CN110172358A - A kind of pyrolysis atmosphere furnace and coal hydrogenation microwave-heating system and method - Google Patents
A kind of pyrolysis atmosphere furnace and coal hydrogenation microwave-heating system and method Download PDFInfo
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- CN110172358A CN110172358A CN201910568970.4A CN201910568970A CN110172358A CN 110172358 A CN110172358 A CN 110172358A CN 201910568970 A CN201910568970 A CN 201910568970A CN 110172358 A CN110172358 A CN 110172358A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 94
- 239000003245 coal Substances 0.000 title claims abstract description 62
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 47
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003034 coal gas Substances 0.000 claims abstract description 134
- 239000000571 coke Substances 0.000 claims abstract description 125
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract 2
- 239000007789 gas Substances 0.000 claims description 118
- 238000010791 quenching Methods 0.000 claims description 63
- 230000000171 quenching effect Effects 0.000 claims description 63
- 239000007788 liquid Substances 0.000 claims description 40
- 238000000926 separation method Methods 0.000 claims description 32
- 239000011280 coal tar Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 21
- 230000000740 bleeding effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 4
- 239000012265 solid product Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000010924 continuous production Methods 0.000 abstract description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 3
- 239000010813 municipal solid waste Substances 0.000 abstract description 3
- 239000004058 oil shale Substances 0.000 abstract description 3
- 239000010802 sludge Substances 0.000 abstract description 3
- 239000002028 Biomass Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- C10B39/00—Cooling or quenching coke
- C10B39/02—Dry cooling outside the oven
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- 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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- 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
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/005—After-treatment of coke, e.g. calcination desulfurization
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The present invention discloses a kind of pyrolysis atmosphere furnace and coal hydrogenation microwave-heating system and method, and the present invention can be realized the double action of coke cooling and hydropyrolysis using self produced gas, be conducive to the comprehensive utilization of Gas Resource.Microwave-heating atmosphere furnace is blown into microwave-heating storehouse by coal gas from the belt bottom of metal mesh shaped, realizes the production of coal hydrogenation microwave-heating continous way, solves coal microwave-heating and continuous production, is improved production efficiency and is reduced production cost.In addition, the scope of application of the present invention is wider, it is applicable not only to existing drying, desulfurization, garbage cracking, and the microwave-heating suitable for low-disintegration coal, biomass, oil shale and sludge etc..
Description
Technical field
The invention belongs to microwave-heating fields, and in particular to a kind of pyrolysis atmosphere furnace and coal hydrogenation microwave-heating system and
Method.
Background technique
In microwave field, coal inhales wave microwave energy and is converted into interior energy, so that coal sample temperature be made to reach pyrolysis temperature, realizes coal
Microwave-heating.Microwave-heating is the fuel factor using microwave, and compared with conventional pyrolytic, there is microwave-heating quick, pyrolysis to produce
The advantages that object income is high, device is easily controllable is an important development direction of coal cleaning classified utilization.
A large number of studies show that pyrolysis atmosphere is affected to pyrolysis of coal product Precipitation Behavior, especially hydrogen, methane etc.
The hydropyrolysis of " hydrogen-rich " gas, so that liquid product yield and coal tar oil quality are obviously improved in thermal decomposition product.Coal microwave thermal
In coal gas after solution, hydrogen and methane content are higher, are a kind of ideal hydropyrolysis atmosphere.However, existing microwave-heating
System fails fully to cause the waste of Gas Resource to a certain extent, and not yet have using this part of coal gas
About the relevant report of continuous-type microwave pyrolysis atmosphere furnace, the application of coal microwave-heating technology is affected.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of pyrolysis atmosphere furnace and coal hydrogenation microwave-heating system and method, with
Make full use of Gas Resource after microwave-heating.
It is of the invention the technical solution adopted is as follows:
A kind of microwave-heating atmosphere furnace, including furnace body, belt pulley, automatic control feed gate, microwave source, bleeding point,
One automatic control discharge gate, pyrolysis atmosphere storehouse, the first gas inlet and belt, belt are horizontally placed on the bottom of furnace body, and belt is logical
Two one group of belt wheel drive is crossed, the automatic control feed gate being fed to belt, furnace body are arranged in the top of belt front end for furnace body
Multiple microwave sources are set along the length direction of belt in the top of belt, microwave source can be to the original conveyed on belt
Material carries out microwave-heating；The first automatic control that material conveying on belt can be discharged from furnace body is arranged in the lower section of belt rear end in furnace body
Discharge gate；Furnace body is equipped with bleeding point in the top of belt rear end；Pyrolysis atmosphere storehouse is set to the lower part on the upside of belt, pyrolysis gas
The first gas inlet is arranged in the lower part in atmosphere storehouse；Belt is breathable；The direction of belt front end to rear end is the side of Belt Conveying material
To.
It further include the second automatic control discharge gate, the first automatic control discharge gate is connected with the first drainage conduit being vertically arranged, the
Two automatic control discharge gates are set to the lower port of the first drainage conduit.
Belt is wire mesh, and wire mesh aperture size can bear 800-1000 DEG C in 100-200 mesh, wire mesh
Temperature.
Close to the spacing between coal gas atmosphere storehouse top and belt upside is 2- on the upside of coal gas atmosphere storehouse top and belt
3mm。
A kind of coal hydrogenation microwave-heating system, including microwave-heating atmosphere furnace, coal gas gas-liquid separation device, dry coke quenching auxiliary
With coal gas gas-solid separating device；Coal gas gas-liquid separation device entrance is connect by pipeline with bleeding point；Dry coke quenching auxiliary is set to
The outlet of first automatic control discharge gate simultaneously can accept the material being discharged from automatic control discharge gate, and one end of dry coke quenching auxiliary is equipped with coke pushing
The other end of plate, dry coke quenching auxiliary is equipped with third automatic control discharge gate, what coke pushing plate can draw off the first automatic control discharge gate
Material is pushed at third automatic control discharge gate and is discharged from third automatic control discharge gate；Be additionally provided on dry coke quenching auxiliary the second coal gas into
Mouth and gas exit；The outlet of coal gas gas-liquid separation device includes liquid outlet and gas vent, coal gas gas-liquid separation device
Gas vent is connected by the second gas inlet of gas piping and dry coke quenching auxiliary；Gas exit by coal gas outlet pipe and
The entrance of coal gas gas-solid separating device connects, and the gas outlet of coal gas gas-solid separating device includes the first gas outlet and the second outlet
Mouthful, the first gas outlet is connect by gas inlet pipeline with the first gas inlet.
It further include the 4th automatic control discharge gate, third automatic control discharge gate is connected with the second drainage conduit being vertically arranged, the
Four automatic control discharge gates are set to the lower port of the second drainage conduit.
Second gas outlet is connected with coal gas outlet pipe.
A kind of coal hydrogenation microwave-heating method, comprises the following processes:
Coal charge is entered in the furnace body of microwave-heating atmosphere furnace by automatic control feed gate and blanking is in the front end of belt, coal charge
Mobile to the rear end of belt with belt, in moving process, microwave source makes coal charge that microwave-heating occur；
The coal tar oil gas and coal gas that microwave-heating generates enter coal gas gas-liquid separation device by bleeding point；In coal gas gas-liquid
Coal tar oil gas and coal gas are separated in separator, the coal tar isolated is arranged from coal gas gas-liquid separation device liquid outlet
Out, the coal gas isolated is passed through dry coke quenching through gas piping and the second gas inlet from the gas vent of coal gas gas-liquid separation device
Device is passed through the coal gas of dry coke quenching auxiliary as solid product cooling media, carries out dry coke quenching processing, the coal after dry coke quenching
Gas is passed through coal gas gas-solid separating device from gas exit and coal gas outlet pipe and carries out gas solid separation, finally obtains clean coal
Gas；
Obtained clean gas can be discharged from the second gas outlet and be used to prepare synthesis gas, and obtained clean gas can also
It is discharged from the first gas outlet and enters coal gas atmosphere storehouse through gas inlet pipeline and the first gas inlet, it is clean in coal gas atmosphere storehouse
Purified gas is carried out through belt to coal charge plus hydrogen microwave-heating；
The rear end blanking of the slave belt for the coke that microwave-heating generates simultaneously enters dry coke quenching by the first automatic control discharge gate
Dry coke quenching is carried out in device；Coke after dry coke quenching is discharged by the coke pushing of coke pushing plate and through third automatic control discharge gate.
First automatic control discharge gate and the second automatic control discharge gate are that opening of staggering the time first opens the first automatic control in operation
Discharge gate, the coke generated to microwave-heating fall into space on the upside of the second automatic control discharge gate, close the first automatic control discharging lock
Door；After the closing of the first automatic control discharge gate, the second automatic control discharge gate is opened, coke is discharged into dry from the second automatic control discharge gate
In quenching storehouse.
Third automatic control discharge gate and the 4th automatic control discharge gate are opening of staggering the time, and in operation, first open third automatic control
Discharge gate, the coke generated to microwave-heating fall into space on the upside of the 4th automatic control discharge gate, close third automatic control discharging lock
Door；After the closing of third automatic control discharge gate, the 4th automatic control discharge gate is opened, coke is discharged from the 4th automatic control discharge gate,
Coke is unloaded in completion.
The pressure in coal gas atmosphere storehouse is consistently higher than the intracorporal pressure of furnace.
Coal gas before dry coke quenching has carried out gas-liquid separation, is free of coal tar oil gas in coal gas；Coal gas after dry coke quenching carries out gas
Gu separating, powder is free of coke in coal gas.
Compared with prior art, the invention has the following beneficial effects:
Microwave-heating atmosphere furnace of the invention conveys microwave-heating raw material by the way of belt transport, and furnace body is in belt
The automatic control feed gate being fed to belt is arranged in the top of front end, and lower section setting of the furnace body in belt rear end can will be defeated on belt
The first automatic control discharge gate that feeding is discharged from furnace body, therefore utilize automatic control feed gate, belt and the first automatic control discharge gate
It can be realized continuous feed, material is continuously conveyed and the solid material after microwave-heating be discharged in time；Furnace body is in the top of belt
Multiple microwave sources are set along the length direction of belt, microwave source can carry out microwave thermal to the raw material conveyed on belt
Solution, therefore can be realized and pyrolysis is carried out continuously to pyrolysis feed during belt friction feeding；Pyrolysis atmosphere storehouse is set to skin
The first gas inlet is arranged in the lower part of lower part with upside, pyrolysis atmosphere storehouse, therefore in pyrolysis feed pyrolytic process, additionally it is possible to
It is passed through " hydrogen-rich " gas, realizes the hydropyrolysis of pyrolysis feed.In conclusion microwave-heating atmosphere furnace of the invention is a kind of company
Continuous type micro-wave pyrolysis atmosphere furnace, and can be realized the continuous production of coal hydrogenation microwave-heating, shorten the production cycle, improves production
Efficiency and reduction production cost.In addition, the scope of application of the present invention is wider, it is applicable not only to existing drying, desulfurization, rubbish are split
Solution, and the microwave-heating suitable for low-disintegration coal, biomass, oil shale and sludge etc..
Further, it by the way that the second automatic control discharge gate is arranged, can realize with the first automatic control discharge gate to microwave thermal
Solution solid product carries out discharge of staggering the time, and in operation, first opens the first automatic control discharge gate, and the coke generated to microwave-heating falls
Enter space on the upside of the second automatic control discharge gate, closes the first automatic control discharge gate；After the closing of the first automatic control discharge gate, open
Second automatic control discharge gate, therefore the intracorporal atmosphere pyrolysis environment of furnace is enabled to stablize, guarantee the effect of microwave-heating.
Coal hydrogenation microwave-heating system of the invention is by being arranged microwave-heating atmosphere furnace of the invention, coal gas gas-liquid separation
Device, dry coke quenching auxiliary and coal gas gas-solid separating device can be realized the continuous micro- of coal charge first with microwave-heating atmosphere furnace
The coal tar oil and gas that microwave-heating generates can be separated using coal gas gas-liquid separation device, utilize coal gas by wave pyrolysis
The coke that microwave-heating atmosphere furnace is discharged in the coal gas and dry coke quenching auxiliary that gas-liquid separation device is isolated cools down, and carries out
Dry coke quenching processing, the coal gas for having carried out dry coke quenching processing can flow back to microwave-heating atmosphere furnace and carry out adding hydrogen microwave thermal to coal charge
Solution.In conclusion coal hydrogenation microwave-heating system of the invention can make full use of the Gas Resource after pyrolysis, solid is realized
The hydrogenation of cooling and the pyrolysis of coal of coke, realizes maximum resource utilization, and be able to achieve continuous production, shortens life
The period is produced, production efficiency is improved and reduces production cost.
By the coal hydrogenation microwave-heating system of aforementioned present invention and the beneficial effect of pyrolysis atmosphere furnace it is found that coal of the present invention adds
In hydrogen microwave-heating method, dry coke quenching and hydropyrolysis are realized using the coal gas that pyrolyzing generates, is improved to the maximum extent
Resource utilization, and coal hydrogenation microwave-heating continuous production is completed, shorten the production cycle, improves production efficiency and reduction
Production cost, while the scope of application is wider, is applicable not only to drying, desulfurization, garbage cracking, and be suitable for low-disintegration coal, life
The microwave-heating of substance, oil shale and sludge etc..
Detailed description of the invention
Fig. 1 is the flow diagram of coal hydrogenation microwave-heating method of the present invention；
Fig. 2 is the structural schematic diagram of coal hydrogenation microwave-heating system of the present invention；
Fig. 3 is the top view of belt in microwave-heating atmosphere furnace of the present invention.
In figure: 1- belt pulley；2- automatic control feed gate；3- microwave source；4- bleeding point；5- the first automatic control discharging lock
Door；6- microwave-heating atmosphere furnace；7- coal gas atmosphere storehouse；The first gas inlet of 8-；9- belt；10- the second automatic control discharge gate；
11- dry coke quenching storehouse；12- coal gas gas-liquid separation device；13- gas piping；14- liquid separate pipeline；The second gas inlet of 15-；
16- gas exit；17- coke pushing plate；18- pushing ram；19- third automatic control discharge gate；The 4th automatic control discharge gate of 20-；21- coal
Gas outlet pipe；22- coal gas gas-solid separating device；23- gas inlet pipeline；24- coal gas outlet pipe.
Specific embodiment
Below in conjunction with drawings and examples, a specific embodiment of the invention is described in more details, so as to energy
The advantages of enough more fully understanding the solution of the present invention and its various aspects.
Referring to Fig. 2, microwave-heating atmosphere furnace of the invention, including furnace body, belt pulley 1, automatic control feed gate 2, microwave hair
Source of students 3, bleeding point 4, the first automatic control discharge gate 5, pyrolysis atmosphere storehouse 7, the first gas inlet 8 and belt 9,9 level of belt are set
It is placed in the bottom of furnace body, belt 9 is driven by two one group of belt pulley 1, and furnace body is arranged in the top of 9 front end of belt to belt
The automatic control feed gate 2 of 9 feed, multiple microwave sources 3 are arranged along the length direction of belt in the top of belt 9 in furnace body, micro-
Wave occurring source 3 can carry out microwave-heating to the raw material conveyed on belt 9；Lower section setting of the furnace body in 9 rear end of belt can incite somebody to action
The first automatic control discharge gate 5 that material conveying is discharged from furnace body on belt 9；Furnace body is equipped with bleeding point 4 in the top of 9 rear end of belt；
Pyrolysis atmosphere storehouse 7 is set to the lower part of 9 upside of belt, and the first gas inlet 8 is arranged in the lower part in pyrolysis atmosphere storehouse 7；Belt 9 can
It is ventilative；The direction of 9 front end of belt to rear end is the direction of 9 material conveying of belt.
As the preferred embodiment of the invention, microwave-heating atmosphere furnace further includes the second automatic control discharge gate 10, and first
Automatic control discharge gate 5 is connected with the first drainage conduit being vertically arranged, and the second automatic control discharge gate 10 is set to the first drainage conduit
Lower port.First automatic control discharge gate 5 and the second automatic control discharge gate 10 are opening of staggering the time, and in operation, first open first certainly
Discharge gate 5 is controlled, the coke generated to microwave-heating falls into 10 upside space of the second automatic control discharge gate, closes the first automatic control and unloads
Expect gate 5；After the closing of the first automatic control discharge gate 5, the second automatic control discharge gate 10 is opened.The mode of operation can guarantee furnace
The stabilization of internal microwave-heating environment, guarantees microwave-heating efficiency.
Referring to Fig. 3, as the preferred embodiment of the invention, belt (9) is the wire worked out by wire
Net, wire mesh aperture size can bear 800-1000 DEG C of temperature in 100-200 mesh, wire mesh.
As the preferred embodiment of the invention, 7 top of coal gas atmosphere storehouse and 9 upside of belt are close on coal gas atmosphere storehouse 7
Spacing between 9 upside of portion and belt is 2-3mm.
Referring to Fig. 2, coal hydrogenation microwave-heating system of the invention, including above-mentioned microwave-heating atmosphere furnace 6 of the invention, coal
Gas gas-liquid separation device 12, dry coke quenching auxiliary 11 and coal gas gas-solid separating device 22；12 entrance of coal gas gas-liquid separation device passes through
Pipeline is connect with bleeding point 4；Dry coke quenching auxiliary 11 is set to the outlet of the first automatic control discharge gate 5 and can accept from automatic control discharging
One end of the material of gate discharge, dry coke quenching auxiliary 11 is equipped with coke pushing plate 17, and coke pushing plate 17 is connected with for pushing coke pushing plate 17
The other end of pushing ram 18, dry coke quenching auxiliary 11 is equipped with third automatic control discharge gate 19, and coke pushing plate 17 can unload the first automatic control
The material that material gate 5 is drawn off is pushed at third automatic control discharge gate 19 and is discharged from third automatic control discharge gate 19；Dry coke quenching auxiliary
The second gas inlet 15 and gas exit 16 are additionally provided on 11；The outlet of coal gas gas-liquid separation device 12 includes that liquid outlet is gentle
Body outlet, the gas vent of coal gas gas-liquid separation device 12 pass through the second gas inlet of gas piping 13 and dry coke quenching auxiliary 11
15 connections；Gas exit 16 is connected by coal gas outlet pipe 21 with the entrance of coal gas gas-solid separating device 22, coal gas gas-solid point
Gas outlet from device 22 includes the first gas outlet and the second gas outlet, and the first gas outlet passes through gas inlet pipeline 23 and first
Gas inlet 8 connects.
As the preferred embodiment of the invention, coal hydrogenation microwave-heating system further includes the 4th automatic control discharge gate 20,
Third automatic control discharge gate 19 is connected with the second drainage conduit being vertically arranged, and the 4th automatic control discharge gate 20 is set to the second discharge
The lower port of pipe.Third automatic control discharge gate 19 and the 4th automatic control discharge gate 20 are opening of staggering the time, and in operation, first open the
Three automatic control discharge gates 19, the coke generated to microwave-heating fall into 20 upside space of the 4th automatic control discharge gate, close third
Automatic control discharge gate 19；After the closing of third automatic control discharge gate 19, the 4th automatic control discharge gate 20 is opened.The mode of operation energy
The stabilization for enough guaranteeing environment in dry coke quenching auxiliary 11, guarantees microwave-heating efficiency.
As the preferred embodiment of the invention, the second gas outlet is connected with coal gas outlet pipe 24.
Referring to Fig.1, coal hydrogenation microwave-heating method of the invention, comprises the following processes:
Coal charge is entered in the furnace body of microwave-heating atmosphere furnace 6 by automatic control feed gate 2 and blanking is in the front end of belt 9,
Coal charge is mobile to the rear end of belt 9 with belt 9, and in moving process, microwave source 3 makes coal charge that microwave-heating occur；
The coal tar oil gas and coal gas that microwave-heating generates enter coal gas gas-liquid separation device 12 by bleeding point 4；In coal gas
Coal tar oil gas and coal gas are separated in gas-liquid separation device 12, the coal tar isolated is from 12 liquid of coal gas gas-liquid separation device
Body outlet discharge, the coal gas isolated from the gas vent of coal gas gas-liquid separation device 12 through gas piping 13 and the second coal gas into
Mouth 15 is passed through dry coke quenching auxiliary 11, is passed through the coal gas of dry coke quenching auxiliary 11 as solid product cooling media, carries out at dry coke quenching
Reason, the coal gas after dry coke quenching are passed through coal gas gas-solid separating device 22 from gas exit 16 and coal gas outlet pipe 21 and carry out gas
Gu separation finally obtains clean coal gas；
Obtained clean gas can be discharged from the second gas outlet and be used to prepare synthesis gas, and obtained clean gas can also
It is discharged from the first gas outlet and enters coal gas atmosphere storehouse 7, coal gas atmosphere storehouse 7 through gas inlet pipeline 23 and the first gas inlet 8
In clean gas coal charge is carried out plus hydrogen microwave-heating through belt 9；
The rear end blanking of the slave belt 9 for the coke that microwave-heating generates simultaneously enters dry put out by the first automatic control discharge gate 5
Dry coke quenching is carried out in coke installation 11；Coke after dry coke quenching is by 17 coke pushing of coke pushing plate and through third automatic control discharge gate 19
Discharge.
As the preferred embodiment of the invention, the coal gas before dry coke quenching has carried out gas-liquid separation, is free of coal tar in coal gas
Oil gas；Coal gas after dry coke quenching carries out gas solid separation, is free of coke powder in coal gas.
As the preferred embodiment of the invention, the first automatic control discharge gate 5 and the second automatic control discharge gate 10 are to stagger the time
It opens, in operation, first opens the first automatic control discharge gate 5, the coke generated to microwave-heating falls into the second automatic control discharging lock
10 upside spaces of door, close the first automatic control discharge gate 5；After the closing of the first automatic control discharge gate 5, the second automatic control discharging is opened
Gate 10, coke are discharged into dry coke quenching storehouse 11 from the second automatic control discharge gate 10.
As the preferred embodiment of the invention, third automatic control discharge gate 19 and the 4th automatic control discharge gate 20 are to stagger the time
It opens, in operation, first opens third automatic control discharge gate 19, the coke generated to microwave-heating falls into the 4th automatic control discharging lock
20 upside spaces of door, close third automatic control discharge gate 19；After the closing of third automatic control discharge gate 19, opens the 4th automatic control and unload
Expect that gate 20, coke are discharged from the 4th automatic control discharge gate 20, coke is unloaded in completion.
As the preferred embodiment of the invention, the pressure in coal gas atmosphere storehouse 7 is consistently higher than the intracorporal pressure of furnace.
Embodiment 1
Coal charge enters the furnace body of atmosphere pyrolysis oven 6 by automatic control feed gate 2, drops on belt 9.Microwave generator is set
3 power are 800W, and 1 revolving speed of belt pulley, pyrolysis time 40min is arranged in pyrolysis in-furnace time according to coal sample.It is pyrogenous origin
Coal tar oil gas and coal gas pass through bleeding point 4 and leave microwave-heating atmosphere furnace 6, and coke passes through the first automatic control discharge gate 5 and second
Furnace body is discharged in automatic control discharge gate 10, completes coal microwave and is pyrolyzed whole process.Coal tar oil gas and coal gas enter coal gas gas-liquid
Separator 12, the coal gas after separating with coal tar enter dry coke quenching auxiliary 11；Coal gas after dry coke quenching enters back into coal gas
Gas-solid separating device 22 finally obtains clean coal gas, and a coal gas lease making coal gas outlet pipe 24 goes to prepare synthesis gas, another
Part coal gas enters coal gas atmosphere storehouse 7 as pyrolysis atmosphere, through gas inlet pipeline 23, goes to add hydrogen microwave-heating.Pyrolysis generates
Coke fallen into dry coke quenching auxiliary 11 by the first automatic control discharge gate 5 and the second automatic control discharge gate 10, by dry coke quenching
Coke afterwards, by 18 coke pushing of coke pushing plate 17 and pushing ram, through third automatic control discharge gate 19 and the 4th automatic control discharge gate 20
It falls into and unloads burnt vehicle, finally obtain coke after cooling.
Embodiment 2
Coal charge enters the furnace body of atmosphere pyrolysis oven 6 by automatic control feed gate 2, drops on belt 9.Microwave generator is set
3 power are 700W, and 1 revolving speed of belt pulley, pyrolysis time 50min is arranged in pyrolysis in-furnace time according to coal sample.It is pyrogenous origin
Coal tar oil gas and coal gas pass through bleeding point 4 and leave microwave-heating atmosphere furnace 6, and coke passes through the first automatic control discharge gate 5 and second
Furnace body is discharged in automatic control discharge gate 10, completes coal microwave and is pyrolyzed whole process.Coal tar oil gas and coal gas enter coal gas gas-liquid
Separator 12, the coal gas after separating with coal tar enter dry coke quenching auxiliary 11；Coal gas after dry coke quenching enters back into coal gas
Gas-solid separating device 22 finally obtains clean coal gas, and a coal gas lease making coal gas outlet pipe 24 goes to prepare synthesis gas, another
Part coal gas enters coal gas atmosphere storehouse 7 as pyrolysis atmosphere, through gas inlet pipeline 23, goes to add hydrogen microwave-heating.Pyrolysis generates
Coke fallen into dry coke quenching auxiliary 11 by the first automatic control discharge gate 5 and the second automatic control discharge gate 10, by dry coke quenching
Coke afterwards, by 18 coke pushing of coke pushing plate 17 and pushing ram, through third automatic control discharge gate 19 and the 4th automatic control discharge gate 20
It falls into and unloads burnt vehicle, finally obtain coke after cooling.
Embodiment 3
Coal charge enters the furnace body of atmosphere pyrolysis oven 6 by automatic control feed gate 2, drops on belt 9.Microwave generator is set
3 power are 600W, and 1 revolving speed of belt pulley, pyrolysis time 60min is arranged in pyrolysis in-furnace time according to coal sample.It is pyrogenous origin
Coal tar oil gas and coal gas pass through bleeding point 4 and leave microwave-heating atmosphere furnace 6, and coke passes through the first automatic control discharge gate 5 and second
Furnace body is discharged in automatic control discharge gate 10, completes coal microwave and is pyrolyzed whole process.Coal tar oil gas and coal gas enter coal gas gas-liquid
Separator 12, the coal gas after separating with coal tar enter dry coke quenching auxiliary 11；Coal gas after dry coke quenching enters back into coal gas
Gas-solid separating device 22 finally obtains clean coal gas, and a coal gas lease making coal gas outlet pipe 24 goes to prepare synthesis gas, another
Part coal gas enters coal gas atmosphere storehouse 7 as pyrolysis atmosphere, through gas inlet pipeline 23, goes to add hydrogen microwave-heating.Pyrolysis generates
Coke fallen into dry coke quenching auxiliary 11 by the first automatic control discharge gate 5 and the second automatic control discharge gate 10, by dry coke quenching
Coke afterwards, by 18 coke pushing of coke pushing plate 17 and pushing ram, through third automatic control discharge gate 19 and the 4th automatic control discharge gate 20
It falls into and unloads burnt vehicle, finally obtain coke after cooling.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although referring to embodiment to the present invention into
Detailed description is gone, it will be apparent to an ordinarily skilled person in the art that under the premise without departing from the spirit and scope of the present invention
To modification or equivalent substitute that the present invention carries out, should all cover within the scope of the present invention.In addition, unless stated otherwise,
So any embodiment all or part of in combination with any other embodiments all or part of come using.
Claims (10)
1. a kind of microwave-heating atmosphere furnace, which is characterized in that including furnace body, belt pulley (1), automatic control feed gate (2), microwave hair
Source of students (3), bleeding point (4), the first automatic control discharge gate (5), pyrolysis atmosphere storehouse (7), the first gas inlet (8) and belt (9),
Belt (9) is horizontally placed on the bottom of furnace body, and belt (9) is driven by two one group of belt pulley (1), and furnace body is in belt (9)
The automatic control feed gate (2) being fed to belt (9) is arranged in the top of front end, and furnace body is in the top of belt (9) along the length of belt
Multiple microwave sources (3) are arranged in direction, and microwave source (3) can carry out microwave-heating to the raw material conveyed on belt (9)；
The first automatic control discharge gate that material conveying on belt (9) can be discharged from furnace body is arranged in the lower section of belt (9) rear end in furnace body
(5)；Furnace body is equipped with bleeding point (4) in the top of belt (9) rear end；Under pyrolysis atmosphere storehouse (7) is set on the upside of belt (9)
The first gas inlet (8) are arranged in the lower part in portion, pyrolysis atmosphere storehouse (7)；Belt (9) is breathable；Belt (9) front end to rear end
Direction is the direction of belt (9) material conveying.
2. a kind of microwave-heating atmosphere furnace according to claim 1, which is characterized in that further include the second automatic control discharge gate
(10), the first automatic control discharge gate (5) is connected with the first drainage conduit being vertically arranged, and the second automatic control discharge gate (10) is set to
The lower port of first drainage conduit.
3. a kind of microwave-heating atmosphere furnace according to claim 1, which is characterized in that belt (9) is wire mesh, metal
Screen diameter size can bear 800-1000 DEG C of temperature in 100-200 mesh, wire mesh.
4. a kind of microwave-heating atmosphere furnace according to claim 1, which is characterized in that coal gas atmosphere storehouse (7) top and skin
Close to the spacing between coal gas atmosphere storehouse (7) top and belt (9) upside is 2-3mm on the upside of band (9).
5. a kind of coal hydrogenation microwave-heating system, which is characterized in that including coal gas gas-liquid separation device (12), dry coke quenching auxiliary
(11), microwave-heating atmosphere furnace (6) described in coal gas gas-solid separating device (22) and claim 1-4 any one；Coal gas gas
Liquid separating apparatus (12) entrance is connect by pipeline with bleeding point (4)；Dry coke quenching auxiliary (11) is set to the first automatic control discharging lock
The outlet of door (5) simultaneously can accept the material being discharged from automatic control discharge gate, and one end of dry coke quenching auxiliary (11) is equipped with coke pushing plate (17),
The other end of dry coke quenching auxiliary (11) is equipped with third automatic control discharge gate (19), and coke pushing plate (17) can be by the first automatic control discharging lock
The material that door (5) is drawn off is pushed at third automatic control discharge gate (19) and is discharged from third automatic control discharge gate (19)；Dry coke quenching dress
It sets and is additionally provided with the second gas inlet (15) and gas exit (16) on (11)；The outlet of coal gas gas-liquid separation device (12) includes liquid
The gas vent of body outlet and gas vent, coal gas gas-liquid separation device (12) passes through gas piping (13) and dry coke quenching auxiliary
(11) the second gas inlet (15) connection；Gas exit (16) passes through coal gas outlet pipe (21) and coal gas gas-solid separating device
(22) entrance connection, the gas outlet of coal gas gas-solid separating device (22) includes the first gas outlet and the second gas outlet, and first goes out
Port is connect by gas inlet pipeline (23) with the first gas inlet (8).
6. a kind of coal hydrogenation microwave-heating system according to claim 5, which is characterized in that further include the 4th automatic control discharging
Gate (20), third automatic control discharge gate (19) are connected with the second drainage conduit being vertically arranged, the 4th automatic control discharge gate (20)
It is set to the lower port of the second drainage conduit.
7. a kind of coal hydrogenation microwave-heating method, which is characterized in that pass through coal hydrogenation microwave-heating described in claim 5 or 6
System carries out, and comprises the following processes:
Coal charge is entered in the furnace body of microwave-heating atmosphere furnace (6) by automatic control feed gate (2) and blanking is before belt (9)
End, coal charge is mobile to the rear end of belt (9) with belt (9), and in moving process, it is micro- that coal charge occurs for microwave source (3)
Wave pyrolysis；
The coal tar oil gas and coal gas that microwave-heating generates enter coal gas gas-liquid separation device (12) by bleeding point (4)；In coal gas
Gas-liquid separation device separates coal tar oil gas and coal gas in (12), and the coal tar isolated is from coal gas gas-liquid separation device
(12) liquid outlet is discharged, the coal gas isolated from the gas vent of coal gas gas-liquid separation device (12) through gas piping (13) and
Second gas inlet (15) is passed through dry coke quenching auxiliary (11), is passed through the coal gas of dry coke quenching auxiliary (11) as the cooling matchmaker of solid product
It is situated between, carries out dry coke quenching processing, the coal gas after dry coke quenching is passed through coal gas from gas exit (16) and coal gas outlet pipe (21)
Gas-solid separating device (22) carries out gas solid separation, finally obtains clean coal gas；
Obtained clean gas can be discharged from the second gas outlet and be used to prepare synthesis gas, and obtained clean gas can also be from the
The discharge of one gas outlet simultaneously enters coal gas atmosphere storehouse (7), coal gas atmosphere storehouse through gas inlet pipeline (23) and the first gas inlet (8)
(7) clean gas in is carried out through belt (9) to coal charge plus hydrogen microwave-heating；
The rear end blanking of the slave belt (9) for the coke that microwave-heating generates simultaneously enters dry put out by the first automatic control discharge gate (5)
Dry coke quenching is carried out in coke installation (11)；Coke after dry coke quenching is by (17) coke pushing of coke pushing plate and through third automatic control discharging lock
Door (19) discharge.
8. a kind of coal hydrogenation microwave-heating method according to claim 7, which is characterized in that the first automatic control discharge gate
(5) and the second automatic control discharge gate (10) is that opening of staggering the time first opens the first automatic control discharge gate (5), to microwave in operation
Pyrogenous origin coke falls into space on the upside of the second automatic control discharge gate (10), closes the first automatic control discharge gate (5)；To first
After automatic control discharge gate (5) is closed, the second automatic control discharge gate (10) is opened, coke is discharged into from the second automatic control discharge gate (10)
In dry coke quenching storehouse (11).
9. a kind of coal hydrogenation microwave-heating method according to claim 7, which is characterized in that third automatic control discharge gate
(19) and the 4th automatic control discharge gate (20) is opening of staggering the time, and in operation, first third automatic control discharge gate (19) is opened, to micro-
The pyrogenous origin coke of wave falls into space on the upside of the 4th automatic control discharge gate (20), closes third automatic control discharge gate (19)；To
After third automatic control discharge gate (19) is closed, the 4th automatic control discharge gate (20) is opened, coke is from the 4th automatic control discharge gate
(20) it is discharged, coke is unloaded in completion.
10. a kind of coal hydrogenation microwave-heating method according to claim 7, which is characterized in that the pressure in coal gas atmosphere storehouse (7)
Power is consistently higher than the intracorporal pressure of furnace.
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