CN110358581A - A kind of aqueous dregs of fat are granulated again the device and method of pyrolytic gasification - Google Patents
A kind of aqueous dregs of fat are granulated again the device and method of pyrolytic gasification Download PDFInfo
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- CN110358581A CN110358581A CN201910757094.XA CN201910757094A CN110358581A CN 110358581 A CN110358581 A CN 110358581A CN 201910757094 A CN201910757094 A CN 201910757094A CN 110358581 A CN110358581 A CN 110358581A
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- 238000002309 gasification Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 97
- 238000010438 heat treatment Methods 0.000 claims abstract description 63
- 238000002156 mixing Methods 0.000 claims abstract description 61
- 239000007787 solid Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000000197 pyrolysis Methods 0.000 claims abstract description 34
- 238000004064 recycling Methods 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 claims abstract description 11
- 230000008901 benefit Effects 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 64
- 235000019198 oils Nutrition 0.000 claims description 64
- 239000003245 coal Substances 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 36
- 238000004898 kneading Methods 0.000 claims description 21
- 238000005469 granulation Methods 0.000 claims description 16
- 230000003179 granulation Effects 0.000 claims description 16
- 238000012986 modification Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920000642 polymer Polymers 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 239000008157 edible vegetable oil Substances 0.000 claims description 8
- 230000005405 multipole Effects 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000004381 surface treatment Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000013589 supplement Substances 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000000470 constituent Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000008240 homogeneous mixture Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000010419 fine particle Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000011280 coal tar Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002910 solid waste Substances 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001754 furnace pyrolysis Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
- B09B3/29—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix involving a melting or softening step
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention discloses the device and method that a kind of aqueous dregs of fat are granulated again pyrolytic gasification, the device includes quantitative powder transportation system, the modified heating mixing system of feed system, preliminary hybrid system, the dregs of fat is continuously conveyed in the dregs of fat, the dregs of fat cool down broken granulating system and light oil recovery system；Feed system, quantitative powder transportation system, preliminary hybrid system is continuously conveyed in the dregs of fat, completes the aqueous dregs of fat and is pyrolyzed the charging and proportion of powder；The modified heating mixing system of the dregs of fat completes homogeneous mixture of material heating and is kneaded；The dregs of fat cool down broken granulating system complete mixed material cool and ambient ground grinding, fines can be directly entered pyrolytic gasification in reactor and react；The recycling and utilization of light oil recovery system completion light oil constituents；Pyrolytic gasification is realized by the device and method and generates the dregs of fat, pyrolysis powder in closed cycle, not only solves environmental issue, solid be also recovered of carbonaceous waste can change utilization, which has apparent design, the advantage of manufacture and operation, and economic benefit is obvious.
Description
Technical field
The invention belongs to derived energy chemical fields, and in particular to a kind of aqueous dregs of fat are granulated the device of pyrolytic gasification and side again
Method.
Background technique
It is very big as the dregs of fat processing difficulty generated in the pyrolysis of coal of waste coal tar or pyrolysis-gasification using coal,
Most of enterprise brings very big environmentally friendly hidden danger using the method for storage, thus seek one it is safe and reliable, advanced, economical simultaneously
It can be suitble to generate the new process of dregs of fat characteristic and status using coal as the pyrolysis of coal of waste coal tar or pyrolysis-gasification, it is right
The waste residue of the oil-containing water of generation carries out harmless treatment, while guaranteeing to obtain certain economic benefit.
The powder generated and oil-containing water waste residue are pyrolyzed as raw material, is processed with heating blending method, it will be different types of
Polymer is blended using method physically or chemically, can not only significantly improve the performance of original copolymer, but also can be greatly
The expense in polymer material exploitation and development process is reduced, cost is reduced.In the blend, two kinds of components respectively constitute dispersion
Phase and continuous phase, wherein it is most commonly seen with mechanical blending method, macromolecular is broken using the Strong shear effect for being kneaded mechanical,
Free radical is generated, then is be combined with each other with other species, new structural polymer is generated, realizes performance between different polymer
Mutual supplement with each other's advantages.
There is certain volatility, the more low feature of carbonaceous powder material heap density based on the dregs of fat, the common machinery that is kneaded has mill
Machine, mixer, double screw extruder and related notion continuous mixer be difficult to meet actual process requirement, it is therefore desirable to select
Mixing system is selected as process equipment, which is water-tight equipment, greatly reduces dust pollution.
Oily substance in the pyrolysismethod recycling dregs of fat has been widely used, and thermal desorption high-temperature heat treatment is current external wide
A kind of general technique for oily sludge harmless treatment.The aqueous dregs of fat are heated to the boiling point of water or more, hydrocarbon under anaerobic
Substance cracking temperature temperature below, comes out hydrocarbons and water evaporation, and remaining body refuse, which can reach safety and environmental protection discharge, to be wanted
It asks, hydrocarbons can recycle, but its complex process, and processing cost is high, and thermal decomposition product is condensable pyrolysis oil, can not
The pyrolysis gas and solid product pyrolysis residue of condensation.The advantages of handling the dregs of fat using pyrolysismethod: 1) liquid in the dregs of fat is gentle
Body product has relatively high calorific value, is able to achieve the recycling to resource；2) volume of solid waste can be reduced, realize decrement
Change；3) it is compared with burning, for the harmful substance of dregs of fat pyrolysis discharge less than burning, it is residual that the heavy metal in the dregs of fat can be enriched in pyrolysis
In slag.
But the pyrolytic process of the existing aqueous dregs of fat, with method blending technology physically or chemically there are following defect and not
Foot:
It 1, is all continuous production by the dregs of fat generated in the pyrolysis of coal of waste coal tar or pyrolysis-gasification of coal
Process, due to the highly viscous physical characteristic of the dregs of fat, batch-type mixer greatly improves the equipment cost for storing the dregs of fat；
2, using coal as the powder generated in the pyrolysis of coal of waste coal tar or pyrolysis-gasification, have extremely strong
Adsorptivity can not utilize well, lead to the wasting of resources and environmental pollution；
If the powder that pyrolytic gasification 3, can be made full use of to generate is modified with the aqueous dregs of fat, modified material returns furnace pyrolysis energy
Realize dregs of fat harmless treatment.
Summary of the invention
In view of the deficienciess of the prior art, operating cost is low to be contained it is an object of that present invention to provide a kind of structure is simple
The water dregs of fat are granulated again the device and method of pyrolytic gasification, can recycle most of oil product in the dregs of fat, the dregs of fat, fine particles containing carbon are closed circuit
Circulation full utilization realizes that environmentally friendlyization handles solid waste.
To achieve the above object, the technical solution adopted by the present invention is that:
A kind of aqueous dregs of fat are granulated again the device of pyrolytic gasification, including quantitative powder transportation system, the dregs of fat be continuously conveyed into
The modified heating mixing system of material system, preliminary hybrid system, the dregs of fat, the dregs of fat cool down and are crushed granulating system and light oil recovery system；
Quantitative powder transportation system and the dregs of fat are continuously conveyed feed system and connect respectively with preliminary hybrid system, quantitative powder
Transportation system is used to the powder that pulverized coal pyrolysis gasification generates feeding to preliminary hybrid system by certain feed rate, and the dregs of fat connect
Continuous conveying feed system is used to the aqueous dregs of fat continuous feed that pulverized coal pyrolysis gasification generates being sent into preliminary hybrid system, preliminary mixed
Collaboration system is realized mixed for two kinds of materials to be adsorbed the oil molecule in the dregs of fat using the porosity characteristic of powder by mixing twice
Close the modification of object；
Tentatively hybrid system is connect with the modified heating mixing system of the dregs of fat, and the modified heating mixing system of the dregs of fat is used for will be preliminary
The modification dregs of fat that hybrid system is sent into realize melting mixing under conditions of airtight heating, and mixed material heating generates light component；
Light oil recovery system is connect with the modified heating mixing system of the dregs of fat adds thermogenetic light component for recycling mixed material；
The broken granulating system of dregs of fat cooling is connect with the modified heating mixing system of the dregs of fat, and the dregs of fat are modified and heat mixing system
The modification dregs of fat after heating are sent into the broken granulating system of dregs of fat cooling, and the broken granulating system of dregs of fat cooling is cold for the dregs of fat to cool down
But and grinding is broken into fines, and then is back to pulverized coal pyrolysis gasification installation.
Further, the quantitative powder transportation system includes the useless solid powder collector of pyrolysis, is pyrolyzed useless solid powder collector
The useless solid powder dust removing units of warehouse top connection and useless solid powder protect gas unit, the useless solid quantitative powder device of warehouse lower part setting and
Useless solid powders flowing purification unit, warehouse are fixed on useless solid powder material weighing unit.
Further, it includes the aqueous dregs of fat collector of high viscosity and dregs of fat feeder that feed system, which is continuously conveyed, in the dregs of fat,
It is connected after the aqueous dregs of fat collector of high viscosity and the connection of dregs of fat feeder with preliminary hybrid system.
Further, the aqueous dregs of fat collector of the high viscosity is connected with dregs of fat feeder by mirror surface treatment stainless steel tube,
And it is connect vertically by mirror surface treatment stainless steel tube with preliminary hybrid system.
Further, the preliminary hybrid system includes multipole dregs of fat mixed granulation machine, level-one is granulated baiting valve, second level is granulated
Baiting valve, level-one are granulated respirator and second level is granulated respirator；Multipole dregs of fat mixed granulation machine includes level-one pelletizer and second level
Pelletizer, level-one pelletizer top are continuously conveyed feed system with quantitative powder transportation system and the dregs of fat respectively and connect, and lower part is logical
Cross level-one be granulated baiting valve connection second level be granulated machine inlet, second level pelletizer lower part outlet connect second level be granulated baiting valve, one
Grade granulation respirator and second level are granulated respirator and are respectively arranged on level-one pelletizer and second level pelletizer, for keeping pelletizer
In slight positive pressure state.
Further, the modified heating mixing system of the dregs of fat includes the modified heating kneading machine of the dregs of fat, light oil recover and light
Oil firing machine；The modified heating kneading machine top dregs of fat entrance of the dregs of fat connects preliminary hybrid system discharge port, and the modified heating of the dregs of fat is mixed
Circulatory mediator entrance and circulatory mediator outlet the connection Light Oil Burning Machine of mill.
Further, the light oil recovery system includes edible vegetable oil recover, and edible vegetable oil recover is connected with light oil recycling can, the dregs of fat
The outlet of modified heating kneading machine light oil is connected to edible vegetable oil recover.
Further, the broken granulating system of dregs of fat cooling includes that dregs of fat cooling down device and dregs of fat modified abrasive are broken
Machine, the modified heating mixing system dregs of fat outlet of the dregs of fat be connected tos with cooling down device dregs of fat entrance, the cooling down device dregs of fat export and
The connection of dregs of fat modified abrasive crusher material inlet, the outlet of dregs of fat modified abrasive crusher are connected to modified powder transmitter, lead to
It crosses the modified modified powder sendaisle of powder transmitter and is sent to pulverized coal storehouse.
Further, the dregs of fat modified abrasive crusher is the grinding crusher of square position, bowl formula, E type or roll-type；The oil
The modified heating kneading machine of slag uses board-like, shell-and-tube, Double-coil-tube type or double sword bayonet type heat exchange modes.
The method that the aqueous dregs of fat are granulated again pyrolytic gasification, includes the following steps:
Step 1: the powder that pulverized coal pyrolysis gasification generates passes through the connection charging of quantitative powder transportation system, pulverized coal pyrolysis gas
Change the aqueous dregs of fat generated and feed system continuous feed is continuously conveyed by slag；
Step 2: both the above material enters preliminary hybrid system, is slightly mixed through pole mixing, complete the continuous of material
Charging and the mixing of 80% uniformity of material；Then the uniform mixing not less than 98% is realized in second level mixing, utilizes the porous of powder
Oil molecule in the Characteristic Adsorption dregs of fat, and realize the modification of mixture, material enters the modified heating of the dregs of fat and is kneaded after being thoroughly mixed
System；
Step 3: realizing melting mixing under conditions of the dregs of fat modified heating mixing system airtight heating, novel knot is generated
The polymer of structure realizes the mutual supplement with each other's advantages of performance between different polymer, stirs the mixed and modified dregs of fat；Mixed material
Thermogenetic light component is added further to utilize by the recycling of light oil recovery system；
Step 4: the modification dregs of fat by the modified heating mixing system melting mixing of the dregs of fat enter, dregs of fat cooling is broken to be granulated
System cools down to room temperature, is then ground to obtain the fines of 60~200 mesh, fines is sent to by modified powder transmitter
Pulverized coal storehouse, and then it is back to the reaction of pulverized coal pyrolysis gasification installation.
The beneficial effects of the invention are that:
1) by using coal as the useless solid fine particles containing carbon generated in the pyrolysis of coal of waste coal tar or pyrolysis-gasification and
The aqueous dregs of fat are sent into preliminary hybrid system and are mixed through two-stage, make full use of respective characteristic, utilize the extremely strong absorption of fine particles containing carbon
Property adsorb oiliness molecule in the aqueous dregs of fat, and realize the modification of mixture, reduce the solid, liquid ratio of the dregs of fat, improve coal blending powder
Performance；
2) melting mixing is realized under conditions of the dregs of fat modified heating mixing system airtight heating, generate new structural poly-
Object is closed, is realized sufficiently mutual after the mutual supplement with each other's advantages of performance between different polymer, the combination of fine particles containing carbon and the dregs of fat, the two can heat
Molten, two kinds of substances physical property as far as possible is close, and low-boiling point liquid can burn heat production, provides heat source, low-boiling point liquid for the modified dregs of fat
It can also recycle；
3) melting mixing high boiling liquid can be absorbed by powder and solidify, and then cooling down through the dregs of fat, it is cooling to be crushed granulating system
It is formed afterwards blocky, has after crushing and the close performance of coal dust, be fully able to meet and return furnace requirement；
4) realize that the continuous production of the aqueous dregs of fat mixing granulation of high viscosity, equipment cost substantially reduce；
5) industrial demonstration unit, under the premise of meeting continuous production, the aqueous dregs of fat and fine particles containing carbon Returning reactor are again
Pyrolytic gasification is most economical, most environmentally friendly technique, and the stability of technique is verified in pilot-plant.
Apparatus of the present invention structure is simple, cheap, and operating cost is low, according to live reality, can recycle big in the dregs of fat
Part oil product, fine particles containing carbon can further gasify, and closed cycle is formed in system, realize that environmentally friendlyization handles solid waste, lead to
Circulation digestion is useless solid in crossing, so that the useless solid discharge amount of strict control, recycles most of oil product in the dregs of fat, the dregs of fat, fine particles containing carbon
And be fully utilized, energy economy & environment value protrudes.
Pyrolytic gasification is realized by the device and method and generates the dregs of fat, pyrolysis powder in closed cycle, not only solves ring
Guarantor's problem, solid be also recovered of carbonaceous waste can change utilization, which has apparent design, the advantage of manufacture and operation, economy effect
It is beneficial obvious.
Further, the aqueous dregs of fat collector of the high viscosity and dregs of fat feeder be by mirror surface treatment stainless steel tube with
Preliminary hybrid system level-one mixing granulation system connects vertically, realizes the continuous feed of the high viscosity dregs of fat, effectively prevents high viscosity
The problem of blocking of the dregs of fat.
The pyrolytic process of the relatively existing aqueous dregs of fat of the present invention has following spy with method blending technology physically or chemically
Point:
1, feed system is continuously conveyed using quantitative powder transportation system and the dregs of fat, opposite batch-type mixer, which substantially reduces, to be deposited
The equipment cost of oil storage slag；
2, the oiliness molecule in the aqueous dregs of fat is adsorbed using the extremely strong adsorptivity of fine particles containing carbon, makes full use of the suction of powder
Attached property reduces the solid, liquid ratio of the dregs of fat, increases economic efficiency；
3, making full use of pyrolytic gasification to generate, powder is modified with the aqueous dregs of fat, and it is to be able to achieve the dregs of fat that modified material, which returns furnace pyrolysis,
Most effective, the most environmentally friendly processing mode of harmless treatment.
Detailed description of the invention
Fig. 1 is the process flow diagram of invention；
In figure: 1, the useless solid powder collector of pyrolysis；2, the aqueous dregs of fat collector of high viscosity；3, multipole dregs of fat mixing granulation
Machine；4, the modified heating kneading machine of the dregs of fat；5, dregs of fat cooling down device；6, dregs of fat modified abrasive crusher；7, light oil recover；8,
Light Oil Burning Machine；9, modified powder transmitter；10, light oil recycling can；11, modified powder sendaisle；12, useless solid powder dedusting
Unit；13, the solid powder that gives up protects gas unit；14, give up solid powder material weighing unit；15, give up solid powders flowing purification unit；16, give up solid powder
Anticipate measuring device；17, level-one is granulated baiting valve；18, second level is granulated baiting valve；19, level-one is granulated respirator；20, second level granulation is exhaled
Haustorium；21, circulatory mediator exports；22, circulatory mediator entrance；23, cooling cycle water inlet；24, cooling circulating water outlet；25,
Light oil blow-off valve；26, dregs of fat feeder；27, pulverized coal storehouse.
Specific embodiment
Present invention is further described in detail combined with specific embodiments below, but not as a limitation of the invention.
Referring to Fig. 1, the device that the aqueous dregs of fat of the invention are granulated again pyrolytic gasification includes: quantitative powder transportation system, oil
The modified heating mixing system of feed system, preliminary hybrid system, the dregs of fat is continuously conveyed in slag, dregs of fat cooling is crushed granulating system and light
Oil recovery system；
The quantitative powder transportation system includes the useless solid powder collector 1 of pyrolysis, is pyrolyzed on useless solid 1 warehouse of powder collector
The useless solid powder dust removing units 12 of portion's connection and useless solid powder protect gas unit 13, useless solid 16 He of quantitative powder device of warehouse lower part setting
Useless solid powders flowing purification unit 15, warehouse are fixed on useless solid powder material weighing unit 14.
The useless solid quantitative powder transportation system of pyrolysis, it is useless solid for storing, measuring pyrolysis gasifying device generation powder type, it gives up solid
Powder protects gas unit 13 to generate high temperature powder, and solid waste consolidates powders flowing purification unit 15 and realizes powders flowing purification, useless solid quantitative powder device
16 are delivered to preliminary hybrid system at regular time and quantity.
It includes the aqueous dregs of fat collector 2 of high viscosity and dregs of fat feeder 26 that feed system, which is continuously conveyed, in the dregs of fat, and high viscosity contains
Water dregs of fat collector 2 and dregs of fat feeder 26 pass through mirror surface treatment stainless steel tube and preliminary hybrid system level-one mixing granulation system
Vertical connection.
Preliminary hybrid system includes multipole dregs of fat mixed granulation machine 3, level-one is granulated baiting valve 17, second level is granulated baiting valve
18, level-one is granulated respirator 19, second level is granulated respirator 20.Level-one pelletizer top and useless solid quantitative powder device 16, the dregs of fat into
Glassware 26, lower part are granulated baiting valve 17 by level-one and connect second level granulation machine inlet, second level pelletizer lower part outlet connection two
Grade is granulated baiting valve 18.Level-one is granulated respirator 19 and second level is granulated respirator 20 and is used to keep at multipole dregs of fat mixed granulation machine
In slight positive pressure state.
Useless solid quantitative powder device is formed by useless solid quantitative powder device 16 and useless solid powder material weighing unit 14, completes charging timing
It is quantitative, feeding coal is accurately controlled by the frequency of the useless solid quantitative powder device 16 of process control feed time and positive displacement.
The modified heating mixing system of the dregs of fat includes the modified heating kneading machine 4 of the dregs of fat, light oil recover 7 and Light Oil Burning Machine 8.
Modified heating 4 top dregs of fat entrance of the kneading machine connection second level of the dregs of fat is granulated baiting valve 18, and circulating thermal medium is by circulatory mediator entrance
22 enter the modified heating kneading machine 4 of the dregs of fat, and by the 21 modified heating kneading machine 4 of the discharge dregs of fat of circulatory mediator outlet, circulatory mediator enters
21 connection Light Oil Burning Machines 8 of mouth 22 and circulatory mediator outlet, modified heating 4 light oil of kneading machine of the dregs of fat, which exports, is connected to edible vegetable oil recycling
Device 7, edible vegetable oil recover 7 are connected with light oil recycling can 10.All or part of light oil, light oil burning can be recycled in light oil recover 7
Device 8 can also introduce natural gas or low heat value synthesis gas as fuel using the light oil of recycling as fuel.Light oil recycling
The light oil constituents that device 7 recycles is at 70 DEG C~170 DEG C.
Plate-type heat-exchange can be used in the modified heating kneading machine 4 of the dregs of fat, pipe shell type heat exchange, Double-coil-tube type heat exchange, double sword bayonet types change
The heat exchange modes such as heat.The light oil constituents that the modified heating kneading machine 4 of the dregs of fat generates can fire after the recycling of light oil recover 7 to light oil
Burner 8 supplies fuel, can also pass through the recycling of light oil recycling can 10, light oil blow-off valve 25 is arranged at 10 bottom of light oil recycling can.The dregs of fat change
Property heating 4 initial start stage of kneading machine heat source provided by electric heating or steam-heated form.Light oil recovery system completes oil
The recycling and utilization of the modified heating mixing system volatilization light oil constituents of slag, generate heat using light oil burning and remove heated material.
The broken granulating system of dregs of fat cooling includes dregs of fat cooling down device 5, dregs of fat modified abrasive crusher 6 and corresponding cooling
Circulation.The modified heating 4 lower part dregs of fat of the kneading machine outlet of the dregs of fat is connected to 5 dregs of fat entrance of cooling down device, 5 dregs of fat of cooling down device
Outlet is connected to 6 material inlet of dregs of fat modified abrasive crusher, and cooling cycle water inlet 23 is arranged in cooling down device 5 and cooling follows
Ring water out 24, the outlet of dregs of fat modified abrasive crusher 6 are connected to modified powder transmitter 9.
The lapping mode of dregs of fat modified abrasive crusher 6 can be square position mill, bowl shaped mill, E type mill and roller mill.It is heated
The dregs of fat after mixing enter dregs of fat modified abrasive crusher 6 after 5 cooling down to room temperature of dregs of fat cooling down device, change through the dregs of fat
Property grinding crusher 6 be crushed to 60~200 mesh, powder is sent to by the modified modified powder sendaisle 11 of powder transmitter 9
Coal bunker 27, and then it is back to pulverized coal pyrolysis gasification installation.
The modification dregs of fat of 60~200 mesh of satisfaction generated after crushing grinding can be directly entered pulverized coal storehouse and raw material coal dust is mixed
Conjunction reenters in pyrolytic gasification reactor.
The powder that pyrolytic gasification generates, in powder fine particles containing carbon be carbon content 60wt% (analysis base) or more dry pulverized coal,
It is pyrolyzed one or more mixing of powder, fine ash, gasification lime-ash etc..
The method for being granulated again pyrolytic gasification based on the aqueous dregs of fat of the above-mentioned apparatus present invention includes the following steps:
Step 1: the powder that pulverized coal pyrolysis gasification generates, under the process control of useless solid quantitative powder device by it is certain into
Expect that rate is pyrolyzed useless solid powder collector 1 and fed, pulverized coal pyrolysis gasification generates the aqueous dregs of fat and receives by the aqueous dregs of fat of high viscosity
2 continuous feed of storage.
Step 2: the pole mixed granulation machine that both the above material enters preliminary hybrid system is slightly mixed, set in program
It completes material in the fixed time to mix for the first time, main 80% uniformity of continuous feed and material for completing material of this mixing；
Then material is granulated baiting valve 17 by level-one and is further mixed into second level mixed granulation machine, in second level mixing granulation system
System realizes the uniform mixing not less than 98%, and the porosity characteristic of powder is made full use of to adsorb the oil molecule in the dregs of fat, and realizes mixed
The modification of object is closed, material enters the modified heating kneading machine 4 of the dregs of fat after being thoroughly mixed；
Step 3: realizing melting mixing under conditions of the dregs of fat modified heating 4 airtight heating of kneading machine, cut by force at high temperature
The effect of cutting is broken macromolecular, generates free radical, then be combined with each other with other species, generates new structural polymer,
The mutual supplement with each other's advantages for realizing performance between different polymer, stirs the mixed and modified dregs of fat；Mixed material heating generates light
Component, Light Oil Burning Machine 8 are burnt the heat released after light component oil product, as the heat source in the modified heating kneading machine 4 of the dregs of fat, gently
Light component Oil Recovery is not consumed in oil saver 7 into light oil recycling can 10, by 25 discharge system of light oil blow-off valve into one
Step utilizes；
Step 4: the modified dregs of fat pass through dregs of fat cooling down device 5, which is improved, and forms gel structure, springform
Amount improves, and being down to room temperature has stronger hardness, can preferably grind index, has good processing performance；
Step 5: the cooling modification dregs of fat enter dregs of fat modified abrasive crusher 6, ground through dregs of fat modified abrasive crusher 6
The fines of 60~200 mesh after mill is sent to pulverized coal storehouse 27 by modified powder transmitter 9, and then is back to pulverized coal pyrolysis gas
Change device reaction.
Finally it should be noted that: the above examples are only used to illustrate the technical scheme of the present invention rather than its limitations, to the greatest extent
Pipe is described the invention in detail referring to above-described embodiment, it should be understood by those ordinary skilled in the art that: still may be used
With modifications or equivalent substitutions are made to specific embodiments of the invention, and repaired without departing from any of spirit and scope of the invention
Change or equivalent replacement, should all cover in present claims range.
Claims (10)
1. the device that a kind of aqueous dregs of fat are granulated again pyrolytic gasification, it is characterised in that: connect including quantitative powder transportation system, the dregs of fat
Continuous conveying feed system, preliminary hybrid system, the modified heating mixing system of the dregs of fat, the broken granulating system of dregs of fat cooling and light oil return
Receipts system；
Quantitative powder transportation system and the dregs of fat are continuously conveyed feed system and connect respectively with preliminary hybrid system, quantitative powder conveying
System is used to the powder that pulverized coal pyrolysis gasification generates feeding to preliminary hybrid system by certain feed rate, and the dregs of fat are continuously defeated
Aqueous dregs of fat continuous feed of the feed system for generating pulverized coal pyrolysis gasification is sent to be sent into preliminary hybrid system, preliminary mixed stocker
It unites for two kinds of materials to be adsorbed by mixing twice using the porosity characteristic of powder to the oil molecule in the dregs of fat, and realizes mixture
Modification；
Preliminary hybrid system is connect with the modified heating mixing system of the dregs of fat, and the modified heating mixing system of the dregs of fat will be for will tentatively mix
The modification dregs of fat that system is sent into realize melting mixing under conditions of airtight heating, and mixed material heating generates light component；Light oil
Recovery system is connect with the modified heating mixing system of the dregs of fat adds thermogenetic light component for recycling mixed material；
The broken granulating system of dregs of fat cooling is connect with the modified heating mixing system of the dregs of fat, and the dregs of fat are modified and heat mixing system heating
The modification dregs of fat afterwards are sent into the broken granulating system of dregs of fat cooling, and the broken granulating system of dregs of fat cooling is used for dregs of fat cooling down simultaneously
Grinding is broken into fines, and then is back to pulverized coal pyrolysis gasification installation.
2. the device that the aqueous dregs of fat according to claim 1 are granulated again pyrolytic gasification, it is characterised in that: the quantitative powder
Transportation system includes that pyrolysis is useless solid powder collector (1), is pyrolyzed the useless useless solid powder of solid powder collector (1) warehouse top connection and removes
Dirt unit (12) and useless solid powder protection gas unit (13), warehouse lower part setting useless solid quantitative powder device (16) and useless solid powder stream
Change unit (15), warehouse is fixed on useless solid powder material weighing unit (14).
3. the device that the aqueous dregs of fat according to claim 1 are granulated again pyrolytic gasification, it is characterised in that: the dregs of fat are continuous
Conveying feed system includes the aqueous dregs of fat collector (2) of high viscosity and dregs of fat feeder (26), the aqueous dregs of fat collector of high viscosity
(2) and after dregs of fat feeder (26) connection it is connected with preliminary hybrid system.
4. the device that the aqueous dregs of fat according to claim 3 are granulated again pyrolytic gasification, it is characterised in that: the high viscosity contains
Water dregs of fat collector (2) is connected with dregs of fat feeder (26) by mirror surface treatment stainless steel tube, and passes through mirror surface treatment stainless steel
Pipe is connect vertically with preliminary hybrid system.
5. the device that the aqueous dregs of fat according to claim 1 are granulated again pyrolytic gasification, it is characterised in that: the preliminary mixing
System includes multipole dregs of fat mixed granulation machine (3), level-one is granulated baiting valve (17), second level is granulated baiting valve (18), level-one is granulated
Respirator (19) and second level are granulated respirator (20)；Multipole dregs of fat mixed granulation machine (3) includes that level-one pelletizer and second level are granulated
Machine, level-one pelletizer top are continuously conveyed feed system with quantitative powder transportation system and the dregs of fat respectively and connect, and lower part passes through one
Grade is granulated baiting valve (17) connection second level and is granulated machine inlet, and second level pelletizer lower part outlet connects second level and is granulated baiting valve
(18), level-one is granulated respirator (19) and second level is granulated respirator (20) and is respectively arranged at level-one pelletizer and second level pelletizer
On, for keeping pelletizer to be in slight positive pressure state.
6. the device that the aqueous dregs of fat according to claim 1 are granulated again pyrolytic gasification, it is characterised in that: the dregs of fat are modified
Heating mixing system includes modified heating kneading machine (4) of the dregs of fat, light oil recover (7) and Light Oil Burning Machine (8)；The dregs of fat are modified to be added
Hot milling machine (4) top dregs of fat entrance connects preliminary hybrid system discharge port, the circulatory mediator of modified heating kneading machine (4) of the dregs of fat
Entrance (22) and circulatory mediator outlet (21) connection Light Oil Burning Machine (8).
7. the device that the aqueous dregs of fat according to claim 6 are granulated again pyrolytic gasification, it is characterised in that: the light oil recycling
System includes edible vegetable oil recover (7), and edible vegetable oil recover (7) is connected with light oil recycling can (10), modified heating kneading machine (4) of the dregs of fat
Light oil outlet is connected to edible vegetable oil recover (7).
8. the device that the aqueous dregs of fat according to claim 1 are granulated again pyrolytic gasification, it is characterised in that: the dregs of fat cooling
Broken granulating system includes dregs of fat cooling down device (5) and dregs of fat modified abrasive crusher (6), the modified heating mixing system of the dregs of fat
Dregs of fat outlet is connected to cooling down device (5) dregs of fat entrance, the outlet of cooling down device (5) dregs of fat and dregs of fat modified abrasive crusher
(6) material inlet is connected to, and dregs of fat modified abrasive crusher (6) outlet is connected to modified powder transmitter (9), passes through modified powder
The modified powder sendaisle (11) of transmitter (9) is sent to pulverized coal storehouse (27).
9. the device that the aqueous dregs of fat according to claim 1-8 are granulated again pyrolytic gasification, it is characterised in that: described
Dregs of fat modified abrasive crusher (6) is the grinding crusher of square position, bowl formula, E type or roll-type；The modified heating kneading machine of the dregs of fat
(4) using board-like, shell-and-tube, Double-coil-tube type or double sword bayonet type heat exchange modes.
10. the method that the aqueous dregs of fat based on claim 1 described device are granulated again pyrolytic gasification, it is characterised in that including as follows
Step:
Step 1: the powder that pulverized coal pyrolysis gasification generates is by the connection charging of quantitative powder transportation system, pulverized coal pyrolysis gasification is produced
Feed system continuous feed is continuously conveyed by slag in the raw aqueous dregs of fat；
Step 2: both the above material enters preliminary hybrid system, is slightly mixed through pole mixing, complete the continuous feed of material
It is mixed with 80% uniformity of material；Then the uniform mixing not less than 98% is realized in second level mixing, utilizes the porosity characteristic of powder
The oil molecule in the dregs of fat is adsorbed, and realizes the modification of mixture, material enters the modified heating mixing system of the dregs of fat after being thoroughly mixed；
Step 3: realizing melting mixing under conditions of the dregs of fat modified heating mixing system airtight heating, generate new structural
Polymer realizes the mutual supplement with each other's advantages of performance between different polymer, stirs the mixed and modified dregs of fat；Mixed material heating
The light component of generation is further utilized by the recycling of light oil recovery system；
Step 4: the modification dregs of fat by the modified heating mixing system melting mixing of the dregs of fat enter the broken granulating system of dregs of fat cooling
Room temperature is cooled down to, is then ground to obtain the fines of 60~200 mesh, fines passes through modified powder transmitter (9) and is sent to
Pulverized coal storehouse (27), and then it is back to the reaction of pulverized coal pyrolysis gasification installation.
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