CN109355106A - A kind of coal and dregs of fat cotransformation device and method - Google Patents
A kind of coal and dregs of fat cotransformation device and method Download PDFInfo
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- CN109355106A CN109355106A CN201811392321.5A CN201811392321A CN109355106A CN 109355106 A CN109355106 A CN 109355106A CN 201811392321 A CN201811392321 A CN 201811392321A CN 109355106 A CN109355106 A CN 109355106A
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- 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
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
- C10C1/20—Refining by chemical means inorganic or organic compounds
-
- 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
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
- C10J3/56—Apparatus; Plants
-
- 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
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
-
- 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
- C10J2300/0903—Feed preparation
-
- 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
- C10J2300/0936—Coal fines for producing producer gas
-
- 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
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
Abstract
The present invention discloses a kind of coal and dregs of fat cotransformation device and method, coal and dregs of fat cotransformation device, including unite into coal measures, the dregs of fat refine system in advance and cotransformation system；It joined the dregs of fat during dregs of fat pre-processing and refine device in advance, so that the dregs of fat is preheated and is uniformly mixed and generates slurry oil, not only avoid the blocking of conveyance conduit, and effectively increase the changing effect of subsequent reactions process, bottom side is provided with gas impact cone, fluidisation charging gear etc. inside lock hopper, feed hopper, prevent coal dust in transmission process from blocking in pipeline, it ensure that the uninterrupted of coal dust feed, conveying airgun controller is provided with before dispenser, the continuous-feeding that can achieve coal dust ensure that the accuracy of coal dust inlet amount；The dregs of fat, coal dust in converter with reaction gas homogeneous reaction, intermolecular effective collision probability improves, improve the quality of reaction conversion ratio and product coal gas and tar, waste oil residue and the coal dust cotransformation in converter, reach the effective use and conversion of waste, and generates the higher coal gas of calorific value and the preferable coai-tar product of quality.
Description
Technical field
The invention belongs to coal chemical technology, it is related to a kind of coal and dregs of fat cotransformation device and method.
Background technique
Rich coal, few gas, oil starvation are the essential characteristics of China's energy resource structure, and coal will be main primary in 20 years futures
The energy.2016, China's total energy consumption was 43.6 hundred million tons of standard coals, and non-fossil energy-consuming specific gravity is increased to 13%, day
Right gas consumption ratio is increased to 6.3% again, and consumption of coal specific gravity drops to 63%, and coal still plays extremely in China's economic development
Close important role.Although with the exploitation of the new energy such as the continuous adjustment of China's energy resource structure and renewable energy, coal exists
Proportion is declined slightly in China's energy resource structure, but can not be changed and be obtained industrial chemicals with coal supplement petroleum to reduce to stone
The development trend that oil relies on.Low-disintegration coal has the characteristics that low ash, low-phosphorous, low-sulfur, golf calorific value and low caking property, is high-quality low
Warm destructive distillation, industrial gasification, liquefaction and steam coal.It is pyrolyzed the tar extracted in coal by low-disintegration coal, to thermal decomposition product coal gas
Carry out sub-prime utilization with semicoke, be a large amount of low-disintegration coals in China efficiently, an effective way utilizing of environmental protection.
Along with the low temperature pyrogenation of low-order coal, which can generate semicoke, coal dust etc. and mix with the paste of heavy coal tar
The object dregs of fat, it is domestic mainly using centrifugal separation, sedimentation, incineration method etc..Centrifugal separation higher cost, and separating effect
It is not thorough；Sedimentation settles the dregs of fat, extracts part oil by squeezing, residue, which is buried, still has pollution；Incineration method generally will
Dregs of fat concentration pretreatment, after send to incinerator and burn, secondary pollution is larger.In addition, as coal preparation machine degree is gradually increased,
The lump coal rate of mechanical coal mining 20~30%, causes the quantity of fine coal to increase very fast mostly.A large amount of fine coal resource cannot obtain
It is utilized to effective, not only waste of energy, but also pollution environment.
In order to save the energy, the pollution of reduction fine coal, the dregs of fat to environment rationally utilizes these resources, and fine coal is low with coal
It is that solve coal dust, the dregs of fat sharp again that waste oil residue cotransformation, which is the preferable coal tar of quality, the higher coal gas of calorific value, after warm solution
Critical issue.
Summary of the invention
The purpose of the present invention is to provide a kind of coals and dregs of fat cotransformation device and method, by the dregs of fat and coal dust cotransformation
Coal gas and coal tar are generated, waste oil residue is thoroughly solved under the premise of economy and the feature of environmental protection and the utilization of low order coal dust is asked
Topic.
The present invention uses following scheme to achieve the above object:
A kind of coal and dregs of fat cotransformation device, including unite into coal measures, the dregs of fat refine system in advance and cotransformation system；
Include the coal bunker, lock hopper, feed hopper, the charging gear that are from top to bottom sequentially arranged into coal measures system, coal bunker and lock hopper,
Balancer balance pressure is separately connected between lock hopper and feed hopper；Bottom side is provided with gas impact cone, stream inside lock hopper, feed hopper
The one or two kinds of combinations for changing charging gear, strengthen coal dust blanking, prevent coal dust from building bridge；Charging gear passes through conveying gas control system
Device is connected to conveying gas gas source, and charging gear is connected with solid mixer；
The system of refining includes that the dregs of fat being from top to bottom sequentially arranged refine device, slurry oil Apparatus for spraying and jetting particulate materials, slurry oil controller in advance to the dregs of fat in advance, oil
Atomizer is in series between slurry Apparatus for spraying and jetting particulate materials and slurry oil controller, atomizer entrance is connected by atomization airgun controller and atomization gas gas source
Logical, slurry oil controller is connected with solid mixer；
Cotransformation system includes coal-dregs of fat converter, be distributed on the coal-dregs of fat converter middle and upper part and middle and lower part 2 into
Material mouth and the gas fluidized device for being from top to bottom distributed in coal-dregs of fat converter bottom and side vertically；
It connects between slurry oil controller and coal-dregs of fat converter and is fed with coal-dregs of fat converter middle and upper part after delivery nozzles
Mouthful connection, after delivery nozzles of connecting between solid mixer and coal-dregs of fat converter with coal-dregs of fat converter middle and lower part feed inlet
Connection；Top is provided with oil gas product exit, and connection product recycling, oil product rectifying, exhaust gas processing device, bottom is provided with lime-ash
Exhaust outlet, the combination of coal-dregs of fat converter outside heat removing or the internal one or both from heat supply heat transfer type.
The gas fluidized device of coal-dregs of fat converter is connected to by reacting airgun controller with reaction gas gas source.
Further, lock hopper, inside feed hopper bottom side be provided with gas impact cone, fluidisation charging gear it is one or two kinds of
Combination
Further, atomizer is provided with 3~10 air inlets of fan-shaped distribution.
Further, coal-between dregs of fat converter middle and upper part feed inlet and middle and lower part feed inlet difference in height be 0~10m.
Further, the gas fluidized device of the coal-dregs of fat converter is from top to bottom distributed in coal-dregs of fat converter bottom vertically
Portion and side, difference in height 0.1-5m.
It further, is oil gas product exit, connection product recycling, oil product rectifying, tail gas at the top of the coal-dregs of fat converter
Processing unit；Bottom is lime-ash exhaust outlet.
Further, the coal-dregs of fat converter is the group of outside heat removing or the internal one or both from heat supply heat transfer type
It closes.
Coal and dregs of fat co-transformation method of particle, comprising the following steps:
Step 1: coal enters lock hopper by coal bunker, enters feed hopper by lock hopper, by balancer balance coal bunker and lock hopper,
Pressure between lock hopper and feed hopper；Strengthen coal dust by one or two kinds of combinations of gas impact cone, fluidisation charging gear
Blanking prevents coal dust from building bridge；
Step 2: conveying gas enters solid dispenser via conveying airgun controller, by solid dispenser by feed hopper bottom
The ribbing of subordinate's material enters solid mixer；
Step 3: the dregs of fat, which enter the dregs of fat and refine device in advance, to be stirred, preheats, and forms the slurry oil of mobility through slurry oil Apparatus for spraying and jetting particulate materials
Into atomizer；
Step 4: atomization gas enters atomizer via atomization airgun controller, is atomized to the slurry oil for entering atomizer, out
Mouth is connected with solid mixer and coal-dregs of fat converter middle and upper part feed inlet；
Step 5: after the slurry oil after atomization mixes in solid mixer with coal, enter coal-dregs of fat by delivery nozzles and turn
Change device middle and lower part feed inlet；Slurry oil enters coal-dregs of fat converter middle and upper part feed inlet by delivery nozzles, in solid mixer
Coal enters coal-dregs of fat converter middle and lower part feed inlet via delivery nozzles, and coal mixes in coal-dregs of fat converter with slurry oil；
Step 6: reaction gas enters coal-dregs of fat converter through gas fluidized device by reaction airgun controller, mixed
Coal and slurry oil react in coal-dregs of fat converter with reaction gas；
Step 7: by oil gas product exit recovery product, into exhaust gas processing device, waste residue is exported by deslagging and is discharged.
Further, the reaction gas that the coal-dregs of fat converter air inlet is sent into includes carbon monoxide, carbon dioxide, hydrogen
Gas, methane, oxygen and nitrogen, wherein hydrogen accounts for the 10~50% of reaction gas total volume, methane account for reaction gas total volume 10~
30%.
Further, the coal for participating in cotransformation is fine coal, and coal is low-disintegration coal, and the fixed carbon content of air-dried basis is not less than
40%, air-dried basis volatile matter content be not less than 20%, content of ashes be not higher than 30wt%, coal ash melting property range 1100~
1500 DEG C, 40~350 mesh of fine coal particle size range.
Further, the dregs of fat water content for participating in cotransformation is 0~10%；Oil content is not less than 20%, and wherein naphtalene oil is not low
In 5%, carbolic oil is not less than 10%, and liquid alkane is not less than 10%；Carbon content range 10~80% in solid.
Further, it is 200~400 DEG C that the dregs of fat refine device outlet slurry oil temperature in advance；Coal and slurry oil enter coal-dregs of fat and turn
Changing device temperature is 300~500 DEG C；Coal -450~800 DEG C of range of dregs of fat converter interior reaction temperature, slurry oil and coal quality ratio are 1:
0~1:20,0.001~8.0MPaG of reaction pressure range.
Further, atomization gas includes carbon dioxide, nitrogen and steam.
The invention has the characteristics that:
1, the coal for participating in cotransformation is fine coal, and coal is low-disintegration coal, and the fixed carbon content of air-dried basis is not less than 40%,
Air-dried basis volatile matter content is not less than 20%, and content of ashes is not higher than 30wt%, coal ash melting property range 1100~1500
DEG C, 40~350 mesh of fine coal particle size range；With carbon monoxide, carbon dioxide, hydrogen, methane, oxygen and nitrogen etc. for reaction gas,
The dregs of fat for participating in cotransformation enter coal-dregs of fat cotransformation device after atomizer is atomized, and temperature is 300~500 DEG C；Coal-dregs of fat turn
Change 450~800 DEG C of device interior reaction temperature range, slurry oil and coal quality ratio are 1:0~1:20, reaction pressure range 0.001~
8.0MPaG。
2, dregs of fat mobility improves.The present invention joined the dregs of fat during dregs of fat pre-processing and refine device in advance, enable the dregs of fat
It is enough to preheat and be uniformly mixed generation slurry oil, the blocking of conveyance conduit is not only avoided, but also effectively increase subsequent reactions process
Changing effect.
3, the continuous-feeding of coal dust.Present invention uses coal bunker, lock hopper, three stage arrangement of feed hopper, inside lock hopper, feed hopper
Bottom side is provided with one or two kinds of combinations of gas impact cone, fluidisation charging gear, prevents in transmission process coal dust in pipeline
Middle blocking ensure that the uninterrupted of coal dust feed；And it is provided with conveying airgun controller before dispenser, can achieve coal dust
Continuous-feeding ensure that the accuracy of coal dust inlet amount.
4, the uniform feeding of slurry oil.Present invention employs atomizers, and atomization gas is cooperated to use, and keep the solid in slurry oil small
Particle and coal tar can be shattered into homogeneous phase, improve the efficiency of subsequent transformation.
5, coal-dregs of fat converter efficiency improves.Converter design of the invention has middle and upper part and the feed inlet of middle and lower part 2
It is from top to bottom distributed in the gas fluidized device of coal-dregs of fat converter bottom and side vertically, makes the dregs of fat, coal dust in converter
With reaction gas homogeneous reaction, intermolecular effective collision probability is improved, and improves the product of reaction conversion ratio and product coal gas and tar
Matter.
6, the present invention utilize waste oil residue and the coal dust cotransformation in converter, reached waste effective use and
Conversion, and generate the higher coal gas of calorific value and the preferable coai-tar product of quality.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention
In figure: 1, coal bunker；2, lock hopper；3, feed hopper；4, solid mixer；5, coal-dregs of fat converter；6, the dregs of fat refine in advance
Device；7, slurry oil Apparatus for spraying and jetting particulate materials；8, atomizer；9, balancer；10, solid dispenser；11, delivery nozzles；12, reaction gas；13, it conveys
Gas；14, atomization gas；15, the dregs of fat；16, coal；17, airgun controller is reacted；18, airgun controller is conveyed；19, it is atomized airgun controller；
20, slurry oil controller；21, slag-drip opening；22, Product recycling and vent gas treatment；23, gas impact cone；24 fluidisation charging gears；25
Gas fluidized device.
Specific embodiment
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as to limit of the invention
It is fixed.
Referring to Fig. 1, the present invention includes refining system and cotransformation system in advance into coal measures system, the dregs of fat.It include coal bunker into coal measures system
1, lock hopper 2, feed hopper 3, solid dispenser 10.The system of refining includes that the dregs of fat refine device 6, slurry oil Apparatus for spraying and jetting particulate materials 7, slurry oil control in advance to the dregs of fat in advance
Device 20.Cotransformation system includes coal-dregs of fat converter 5.
It include coal bunker 1, lock hopper 2, feed hopper 3, the charging gear 10 being from top to bottom sequentially arranged into coal measures system, in coal bunker 1
It is separately connected balancer 9 between lock hopper 2, lock hopper 2 and feed hopper 3 and balances pressure, bottom side is provided with gas inside lock hopper, feed hopper
One or two kinds of combinations of body impact cone 23, fluidisation charging gear 24.Conveying gas 13 is connected with charging gear 10, centre string
It is associated with conveying airgun controller 18, the gases such as transport of carbon dioxide, nitrogen, charging gear 10 is connected with solid mixer 4.
The system of refining includes that the dregs of fat being from top to bottom sequentially arranged refine device 6, slurry oil Apparatus for spraying and jetting particulate materials 7, slurry oil controller in advance to the dregs of fat in advance
20, atomizer 8 is in series between slurry oil Apparatus for spraying and jetting particulate materials 7 and slurry oil controller 20,8 entrance of atomizer is connected with atomization gas 14, intermediate
It is in series with atomization airgun controller 19, atomizer 8 is provided with 3~5 air inlets, and fan-shaped distribution, atomization gas includes titanium dioxide
The gases such as carbon, nitrogen, steam, atomizer can make solid granule and coal tar in slurry oil be shattered into homogeneous phase, after raising
The efficiency of continuous conversion.
Slurry oil controller 20 is connected with solid mixer 4, connects between slurry oil controller 20 and coal-dregs of fat converter 5
There are delivery nozzles 11, is in series with delivery nozzles 11 between solid mixer 4 and coal-dregs of fat converter 5.
Coal-dregs of fat converter 5 reacts conversion with the dregs of fat for coal, and middle and upper part and the feed inlet of middle and lower part 2 are distributed with thereon
It is from top to bottom distributed in coal -5 bottom of dregs of fat converter and side gas fluidized device 25 vertically, makes coal dust, the dregs of fat and reaction
Gas effectively mixes；Difference in height h is arranged in 5 middle and upper part feed inlet of coal-dregs of fat converter and middle and lower part feed inlet, keeps coal dust and the dregs of fat real
0~10m of range is arranged in uniform hybrid reaction in existing converter, height difference, and gas fluidized device 25 is in coal-dregs of fat converter 5 bottom
And side, difference in height d is vertical from top to bottom to be distributed, spacing 0.1-5m, is provided with oil gas product at the top of coal-dregs of fat converter 5 and goes out
Mouth 22, connection product recycling, oil product rectifying, exhaust gas processing device, bottom are provided with lime-ash exhaust outlet 21, coal-dregs of fat conversion
Device 5 is the combination of outside heat removing or the internal one or both from heat supply heat transfer type.
Slurry oil controller 20 is connected to 5 middle and upper part feed inlet of coal-dregs of fat converter, and solid mixer 4 and coal-dregs of fat convert
The connection of 5 middle and lower part feed inlet of device.
Reaction gas 12 is connected with airgun controller 17 is reacted, and reaction airgun controller 17 is through gas fluidized device 25 and coal-dregs of fat
Converter 5 is connected to.
Method for transformation of the invention the following steps are included:
Step 1: coal by coal bunker 1 enter lock hopper 2, by lock hopper 2 enter feed hopper 3, by balancer 9 balance coal bunker 1 with
Pressure between lock hopper 2, lock hopper 2 and feed hopper 3 passes through gas impact cone (23), one kind or two of fluidisation charging gear (24)
Coal dust blanking is strengthened in the combination of kind, prevents coal dust from building bridge；
Step 2: conveying gas 13 enters solid dispenser 10 via conveying airgun controller 18, will by solid dispenser 10
The ribbing of 3 bottom blanking of feed hopper enters solid mixer 4；
Step 3: the dregs of fat, which enter the dregs of fat and refine device 6 in advance, to be stirred, preheats, and the slurry oil for forming mobility is blown through slurry oil
Device 7 enters atomizer 8；
Step 4: atomization gas 14 enters atomizer 8 via atomization airgun controller 19, carries out mist to the slurry oil for entering atomizer
Change, outlet is connected with solid mixer 4 and 5 middle and upper part feed inlet of coal-dregs of fat converter；
Step 5: after the slurry oil after atomization mixes in solid mixer 4 with coal, enter coal-oil by delivery nozzles 11
5 middle and lower part feed inlet of slag converter；Slurry oil enters 5 middle and upper part feed inlet of coal-dregs of fat converter by delivery nozzles 11, and solid is mixed
Coal in clutch 4 enters 5 middle and lower part feed inlet of coal-dregs of fat converter, coal and slurry oil via delivery nozzles 11 and converts in coal-dregs of fat
Mixing in device 5；
Step 6: reaction gas 12 enters coal-dregs of fat converter 5 by reaction airgun controller 17, through gas fluidized device 25, mixes
Coal and slurry oil after conjunction react in coal-dregs of fat converter 5 with reaction gas；
Step 7: product is recycled by oil gas product exit 22, and exhaust gas enters exhaust gas processing device, and waste residue is by deslagging outlet 21
Discharge.
The coal -5 air inlet of dregs of fat converter is coke-stove gas or simulates coke-stove gas atmosphere, including carbon monoxide,
The ingredients such as carbon dioxide, hydrogen, methane, oxygen and nitrogen, wherein hydrogen accounts for reaction gas total volume 10~50%, and methane accounts for reaction
Gas total volume 10~30%.
The coal 16 of the participation cotransformation is fine coal, and the coal for participating in cotransformation is fine coal, and coal is low-disintegration coal, air
The dry fixed carbon content of base is not less than 40%, and air-dried basis volatile matter content is not less than 20%, and content of ashes is not higher than
30wt%, 1100~1500 DEG C of coal ash melting property range, 40~350 mesh of fine coal particle size range.
The dregs of fat 15 of the participation cotransformation, water content ranges 0~10%；Oil content is not less than 20%, wherein naphtalene oil
Not less than 5%, carbolic oil is not less than 10%, and liquid alkane is not less than 10%；Carbon content range 10~80% in solid.
The dregs of fat refine device in advance and export 200~400 DEG C of slurry oil temperature range；Coal and slurry oil enter coal-dregs of fat converter 5
300~500 DEG C of temperature range；450~800 DEG C of 5 interior reaction temperature range of coal-dregs of fat converter, slurry oil and coal quality compare range
1:0~1:20,0.001~8.0MPaG of reaction pressure range.
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 (13)
1. a kind of coal and dregs of fat cotransformation device, it is characterised in that: including uniting into coal measures, the dregs of fat refine system and cotransformation system in advance
System；
It include coal bunker (1), lock hopper (2), feed hopper (3), the charging gear (10) being from top to bottom sequentially arranged into coal measures system, in coal
Balancer (9) balance pressure is separately connected between storehouse (1) and lock hopper (2), lock hopper (2) and feed hopper (3)；Charging gear (10) is logical
It crosses conveying airgun controller (18) to be connected to conveying gas gas source, charging gear (10) is connected with solid mixer (4)；
The system of refining includes that the dregs of fat being from top to bottom sequentially arranged refine device (6), slurry oil Apparatus for spraying and jetting particulate materials (7), slurry oil controller in advance to the dregs of fat in advance
(20), it is in series between slurry oil Apparatus for spraying and jetting particulate materials (7) and slurry oil controller (20) atomizer (8), atomizer (8) entrance passes through atomization gas
Controller (19) is connected to atomization gas gas source, and slurry oil controller (20) is connected with solid mixer (4)；
Cotransformation system includes coal-dregs of fat converter (5), and middle and upper part and middle and lower part 2 are distributed on coal-dregs of fat converter (5)
Feed inlet is from top to bottom distributed in the gas fluidized device (25) of coal-dregs of fat converter (5) bottom and side vertically；
Connect between slurry oil controller (20) and coal-dregs of fat converter (5) delivery nozzles (11) afterwards with coal-dregs of fat converter (5)
Middle and upper part feed inlet connection, connect between solid mixer (4) and coal-dregs of fat converter (5) delivery nozzles (11) afterwards with coal-oil
The connection of slag converter (5) middle and lower part feed inlet；
Coal-dregs of fat converter (5) is connected with gas fluidized device (25), gas fluidized device (25) by reaction airgun controller (17) with
The connection of reaction gas gas source.
2. device as described in claim 1, it is characterised in that: the internal bottom side of lock hopper (2), feed hopper (3) is provided with gas punching
Hit one or two kinds of combinations of cone (23), fluidisation charging gear (24).
3. device as described in claim 1, it is characterised in that: atomizer (8) is provided with 3~10 air inlets of fan-shaped distribution
Mouthful.
4. device as described in claim 1, it is characterised in that: coal-dregs of fat converter (5) middle and upper part feed inlet and middle and lower part into
Difference in height is 0~10m between material mouth.
5. device as described in claim 1, it is characterised in that: the coal-dregs of fat converter (5) gas fluidized device (25) by
It is distributed in coal-dregs of fat converter (5) bottom and side, the Fluidizer (25) spacing 0.1-5m vertically up to lower.
6. device as described in claim 1, it is characterised in that: be oil gas product exit at the top of the coal-dregs of fat converter (5)
(22), connection product recycling, oil product rectifying, exhaust gas processing device；Bottom is lime-ash exhaust outlet (21).
7. device as described in claim 1, it is characterised in that: the coal-dregs of fat converter (5) is outside heat removing or internal confession
The combination of the one or both of hot heat transfer type.
8. coal and dregs of fat co-transformation method of particle based on claim 1-4 described device, it is characterised in that the following steps are included:
Step 1: coal enters lock hopper (2) by coal bunker (1), enters feed hopper (3) by lock hopper (2), is balanced by balancer (9)
Pressure between coal bunker (1) and lock hopper (2), lock hopper (2) and feed hopper (3) passes through gas impact cone (23), fluidisation charging gear
(24) coal dust blanking is strengthened in one or two kinds of combinations, prevents coal dust from building bridge；
Step 2: conveying gas (13) enters solid dispenser (10) via conveying airgun controller (18), passes through solid dispenser
(10) ribbing by feed hopper (3) bottom blanking enters solid mixer (4)；
Step 3: the dregs of fat, which enter the dregs of fat and refine device (6) in advance, to be stirred, preheats, and forms the slurry oil of mobility through slurry oil Apparatus for spraying and jetting particulate materials
(7) enter atomizer (8)；
Step 4: atomization gas (14) enters atomizer (8) via atomization airgun controller (19), carries out to the slurry oil for entering atomizer
Atomization, outlet are connected with solid mixer (4) and coal-dregs of fat converter (5) middle and upper part feed inlet；
Step 5: after the slurry oil after atomization mixes in solid mixer (4) with coal, enter coal-oil by delivery nozzles (11)
Slag converter (5) middle and lower part feed inlet；Slurry oil enters coal-dregs of fat converter (5) middle and upper part feed inlet by delivery nozzles (11),
Coal in solid mixer (4) enters coal-dregs of fat converter (5) middle and lower part feed inlet, coal and slurry oil via delivery nozzles (11)
The mixing in coal-dregs of fat converter (5)；
Step 6: reaction gas (12) enters coal-dregs of fat converter by reaction airgun controller (17), through gas fluidized device (25)
(5), mixed coal and slurry oil react in coal-dregs of fat converter (5) with reaction gas；
Step 7: by oil gas product exit (22) recovery product, into exhaust gas processing device, waste residue is arranged by deslagging outlet (21)
Out.
9. method as claimed in claim 5, it is characterised in that: the reaction that the coal-dregs of fat converter (5) air inlet is sent into
Gas bag includes carbon monoxide, carbon dioxide, hydrogen, methane, oxygen and nitrogen, wherein hydrogen account for reaction gas total volume 10~
50%, methane accounts for the 10~30% of reaction gas total volume.
10. method as claimed in claim 5, it is characterised in that: the coal for participating in cotransformation is fine coal, and coal is low-disintegration coal,
The fixed carbon content of air-dried basis is not less than 40%, and air-dried basis volatile matter content is not less than 20%, and content of ashes is not higher than
30wt%, 1100~1500 DEG C of coal ash melting property range, 40~350 mesh of fine coal particle size range.
11. method as claimed in claim 5, it is characterised in that: the dregs of fat water content for participating in cotransformation is 0~10%；Oil contains
Amount is not less than 20%, and wherein naphtalene oil is not less than 5%, and carbolic oil is not less than 10%, and liquid alkane is not less than 10%；Carbon content in solid
Range 10~80%.
12. method as claimed in claim 5, it is characterised in that: the dregs of fat refine in advance device outlet slurry oil temperature be 200~
400℃；It is 300~500 DEG C that coal and slurry oil, which enter coal-dregs of fat converter (5) temperature,；Coal-dregs of fat converter (5) interior reaction temperature
450~800 DEG C of range, slurry oil and coal quality ratio are 1:0~1:20,0.001~8.0MPaG of reaction pressure range.
13. method as claimed in claim 5, it is characterised in that: atomization gas includes carbon dioxide, nitrogen and steam.
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| CN110358581A (en) * | 2019-08-16 | 2019-10-22 | 陕西延长石油（集团）有限责任公司 | A kind of aqueous dregs of fat are granulated again the device and method of pyrolytic gasification |
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| US20110179712A1 (en) * | 2010-01-22 | 2011-07-28 | Thacker Pradeep S | Method and apparatus to preheat slurry |
| CN203624577U (en) * | 2013-11-15 | 2014-06-04 | 陕西延长石油（集团）有限责任公司碳氢高效利用技术研究中心 | Pneumatic conveying device of coal dust |
| CN105295965A (en) * | 2014-05-28 | 2016-02-03 | 神华集团有限责任公司 | Method and device for preparing semi-coke |
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| CN203624577U (en) * | 2013-11-15 | 2014-06-04 | 陕西延长石油（集团）有限责任公司碳氢高效利用技术研究中心 | Pneumatic conveying device of coal dust |
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| CN110358581A (en) * | 2019-08-16 | 2019-10-22 | 陕西延长石油（集团）有限责任公司 | A kind of aqueous dregs of fat are granulated again the device and method of pyrolytic gasification |
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