CN110184083A - A kind of coal oil residue treatment technique and processing unit - Google Patents
A kind of coal oil residue treatment technique and processing unit Download PDFInfo
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- CN110184083A CN110184083A CN201910457359.4A CN201910457359A CN110184083A CN 110184083 A CN110184083 A CN 110184083A CN 201910457359 A CN201910457359 A CN 201910457359A CN 110184083 A CN110184083 A CN 110184083A
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- 239000010742 number 1 fuel oil Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000010791 quenching Methods 0.000 claims abstract description 67
- 239000003921 oil Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000003546 flue gas Substances 0.000 claims abstract description 49
- 238000000197 pyrolysis Methods 0.000 claims abstract description 35
- 239000000571 coke Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 239000002893 slag Substances 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 38
- 238000009833 condensation Methods 0.000 claims description 19
- 230000005494 condensation Effects 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 15
- 239000000779 smoke Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000012071 phase Substances 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 238000009834 vaporization Methods 0.000 claims description 4
- 230000008016 vaporization Effects 0.000 claims description 4
- 206010021143 Hypoxia Diseases 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 208000018875 hypoxemia Diseases 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 claims 1
- 241000251468 Actinopterygii Species 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- 238000012958 reprocessing Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B55/00—Coking mineral oils, bitumen, tar, and the like or mixtures thereof with solid carbonaceous material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of coal oil residue treatment technique and processing units, it is by carrying out heating destructive distillation using high-temperature flue gas for coal oil liquefied residue, the Oil Recovery processing for generating residue destructive distillation, improve the overall oil yield of coal oil, realize being completely separated for semicoke and residual oil in coal oil residue, and the oil in residue is recycled to the maximum extent, not oil-containing high-temperature semi-coke after destructive distillation oil recovery contacts quenching with chilled water in Quench tank, keep high-temperature semi-coke cooling and is broken into little particle semicoke, fish out granular carbocoal that burnt machine is pulled out not oil-containing, conveying is convenient and is not required to subsequent reprocessing.
Description
Technical field
The invention belongs to coal liquefaction technical field, in particular to a kind of coal oil residue treatment technique and processing unit.
Background technique
At present both at home and abroad in coal liquefaction liquefaction factory, there are mainly three types of methods for the processing of liquefied residue: straight forming method, warp
Cross vacuum distillation solid content about 50% residue, with steel band residue be cooled and shaped machine be cooled and shaped, molding machine outlet by
Crusher breaks into the outward transport of fritter residue；Solvent extraction recycles most of oil and pitch with solvent extraction, and remaining residue is solid
It is melted into semicoke；Filtration method, using fuel-displaced and pitch is separated by filtration, after filter cake refilters oil recovery, semicoke is cooled and solidified.
Wherein, high-pressure liquefaction uses straight forming method at home, but the method cannot recycle the oil in residue, and be cooled and shaped
The separate unit processing capacity of machine is small, and only 60,000 tons/year, investment is big, and maintenance capacity is big, troublesome in poeration；The oil of extraction and filtration method
It can not recycle completely, and containing oil residue and filter cake is subsequent requires to be further processed.
Summary of the invention
It is an object of the invention to: in view of the above problems, residue can be recycled to the maximum extent by providing one kind
In oil, and granular carbocoal not oil-containing after destructive distillation, the convenient coal oil residue treatment technique of subsequent processing and processing dress
It sets.
The technical scheme of the present invention is realized as follows: a kind of coal oil residue treatment technique, it is characterised in that: including with
Lower processing step:
A) the coal oil liquefied residue of oil-containing and pitch is sent into retorting machine, 400~450 DEG C is heated in retorting machine, done
The oil in residue is distillated, the part pitch in residue generates asphaltene conversion oil after destructive distillation；
B) steam of the oil in residue and asphaltene conversion oil is discharged at the top of retorting machine, water cooled device condensation and separator separation
Afterwards, liquid phase makees Oil Recovery processing, and gas phase makees fuel utilization；
C) high-temperature semi-coke after destructive distillation oil recovery is expelled in Quench tank by destructive distillation motor spindle, and high-temperature semi-coke swashs in Quench tank
Cold is little particle semicoke, and little particle semicoke and chilled water are discharged into slag bath by Quench pot bottom together, then by being arranged in slag bath
Fishing coke machine little particle semicoke pulled out transport.
Coal oil residue treatment technique of the present invention, the retorting machine use drum-type structure, coal oil liquefaction
Residue is pushed in retorting machine by helical blade, and institute's calorific requirement is provided by high-temperature flue gas in retorting machine, coal oil liquefaction
During the push of residue helical blade, heated using high temperature, hypoxemia flue gas.
Coal oil residue treatment technique of the present invention is passed through in water cooler by the steam being discharged at the top of retorting machine
Circulating water is to 40~80 DEG C, and the oil that most of destructive distillation goes out condenses at such a temperature, and gas-liquid mixture is sent again to separation
Gas-liquid separation is carried out in device, oil product is discharged from separator bottom and recycles processing, and gas phase fixed gas send fuel gas pipe network to make fuel
It utilizes.
Coal oil residue treatment technique of the present invention, high-temperature semi-coke in Quench tank by spray into chilled water into
Row Quench, high-temperature semi-coke are broken into little particle semicoke after encountering chilled water, due to the steam of high-temperature semi-coke vaporization in Quench tank
It drains into condensation separator, after the cooling water heat exchange cooling in condensation separator inner coil pipe, battery limit (BL), condensate liquid is discharged in fixed gas
Quench tank is back to recycle.
A kind of coal oil residue treatment device, it is characterised in that: described including roller retorting machine, Quench tank and slag bath
The slag notch of roller retorting machine is connect with the slag inlet of Quench tank, and the slag notch of the Quench tank is corresponding with slag bath, in the slag
The burnt machine of fishing is provided in pond, the oil gas vent of the roller retorting machine is connect with water cooler, and the water cooler is connect with separator,
The Quench tank connect to form circulation loop with condensation separator, and the roller retorting machine is used for destructive distillation coal oil liquefied residue,
The high-temperature semi-coke that the Quench tank is used to for roller retorting machine being discharged is cooling, broken.
Coal oil residue treatment device of the present invention, the roller retorting machine include roller and are arranged in roller
Interior helical blade, the helical blade are arranged in shaft, one end of the shaft be pierced by roller and by transmission mechanism with
Driving motor connection, is provided with flue gas shell in the drum peripheral, and roller annular is formed between the flue gas shell and roller
Flue, one end of the roller are provided with liquefied residue import, oil gas vent are provided at the top of the other end, and bottom is arranged
There is solid discharge, the oil gas vent is connect with water cooler, and the roller ring-shaped flue is close to the bottom of liquefied residue inlet end
Portion is provided with roller high-temperature flue gas import, is provided with exhanst gas outlet at the top of the other end.
Coal oil residue treatment device of the present invention, helical blade and inner wall of rotary drum in the roller cooperate shape
At the spiral pushing channel of liquefied residue, the axial length of the roller ring-shaped flue is not less than the axial direction of liquefied residue in roller
Length is pushed, spiral deflector is provided in the roller ring-shaped flue, the roller ring-shaped flue passes through its internal setting
Spiral deflector formed and the spiral exhaust gases passes of roller inside spin push channel corresponding matching.
Coal oil residue treatment device of the present invention, the shaft is hollow structure, along it in the shaft
It is axially provided with central smoke outlet tube, the center smoke outlet tube extends to the hollow cavity of one end in shaft and shaft
The other end of connection, the center smoke outlet tube is central exhanst gas outlet, and the hollow cavity of the shaft is provided with central cigarette
Gas import.
Coal oil residue treatment device of the present invention, the Quench tank include tank body and are arranged in top of the tank
Mesotube, the upper end slag inlet of the mesotube connect with roller destructive distillation motor spindle slag notch, brings out under the mesotube
Cinder notch extends to tank body internal upper part, and the high-temperature semi-coke that the roller destructive distillation motor spindle comes is entered the tank body of Quench tank by mesotube
It is interior, the tank body internal upper part is provided with annular Quench pipe, is provided with multiple spray heads, the annular on the annular Quench pipe
Chilled water in Quench pipe is sprayed by multiple spray heads, and is contacted with the intracorporal high-temperature semi-coke of tank, is provided in the tank base
Pulp water outlet, is provided with loose slag device in the pulp water exit of the tank base, the top of the tank is provided with steam (vapor) outlet,
The steam (vapor) outlet is connect with condensation separator.
Coal oil residue treatment device of the present invention is provided with flue gas heat tracing collet in the mesotube periphery,
Mesotube ring-shaped flue is formed between the flue gas heat tracing collet and mesotube, is provided with folding in the mesotube ring-shaped flue
Mesotube ring-shaped flue is divided into ectonexine flue by flowing plate, the baffle plate, and the ectonexine flue passes through bottom communication port
Connection, is provided with the mesotube high-temperature flue gas import being connected to outer layer flue on the flue gas heat tracing collet top, is passed through center
Flue gas in pipe ring-shaped flue is by discharge at the top of internal layer flue.
The present invention is by carrying out heating destructive distillation using high-temperature flue gas for coal oil liquefied residue, the oil for generating residue destructive distillation
Product recycling processing, improves the overall oil yield of coal oil, realizes being completely separated for semicoke and residual oil in coal oil residue,
And the oil in residue is recycled to the maximum extent, the not oil-containing high-temperature semi-coke after destructive distillation oil recovery connects in Quench tank with chilled water
Touch quenching, keep high-temperature semi-coke cooling and be broken into little particle semicoke, fish out granular carbocoal that burnt machine is pulled out not oil-containing, conveying it is convenient and
It is not required to subsequent reprocessing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of roller retorting machine in the present invention.
Fig. 3 is the sectional view of roller retorting machine in the present invention.
Fig. 4 is the sectional view of shaft in roller retorting machine of the present invention.
Fig. 5 is the structural schematic diagram of Quench tank in the present invention.
Marked in the figure: 1 is roller retorting machine, 2 be Quench tank, and 3 be slag bath, and 4 is fish out burnt machine, and 5 be water cooler, and 6 be separation
Device, 7 be condensation separator, and 8 be roller, and 9 be helical blade, and 10 be shaft, and 11 be driving motor, and 12 be flue gas shell, and 13 are
Roller ring-shaped flue, 14 be liquefied residue import, and 15 be oil gas vent, and 16 be solid discharge, and 17 be roller high-temperature flue gas import,
18 be exhanst gas outlet, and 19 be central smoke outlet tube, and 20 be hollow cavity, and 21 be central exhanst gas outlet, 22 for central flue gas into
Mouthful, 23 be tank body, and 24 be mesotube, and 25 export for annular Quench pipe, 26 for pulp water, and 27 be loose slag device, and 28 be steam (vapor) outlet, 29
It is mesotube ring-shaped flue for flue gas heat tracing collet, 30,31 be baffle plate, and 32 be mesotube high-temperature flue gas import, and 33 be deceleration
Case, 34 be axle envelope, and 35 be water pump.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of coal oil residue treatment technique, including following processing step:
A) the coal oil liquefied residue of oil-containing and pitch about 50% is sent into retorting machine, 400~450 is heated in retorting machine
DEG C, destructive distillation goes out the oil in residue, and the part pitch in residue generates asphaltene conversion oil after destructive distillation；The retorting machine is using rolling
Core structure, coal oil liquefied residue are pushed in retorting machine by helical blade, and institute's calorific requirement is by high temperature in retorting machine
Flue gas provides, and during the push of coal oil liquefied residue helical blade, is added using 600~650 DEG C of high temperature, hypoxemia flue gas
Heat.
B) steam of the oil in residue and asphaltene conversion oil is discharged at the top of retorting machine, and steam is in water cooler by following
Ring is water-cooled to 40~80 DEG C, and the oil that most of destructive distillation goes out condenses at such a temperature, and gas-liquid mixture is sent again to separator
Middle carry out gas-liquid separation, liquid phase oil product are discharged from separator bottom and recycle processing, and gas phase fixed gas send fuel gas pipe network to fire
Material utilizes.
C) high-temperature semi-coke after destructive distillation oil recovery is expelled in Quench tank by destructive distillation motor spindle, and high-temperature semi-coke is in Quench tank
In Quench carried out by the chilled water sprayed into, high-temperature semi-coke is broken into little particle semicoke, little particle semicoke after encountering chilled water
Slag bath is discharged by Quench pot bottom together with chilled water, then the fishing coke machine by being arranged in slag bath pulls little particle semicoke out,
It is transported again through belt or automobile, sending out battery limit (BL) after water pump pressurizes containing pulp water or recycling in slag bath.Wherein, in Quench tank
Since the steam of high-temperature semi-coke vaporization drains into condensation separator, exchanges heat and cool down with the cooling water in condensation separator inner coil pipe
Afterwards, battery limit (BL) is discharged in fixed gas, and condensate liquid is back to Quench tank and recycles.
As shown in Figure 1, a kind of coal oil residue treatment device, including roller retorting machine 1, Quench tank 2 and slag bath 3, institute
The slag notch for stating roller retorting machine 1 is connect with the slag inlet of Quench tank 2, and the slag notch of the Quench tank 2 is corresponding with slag bath 3,
The burnt machine 4 of fishing is provided in the slag bath 3, the discharge outlet of the slag bath 3 is connect by pipeline with water pump 35, the roller retorting machine
1 oil gas vent is connect with water cooler 5, and the water cooler 5 is connect with separator 6, and the Quench tank 2 connects with condensation separator 7
It connects to form circulation loop, wherein the roller retorting machine 1 is used for destructive distillation coal oil liquefied residue；The Quench tank 2 will be for that will roll
The high-temperature semi-coke that cylinder retorting machine 1 is discharged is cooling, broken；The slag bath 3 is used to collect the semicoke and chilled water that Quench tank comes；It is described
Burnt machine 4 is fished out for pulling the semicoke in slag bath out, realizes the separation of semicoke and water；The water cooler 5 is for cooling down, condensing destructive distillation
Contain oil vapour caused by machine destructive distillation；The gas-liquid mixture that the separator 6 is used to send water cooler separates；It is described cold
The steam that solidifying separator 7 is used to generate in Quench tank is condensed, separation, is recycled, and is provided with cooling water coil in condensation separator,
Cooling water heat exchange condensation, gas-liquid separation in the steam and coil pipe generated in Quench tank, condensate circulation return Quench tank, fixed gas
It drains into out-of-bounds；The water pump 35 is used to pulp water being delivered to downstream section.
As shown in Fig. 2,3 and 4, the roller retorting machine 1 includes roller 8 and the helical blade 9 being arranged in roller 8,
For accommodating liquefied residue, the helical blade 9 is arranged in shaft 10 roller, the helical blade 9 in the roller 8 with
8 inner wall of roller cooperatively forms the spiral pushing channel of liquefied residue, and one end of the shaft 10 is pierced by roller 8 and passes through driver
Structure is connect with driving motor 11, and when equipment is run, roller is motionless, and the driving motor, which is used to drive, is provided with turning for helical blade
Axis rotation realizes that liquefied residue is pushed to export in roller by entrance, and the transmission mechanism is reduction gearbox 33, for improving motor
Output torque, the shaft 10, which is pierced by roller 8, is provided with axle envelope 34, for the sealing between shaft and cylinder, in the rolling
8 peripheries of cylinder are provided with flue gas shell 12, and roller ring-shaped flue 13, the roller are formed between the flue gas shell 12 and roller 8
The axial length of ring-shaped flue 13 pushes length, cigarette in the roller ring-shaped flue not less than the axial of liquefied residue in roller 8
The flow direction of gas is consistent with the flow direction of residue in roller, is roller by the high-temperature flue gas flowed through in drum peripheral flue
Interior liquefied residue destructive distillation provides heat, makes residue that destructive distillation occur, is provided with spiral stream guidance in the roller ring-shaped flue 13
Plate improves the heat transfer coefficient of high-temperature flue gas side, the roller ring-shaped flue for increasing disturbance and the flowing stroke of high-temperature flue gas
13 form the spiral exhaust gases passes with 8 inside spin push channel corresponding matching of roller by its internal spiral deflector being arranged,
To improve heat-transfer effect, flue gas shell periphery is provided with insulating layer, for reducing the heat loss in flue, improves equipment
The thermal efficiency, one end of the roller 8 are provided with liquefied residue import 14, and oil gas vent 15 is provided at the top of the other end, and
Bottom is provided with solid discharge 16, and the oil gas vent 15 is connect with water cooler 5, and the roller ring-shaped flue 13 is residual close to liquefying
The bottom of 14 one end of slag import is provided with roller high-temperature flue gas import 17, and exhanst gas outlet 18 is provided at the top of the other end.
In the present embodiment, in order to further increase the destructive distillation of liquefied residue in roller, the shaft 10 is hollow structure,
Its axial direction is provided with central smoke outlet tube 19 in the shaft 10, the center smoke outlet tube 19 extends to shaft 10
Interior one end is connected to the hollow cavity 20 of shaft 10, and the other end of the center smoke outlet tube 19 is central exhanst gas outlet
21, the hollow cavity 20 of the shaft 10 is provided with central gas inlet 22, the flue gas in the hollow cavity 20 of the shaft 10
After the flow direction of residue is on the contrary, flue gas enters central smoke outlet tube 19 in flow direction and roller 8, the flow direction of flue gas
Consistent with the flow direction of residue in roller 8, i.e., roller is inside and outside for providing the high-temperature flue gas flowing of heat for residue in roller
It is contrary, be conducive to the destructive distillation of residue in roller.High-temperature flue gas is flowed out of shaft hollow cavity and central smoke outlet tube
It crosses, for providing heat from drums inside for residue destructive distillation, to improve the destructive distillation effect of residue.
By the way that the coal oil residue of oil-containing and pitch is carried out destructive distillation processing in roller retorting machine, generate part pitch
Asphaltene conversion is oily, and the oil and asphaltene conversion oil in residue are evaporated vaporization and recycle, to realize half in coal oil residue
Burnt being completely separated with residual oil, and can recycle the oil in residue to the maximum extent, and granular carbocoal not oil-containing after destructive distillation, make
Its subsequent reprocessing is convenient, easy to operate and reduce investment outlay.
As shown in figure 5, the Quench tank 2 includes tank body 23 and the mesotube 24 that the top of tank body 23 is arranged in, it is described in
The upper end slag inlet of centre pipe 24 is connect with 1 bottom slag notch of roller retorting machine, and the lower end slag notch of the mesotube 24 extends to
23 internal upper part of tank body, the high-temperature semi-coke that 1 bottom of roller retorting machine is come are entered by mesotube 24 in the tank body 23 of Quench tank, are
It avoids high-temperature semi-coke from resulting in blockage in advance in central in-tube condensation, 24 periphery of mesotube is provided with flue gas heat tracing collet
29,23 internal upper part of tank body is provided with annular Quench pipe 25, is provided with multiple spray heads, institute on the annular Quench pipe 25
It states multiple spray heads to be equidistantly uniformly distributed along annular Quench pipe 25, the annular Quench pipe and spray head are for providing chilled water
High-temperature semi-coke quenching is crushed offer shock chilling medium, and the chilled water in the annular Quench pipe 25 is sprayed by multiple spray heads, and and tank
High-temperature semi-coke contact in body 23, makes high-temperature semi-coke Quench, is crushed, and 23 bottom of tank body is provided with pulp water outlet 26, swashs
Cold broken little particle semicoke and water are provided with steam (vapor) outlet 28, Quench at the top of the tank body 23 from pulp water outlet drain
The steam of generation is discharged from steam (vapor) outlet, and the steam (vapor) outlet 28 is connect with condensation separator 7.
In the present embodiment, the lower section peripheral part of the centrally disposed 24 lower end slag notch of pipe of the annular Quench pipe 25 is
It avoids little particle semicoke from blocking slag-drip opening, is provided with loose slag device 27 at the pulp water outlet 26 of 23 bottom of tank body, it is described
23 lower part of tank body is in the funnel-shaped structure that gradually center is collapsed in the axial direction, in order to the discharge of little particle semicoke in lower part in tank body.
Wherein, mesotube ring-shaped flue 30 is formed between the flue gas heat tracing collet 29 and mesotube 24, in the center
Baffle plate 31 is provided in pipe ring-shaped flue 30, mesotube ring-shaped flue 30 is divided into ectonexine flue by the baffle plate 31,
The ectonexine flue is connected to by bottom communication port, is provided on 29 top of flue gas heat tracing collet and is connected to outer layer flue
Mesotube high-temperature flue gas import 32, be passed through flue gas in mesotube ring-shaped flue 30 by discharge at the top of internal layer flue.In
The high-temperature flue gas being passed through in the pipe ring-shaped flue of centre, makes mesotube keep certain temperature, to avoid enter into the high temperature of mesotube
Semicoke condenses in advance and causes line clogging, in addition, can effectively be limited by the setting of baffle plate in mesotube ring-shaped flue
The circulation path of high-temperature flue gas improves the heat-transfer effect of high-temperature flue gas, guarantees that mesotube is whole and is heated evenly, further functions as
The purpose for avoiding high-temperature semi-coke from resulting in blockage in central pipework condensation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of coal oil residue treatment technique, it is characterised in that: including following processing step:
A) the coal oil liquefied residue of oil-containing and pitch is sent into retorting machine, 400~450 DEG C is heated in retorting machine, done
The oil in residue is distillated, the part pitch in residue generates asphaltene conversion oil after destructive distillation；
B) steam of the oil in residue and asphaltene conversion oil is discharged at the top of retorting machine, water cooled device condensation and separator separation
Afterwards, liquid phase makees Oil Recovery processing, and gas phase makees fuel utilization；
C) high-temperature semi-coke after destructive distillation oil recovery is expelled in Quench tank by destructive distillation motor spindle, and high-temperature semi-coke swashs in Quench tank
Cold is little particle semicoke, and little particle semicoke and chilled water are discharged into slag bath by Quench pot bottom together, then by being arranged in slag bath
Fishing coke machine little particle semicoke pulled out transport.
2. coal oil residue treatment technique according to claim 1, it is characterised in that: the retorting machine uses drum-type knot
Structure, coal oil liquefied residue are pushed in retorting machine by helical blade, and institute's calorific requirement is mentioned by high-temperature flue gas in retorting machine
For being heated using high temperature, hypoxemia flue gas during the push of coal oil liquefied residue helical blade.
3. coal oil residue treatment technique according to claim 1, it is characterised in that: by the steam being discharged at the top of retorting machine
By circulating water to 40~80 DEG C in water cooler, the oil that most of destructive distillation goes out condenses at such a temperature, and gas-liquid is mixed
Conjunction object is sent again carries out gas-liquid separation into separator, and oil product is discharged from separator bottom and recycles processing, and gas phase fixed gas send combustion
Material gas pipe network makees fuel utilization.
4. coal oil residue treatment technique according to claim 1, it is characterised in that: high-temperature semi-coke passes through in Quench tank
The chilled water of penetrating carries out Quench, and high-temperature semi-coke is broken into little particle semicoke after encountering chilled water, due to high temperature in Quench tank
The steam of semicoke vaporization drains into condensation separator, after the cooling water heat exchange cooling in condensation separator inner coil pipe, fixed gas
Battery limit (BL) is discharged, condensate liquid is back to Quench tank and recycles.
5. a kind of coal oil residue treatment device, it is characterised in that: including roller retorting machine (1), Quench tank (2) and slag bath
(3), the slag notch of the roller retorting machine (1) is connect with the slag inlet of Quench tank (2), the slag notch of the Quench tank (2) with
Slag bath (3) is corresponding, and the burnt machine (4) of fishing, the oil gas vent and water cooling of the roller retorting machine (1) are provided in the slag bath (3)
Device (5) connection, the water cooler (5) connect with separator (6), and the Quench tank (2) connect formation with condensation separator (7) and follows
Loop back path, the roller retorting machine (1) are used for destructive distillation coal oil liquefied residue, and the Quench tank (2) is used for roller retorting machine
(1) high-temperature semi-coke being discharged is cooling, broken.
6. coal oil residue treatment device according to claim 5, it is characterised in that: the roller retorting machine (1) includes
Roller (8) and the helical blade (9) being arranged in roller (8), the helical blade (9) is arranged on shaft (10), described
One end of shaft (10) is pierced by roller (8) and is connect by transmission mechanism with driving motor (11), sets in the roller (8) periphery
It is equipped with flue gas shell (12), forms roller ring-shaped flue (13) between the flue gas shell (12) and roller (8), the roller
(8) one end is provided with liquefied residue import (14), oil gas vent (15) is provided at the top of the other end, and bottom is provided with
Solid discharge (16), the oil gas vent (15) connect with water cooler (5), and the roller ring-shaped flue (13) is close to liquefied residue
The bottom of import (14) one end is provided with roller high-temperature flue gas import (17), is provided with exhanst gas outlet at the top of the other end
(18).
7. coal oil residue treatment device according to claim 6, it is characterised in that: the helical-blade in the roller (8)
Piece (9) and roller (8) inner wall cooperatively form the spiral pushing channel of liquefied residue, and the axial direction of the roller ring-shaped flue (13) is long
Degree is provided with spiral in the roller ring-shaped flue (13) and leads not less than the axial push length of roller (8) interior liquefied residue
Flowing plate, the roller ring-shaped flue (13) are formed logical with the push of roller (8) inside spin by its internal spiral deflector being arranged
The spiral exhaust gases passes of road corresponding matching.
8. coal oil residue treatment device according to claim 6, it is characterised in that: the shaft (10) is hollow knot
Structure is provided with central smoke outlet tube (19) in the shaft (10) along its axial direction, and the center smoke outlet tube (19) is prolonged
The one end extended in shaft (10) is connected to the hollow cavity (20) of shaft (10), it is described center smoke outlet tube (19) it is another
End is central exhanst gas outlet (21), and the hollow cavity (20) of the shaft (10) is provided with central gas inlet (22).
9. the coal oil residue treatment device according to any one of claim 5 to 8, it is characterised in that: the Quench
Tank (2) includes the mesotube (24) of tank body (23) and setting at the top of tank body (23), the upper end slag input of the mesotube (24)
Mouth is connect with roller retorting machine (1) bottom slag notch, and the lower end slag notch of the mesotube (24) extends in tank body (23)
Portion, the high-temperature semi-coke that roller retorting machine (1) bottom is come is entered by mesotube (24) in the tank body (23) of Quench tank, described
Tank body (23) internal upper part is provided with annular Quench pipe (25), is provided with multiple spray heads on the annular Quench pipe (25), described
Chilled water in annular Quench pipe (25) is sprayed by multiple spray heads, and is contacted with the high-temperature semi-coke in tank body (23), in the tank
Body (23) bottom is provided with pulp water outlet (26), is provided with loose slag device at the pulp water outlet (26) of the tank body (23) bottom
(27), it is provided with steam (vapor) outlet (28) at the top of the tank body (23), the steam (vapor) outlet (28) and condensation separator (7) are even
It connects.
10. coal oil residue treatment device according to claim 9, it is characterised in that: in the mesotube (24) periphery
It is provided with flue gas heat tracing collet (29), forms mesotube ring-shaped flue between the flue gas heat tracing collet (29) and mesotube (24)
(30), it is provided with baffle plate (31) in the mesotube ring-shaped flue (30), the baffle plate (31) is by mesotube annular cigarette
Road (30) is divided into ectonexine flue, and the ectonexine flue is connected to by bottom communication port, in the flue gas heat tracing collet
(29) top is provided with the mesotube high-temperature flue gas import (32) being connected to outer layer flue, is passed through in mesotube ring-shaped flue (30)
Flue gas by discharge at the top of internal layer flue.
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| CN201910457359.4A CN110184083A (en) | 2019-05-29 | 2019-05-29 | A kind of coal oil residue treatment technique and processing unit |
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| CN201910457359.4A CN110184083A (en) | 2019-05-29 | 2019-05-29 | A kind of coal oil residue treatment technique and processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361327A (en) * | 2020-10-28 | 2021-02-12 | 宁夏成丰农业科技开发股份有限公司 | Environment-friendly coal-to-oil energy-saving process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721511A (en) * | 2005-07-01 | 2006-01-18 | 煤炭科学研究总院北京煤化工研究分院 | Process for pressurized gasification of dry coal fines |
| CN101649214A (en) * | 2009-08-18 | 2010-02-17 | 吴启成 | Externally-fired oil shale distillation process and device |
| CN101885976A (en) * | 2010-07-02 | 2010-11-17 | 神华集团有限责任公司 | Method for extracting heavy liquefaction oil and intermediate-phase bitumen matter from coal liquefaction residuals and application thereof |
| CN102492445A (en) * | 2011-11-17 | 2012-06-13 | 山东天力干燥股份有限公司 | Multi-pipe revolving low-temperature dry distillation technology of fine coal |
| CN104130790A (en) * | 2014-06-30 | 2014-11-05 | 北京国电富通科技发展有限责任公司 | Coal dry distillation technology employing indirect heat exchange |
| CN104312598A (en) * | 2014-10-30 | 2015-01-28 | 神华集团有限责任公司 | Semicoke producing system |
| CN106497606A (en) * | 2016-09-28 | 2017-03-15 | 中石化宁波工程有限公司 | Coal direct hydrogenation method for pyrolysis |
| CN210367545U (en) * | 2019-05-29 | 2020-04-21 | 中国成达工程有限公司 | Coal liquifaction residue processing apparatus |
-
2019
- 2019-05-29 CN CN201910457359.4A patent/CN110184083A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721511A (en) * | 2005-07-01 | 2006-01-18 | 煤炭科学研究总院北京煤化工研究分院 | Process for pressurized gasification of dry coal fines |
| CN101649214A (en) * | 2009-08-18 | 2010-02-17 | 吴启成 | Externally-fired oil shale distillation process and device |
| CN101885976A (en) * | 2010-07-02 | 2010-11-17 | 神华集团有限责任公司 | Method for extracting heavy liquefaction oil and intermediate-phase bitumen matter from coal liquefaction residuals and application thereof |
| CN102492445A (en) * | 2011-11-17 | 2012-06-13 | 山东天力干燥股份有限公司 | Multi-pipe revolving low-temperature dry distillation technology of fine coal |
| CN104130790A (en) * | 2014-06-30 | 2014-11-05 | 北京国电富通科技发展有限责任公司 | Coal dry distillation technology employing indirect heat exchange |
| CN104312598A (en) * | 2014-10-30 | 2015-01-28 | 神华集团有限责任公司 | Semicoke producing system |
| CN106497606A (en) * | 2016-09-28 | 2017-03-15 | 中石化宁波工程有限公司 | Coal direct hydrogenation method for pyrolysis |
| CN210367545U (en) * | 2019-05-29 | 2020-04-21 | 中国成达工程有限公司 | Coal liquifaction residue processing apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361327A (en) * | 2020-10-28 | 2021-02-12 | 宁夏成丰农业科技开发股份有限公司 | Environment-friendly coal-to-oil energy-saving process |
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