CN109912159A - A kind of greasy filth pyrolysis carbonization technique - Google Patents
A kind of greasy filth pyrolysis carbonization technique Download PDFInfo
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- CN109912159A CN109912159A CN201910238589.1A CN201910238589A CN109912159A CN 109912159 A CN109912159 A CN 109912159A CN 201910238589 A CN201910238589 A CN 201910238589A CN 109912159 A CN109912159 A CN 109912159A
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- 238000003763 carbonization Methods 0.000 title claims abstract description 55
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 155
- 239000002737 fuel gas Substances 0.000 claims abstract description 62
- 238000012545 processing Methods 0.000 claims abstract description 27
- 239000000052 vinegar Substances 0.000 claims abstract description 21
- 235000021419 vinegar Nutrition 0.000 claims abstract description 21
- 238000004064 recycling Methods 0.000 claims abstract description 17
- 239000003595 mist Substances 0.000 claims description 30
- 239000000428 dust Substances 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 20
- 230000003009 desulfurizing effect Effects 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 19
- 239000011269 tar Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 16
- 230000008030 elimination Effects 0.000 claims description 16
- 238000003379 elimination reaction Methods 0.000 claims description 16
- 238000009833 condensation Methods 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000005201 scrubbing Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002023 wood Substances 0.000 claims description 12
- 238000001179 sorption measurement Methods 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 10
- 230000023556 desulfurization Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000010410 dusting Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000002918 waste heat Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000000571 coke Substances 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims description 2
- 230000000505 pernicious effect Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000006229 carbon black Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 108010034145 Helminth Proteins Proteins 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 244000000013 helminth Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 210000004681 ovum Anatomy 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- -1 reaction residue Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- 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
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of greasy filth to be pyrolyzed carbonization technique.The following steps are included: the processing of processing (3) exhaust gas of pyrolysis (2) fuel gas of (1) greasy filth.Greasy filth provided by the invention is pyrolyzed carbonization technique, by using mature efficient exhaust gas cleaner, the problem of exhaust emissions meets the discharge standard requirement of newest country, accomplishes minimizing, innoxious, recycling treatment, causes damages since processing is not proper to air so as to avoid greasy filth；The present invention is by being equipped with the processing system of fuel gas, to solve the problems, such as to recycle tar, the wooden resources such as vinegar and carbon black in greasy filth.
Description
Technical field
The present invention relates to greasy filth pyrolytic technique fields, are pyrolyzed carbonization technique in particular to a kind of greasy filth.
Background technique
Currently, the enterprises such as oil recovery, oil depot, refinery, petrochemical industry are at oil exploitation, storage and transportation, refining, post-processing, oily wastewater
Because reasons, the generations such as leakage pollution, tank body precipitating, distillation bottom ash, reaction residue, sewage treatment precipitating largely contain during reason etc.
Greasy dirt, i.e. greasy filth.Different according to the source of greasy filth, the ratio of oil content, moisture content and other components is different, and group
Divide ratio difference very big.General oil content is 10~50% in greasy filth, and moisture content is 15~80%.Also contain a large amount of benzene in greasy filth
It is object, phenols, Polychlorinated biphenyls, dioxin, heavy metal, the poisonous and harmful substances such as salt, radioactive element, and contain a large amount of cause of diseases
Bacterium, helminth (ovum) etc., major part organic matter therein is difficult to degrade, belongs to hazardous solid waste.If greasy filth is not located properly
It manages and directly fills, not only occupy large amount of land resources, and will all cause seriously to pollute to surrounding soil, water body, air, endanger
Evil natural ecosystems, influence human health.
Summary of the invention
In consideration of it, the invention proposes a kind of greasy filth to be pyrolyzed carbonization technique, it is intended to solve existing if do not located greasy filth properly
It manages and directly fills, the problem of seriously polluting can be caused to air.
On one side, the invention proposes a kind of greasy filth to be pyrolyzed carbonization technique, comprising the following steps:
(1) pyrolysis of greasy filth: the greasy filth that sludge quantifies in feed bin is passed through in dry and wet double-shaft mixers, dry and wet double-shaft mixers
It after being uniformly mixed, and is transported in wind stopping device, wind stopping device is discharged to the first quick break up and raises mist dryer
It is interior, preliminary drying dry-cure is done to greasy filth, the greasy filth of drying is delivered to the second quick break up later and is raised in mist dryer, again to oil
Mud does drying and processing, and the greasy filth for completing drying and processing is delivered in wind stopping device, and wind stopping device is discharged to the pyrolysis of sludge flash carbonization
In machine, pyrolysis host is pyrolyzed, and the finished product that greasy filth pyrolysis generates is delivered in the cooling closed vexed tank feed bin of finished product and is carried out
Cooling, the cooling finished product completed is delivered in bucket elevator by finished product screw conveyor, and subsequent bucket elevator is by finished product
It is delivered at two channel finished product discharging bins, the material through coming out at two channel finished product discharging bins passes through carbon dust feed back conveyer all the way
It is back to blender, another way is put in storage conveyer by finished product carbon and is delivered to finished product area；
(2) processing of fuel gas: greasy filth is pyrolyzed generated fuel gas and is passed through head Burgy appts, head fine powder dress
It sets after separating the grit in fuel gas with gas, internal contained substance is all passed through in fuel gas cyclone dust collectors,
Grit is fallen into ash bucket by fuel gas cyclone dust collectors, and fuel gas is then passed through fuel gas tar collector and carries out coke
Oil recycling, then fuel gas is passed through fuel gas wood vinegar collection device and carries out the wooden vinegar recycling, divide fuel gas to two-way later
It each leads into carbonization owner's furnace cellar and carbonization machine pair furnace cellar and burns, the waste heat of burning each leads into the first quick break up and raises
Mist dryer and second is quickly broken up to raise in mist dryer and does heat source；
(3) processing of exhaust gas: the exhaust gas generated after gas fuel burning, which is quickly broken up, raises the discharge of mist dryer, successively leads to
Enter and be dusted in exhaust gas cyclone dust collectors and smoke elimination tower, the exhaust gas after dedusting is passed through in desulfurizing tower, in desulfurizing tower into
Row desulfurization process, the exhaust gas after desulfurization are passed through in adsorption tower, and adsorption tower sucks the pernicious gas for including in exhaust gas, and exhaust gas is again later
It is passed through in scrubbing tower, is further purified in scrubbing tower, purified exhaust gas is successively passed through horizontal condenser and stands
Condensation liquefaction is carried out in formula condenser, remaining exhaust gas, which is passed through in screen collector, after condensation carries out final dusting, final dusting
Remaining exhaust gas is passed through in wasted nickel catalyst instrument and is detected afterwards, and detection exhaust gas is up to standard, then is discharged, conversely, will then give up again
Gas is passed through in screen collector and is dusted, and so on, until by exhaust gas qualified discharge.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, in above-mentioned steps (1), greasy filth is being passed through the quick carbon of sludge
Before changing pyrolysis machine, all conveyed by high inclination-angle formula conveyer.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, the high inclination-angle formula conveyer is closed, adjustable-angle
Formula conveyer.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, described second quickly breaks up and raises mist dryer and dry greasy filth
It is less than the 10 of itself volume to its contained humidity volume.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, the sludge flash carbonization pyrolysis machine include: time high-temperature region,
High-temperature region, secondary high-temperature region, gradually cold-zone, cooling zone.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, in above-mentioned steps (2), water pump provides for the recycling of tar
Power.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, in above-mentioned steps (2), water pump provides for the recycling of the wooden vinegar
Power.
It further,, will be described flammable by air-introduced machine in above-mentioned steps (3) in above-mentioned greasy filth pyrolysis carbonization technique
In exhaust extraction to smoke elimination tower in gas dust remover.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, in above-mentioned steps (3), exhaust gas is in liquid in horizontal condenser
Change the liquid generated to be passed through in vertical (type) condenser, to the cooling water as vertical (type) condenser.
Further, in above-mentioned greasy filth pyrolysis carbonization technique, in above-mentioned steps (3), vertical (type) condenser condenses exhaust gas institute
The liquid of generation is passed through in cesspool.
Compared with prior art, the beneficial effects of the present invention are greasy filth provided by the invention is pyrolyzed carbonization technique, passes through
Using mature efficient exhaust gas cleaner, exhaust emissions meets the discharge standard requirement of newest country, accomplishes minimizing, nothing
Evilization, recycling treatment, the problem of causing damages since processing is not proper to air so as to avoid greasy filth.
Further, the present invention is by being equipped with the processing system of fuel gas, to solve recycling tar, wood in greasy filth
The problem of resources such as vinegar and carbon black.
Further, the present invention relates to high inclination-angle formula conveyers to convey material, in view of the closed of high inclination-angle formula conveyer
Property, the case where greasy filth slides during transportation is avoided, while the angle of conveyer can also be adjusted according to engine request
Degree, so that easy to operate, everything goes well with your work.
Further, the present invention is realized by the way that exhaust gas remaining after final dusting to be passed through in wasted nickel catalyst instrument in work
To the detection of gas during work, so that exhaust gas not up to standard, which is passed through again in screen collector, carries out dedusting again, so that behaviour
It is convenient to make, and process is rigorous, avoids the appearance of the not qualified discharge phenomenon of exhaust gas.
Further, the present invention is by the liquid for generating exhaust gas and horizontal condenser is condensed liquefaction as vertical cold
The cooling water of condenser so that amount of moisture needed for solving the problems, such as vertical (type) condenser work is more, while also saving water resource.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram that greasy filth provided in an embodiment of the present invention is pyrolyzed carbonization technique.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig.1, the greasy filth for the embodiment of the present invention is pyrolyzed carbonization system comprising: it is greasy filth pyrolysis installation, flammable
Gas treatment equipment, emission-control equipment and sludge quantify feed bin 1；Wherein, greasy filth pyrolysis installation quantifies 1 phase of feed bin with sludge
Even, to be pyrolyzed to greasy filth；Combustible gas processing device is connected with greasy filth pyrolysis installation, produced by being pyrolyzed to greasy filth
Fuel gas do recycling processing；Emission-control equipment is connected with flammable Flash Gas Compression Skid System, to gas fuel burning
The exhaust gas generated afterwards carries out up to standardization processing.
With continued reference to shown in Fig. 1, greasy filth pyrolysis installation includes: dry and wet double-shaft mixers 2, high inclination-angle formula conveyer 3, closes wind
Device 4, first, which is quickly broken up, to be raised mist dryer 5, second and quickly breaks up and raise mist dryer 6, sludge flash carbonization pyrolysis machine 7, finished product
Processing unit, combustible gas processing device include: head Burgy appts 15, fuel gas tar collection structure 17, fuel gas
The wooden vinegar collection structure 18, waste heat recovery structure, water pump 19, fuel gas cyclone dust collectors 16, exhaust-gas treatment structure include: exhaust gas
The first dedusting structure, the desulfurization structure of exhaust gas, the treatment facilities of exhaust gas, the condensation structure of exhaust gas, exhaust gas the second dedusting knot
The detection structure of structure and exhaust gas；Wherein, high inclination-angle formula conveyer 3 is that closed, packaged type and adjustable-angle formula are defeated
Machine is sent, is connected with wind stopping device 4, for conveying greasy filth；Flash carbonization pyrolysis machine is connect with wind stopping device 4, to rapid pyrolysis oil
Mud；Product handling system device is connected with sludge flash carbonization pyrolysis machine 7, and the finished product to complete pyrolysis is delivered to finished product area 14；
Head Burgy appts 15 are connected with sludge flash carbonization pyrolysis machine 7, intracorporal will be pyrolyzed generated combustible gas by greasy filth
Grit and gas separation；Fuel gas tar collection structure 17 is connected with head Burgy appts 15, to institute in fuel gas
The tar for including is collected；Fuel gas wood vinegar collection structure 18 is connected with fuel gas tar collection structure 17, to right
Wood vinegar included in fuel gas is collected；Waste heat recovery structure is raised mist dryer and is connect with quickly breaing up, to can
The heat that combustion gas volumetric combustion generates raises mist dryer and does heat source for quickly breaing up；Water pump 19 is separately connected the collection of fuel gas tar
Structure 17 and fuel gas wood vinegar collection structure 18, to provide power for it；Fuel gas cyclone dust collectors 16 and head are thin
Powder device 15 is connected, for grit included in fuel gas to be collected in wall；First dedusting structure of exhaust gas and quickly
It breaks up and raises mist dryer and be connected, be the particle of d > 5mm diameter in removing exhaust gas will be removed；The desulfurization structure of exhaust gas and exhaust gas
First dedusting structure is connected, to do desulfurization process to the exhaust gas after dedusting；The treatment facilities of exhaust gas and the desulfurization structure of exhaust gas
It is connected, is further purified to be done to the exhaust gas after desulfurization；The condensation structure of exhaust gas is connected with the treatment facilities of exhaust gas, to
By the waste gas condensation liquefaction after desulfurization；Second dedusting structure of exhaust gas is connected with the condensation structure of exhaust gas, to remove through condensing
The particle that diameter after liquefaction in remaining exhaust gas is 20 μm of d <；Second dedusting structure phase of the detection structure of exhaust gas and exhaust gas
Even, to detect whether the exhaust gas after second of dedusting is up to standard, the detection structure such as detection exhaust gas of exhaust gas is not up to standard, then will give up
Gas is back to the second dedusting structure of the exhaust gas.
It can be dasher and dry and wet twin shaft it is understood that not limiting the type of blender in the present embodiment
Blender etc., while the quantity of blender is not limited yet, it need to only be configured according to the amount of greasy filth；Meanwhile also not limiting combustible gas
The quantity of body tar collection structure and fuel gas wood vinegar collection structure, can be configured according to the volume of fuel gas.
With continued reference to Fig. 1, product handling system device include: the cooling closed vexed tank feed bin 8 of finished product, finished product screw conveyor 9,
Bucket elevator 10, two channel finished product discharging bins 11, carbon dust feed back conveyer 13, finished product carbon are put in storage conveyer 12, finished product area 14,
The first dedusting structure of exhaust gas includes: waste gas combustible gas cyclone deduster 22, vertical smoke elimination tower 24, and the desulfurization structure of exhaust gas is vertical
Formula desulfurizing tower 25, the treatment facilities of exhaust gas include: vertical adsorption tower 26 and vertical scrubbing tower 27, and the condensation structure of exhaust gas includes:
Second dedusting structure of horizontal condenser 28 and vertical (type) condenser 29, exhaust gas is screen collector 30, and the detection structure of exhaust gas is
Wasted nickel catalyst instrument 31, wherein product handling system device is equipped with two channel finished product discharging bins 11 and carbon dust feed back conveyer 13, and carbon dust returns
Material conveyer 13 is connected with two channel finished product discharging bins 11, and being delivered to the dry and wet twin shaft will be pyrolyzed incomplete greasy filth stirs
Device 2 is mixed, so that greasy filth is pyrolyzed again；Horizontal condenser 28 condenses liquid caused by exhaust gas and is passed through in vertical (type) condenser 29, uses
Using as the cooling water in vertical (type) condenser 29；Vertical (type) condenser 29 condenses liquid caused by exhaust gas and is passed through in cesspool 33；
Exhaust gas provides power by air-introduced machine 23 and is transmitted in the first dedusting structure of the exhaust gas；Exhaust gas is mentioned by compressor 32
It is transmitted between the first dedusting structure of the exhaust gas and the detection structure of the exhaust gas for power.
It is understood that the type of smoke elimination tower, desulfurizing tower, adsorption tower and scrubbing tower, example are not limited in the present embodiment
The tower that such as eliminates smoke can be vertical smoke elimination tower, be also possible to Horizontal smoke tower, and desulfurizing tower can be vertical desulfurizing tower, be also possible to crouch
Formula desulfurizing tower etc., meanwhile, the quantity of smoke elimination tower, desulfurizing tower, adsorption tower and scrubbing tower is not limited yet, it only need to be according to the body of exhaust gas
Product certainly, does not limit the type of air-introduced machine to configure yet, only need to be suitable according to specific working environment, parameter configuration
Air-introduced machine.
Refering to Figure 1, the course of work of the present embodiment greasy filth pyrolysis carbonization system are as follows: sludge quantifies in feed bin 1
Greasy filth is passed through in dry and wet double-shaft mixers 2, after dry and wet double-shaft mixers 2 are uniformly mixed, is conveyed by high inclination-angle formula
Machine 3 is transported in wind stopping device 4, and wind stopping device 4 is discharged to the first quick break up and raises in mist dryer 5, does preliminary drying to greasy filth
The greasy filth of prebake is delivered to the second quick break up again by high inclination-angle formula conveyer 3 later and raises mist dryer 6 by dry-cure
It is interior, drying and processing is done to greasy filth again, the greasy filth for completing drying and processing is delivered in wind stopping device 4, and wind stopping device 4 is discharged to sludge
In flash carbonization pyrolysis machine 7, sludge flash carbonization pyrolysis machine 7 is pyrolyzed, and is then delivered to the finished product that greasy filth pyrolysis generates
It is cooled down in the cooling closed vexed tank feed bin 8 of finished product, the cooling finished product completed is delivered to bucket type by finished product screw conveyor 9
10 in elevator, finished product is delivered at two channel finished product discharging bins 11 by subsequent bucket elevator 10, is discharged through two channel finished products
The material that Cang11Chu comes out is not pyrolyzed and is completely back to dry and wet double-shaft mixers 2 by carbon dust feed back conveyer, is pyrolyzed completely
Conveyer 12, which is put in storage, by finished product carbon is delivered to finished product area 14；Fuel gas caused by sludge flash carbonization pyrolysis machine 7 is passed through
In head Burgy appts 15, after head Burgy appts 15 separate the grit in fuel gas with gas, internal contained substance
It is all passed through in fuel gas cyclone dust collectors 16, grit is collected in ash bucket by fuel gas cyclone dust collectors 16, then may be used
Combustion gas body, which is passed through in fuel gas tar collection structure 17, carries out tar recycling, then fuel gas is passed through fuel gas wood vinegar and is received
Collect and carry out the wooden vinegar recycling in structure 17, wherein water pump 19 provides power for the collection of tar and the collection of the wooden vinegar, finally may be used
Combustion gas body, which is each led into carbonization owner's furnace cellar 20 and carbonization machine pair furnace cellar 21, to burn, and the waste heat of burning each leads into first
It quickly breaks up and raises mist dryer 5 and second and quickly break up to raise and do heat source at mist dryer 6；The exhaust gas generated after gas fuel burning
Respectively through first quickly break up raise mist dryer 5 and second quickly break up raise mist dryer 6 be discharged, be passed through waste gas combustible gas rotation
In wind deduster 22, so that the grit in exhaust gas separates from air-flow and be trapped in wall, then it will be given up by air-introduced machine 23 again
Exhaust gas in gas fuel gas cyclone dust collectors 22 is passed through in vertical smoke elimination tower 24, so that removing diameter in removing exhaust gas is d > 5mm's
Particle, then be transmitted to exhaust gas in vertical desulfurizing tower 25 from vertical smoke elimination tower 24 by compressor 32, to go in removing exhaust gas
Element sulphur, then be transmitted to exhaust gas in vertical adsorption tower 26 from vertical desulfurizing tower 25 by compressor 32, then pass through compressor
32 are transmitted to exhaust gas in vertical scrubbing tower 27 from vertical absorption 26, so that the purification to exhaust gas is realized, again by compressor
32 are successively transmitted to exhaust gas in horizontal condenser 28 and vertical (type) condenser 29 from vertical scrubbing tower 27, by exhaust gas in horizontal condensation
The liquid that liquefaction generates in device 28 is passed through in vertical (type) condenser 29, as the cooling water of vertical (type) condenser 29, so that vertical condensation
Device 29 carries out condensation liquefaction to exhaust gas again, to realize the liquefaction to most of gas, generates liquefying in vertical (type) condenser
Liquid be passed through in cesspool 33, then remainder of exhaust gas is passed through in screen collector 30 by compressor 32, so that gas is by
Final dusting, so that removing diameter in removing exhaust gas is the particle of d < 20 μm, then again by compressor 32 by exhaust gas from water curtain dedusting
Device 30 is transmitted in wasted nickel catalyst instrument 31, and exhaust gas detects up to standard, then qualified discharge by wasted nickel catalyst instrument 31, if it does not meet the standards,
Then exhaust gas is transmitted in screen collector 30 from wasted nickel catalyst instrument 31 by compressor 32 again, so that exhaust gas is removed again
Dirt, and so on, until exhaust gas qualified discharge.
The specific steps of the greasy filth pyrolysis carbonization technique of the embodiment of the present invention include the pyrolysis of (1) greasy filth: sludge is quantitatively expected
Greasy filth in storehouse 1 is passed through in dry and wet double-shaft mixers 2, after dry and wet double-shaft mixers 2 are uniformly mixed, passes through high inclination-angle
Formula conveyer 3 is transported in wind stopping device 4, and wind stopping device 4 is discharged to the first quick break up and raises in mist dryer 5, to greasy filth
Preliminary drying dry-cure is done, the greasy filth of prebake is delivered to the second quick break up again by high inclination-angle formula conveyer 3 later and raises mist
In dryer 6, drying and processing done to greasy filth again, second quickly breaks up and raise mist dryer 6 greasy filth is dried to its contained humidity
Volume is less than the 10 of itself volume, and the greasy filth for completing drying and processing is delivered in wind stopping device 4, and wind stopping device 4 is unloaded
To sludge flash carbonization pyrolysis machine 7, greasy filth passes through the secondary high-temperature region in mud flash carbonization pyrolysis machine 7, high-temperature region, secondary height respectively
Pyrolytic process is completed in warm area, gradually cold-zone, cooling zone, and it is closed bored that the finished product that greasy filth pyrolysis generates then is delivered to finished product cooling
It is cooled down in tank feed bin 8, the cooling finished product completed is delivered to 10 in bucket elevator, then by finished product screw conveyor 9
Finished product is delivered at two channel finished product discharging bins 11 by bucket elevator 10, the object through coming out at two channel finished product discharging bins 11
Material is not pyrolyzed and is completely back to dry and wet double-shaft mixers 2 by carbon dust feed back conveyer, and the finished product for being pyrolyzed completion passes through finished product
Carbon storage conveyer 12 is delivered to finished product area 14.
It can be dasher and dry and wet twin shaft it is understood that not limiting the type of blender in the present embodiment
Blender etc., while the quantity of blender is not limited yet, it need to only be configured according to the amount of greasy filth.
With continued reference to shown in Fig. 1, step further includes the processing of (2) fuel gas: produced by sludge flash carbonization pyrolysis machine 7
Fuel gas be passed through in head Burgy appts 15, after head Burgy appts 15 separate the grit in fuel gas with gas,
Its internal contained substance is all passed through in fuel gas fuel gas cyclone dust collectors 16, fuel gas fuel gas cyclone dust removal
Grit is fallen into ash bucket by device 16, and fuel gas is then passed through progress tar recycling in fuel gas tar collector 17, then
Fuel gas is passed through in fuel gas wood vinegar collection device 17 and carries out the wooden vinegar recycling, wherein water pump 19 be the collection of tar with
And the collection of the wooden vinegar provides power, finally divides two-way to each lead into carbonization owner's furnace cellar 20 and carbonization machine pair furnace cellar fuel gas
Burn in 21, the waste heat of burning each lead into first quickly break up raise mist dryer 5 and second quickly break up raise mist drying
Heat source is done at machine 6；
It is understood that fuel gas tar collector and fuel gas wood vinegar collection dress are not limited in the present embodiment
The quantity set can be configured according to the volume of fuel gas.
With continued reference to shown in Fig. 1, step further includes the processing of (3) exhaust gas: the exhaust gas difference generated after gas fuel burning
Through first quickly break up raise mist dryer 5 and second quickly break up raise mist dryer 6 be discharged, be passed through waste gas combustible gas cyclone and remove
In dirt device 22, so that the grit in exhaust gas separates from air-flow and be trapped in wall, then pass through air-introduced machine 23 again for combustible gas
Exhaust gas in body cyclone dust collectors 22 is passed through in vertical smoke elimination tower 24, to remove the big particle in removing exhaust gas, then passes through compressor
32 are transmitted to exhaust gas in vertical desulfurizing tower 25 from vertical smoke elimination tower 24, to remove the element sulphur in removing exhaust gas, then pass through compression
Exhaust gas is transmitted in vertical adsorption tower 26 by machine 32 from vertical desulfurizing tower 25, then by compressor 32 by exhaust gas from vertical absorption
26 are transmitted in vertical scrubbing tower 27, to realize purification to exhaust gas, again by compressor 32 by exhaust gas from vertical washing
Tower 27 is successively transmitted in horizontal condenser 28 and vertical (type) condenser 29, by exhaust gas in the liquid for generation of liquefying in horizontal condenser 28
Body is passed through in vertical (type) condenser 29, makes it as the cooling water of vertical (type) condenser 29, so that vertical (type) condenser 29 is again to exhaust gas
Condensation liquefaction is carried out, to realize the liquefaction to most of gas, vertical (type) condenser liquefaction gained liquid is passed through cesspool 33
It is interior, then remainder of exhaust gas is passed through in screen collector 30 by compressor 32, so that gas by second of dedusting, gives up to remove
Then exhaust gas is transmitted to wasted nickel catalyst instrument 31 from screen collector 30 by compressor 32 again by the small particle of diameter in gas, give up
Gas detects up to standard, qualified discharge by wasted nickel catalyst instrument 31, if it does not meet the standards, is then again examined exhaust gas from exhaust gas by compressor 32
It surveys in instrument 31 and is transmitted in screen collector 30, so that exhaust gas carries out dedusting again, and so on, until exhaust gas qualified discharge.
Obviously it can be concluded that, the number of smoke elimination tower, desulfurizing tower, adsorption tower and scrubbing tower is not limited in the present embodiment
Amount need to only configure according to the volume of exhaust gas, certainly, also not limit smoke elimination tower, desulfurizing tower, adsorption tower and scrubbing tower
Type, such as smoke elimination tower can be vertical smoke elimination tower, be also possible to Horizontal smoke tower, and desulfurizing tower can be vertical desulfurizing tower,
It can be horizontal desulfurizing tower etc., meanwhile, the type of air-introduced machine is not limited yet, need to only be configured according to specific working environment, parameter
Suitable air-introduced machine.
Compared with prior art, the beneficial effects of the present invention are greasy filth provided by the invention is pyrolyzed carbonization technique, passes through
Using mature efficient exhaust gas cleaner, exhaust emissions meets the discharge standard requirement of newest country, accomplishes minimizing, nothing
Evilization, recycling treatment, the problem of causing damages since processing is not proper to air so as to avoid greasy filth.
Further, the present invention is by being equipped with the processing system of fuel gas, to solve recycling tar, wood in greasy filth
The problem of resources such as vinegar and carbon black.
Further, the present invention relates to high inclination-angle formula conveyers to convey material, in view of the closed of high inclination-angle formula conveyer
Property, the case where greasy filth slides during transportation is avoided, while the angle of conveyer can also be adjusted according to engine request
Degree, so that easy to operate, everything goes well with your work.
Further, the present invention is realized by the way that exhaust gas remaining after final dusting to be passed through in wasted nickel catalyst instrument in work
To the detection of gas during work, so that exhaust gas not up to standard, which is passed through again in screen collector, carries out dedusting again, so that behaviour
It is convenient to make, and process is rigorous, avoids the appearance of the not qualified discharge phenomenon of exhaust gas.
Further, the present invention is by the liquid for generating exhaust gas and horizontal condenser is condensed liquefaction as vertical cold
The cooling water of condenser so that amount of moisture needed for solving the problems, such as vertical (type) condenser work is more, while also saving water resource.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of greasy filth is pyrolyzed carbonization technique, which comprises the following steps:
(1) pyrolysis of greasy filth: the greasy filth that sludge quantifies in feed bin is passed through in dry and wet double-shaft mixers, dry and wet double-shaft mixers by its
It after uniformly mixing, and is transported in wind stopping device, wind stopping device is discharged to the first quick break up and raises in mist dryer, right
Greasy filth does preliminary drying dry-cure, and the greasy filth of drying is delivered to the second quick break up later and is raised in mist dryer, is done again to greasy filth
Drying and processing, the greasy filth for completing drying and processing are delivered in wind stopping device, and wind stopping device is discharged in sludge flash carbonization pyrolysis machine,
Pyrolysis host is pyrolyzed, and the finished product that greasy filth pyrolysis generates is delivered in the cooling closed vexed tank feed bin of finished product and is cooled down,
The cooling finished product completed is delivered in bucket elevator by finished product screw conveyor, and finished product is delivered to by subsequent bucket elevator
At two channel finished product discharging bins, the material through coming out at two channel finished product discharging bins passes through carbon dust feed back conveyer all the way and is back to
Blender, another way are put in storage conveyer by finished product carbon and are delivered to finished product area；
(2) processing of fuel gas: greasy filth is pyrolyzed generated fuel gas and is passed through head Burgy appts, and head Burgy appts will
After grit in fuel gas is separated with gas, internal contained substance is all passed through in fuel gas cyclone dust collectors, flammable
Grit is fallen into ash bucket by gas cyclone deduster, and fuel gas is then passed through fuel gas tar collector and carries out tar time
It receives, then fuel gas is passed through fuel gas wood vinegar collection device and carries out the wooden vinegar recycling, divide two-way to distinguish fuel gas later
It is passed through in carbonization owner's furnace cellar and carbonization machine pair furnace cellar and burns, the waste heat of burning each leads into the first quick break up and raises mist baking
Dry machine and second is quickly broken up to raise in mist dryer and does heat source；
(3) processing of exhaust gas: the exhaust gas generated after gas fuel burning, which is quickly broken up, raises the discharge of mist dryer, is successively passed through useless
It is dusted in cyclonic wind deduster and smoke elimination tower, the exhaust gas after dedusting is passed through in desulfurizing tower, is taken off in desulfurizing tower
Sulphuring treatment, the exhaust gas after desulfurization are passed through in adsorption tower, and adsorption tower sucks the pernicious gas for including in exhaust gas, and exhaust gas is passed through again later
It in scrubbing tower, is further purified in scrubbing tower, purified exhaust gas is successively passed through horizontal condenser and vertical cold
Condensation liquefaction is carried out in condenser, remaining exhaust gas, which is passed through in screen collector, after condensation carries out final dusting, remains after final dusting
Remaining exhaust gas is passed through in wasted nickel catalyst instrument and is detected, and detection exhaust gas is up to standard, then is discharged, conversely, then again leading to exhaust gas
Enter in screen collector and be dusted, and so on, until by exhaust gas qualified discharge.
2. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that in above-mentioned steps (1), greasy filth is logical
Before entering sludge flash carbonization pyrolysis machine, all conveyed by high inclination-angle formula conveyer.
3. greasy filth according to claim 2 is pyrolyzed carbonization technique, which is characterized in that the high inclination-angle formula conveyer is closed
Formula, adjustable-angle formula conveyer.
4. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that the described second quick break up raises mist drying
Greasy filth is dried to 10 of its contained humidity volume less than itself volume by machine.
5. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that the sludge flash carbonization pyrolysis machine packet
It includes: secondary high-temperature region, high-temperature region, secondary high-temperature region, gradually cold-zone, cooling zone.
6. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that in above-mentioned steps (2), water pump is coke
The recycling of oil provides power.
7. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that in above-mentioned steps (2), water pump is wood
The recycling of vinegar provides power.
8. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that in above-mentioned steps (3), pass through air inducing
Machine will be in the exhaust extraction to smoke elimination tower in the fuel gas deduster.
9. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that in above-mentioned steps (3), exhaust gas is in sleeping
The liquid that liquefaction generates in formula condenser is passed through in vertical (type) condenser, to the cooling water as vertical (type) condenser.
10. greasy filth according to claim 1 is pyrolyzed carbonization technique, which is characterized in that vertical cold in above-mentioned steps (3)
Liquid caused by condenser condensation exhaust gas is passed through in cesspool.
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| JP2000153252A (en) * | 1998-11-18 | 2000-06-06 | Center For Coal Utilization Japan | Organic waste treatment method |
| EP1175376A1 (en) * | 1999-03-22 | 2002-01-30 | Environmental Solutions International Ltd., | Process and apparatus for the conversion of carbonaceous materials |
| CN102134071A (en) * | 2011-04-01 | 2011-07-27 | 大连理工大学 | Method for preparing activated carbon by pyrolysis of organic matters |
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