound pyrolysis oven 2, and shares same actuating unit.
Further, auger conveyor 2a is by heating pipe 2e, screw conveyor shaft 2c and is installed in outside screw conveyor shaft 2c
Spiral conveying blade 2d is constituted, and constitutes the conveyor screw for having axle.It is of course also possible to use shaftless conveyor screw.Further, when
During using the conveyor screw for having axle, every screw conveyor shaft 2c end is provided with light bar segment 2e and reverse acting spiral 2f, so as to
Helical feed section front set it is counter push away section, helical feed section and counter push away are formed with light bar segment between section, the light bar segment and convey spiral shell
The material outlet position of rotation is adapted, so that material is pushed out from upper level conveyor screw enters next stage conveyor screw, instead
Extruding of the material to front bearing block stuffing box in conveyor screw can be prevented effectively from by pushing away the setting of section, to improve bearing block filler
The sealed service life of case, so as to improve this equipment reliability of operation and service life.
The smelly steam produced in compound pyrolysis oven 2, is pumped to water vapor condenser 7 and cools down, the condensed water of condensation moisture
Automatic-discharging device 8 is discharged, and the foul smell after dehydration imports high-temperature calcination in fume generating furnace 9.
The high temperature pyrolysis gas produced in compound pyrolysis oven 2, is pumped to after the dedusting of combustion gas deduster 3, imports pyrolysis oil condensation
Device 4 cools, then passes through oil-water mixture and flammable Low Temperature Thermal that knockout drum 5 is divided into liquid, oil-water mixture warp
Oily-water seperating equipment 6 isolates oil product, then tar is pumped into pyrolysis reformation, oil product and high temperature in compound pyrolysis oven 2 by returning spray pump
Sludge carbon reforming reaction, newly-generated substantial amounts of combustible gas increases system generator yield.Low Temperature Thermal is through gas cleaning device
After 10 processing, combustion gas gas water separation tank 11 are dehydrated, accumulated by combustion gas surge tank 12, then pass through the security isolation of combustion gas liquid packing 14
Afterwards, handled into the burning of fume generating furnace 9, the high-temperature flue gas of generation is used as the compound heat supply of pyrolysis oven 2.Compound pyrolysis oven 2
The flue gas of interior generation, accesses chimney 15 and discharges by the road.
In addition, high-temperature flue gas unnecessary in fume generating furnace 9 is used for sludge or the desiccation of greasy dirt front end, front end energy consumption is reduced
Expense.
Above-mentioned sludge, greasy dirt are combined pyrolysis system, in addition to cooling tower 16, cooling water circulating pump 17 and cooling water are followed
The cooling water recirculation system that endless tube road is constituted, is water vapor condenser 7, pyrolysis oil condenser 4, the offer cooling of cold carbon discharging machine 18
Water.
Equipped with auxiliary fuel burners and pyrolysis air burner on fume generating furnace 9, pyrolysis system cold furnace lifting is combined
Required heat, is provided by auxiliary fuel burners burning auxiliary fuel.Systems stay is run, if the pyrolysis tolerance that sludge is produced
When not enough, aid fuel combustion heat supply support can be started；Pyrolysis gas output is enough to be available for system from when maintaining operation, automatic to close
Aid fuel combustion.
Claims (6)
1. a kind of sludge, greasy dirt are combined pyrolysis system, including sealing feeding chamber (1), compound pyrolysis oven (2), combustion gas deduster
(3), pyrolysis oil condenser (4), knockout drum (5), oily-water seperating equipment (6), water vapor condenser (7), condensed water are arranged automatically
Put device (8), fume generating furnace (9), gas cleaning device (10), combustion gas gas water separation tank (11) and combustion gas surge tank (12) and cold
Carbon discharging machine (18), it is characterised in that：The sealing feeding chamber (1) is located at the top of compound pyrolysis oven (2), passes through spiral discharging
While material is uniformly introduced compound pyrolysis oven (2) by mechanism, nitrogen purging is carried out；Arrived in the compound pyrolysis oven (2) from above
Under be horizontally installed with successively preheating furnace section and at least three pyrolysis ovens section, be combined pyrolysis oven (2) in heating medium come from flue gas
The high-temperature flue gas of producer (9) output；The smelly steam produced in compound pyrolysis oven (2), is pumped to water vapor condenser (7) cooling,
Condensed water automatic-discharging device (8) discharge of condensation moisture, the incoagulability foul smell after dehydration imports high in fume generating furnace (9)
Temperature calcining；The high temperature pyrolysis gas produced in compound pyrolysis oven (2), is pumped to after combustion gas deduster (3) dedusting, imports pyrolysis oil cooling
Condenser (4) cools, then is divided into by knockout drum (5) oil-water mixture and flammable Low Temperature Thermal of liquid, and profit is mixed
Close liquid and isolate oil product through oily-water seperating equipment (6), then the interior high-temperature catalytic heat of compound pyrolysis oven (2) is pumped into by returning spray pump by oil product
Solution is reformed, and increases system combustible gas output；Low Temperature Thermal is handled through gas cleaning device (10), combustion gas gas water separation tank (11)
After dehydration, by combustion gas surge tank (12) accumulate, then by combustion gas liquid packing (14) after, into fume generating furnace (9) burning processing,
The high-temperature flue gas of generation is used as compound pyrolysis oven (2) heat supply；The low-temperature flue gas of compound pyrolysis oven (2) discharge, connects by the road
Enter chimney (15) discharge；The pyrocarbon of compound pyrolysis oven (2) output imports cold carbon discharging machine (18) and is down to discharged at lower temperature.
2. sludge according to claim 1, greasy dirt are combined pyrolysis system, it is characterised in that：In the compound pyrolysis oven (2)
Preheating furnace section and pyrolysis oven Duan Jun include auger conveyor (2a) and flue gas chuck (2b), flue gas chuck (2b) is enclosed on spiral transferring
Send device (2a) outside, all auger conveyors (2a) are conveyed material and made material landline serpentine-like using relay mode；It is described
Fume generating furnace (9) produce high-temperature flue gas be passed through last pyrolysis oven section flue gas chuck (2b) in, high-temperature flue gas with
The opposite reflux type of material landline sequentially passes through each flue gas chuck (2b).
3. sludge according to claim 2, greasy dirt are combined pyrolysis system, it is characterised in that：The auger conveyor (2a)
By heating pipe (2e), screw conveyor shaft (2c) and it is installed in the spiral conveying blade (2d) of screw conveyor shaft (2c) outside and constitutes,
And the end of every screw conveyor shaft (2c) is provided with light bar segment (2e) and reverse acting spiral (2f).
4. sludge according to claim 1, greasy dirt are combined pyrolysis system, it is characterised in that：In the fume generating furnace (9)
Unnecessary high-temperature flue gas is used for sludge or the desiccation of greasy dirt front end.
5. sludge according to claim 1, greasy dirt are combined pyrolysis system, it is characterised in that：Also include cooling tower (16),
The cooling water recirculation system that cooling water circulating pump (17) and cooling water circulation pipeline are constituted, is water vapor condenser (7), pyrolysis oil
Condenser (4), cold carbon discharging machine (18) provide cooling water.
6. sludge according to claim 1, greasy dirt are combined pyrolysis system, it is characterised in that：On the fume generating furnace (9)
Equipped with auxiliary fuel burners and pyrolysis air burner, the heat needed for pyrolysis system cold furnace lifting is combined, by auxiliary fuel
Burner combustion auxiliary fuel is provided.
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| CN107676792A (en) * | 2017-10-31 | 2018-02-09 | 李玉坤 | Move back and forth scraper plate combined pyrolytic device |
| CN108911459A (en) * | 2018-09-18 | 2018-11-30 | 山东永进节能环保科技有限公司 | A kind of municipal sludge pyrolysis processing set technique and device |
| CN108977218A (en) * | 2018-09-20 | 2018-12-11 | 李东莱 | A kind of greasy filth/scrap rubber innocuity disposal system and its continuous separation device |
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| CN107676792A (en) * | 2017-10-31 | 2018-02-09 | 李玉坤 | Move back and forth scraper plate combined pyrolytic device |
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| CN113637491A (en) * | 2021-08-21 | 2021-11-12 | 浙江宜可欧环保科技有限公司 | Solid waste pyrolysis-oxidation cooperative disposal equipment |
| CN113955908A (en) * | 2021-09-17 | 2022-01-21 | 肖进彬 | Oil-containing resource treatment method |
| CN114017779A (en) * | 2021-10-12 | 2022-02-08 | 广州市凯卫莎环保科技有限公司 | Cracking reaction system and thermal cracking equipment thereof |
| CN114017779B (en) * | 2021-10-12 | 2023-09-12 | 广州市凯卫莎环保科技有限公司 | Cracking reaction system and thermal cracking equipment thereof |
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