CN209583941U - A kind of oily sludge pyrolysis processing process unit - Google Patents
A kind of oily sludge pyrolysis processing process unit Download PDFInfo
- Publication number
- CN209583941U CN209583941U CN201920081292.4U CN201920081292U CN209583941U CN 209583941 U CN209583941 U CN 209583941U CN 201920081292 U CN201920081292 U CN 201920081292U CN 209583941 U CN209583941 U CN 209583941U
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- screw conveyor
- pyrolysis oven
- oily sludge
- discharge port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 99
- 239000010802 sludge Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 86
- 238000001035 drying Methods 0.000 claims abstract description 54
- 238000003860 storage Methods 0.000 claims abstract description 50
- 238000005406 washing Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims description 61
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 19
- 239000000446 fuel Substances 0.000 claims description 18
- 239000003345 natural gas Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 230000007723 transport mechanism Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 239000008246 gaseous mixture Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 230000000505 pernicious effect Effects 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 7
- 229930195733 hydrocarbon Natural products 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 238000002679 ablation Methods 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000009671 shengli Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a kind of oily sludge pyrolysis processing process units, device, storage tank are roasted including pulverizer, screw conveyor I, interior heating rotary kiln drying machine, pyrolysis oven, condenser, screw conveyor II, storage bin, tar washing separator, flashback preventor, tail gas, pulverizer discharge port is connected by screw conveyor I with interior heating rotary kiln drying machine inlet；The lower discharge port of interior heating rotary kiln drying machine is connected with the feed inlet of storage bin；The tail gas outlet of interior heating rotary kiln drying machine is connected with tail gas roasting device air inlet, and storing bin discharge port external is connected by screw conveyor II with the feed inlet of pyrolysis oven；Pyrolysis oven exhaust outlet is connected with the feed inlet of tar washing separator；Tar washing separator discharge port is connected with feeding hole of pulverizer.The utility model has simple production process, and output object is in stable condition, without secondary pollution, realizes and handles the thorough innoxious closed circulation of oily sludge.
Description
Technical field
The utility model relates to a kind of oily sludge pyrolysis processing process unit, in particular to it is a kind of using pyrolytic process and
Device realizes oily sludge minimizing, innoxious, recycling that oil field, refinery factory and domestic sewage factory generate.
Background technique
In recent years, the processing of oily sludge is concerned.Landfill is generallyd use both at home and abroad, is given cultivated, compost, is concentrated drying
Burning, microbiological treatment reparation, chemosetting, chemical oxygen neutralizing chemical solvent cleaning, coagulation, separation of solid and liquid, high-temperature process etc.
Handle oily sludge；In addition, the utility model patent before the utility model people also discloses a kind of pyrolyzing sludge carbonization treatment
Technique and device can not handle oily sludge, generate the reason is that oily sludge has some pernicious gases in the drying process.
These methods are at high cost, easily cause secondary pollution, it is still necessary to technically further perfect.In short, all kinds of processing of oily sludge
Technology has its advantage and disadvantage, and there is an urgent need to further improve or develop new Treatment process.On the one hand oily sludge should be actively developed
The basic research of property, the method for finding optimization process oily sludge；On the other hand a variety of utilizations of oily sludge should actively be sought
Approach thoroughly solves its pollution problem.Oily sludge is innoxious, clean, resource treatment technique will become Treatment of Sludge skill
The inexorable trend of art development.In conjunction with China's national situation, it is also modern for developing the applicable technology of the sewage sludge harmlessness processing of economical rationality
Important developing direction afterwards.
Utility model content
The utility model provides a kind of oily sludge pyrolytic process device, and its object is to solve oily sludge disposition not
When caused secondary pollution, product is in stable condition, realizes the minimizing of disposal of oily sludge, innoxious, recycling；Technique
Device assembling is simple, easy to operate.
The utility model uses following technical scheme:
A kind of oily sludge pyrolysis processing process unit of the utility model, including pulverizer (2), screw conveyor I
(3), interior heating rotary kiln drying machine (4), pyrolysis oven (7), condenser (14), screw conveyor II (10), storage bin (11), coke
Oil wash separator (13), flashback preventor (17), tail gas roast device (19), storage tank (25),
Pulverizer (2) lower end is equipped with the screw conveyor I (3)；The discharge port of the pulverizer (2) passes through institute
Screw conveyor I (3) is stated to be connected with the feed inlet of the interior heating rotary kiln drying machine (4)；
The lower discharge port (12) of the interior heating rotary kiln drying machine is connected with the feed inlet of the storage bin (11)；Institute
It states storage bin (11) lower end and the screw conveyor II (10) is installed；
The tail gas outlet (1) and the tail gas of the top setting of the interior heating rotary kiln drying machine (4) roast device
(19) air inlet is connected, and the tail portion of the interior heating rotary kiln drying machine (4) is equipped with hot-blast stove (15), the hot-blast stove
(15) furnace tail is equipped with burner one (18)；
Storage bin (11) discharge port passes through the feed inlet of the screw conveyor II (10) and the pyrolysis oven (7)
It is connected；
The pyrolysis oven exhaust outlet (9) being arranged above the pyrolysis oven (7) and the tar wash separator (13)
Feed inlet is connected；
Tar washing separator (13) bottom discharge port is connected with the feed inlet of the pulverizer (2), the coke
Oil wash separator (13) top vent is connected with the condenser (14) air inlet, condenser (14) gas outlet with
Flashback preventor (17) air inlet is connected；It exports under the condenser (14) and is connected with the reservoir inlet；
Flashback preventor (17) gas outlet is connected with the air inlet of the burner one (18).
The pyrolysis oven (7) is the rotary kiln of external heating type, and heating furnace (6) are arranged with outside the rotary kiln body；
Heating furnace (6) bottom is equipped with multiple burners two (24)；
The burner two (24) is the cell burner used for the heating furnace (6)；
The air inlet of the burner two (24) is connected with natural gas or fuel inlet (20)；The natural gas or fuel oil
Import (20) is equipped with valve；
Above the heating furnace (6) air exit (5) being arranged above the heating furnace (6) and the hot-blast stove (15)
The hot-blast stove air inlet (16) of setting is connected.
Storage bin (11) discharge port is connected to screw conveyor II (10) feed inlet, the screw conveyor II
(10) discharge port is connected to the feed inlet of the pyrolysis oven (7), the oil-containing after storage drying is maintained in the storage bin (11)
The feed inlet that sludge material seals the pyrolysis oven (7) prevents air from entering.
The screw conveyor II (10) is closed transport mechanism.
The utility model also provides a kind of oily sludge pyrolytic process method, comprising the following steps:
(1) crush: the oily sludge (21) by moisture content less than 60% is delivered in the pulverizer (2) and carries out
It crushes, being crushed to partial size is 10mm or less；
(2) it dries: the smashed oily sludge (21) of step (1) is delivered to through the screw conveyor one (3)
It is dried, is dried into after oily sludge siccative of the moisture content lower than 20% through institute in the interior heating rotary kiln drying machine (4)
The lower discharge port (12) for stating interior heating rotary kiln drying machine, which is delivered in the storage bin (11), to store for future use；
Interior heating rotary kiln drying machine (4) drying temperature is 110 DEG C~140 DEG C, and drying time is 40~60 points
Clock；
(3) it is pyrolyzed: the oily sludge siccative in storage bin (11) described in step (2) is passed through into the screw conveyor II
(10) closing, which is delivered in the pyrolysis oven (7), is pyrolyzed, and the furnace body outer cover of the pyrolysis oven (7) is equipped with the heating
Furnace (6), it is 500 DEG C~900 DEG C that the heating furnace (6), which maintains the in-furnace temperature of the pyrolysis oven (7),；In the storage bin (11)
Oily sludge siccative material after maintaining storage drying seals the feed inlet of the pyrolysis oven (7), the screw conveyor II (10)
For closed transport mechanism, high temperature anaerobic state of the oily sludge siccative in the pyrolysis oven (7) issues heat solution, main
Wanting product is the mixture (23) of gaseous mixture and solid carbon, and the mixture (23) of the solid carbon is from the pyrolysis oven (7)
Outside pyrolysis oven discharge port (8) discharger of lower part, the gaseous mixture is from the pyrolysis oven above the pyrolysis oven (7)
(7) exhaust outlet (9) is discharged into tar washing separator (13)；
(4) it separates: the gaseous mixture generated in pyrolysis oven (6) described in step (3) is washed in the tar
Washing separation is carried out in separator (13), the gaseous state light component that tar washing separator (13) is isolated is by the condensation
Device (14) condensation rear portion is transformed into liquid and enters in the storage tank (25), condensed one in the condenser (14)
Gas is divided to be passed through in the burner one (18) of the hot-blast stove (15) through the flashback preventor (17) as fuel, as
Fuel combustion is interior heating rotary kiln drying machine (4) heating, the solid-state weight that tar washing separator (13) is isolated
Component, which is delivered in the pulverizer (2) of step (1) to carry out crushing with the oily sludge, to be continued in this system at circulation
Reason.
The gaseous mixture of pyrolysis oven (7) output described in the step (3) mainly contains vapor, contains hydrocarbon pyrolysis
Gas, tar and dust；The mixture (23) of the solid carbon of pyrolysis oven (7) output mainly contains the heavy metal being cured；Institute
Stating the gaseous state light component that the washing of tar described in step (4) separator (13) is isolated includes vapor, pyrolysis gas；It is described
The solid-state heavy constituent that tar washing separator (13) is isolated includes tar, residue；Liquid after condenser (14) condensation
The primary naphtha that body is C6~C22 is spare into storage in the storage tank (10) as the primary raw material of petrol and diesel oil；It is described cold
It is the pyrolysis oven (7) heating that the gas of condenser (14) discharge, which contains a large amount of hydrocarbon pyrolysis gas as fuel combustion,.
In step (3), the flue gas generated in heating furnace (6) heating process is imported in hot-blast stove (15), by described
Burner one (18) burning, pernicious gas in the hot-blast stove (15) are cleaned under high temperature action, and generated hot wind is
Interior heating rotary kiln drying machine (4) heating；The tail gas that the interior heating rotary kiln drying machine (4) generates is by interior heating rotary kilning
The tail gas outlet (1) of dry machine (1) is drained into after described tail gas roasting device (19) high temperature ablation again through dedusting, desulfurization
It is discharged after processing.
The advantages of the utility model, is as follows:
With simple production process, output object is in stable condition, without secondary pollution；The utility model is by the pulverizer lower end
The screw conveyor I is installed, structure is simple, cost reduces, installation operation simplifies.The utility model whole system constitutes closing
Circulating treating system, to oily sludge Non-oxygen pyrolytic processing while, formed oily sludge pyrolysis processing tail gas closing follow
Ring processing system by purifying to the tail gas separation, condensation, closed circuit burning, recycles several steps, realizes to oily sludge
Thorough harmless treatment, and save the burning cost of interior heating rotary kiln drying machine, pyrolysis oven.Increase in the present invention
Tar washing separator, condenser, tail gas roast device, it is therefore prevented that some pernicious gases of oily sludge in the drying process produce
It is raw.The tail gas of internal heating rotary kiln drying machine discharge realizes the minimizing, harmless of Treatment of Sludge through tail gas roasting device processing
Change, recycling.
Detailed description of the invention:
Fig. 1 is the utility model oily sludge pyrolysis processing process unit schematic diagram；
Wherein, 1- tail gas outlet, 2- pulverizer, heating rotary kiln drying machine in 3- screw conveyor I, 4-, 5- heating
Furnace air exit 6- heating furnace, 7- pyrolysis oven, 8- pyrolysis oven discharge port, 9- pyrolysis oven exhaust outlet, 10- screw conveyor II,
11- storage bin, the lower discharge port of heating rotary kiln drying machine in 12-, 13- tar wash separator, 14- condenser, 15- hot wind
Furnace, 16- hot-blast stove air inlet, 17- flashback preventor, 18- burner one, 19- tail gas roast device, 20- natural gas or fuel oil into
Mouthful, 21- oily sludge, 22- is the tail gas up to standard of discharge, the mixture of 23- solid carbon, 24- burner two, 25- storage tank.
Specific embodiment:
Specific embodiments of the utility model will be further explained with reference to the accompanying drawing, but the utility model and unlimited
In following description:
Referring to Fig. 1, a kind of oily sludge pyrolysis processing process unit of the utility model, including pulverizer 2, helical feed
Machine I3, interior heating rotary kiln drying machine 4, pyrolysis oven 7, condenser 14, screw conveyor II 10, storage bin 11, tar washing point
Device 19, storage tank 25 are roasted from device 13, flashback preventor 17, tail gas；
2 lower end of pulverizer is equipped with the screw conveyor I 3；The discharge port of the pulverizer 2 passes through the spiral shell
Rotation conveyer I 3 is connected with the feed inlet of the interior heating rotary kiln drying machine 4；
The lower discharge port 12 of the interior heating rotary kiln drying machine is connected with the feed inlet of the storage bin 11；The storage
11 lower end of feed bin is equipped with the screw conveyor II 10；
The tail gas outlet 1 and the tail gas of the top setting of the interior heating rotary kiln drying machine 4 roast 19 air inlet of device
Mouth is connected, and the tail portion of the interior heating rotary kiln drying machine 4 is equipped with hot-blast stove 15, and the furnace tail of the hot-blast stove 15 is equipped with burning
Device 1；
11 discharge port of storage bin is connected by the screw conveyor II 10 with the feed inlet of the pyrolysis oven 7；
The feed inlet of the pyrolysis oven exhaust outlet 9 being arranged above the pyrolysis oven 7 and tar washing separator 13
It is connected；
Tar washing 13 bottom discharge port of separator is connected with the feed inlet of the pulverizer 2, and the tar is washed
It washs 13 top vent of separator to be connected with 14 air inlet of condenser, 14 gas outlet of condenser and the tempering
17 air inlet of flame-retardant device is connected；The lower outlet of the condenser 14 is connected with the reservoir inlet；
17 gas outlet of flashback preventor is connected with the air inlet of the burner 1.
The pyrolysis oven 7 is the rotary kiln of external heating type, is arranged with heating furnace 6 outside the rotary kiln body；
6 bottom of heating furnace is equipped with multiple burners 2 24；
The burner 2 24 is the cell burner used for the heating furnace 6；
The air inlet of the burner 2 24 is connected with natural gas or fuel inlet 20；The natural gas or fuel inlet
20 are equipped with valve；
6 air exit 5 of the heating furnace being arranged above the heating furnace 6 and the hot wind being arranged above the hot-blast stove 15
Furnace air inlet 16 is connected.
11 discharge port of storage bin is connected to 10 feed inlet of screw conveyor II, the screw conveyor II 10
Discharge port is connected to the feed inlet of the pyrolysis oven 7, the oily sludge material envelope after storage drying is maintained in the storage bin 11
The feed inlet of the pyrolysis oven 7 prevents air from entering.
The screw conveyor II 10 is closed transport mechanism.
In above-mentioned technical proposal, the screw(-type) feeder II, it is while to play sealing for conveying oily sludge
Effect；To prevent air from entering stove, pyrolytic reaction is influenced.
In above-mentioned technical proposal, the interior heating rotary kiln drying machine, it is for carrying out baking early period to oily sludge
It is dry, so that sludge water content is down to 20% hereinafter, convenient for pyrolysis；Whole process is carried out under closed environment, and discharge outlet temperature is 100
DEG C~140 DEG C between, ingredient be vapor, dust and a small amount of pernicious gas, after pernicious gas is fired device high temperature ablation,
The qualified discharge after dedusting, desulfurization process again, does not generate pollution to environment.
In above-mentioned technical proposal, the roasting device, it is for roasting pernicious gas.Pernicious gas is in high temperature ablation
It thoroughly decomposes down, not recontamination environment.
In above-mentioned technical proposal, the storage bin, it is the sludge after storing drying, enters external heat to sludge
Play the role of a buffering and material envelope before formula pyrolysis oven.
In above-mentioned technical proposal, the pyrolysis oven is external heating type pyrolysis oven, it is by externally heated oven and rotary kiln structure
At effect is that the oily sludge after drying is carried out pyrolysis carbonization.The fuel of externally heated oven is natural gas or fuel oil, passes through combustion
Burner heats rotary kiln, and the tail gas of generation is sent into hot-blast stove and carries out secondary ablation.When pyrolysis in-furnace temperature reaches 500 DEG C or more
When, the drying oily sludge of storage bin is sent into rotary kiln by the screw conveyor of lower section and is pyrolyzed.Having in greasy filth
For machine ingredient under the oxygen barrier state of high temperature, a part generates gas, by purification, uses as fuel heat supply wind furnace.Another part
The mixture of stable carbon is generated, the heavy metal in oily sludge is sintered wherein, should not be precipitated.The product, which can be used as, to be built
Materials'use is built, secondary pollution is eliminated, realizes minimizing, innoxious, recycling.
In above-mentioned technical proposal, the heating furnace, it is arranged for the external heating for pyrolysis oven.Due to containing
Greasy dirt pyrolysis is realized under anaerobic state, so carrying out external heating to pyrolysis oven.
In above-mentioned technical proposal, the tar washs separator, it is pyrolyzed external heating type in carbide furnace containing greasy dirt
Gas, dust and the tar that mud generates carry out washing separation, and the gas after washing is used as fuel heat supply wind furnace；It isolates
Recombination is distributed to pulverizer and crushes jointly with fresh oily sludge, carries out secondary pyrolysis.
In above-mentioned technical proposal, the burner two, it is a kind of cell burner used for heating furnace；It can
Natural gas or diesel oil is used alone, natural gas and diesel oil can also be used simultaneously；
Hot-blast stove as described in the above technical scheme, it is the pernicious gas occurred in ablation device, while will be produced
Raw heat directly feeds heat drying kiln in drum-type and uses, and eliminates pollution, saves the energy.
Pulverizer described in the utility model, screw(-type) feeder, interior heating rotary kiln drying machine, heating furnace, external heating type
Pyrolysis oven, screw conveyor, screw conveyor I, storage bin, hot-blast stove, tar wash separator, burner, screw conveyor
II is ordinary commercial products.
A kind of process of oily sludge pyrolysis processing of the utility model, process is referring to as shown in Figure 1, include following
Step:
A kind of oily sludge pyrolytic process method, comprising the following steps:
(1) it crushes: the oily sludge 21 of the moisture content less than 60% being delivered in the pulverizer 2 and is crushed,
Being crushed to partial size is 10mm or less；
(2) it dries: the smashed oily sludge 21 of step (1) being delivered to through the screw conveyor 1 described
Dried in interior heating rotary kiln drying machine 4, be dried into moisture content lower than 20% oily sludge siccative after through it is described it is interior plus
The lower discharge port 12 of hot rotary kiln dryer is delivered in the storage bin 11 and stores for future use；
Interior 4 drying temperature of heating rotary kiln drying machine is 110 DEG C~140 DEG C, and drying time is 40~60 minutes；
(3) it is pyrolyzed: the oily sludge siccative in storage bin 11 described in step (2) is passed through into the screw conveyor II
10 closings, which are delivered in the pyrolysis oven 7, to be pyrolyzed, and the furnace body outer cover of the pyrolysis oven 7 is equipped with the heating furnace 6, described
It is 500 DEG C~900 DEG C that heating furnace 6, which maintains the in-furnace temperature of the pyrolysis oven 7,；Storage drying is maintained in the storage bin 11
Oily sludge siccative material afterwards seals the feed inlet of the pyrolysis oven 7, and the screw conveyor II 10 is closed transport mechanism,
High temperature anaerobic state of the oily sludge siccative in the pyrolysis oven 7 issues heat solution, and primary product is gaseous mixture
With the mixture 23 of solid carbon, the mixture 23 of the solid carbon is discharged from the pyrolysis oven discharge port 8 of 7 lower part of pyrolysis oven to be filled
Outside setting, the gaseous mixture is discharged into the tar washing from 7 exhaust outlet 9 of the pyrolysis oven above the pyrolysis oven 7
In separator 13；
(4) it separates: by the gaseous mixture generated in pyrolysis oven 7 described in step (3) in tar washing point
From washing separation is carried out in device 13, the gaseous state light component that the tar washing separator 13 is isolated is cold by the condenser 14
Solidifying rear portion is transformed into liquid and enters in the storage tank 25, and condensed a part of gas is returned through described in the condenser 14
Fiery flame-retardant device 17 is passed through in the burner 1 of the hot-blast stove 15 as fuel, is to add in described as fuel combustion
Hot rotary kiln dryer 4 heats, and the solid-state heavy constituent that the tar washing separator 13 is isolated is delivered to the described of step (1)
Crush with the oily sludge in pulverizer 2 and continues the circular treatment in this system.
The gaseous mixture of 7 output of pyrolysis oven described in the step (3) mainly contains vapor, contains hydrocarbon pyrolysis
Gas, tar and dust；The mixture 23 of the solid carbon of 7 output of pyrolysis oven mainly contains the heavy metal being cured；The step
Suddenly the gaseous state light component that the washing of tar described in (4) separator 13 is isolated includes vapor, pyrolysis gas；The tar is washed
Washing the solid-state heavy constituent that separator 13 is isolated includes tar, residue；14 condensed liquid of condenser is C6~C22
Primary naphtha as petrol and diesel oil primary raw material it is spare enter the storage tank 10 in store；The gas that the condenser 14 is discharged
It is the pyrolysis oven 7 heating that body, which contains a large amount of hydrocarbon pyrolysis gas as fuel combustion,.
In step (3), the flue gas generated in 6 heating process of heating furnace is imported in hot-blast stove 15, passes through the burning
Device 1 burns in the hot-blast stove 15, and pernicious gas is cleaned under high temperature action, and generated hot wind is interior heats back
Rotary kiln dryer 4 heats；The tail gas that the interior heating rotary kiln drying machine 4 generates is as described in interior heating rotary kiln drying machine 1
Tail gas outlet 1 discharges after dedusting, desulfurization process again after being drained into the tail gas roasting 19 high temperature ablation of device.
The utility model method and apparatus are specifically described below with reference to specific embodiment:
Embodiment 1:
Pulverizer model SDF300-2 used in the embodiment, screw conveyor I model SL280-2, spiral
Conveyer II model SL250-3, screw conveyor model SL200/3-3, heating furnace model SRL6, interior heating rotary kiln
Dryer model SG1200-11, external heating type pyrolysis oven model SR800/1200-8, storage bin model SC12, heat
Wind furnace model SRL12000, tar wash separator model SX10-2, burner model STAR -500.
The oily sludge of processing is 1t/h, and for the oily sludge that Shengli Oil Field is formed, wherein oily sludge contains toxic
Heavy metal copper, zinc, lead, cadmium, nickel, chromium, arsenic, mercury content be respectively 60.27mg/kg, 3176mg/kg, 40.86mg/kg, not
Detection, 46.42mg/kg, is not detected 223.2mg/kg, 103.7mg/kg.(as shown in table 1) is through the utility model following methods
It is handled:
(1) it crushes: the oily sludge 21 of the moisture content less than 60% being delivered in the pulverizer 2 and is crushed,
Being crushed to partial size is 10mm or less；
(2) it dries: the smashed oily sludge 21 of step (1) being delivered to through the screw conveyor 1 described
Dried in interior heating rotary kiln drying machine 4, be dried into moisture content lower than 20% oily sludge siccative after through it is described it is interior plus
The lower discharge port 12 of hot rotary kiln dryer is delivered in the storage bin 11 and stores for future use；
Interior 4 drying temperature of heating rotary kiln drying machine is 110 DEG C~140 DEG C, and drying time is 40~60 minutes；
(3) it is pyrolyzed: the oily sludge siccative in storage bin 11 described in step (2) is passed through into the screw conveyor II
10 model SL3250-3 closing, which is delivered in the pyrolysis oven 7, to be pyrolyzed, and the furnace body outer cover of the pyrolysis oven 7 is equipped with
The heating furnace 6, it is 500 DEG C~900 DEG C that the heating furnace 6, which maintains the in-furnace temperature of the pyrolysis oven 7,；The oily sludge is dry
Expect that the high temperature anaerobic state in the pyrolysis oven 7 issues heat solution, primary product is the mixing of gaseous mixture and solid carbon
Object 23, the mixture 23 of the solid carbon is from the thermal decomposition coke oven discharge port 8 of 7 lower part of pyrolysis oven through screw conveyor model
Outside for 3 discharger of SL200/3-, the gaseous mixture is from 7 exhaust outlet of the pyrolysis oven, 9 row above the pyrolysis oven 7
Enter in tar washing separator 13 out；
(4) it separates: by the gaseous mixture generated in pyrolysis oven 7 described in step (3) in tar washing point
From washing separation is carried out in device 13, the gaseous state light component that the tar washing separator 13 is isolated is cold by the condenser 14
Solidifying rear portion is transformed into liquid and enters in the storage tank 25, and condensed a part of gas is returned through described in the condenser 14
Fiery flame-retardant device 17 is passed through in the burner 1 of the hot-blast stove 15 as fuel, is to add in described as fuel combustion
Hot rotary kiln dryer 4 heats, and the solid-state heavy constituent that the tar washing separator 13 is isolated is delivered to the described of step (1)
Crush with the oily sludge in pulverizer 2 and continues the circular treatment in this system.
The gaseous mixture of 7 output of pyrolysis oven described in the step (3) mainly contains vapor 20%, containing hydro carbons
Pyrolysis gas 45%, tar 2% and dust 0.7%；The mixture about 32.3% of the solid carbon of 7 output of pyrolysis oven, heavy metal
It is cured wherein；
The gaseous state light component that the washing separator 13 of tar described in the step (4) is isolated includes vapor and heat
It vents one's spleen and accounts for about 88.6%；The solid-state heavy constituent that tar washing separator 13 is isolated include tar and residue about
11.4%；It is 31.5% in hydrocarbon pyrolysis gas that 14 condensed liquid of condenser, which is the primary naphtha of C6~C22, as
It is stored in the primary raw material of the petrol and diesel oil spare entrance storage tank；13.5% gas that the condenser 14 is discharged, containing a large amount of
Hydrocarbon pyrolysis gas is the pyrolysis carbide furnace 7 heating as fuel combustion.
The tail gas that whole device generates is discharged into the tail gas by the tail gas outlet 1 of interior heating rotary kiln drying machine 4
After roasting 19 high temperature decomposing, purifying of device, then discharge after dedusting, desulfurization process.
Tail gas is detected by " dangerous waste incineration atmosphere pollutants emission standards " DB11/503-2007；The mixing of solid carbon
Object is by " hazardous waste judging standard leaching characteristic identification " GB5085.3-2007 and " the measurement cold atom of solid waste total mercury is inhaled
Receive spectrophotometry " detection of GB/T15555.1-1995, value is as shown in table 1:
Table 1: the Contrast on effect of the utility model method processing heavy metal
As shown in Table 1, oily sludge is handled with the utility model method and device, the heavy metal in oily sludge is cured
It is in stable condition, will not be gone out by elutriation, not generate pollution in the mixture of solid carbon.In addition, being largely converted into C6~C22
Primary naphtha it is spare as the primary raw material of petrol and diesel oil, small part as fuel combustion be the pyrolysis stove heating, tar,
The further circular treatment in system of residue, has accomplished the thorough harmless treatment to oily sludge.
Above-described embodiment is only the technical conception and technical characteristics for illustrating the utility model, this can not be limited with this
The protection scope of utility model.The equivalent transformation or modification that all essence according to the present utility model is done should all be covered at this
Within the protection scope of utility model.
Claims (3)
1. a kind of oily sludge pyrolysis processing process unit, including pulverizer (2), screw conveyor I (3), interior heating rotary kiln
Dryer (4), pyrolysis oven (7), condenser (14), screw conveyor II (10), storage bin (11), tar wash separator
(13), flashback preventor (17), tail gas roast device (19), storage tank (25), which is characterized in that
Pulverizer (2) lower end is equipped with the screw conveyor I (3)；The discharge port of the pulverizer (2) passes through the spiral shell
Rotation conveyer I (3) is connected with the feed inlet of the interior heating rotary kiln drying machine (4)；
The lower discharge port (12) of the interior heating rotary kiln drying machine is connected with the feed inlet of the storage bin (11)；The storage
Feed bin (11) lower end is equipped with the screw conveyor II (10)；
The interior heating rotary kiln drying machine (4) top setting tail gas outlet (1) and the tail gas roasting device (19) into
Port is connected, and the tail portion of the interior heating rotary kiln drying machine (4) is equipped with hot-blast stove (15), the furnace tail of the hot-blast stove (15)
Equipped with burner one (18)；
Storage bin (11) discharge port is connected by the screw conveyor II (10) with the feed inlet of the pyrolysis oven (7)
It connects；
The feed inlet phase of the pyrolysis oven exhaust outlet (9) being arranged above the pyrolysis oven (7) and tar washing separator (13)
Connection；
Tar washing separator (13) bottom discharge port is connected with the feed inlet of the pulverizer (2), and the tar is washed
Separator (13) top vent is washed to be connected with the condenser (14) air inlet, condenser (14) gas outlet with it is described
Flashback preventor (17) air inlet is connected；It exports under the condenser (14) and is connected with the reservoir inlet；
Flashback preventor (17) gas outlet is connected with the air inlet of the burner one (18)；
The pyrolysis oven (7) is the rotary kiln of external heating type, and heating furnace (6) are arranged with outside the rotary kiln body；
Heating furnace (6) bottom is equipped with multiple burners two (24)；
The burner two (24) is the cell burner used for the heating furnace (6)；
The air inlet of the burner two (24) is connected with natural gas or fuel inlet (20)；The natural gas or fuel inlet
(20) it is equipped with valve；
It is arranged above the heating furnace (6) air exit (5) being arranged above the heating furnace (6) and the hot-blast stove (15)
Hot-blast stove air inlet (16) is connected.
2. a kind of oily sludge pyrolysis processing process unit as described in claim 1, which is characterized in that the storage bin (11)
Discharge port is connected to screw conveyor II (10) feed inlet, screw conveyor II (10) discharge port and the pyrolysis oven
(7) feed inlet connection, the interior oily sludge material envelope pyrolysis oven (7) maintained after storage is dried of the storage bin (11)
Feed inlet prevents air from entering.
3. a kind of oily sludge pyrolysis processing process unit as claimed in claim 1 or 2, which is characterized in that the spiral transferring
Sending machine II (10) is closed transport mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081292.4U CN209583941U (en) | 2019-01-18 | 2019-01-18 | A kind of oily sludge pyrolysis processing process unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081292.4U CN209583941U (en) | 2019-01-18 | 2019-01-18 | A kind of oily sludge pyrolysis processing process unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209583941U true CN209583941U (en) | 2019-11-05 |
Family
ID=68353831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081292.4U Expired - Fee Related CN209583941U (en) | 2019-01-18 | 2019-01-18 | A kind of oily sludge pyrolysis processing process unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209583941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574444A (en) * | 2019-01-18 | 2019-04-05 | 北京山水青源环保科技有限公司 | A kind of oily sludge pyrolysis processing technique and device |
| CN114804579A (en) * | 2022-04-27 | 2022-07-29 | 世纪华扬环境工程有限公司 | Two-section type oily sludge rapid treatment system |
-
2019
- 2019-01-18 CN CN201920081292.4U patent/CN209583941U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574444A (en) * | 2019-01-18 | 2019-04-05 | 北京山水青源环保科技有限公司 | A kind of oily sludge pyrolysis processing technique and device |
| CN114804579A (en) * | 2022-04-27 | 2022-07-29 | 世纪华扬环境工程有限公司 | Two-section type oily sludge rapid treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109574444A (en) | A kind of oily sludge pyrolysis processing technique and device | |
| CN105601075B (en) | A kind of process and its device of pyrolyzing sludge carbonization treatment | |
| CN104874593B (en) | A kind of two-part indirect thermal desorption PROCESS FOR TREATMENT organic contamination indigenous method and equipment | |
| CN107120656A (en) | A kind of indirect thermal cracking and lime-ash burning melting furnace and its processing method | |
| CN105385465B (en) | A kind of refuse pyrolysis plant and method | |
| CN107699294B (en) | Green island type urban and rural organic waste harmless recycling treatment process | |
| WO2019050431A1 (en) | Method for utilizing solid carbon-containing waste by pyrolysis and waste processing complex for implementing same | |
| CN209583941U (en) | A kind of oily sludge pyrolysis processing process unit | |
| CN106433799A (en) | System and method for disposing household garbage | |
| CN105855274A (en) | Household garbage disposal system and method | |
| CN109575970A (en) | A kind of oily sediment waste plastics pyrolytic process and device | |
| CN107513389A (en) | Can rotten garbage disposal carbonizing plant | |
| CN113877940B (en) | Medical waste treatment process | |
| CN205443020U (en) | Mud pyrolysis carbonization treatment's process units | |
| CN107876542A (en) | A kind of method of revolving bed pyrolysis oven and processing rubbish | |
| CN106871126A (en) | A kind of processing method of house refuse low-temperature carbonization innoxious burning | |
| CN209024387U (en) | A kind of indirect heat transmission type pyrolyzing sludge carbonizing plant and pyrolyzing sludge carbonization system | |
| CA2785836C (en) | Method for recovering phosphorus-containing alternative fuels in cement production | |
| CN207422218U (en) | A kind of domestic garbage pyrolysis stove pollutant handling arrangement | |
| CN109827178A (en) | Using the method for the self- propagating accumulation of heat incinerator removal dry salt organic matter of polyphenylene sulfide by-product | |
| CN106675592B (en) | Indirect thermal desorption carbonization device and treatment method | |
| CN209481566U (en) | A kind of process unit of oily sediment waste plastics pyrolysis | |
| CN205664385U (en) | Organic matter self -power is dry to divide resource system with pyrolysis, complete set | |
| CN206143142U (en) | System for handle domestic waste | |
| CN105753274B (en) | A kind of sludge treatment system and disposing technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191105 |