CN110217960A - A kind of system and method soaking fried sludge using dining table waste oil and carry out sludge continuous pyrolysis - Google Patents
A kind of system and method soaking fried sludge using dining table waste oil and carry out sludge continuous pyrolysis Download PDFInfo
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- CN110217960A CN110217960A CN201910466585.9A CN201910466585A CN110217960A CN 110217960 A CN110217960 A CN 110217960A CN 201910466585 A CN201910466585 A CN 201910466585A CN 110217960 A CN110217960 A CN 110217960A
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- sludge
- pyrolysis
- waste oil
- tail gas
- dining table
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- 239000010802 sludge Substances 0.000 title claims abstract description 77
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 60
- 239000002699 waste material Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000002791 soaking Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000010801 sewage sludge Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 239000002912 waste gas Substances 0.000 claims abstract description 4
- 239000003546 flue gas Substances 0.000 claims description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 25
- 239000003517 fume Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 8
- 238000005243 fluidization Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 43
- 238000004064 recycling Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 3
- 239000012075 bio-oil Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- XURIQWBLYMJSLS-UHFFFAOYSA-N 1,4,7,10-tetrazacyclododecan-2-one Chemical compound O=C1CNCCNCCNCCN1 XURIQWBLYMJSLS-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of system soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, it is provided with sewage sludge feed device and waste oil feeder on heated at constant temperature case, heated at constant temperature bottom end is provided with heating tube；It is provided with screw-feeder on pyrolysis fluidized bed side wall, material conveyor belt end is extend on feed hopper；Pyrolysis fluidized bed top is connected to cyclone separator, and the bottom end of cyclone separator connects collecting bag, and top is connected to exhaust combustion tank by exhaust pipe, and exhaust combustion tank is connected to oxygen cylinder, and the bottom end of exhaust combustion tank is connected to fluidized bed bottom end by tail gas return pipe.Sludge continuous pyrolysis method is carried out using dining table waste oil the invention further relates to a kind of, includes the following steps: that 1) sludge is fried；2) pyrolysis separation；3) waste gas utilization.The present invention relates to scientific and reasonable, existing dining table waste oil and sludge can be carried out making full use of realization rapidly and efficiently continuous pyrolysis, and tail gas is can be recycled in pyrolytic process, realize waste material rationalize, be innoxious, energy-saving processing.
Description
Technical field
The invention belongs to recovery and reuse of waste technical fields, are related to biomass pyrolysis device, in particular to a kind of dining table
Waste oil and sewage sludge continuous pyrolysis system and method.
Background technique
It is innoxious, stabilize, minimizing and recycling currently, the sludge quantity that municipal sewage plant generates is huge
Processing disposition has become the main points of government administration section and scientific research concern.Traditional processing mode is first by sludge hot wind
After desiccation, dewatered sludge is filled, arranges sea, production agricultural fertilizer and gardens building materials or directly burning etc..Sludge hot
Wind convection current desiccation is a kind of principal mode of current heat drying, but the sludge after hot wind desiccation still has high ash content and low heat value
The characteristics of, it will appear burning difficulty in independent combustion process and halfway phenomenon of burning, need to often be carried out with other combustibles
Mixed combustion.Its drying time is long, energy consumption is higher and there are dust explosion hidden danger.
Dining table waste oil is commonly called as " gutter oil ", refers to all kinds of poor oils, such as the frying oil of the edible oil, Reusability recycled.
Currently, researcher develops safe, harmless, recycling treatment mode of a variety of pairs of dining table waste oil mainstreams, for example, being processed into bavin
The various chemical products such as oil, lubricating oil, soap worldwide gradually form a new industry.But because its impurity is more, has
The problems such as certain acid and complex chemical composition, it is limited its application aspect.
(charing) technology of pyrolysis is to convert organic waste to the most promising method of bio-fuel, in anoxic or nothing
Sludge is heated under the conditions of oxygen environment, makes the organic matter in sludge that thermal cracking occur, generates fuel gas, cracked oil and cracking
Charcoal energy products.
It is therefore proposed that being used in combination sewage sludge with dining table waste oil to be utilized jointly.Sludge is immersed into high temperature
Sludge fast dewatering desiccation, fried oily sludge can be formed the solid fuel of high heating value by frying in dining table waste oil, then
Solid fuel is subjected to pyrolysis, energy products are made, realizes the recycling to cities and towns waste, innoxious, energy-saving processing.
By the retrieval to patent document, patent document identical with present patent application is not found.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of using the fried sludge of dining table waste oil leaching and carries out
The system of sludge continuous pyrolysis, structure is simple, can carry out making full use of existing dining table waste oil and improve pyrolyzing sludge efficiency,
It is energy-efficient, it continuously can quickly carry out waste self-heated pyrolysis.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of system soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, it is characterised in that: including constant temperature
Heater box, pyrolysis fluidized bed, cyclone separator, exhaust combustion tank and oxygen cylinder, be provided on the heated at constant temperature case sludge into
Glassware and waste oil feeder, heated at constant temperature bottom end are provided with heating tube, and material biography is provided in the heated at constant temperature case
Send band；Be provided with screw-feeder on the pyrolysis fluidized bed side wall, be provided with feed hopper on the screw-feeder, it is described into
Hopper upper end is connected with cracker, and the material conveyor belt end is extend on cracker；The pyrolysis fluidized bed top connection
To the cyclone separator, the bottom end of the cyclone separator connects collecting bag, and top is connected to the tail gas by exhaust pipe
Burn pot, the exhaust combustion tank are connected to oxygen cylinder, and the bottom end of the exhaust combustion tank is connected to institute by tail gas return pipe
State fluidized bed bottom end.
Moreover, the top of the heated at constant temperature case is provided with oil smoke cover, the top of the oil smoke cover is connected by fume pipe
To flue gas cleaner, the flue gas cleaner is connected to the exhaust collection device, is provided with flue gas blower on the fume pipe.
Moreover, further including control unit, pressure gauge, tail gas control valve, exhaust fan are provided on the tail gas return pipe
And first valve, the pressure gauge, tail gas control valve, exhaust fan and the first valve are connected to described control unit.
Moreover, the tail gas reflux pipe end section is the first branch pipe and the second branch pipe, first branch pipe is connected to described
It is pyrolyzed fluidized bed, is provided with the second valve on second branch pipe, second valve is connected to described control unit.
Moreover, second tube end is connected to described heating tube one end, the heating tube other end is returned by tail gas
Closed tube is connected to the flue gas cleaner.
It is a kind of that dining table waste oil is utilized to carry out sludge continuous pyrolysis method, it is characterised in that: the step of the method are as follows:
1) sludge is fried: sludge and dining table is added into heated at constant temperature case respectively by sewage sludge feed device and waste oil feeder
Waste oil, the sludge of immersion is carried out quick fried dehydration and forms the production of oily sludge high heating value by the waste oil of high temperature in heated at constant temperature case
Object；Flue gas cleaner carries out purified treatment to the flue gas generated in frying course and collects simultaneously；
2) pyrolysis separation: the fried sludge that desiccation has been dehydrated by conveyer belt conveys cracker, the oil-containing crushed through cracker
By screw-feeder feeding to fluidized bed is pyrolyzed, the complete substance of pyrolysis fluidized bed pyrolysis enters in cyclone separator to be divided sludge
From non-volatile matter is collected into collecting bag；
3) waste gas utilization: the volatility tail gas in vortex finder is recycled after burning is handled；
I, when control unit monitors flow or pressure lower than fluidisation setting value, the second valve is closed, and the first valve is opened,
Tail gas, which is passed into pyrolysis fluidized bed by blower through the first branch pipe, is used as fluidizing gas；
Ii, when control unit monitors flow or pressure and is higher than fluidisation setting value, the first valve and the second valve are beaten simultaneously
It opens, tail gas carries out pressure release processing by the second branch pipe, and is passed into heating tube and carries out UTILIZATION OF VESIDUAL HEAT IN, finally by tail gas recycle pipe
Carry out exhaust collection.
The advantages and benefits of the present invention are:
1, the system of the invention soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, sludge immerse high temperature
Fried fast dewatering is carried out in dining table waste oil, forms oily sludge high heating value product, it is then quickly continuous via pyrolysis fluidized bed
After pyrolysis, by combustion heat release, the flue gas of generation fluidizes the bio oil and biogas of generation for fluidized bed pyrolysis device,
While heat energy recycling, without additional addition fluidizing gas, operating cost is substantially reduced.
2, the system of the invention soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, the top of heated at constant temperature case
End is provided with oil smoke cover, and the top of oil smoke cover is connected to flue gas cleaner by fume pipe, and flue gas cleaner is connected to the tail
Gas collector is provided with flue gas blower on fume pipe, can be recycled the flue gas generated in sludge frying course, protects
Demonstrate,prove clean environment and operator's safety.
3, the system of the invention soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis further includes that control is single
Member, is provided with pressure gauge, tail gas control valve, exhaust fan and the first valve on tail gas return pipe, pressure gauge, tail gas control valve,
Exhaust fan and the first valve are connected to control unit, and the flow velocity of fluidizing gas in fluidized bed can be monitored in real time, and are convenient for root
According to needs adjustment in time.
4, the system of the invention soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, tail gas reflux tube end
It is divided into the first branch pipe and the second branch pipe, the first branch pipe is connected to pyrolysis fluidized bed, it is provided with the second valve on the second branch pipe, second
Valve is connected to control unit, can carry out pressure release processing to fluidizing gas, guarantee operational safety.
5, the system of the invention soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, second tube end connect
It is connected to heating tube one end, the heating tube other end is connected to flue gas cleaner by tail gas recycle pipe, and the extra tail gas of pressure release can be into
Row heat recovery, then exhaust collection is carried out, it is energy saving.
6, of the invention to carry out sludge continuous pyrolysis method using dining table waste oil, easy to operate, technological parameter is controllable, can
Guarantee the rapidly and efficiently continuous pyrolysis of sludge, improves working efficiency.
7, the present invention relates to scientific and reasonable, existing dining table waste oil and sludge can be carried out making full use of realization quickly high
Continuous pyrolysis is imitated, and tail gas is Ke Xunhuanliyong in pyrolytic process, realizes that waste material rationalizes, is innoxious, energy-saving is handled.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Description of symbols
1- flue gas blower, 2- flue gas cover, 3- flue gas cleaner, 4- exhaust collection device, 5- material conveyor belt, 6- cracker,
7- is pyrolyzed fluidized bed, 8- cyclone separator, 9- igniter, 10- exhaust combustion tank, 11- oxygen control valve, 12- oxygen cylinder, 13-
Pressure gauge, 14- tail gas return pipe, 15- collecting bag, 16- control unit, 17- tail gas control valve, 18- exhaust fan, 19- first
Valve, the first branch pipe of 20-, the second valve of 21-, the second branch pipe of 22-, 23- screw-feeder, 24- feed hopper, 25- heating tube,
26- heated at constant temperature case, 27- sewage sludge feed device, 28- waste oil feeder, 29- tail gas recycle pipe, 30- fume pipe.
Specific embodiment
Below by specific embodiment, the invention will be further described, and it is not limit that following embodiment, which is descriptive,
Qualitatively, this does not limit the scope of protection of the present invention.
A kind of system soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, innovation are: including
Heated at constant temperature case 26 is pyrolyzed fluidized bed 7, cyclone separator 8, exhaust combustion tank 10 and oxygen cylinder 12, is arranged on heated at constant temperature case
There are sewage sludge feed device 27 and waste oil feeder 28, heated at constant temperature bottom end is provided with heating tube 25, is provided in heated at constant temperature case
Material conveyor belt 5；It is provided with screw-feeder 23 on pyrolysis fluidized bed side wall, feed hopper 24 is provided on screw-feeder, into
Hopper upper end is connected with cracker 6, and material conveyor belt end is extend on cracker；Pyrolysis fluidized bed top is connected to whirlwind point
From device, the bottom end of cyclone separator connects collecting bag 15, and top is connected to exhaust combustion tank by exhaust pipe, in exhaust combustion tank
It is provided with igniter 9, exhaust combustion tank is provided with oxygen control valve 11, tail gas on the pipeline by piping connection to oxygen cylinder
The bottom end of burn pot is connected to fluidized bed bottom end by tail gas return pipe 14, and it is fried quickly de- to carry out leaching in sludge immersion dining table waste oil
Water, formed oily sludge high heating value product, then via pyrolysis the quick continuous pyrolysis of fluidized bed after, the bio oil and biology of generation
By combustion heat release, the flue gas of generation fluidizes gas for fluidized bed pyrolysis device, while heat energy recycling, without volume
Outer addition fluidizing gas, substantially reduces operating cost.
The top of heated at constant temperature case is provided with oil smoke cover 2, and the top of oil smoke cover is connected to gas cleaning by fume pipe 30
Device 3, flue gas cleaner are connected to exhaust collection device 4, flue gas blower 1 are provided on fume pipe, can will be in sludge frying course
The flue gas of generation is recycled, and guarantees clean environment and operator's safety.
Further include control unit 16, be provided on tail gas return pipe pressure gauge 13, tail gas control valve 17, exhaust fan 18 and
First valve 19, pressure gauge, tail gas control valve, exhaust fan and the first valve are connected to control unit, can be monitored in real time
The flow velocity of fluidizing gas in fluidized bed, convenient for adjustment in time as needed.
Tail gas flows back pipe end section as the first branch pipe 20 and the second branch pipe 22, and the first branch pipe is connected to pyrolysis fluidized bed, the
The second valve 21 is provided on two branch pipes, the second valve is connected to control unit, can carry out pressure release processing to fluidizing gas, guarantee
Operational safety.
Second tube end is connected to heating tube one end, and it is net that the heating tube other end by tail gas recycle pipe 29 is connected to flue gas
Change device, the extra tail gas of pressure release can carry out heat recovery, then carry out exhaust collection, energy saving.
A kind of to carry out sludge continuous pyrolysis method using dining table waste oil, innovation is: steps of the method are:
1) sludge is fried: sludge and dining table is added into heated at constant temperature case respectively by sewage sludge feed device and waste oil feeder
Waste oil, the sludge of immersion is carried out quick fried dehydration and forms the production of oily sludge high heating value by the waste oil of high temperature in heated at constant temperature case
Object；Flue gas cleaner carries out purified treatment to the flue gas generated in frying course and collects simultaneously；
2) pyrolysis separation: the fried sludge that desiccation has been dehydrated by conveyer belt conveys cracker, the oil-containing crushed through cracker
By screw-feeder feeding to fluidized bed is pyrolyzed, the complete substance of pyrolysis fluidized bed pyrolysis enters in cyclone separator to be divided sludge
From non-volatile matter is collected into collecting bag；
3) waste gas utilization: the volatility tail gas in vortex finder is recycled after burning is handled；
I, when control unit monitors flow or pressure lower than fluidisation setting value, the second valve is closed, and the first valve is opened,
Tail gas, which is passed into pyrolysis fluidized bed by blower through the first branch pipe, is used as fluidizing gas；
Ii, when control unit monitors flow or pressure and is higher than fluidisation setting value, the first valve and the second valve are beaten simultaneously
It opens, tail gas carries out pressure release processing by the second branch pipe, and is passed into heating tube and carries out UTILIZATION OF VESIDUAL HEAT IN, finally by tail gas recycle pipe
Carry out exhaust collection.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (6)
1. a kind of system for utilizing dining table waste oil to soak fried sludge and carry out sludge continuous pyrolysis, it is characterised in that: including constant temperature plus
Hot tank is pyrolyzed fluidized bed, cyclone separator, exhaust combustion tank and oxygen cylinder, is provided with sewage sludge feed on the heated at constant temperature case
Device and waste oil feeder, heated at constant temperature bottom end are provided with heating tube, are provided with material transmission in the heated at constant temperature case
Band；It is provided with screw-feeder on the pyrolysis fluidized bed side wall, feed hopper, the charging are provided on the screw-feeder
Bucket upper end is connected with cracker, and the material conveyor belt end is extend on cracker；The pyrolysis fluidized bed top is connected to
The cyclone separator, the bottom end of the cyclone separator connect collecting bag, and top is connected to the tail gas by exhaust pipe and fires
Tank is burnt, the exhaust combustion tank is connected to oxygen cylinder, and the bottom end of the exhaust combustion tank is connected to described by tail gas return pipe
Fluidized bed bottom end.
2. the system according to claim 1 soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, feature
Be: the top of the heated at constant temperature case is provided with oil smoke cover, and it is net that the top of the oil smoke cover by fume pipe is connected to flue gas
Change device, the flue gas cleaner is connected to the exhaust collection device, is provided with flue gas blower on the fume pipe.
3. the system according to claim 1 soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, feature
It is: further includes control unit, pressure gauge, tail gas control valve, exhaust fan and the first valve is provided on the tail gas return pipe
Door, the pressure gauge, tail gas control valve, exhaust fan and the first valve are connected to described control unit.
4. the system according to claim 3 soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, feature
Be: the tail gas reflux pipe end section is the first branch pipe and the second branch pipe, and first branch pipe is connected to the pyrolysis fluidisation
Bed, it is provided with the second valve on second branch pipe, second valve is connected to described control unit.
5. the system according to claim 4 soaked fried sludge using dining table waste oil and carry out sludge continuous pyrolysis, feature
Be: second tube end is connected to described heating tube one end, and the heating tube other end is connected by tail gas recycle pipe
To the flue gas cleaner.
Dining table waste oil is utilized to carry out sludge continuous pyrolysis method 6. one kind is according to claim 1, it is characterised in that: described
The step of method are as follows:
1) sludge is fried: sludge being added into heated at constant temperature case respectively by sewage sludge feed device and waste oil feeder and dining table is useless
Oil, the sludge of immersion is carried out quick fried dehydration and forms the production of oily sludge high heating value by the waste oil of high temperature in heated at constant temperature case
Object；Flue gas cleaner carries out purified treatment to the flue gas generated in frying course and collects simultaneously；
2) pyrolysis separation: the fried sludge that desiccation has been dehydrated by conveyer belt conveys cracker, the oily sludge crushed through cracker
By screw-feeder feeding to fluidized bed is pyrolyzed, the complete substance of pyrolysis fluidized bed pyrolysis, which enters in cyclone separator, to be separated,
Non-volatile matter is collected into collecting bag；
3) waste gas utilization: the volatility tail gas in vortex finder is recycled after burning is handled；
I, when control unit monitors flow or pressure lower than fluidisation setting value, the second valve is closed, and the first valve is opened, tail gas
It is passed into pyrolysis fluidized bed by blower through the first branch pipe and is used as fluidizing gas；
Ii, when control unit monitors flow or pressure and is higher than fluidisation setting value, the first valve and the second valve open simultaneously, tail
Gas carries out pressure release processing by the second branch pipe, and is passed into heating tube and carries out UTILIZATION OF VESIDUAL HEAT IN, is finally carried out by tail gas recycle pipe
Exhaust collection.
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|---|---|---|---|
| CN201910466585.9A CN110217960A (en) | 2019-05-31 | 2019-05-31 | A kind of system and method soaking fried sludge using dining table waste oil and carry out sludge continuous pyrolysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910466585.9A CN110217960A (en) | 2019-05-31 | 2019-05-31 | A kind of system and method soaking fried sludge using dining table waste oil and carry out sludge continuous pyrolysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983319A (en) * | 2021-03-19 | 2021-06-18 | 西南石油大学 | Shale oil-based drilling cutting recycling device and method |
Citations (2)
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|---|---|---|---|---|
| WO2009038252A1 (en) * | 2007-09-18 | 2009-03-26 | Hanbat National University Industry-Academic Cooperation Foundation | Manufacturing apparatus and munufacturing method of solid fuel from organic sludge and organic waste using the fry-drying technology |
| CN204097297U (en) * | 2014-09-28 | 2015-01-14 | 天津清华德人环境工程有限公司 | Sludge reduction processing equipment for recycling |
-
2019
- 2019-05-31 CN CN201910466585.9A patent/CN110217960A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009038252A1 (en) * | 2007-09-18 | 2009-03-26 | Hanbat National University Industry-Academic Cooperation Foundation | Manufacturing apparatus and munufacturing method of solid fuel from organic sludge and organic waste using the fry-drying technology |
| CN204097297U (en) * | 2014-09-28 | 2015-01-14 | 天津清华德人环境工程有限公司 | Sludge reduction processing equipment for recycling |
Non-Patent Citations (1)
| Title |
|---|
| TAE-INOHM等: "The evapor ative drying of sludge by immersion in hot oil: Effects of oil type and temperature" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983319A (en) * | 2021-03-19 | 2021-06-18 | 西南石油大学 | Shale oil-based drilling cutting recycling device and method |
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Application publication date: 20190910 |