CN106867589A - Hot cyclone-type powder coal hydrogenation pyrolysis reaction unit and its technique in multistage - Google Patents
Hot cyclone-type powder coal hydrogenation pyrolysis reaction unit and its technique in multistage Download PDFInfo
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- CN106867589A CN106867589A CN201710238157.1A CN201710238157A CN106867589A CN 106867589 A CN106867589 A CN 106867589A CN 201710238157 A CN201710238157 A CN 201710238157A CN 106867589 A CN106867589 A CN 106867589A
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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
- C10J3/48—Apparatus; Plants
-
- 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
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/80—Other features with arrangements for preheating the blast or the water vapour
-
- 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
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the 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
- C10J2300/093—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
- C10J2300/0953—Gasifying agents
- C10J2300/0966—Hydrogen
-
- 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
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Industrial Gases (AREA)
Abstract
The present invention relates to a kind of multistage interior hot cyclone-type powder coal hydrogenation pyrolysis reaction unit and its technique,Belong to pulverized coal pyrolysis technical field,There is provided a kind of heat and mass efficiency high,Equipment choice requirement is low,Technological process is short,Equipment is few and simple,Production operation is flexible,Hot cyclone-type powder coal hydrogenation pyrolysis reaction unit and its technique in security reliability multistage high,The technical scheme for being used for multistage reactor respectively with one section of semicoke cooler,Gas-fired furnace is connected,The top of multistage reactor is connected with raw gas deduster,Raw gas deduster by waste heat boiler respectively with spray scrubber,Tar separator is connected,Spray scrubber is connected with gas-liquid separator,And be connected with tar separator respectively,Gas-liquid separator is connected with clean coal feed channel,Gas fan and branch gas tube are provided with clean coal feed channel,Branch gas tube is connected with one section of semicoke cooler；Wide hair of the invention is in the hydropyrolysis of coal dust.
Description
Technical field
The present invention relates to a kind of multistage interior hot cyclone-type powder coal hydrogenation pyrolysis reaction unit and its technique, belong to pulverized coal pyrolysis
Technical field.
Background technology
The characteristics of China's energy resource structure is " rich coal, oil-poor, few gas ", and coal will be China within a period from now on
Main energy sources.The economic development needs New Coal Chemical Industry in west area is supported.
40% fine coal of the particle diameter less than 10mm, this part coal mesh will be produced during coal mining and following process
It is preceding to be used mainly as fuel.Due to not extracted from coal as the particularly useful chemical constituent such as phenol, naphthalene and coal tar and
Directly as fuel combustion, actually this is a kind of waste of the energy.
Country《Energy development " 13 " is planned》In, clearly propose " coal high-efficiency cleaning is developed ".Fine coal
It is the direction that coal high-efficiency cleaning is developed that pyrolysis carries oil and produces Filter Tuber For Clean Coal simultaneously.
In terms of coal pyrolysis, with block coal pyrolytic technique（Such as coking）It is ripe and be used widely.But it is low
Among cost, environment-friendly pulverized coal pyrolysis carry oil while the technology for producing Filter Tuber For Clean Coal is being researched and developed, such as：U.S.'s exploitation
COED techniques, TOSCOAL techniques, Garrett semicoke solid thermal carriers techniques, the ETCH-175 techniques of former Soviet Union's exploitation, Japan
The fast pyrolysis process of exploitation, CSIR's O fast pyrolysis process of Australia's exploitation；The DG works of Dalian University of Technology of China exploitation
Skill, the MRF techniques of China Coal Research Institute exploitation and outer hot inner-rotary type pyrolytic technique, Qing Hua groups Xinjiang and rich derived energy chemical
The KH techniques and KH-GAS technologies of Co., Ltd's exploitation, Sino-U.S.'s new energy technology research and development（Shanxi）The manifold type of Co., Ltd's exploitation
Fine coal hydropyrolysis and gasification integral process and realize the external-heat that industrialized Xi'an Sanrui Industrial Co., Ltd. develops
Revolution furnace technology, the revolving bed pyrolytic process of Henan Longcheng Group Co., Ltd's exploitation.But there is production in above-mentioned existing process
The problems such as device is difficult amplification, heat transfer efficiency is low, equipment material requirement is high, flow is complicated.
The content of the invention
To solve the technical problem that prior art is present, the invention provides a kind of heat and mass efficiency high, equipment selection
It is required that low, technological process is short, equipment is few and hot cyclone type fine coal in simple, production operation is flexible, security reliability is high multistage
Hydropyrolysis reaction unit and its technique.
To achieve the above object, the technical solution adopted in the present invention is multistage interior hot cyclone-type powder coal hydrogenation pyrolysis reaction
Device, including multistage reactor, the bottom coke outlet of the multistage reactor are connected with one section of semicoke cooler, the multistage
The bottom air inlet of reactor is connected with gas-fired furnace, top gas outlet and the raw gas deduster of the multistage reactor
It is connected, the gas outlet of the raw gas deduster is connected with waste heat boiler, bottom and the multistage of the raw gas deduster
Reactor is connected, and the top gas outlet of the waste heat boiler is connected with spray scrubber, the bottom of waste heat boiler and tar
Separator is connected, and the gas outlet of the spray scrubber is connected with gas-liquid separator, spray scrubber and gas-liquid separator
Bottom be connected with tar separator, clean coal feed channel, the clean coal tracheae are connected with the top of the gas-liquid separator
Gas fan and branch gas tube are provided with road, the branch gas tube is connected with the heat exchanger tube in one section of semicoke cooler, institute
One section of heat exchanger tube of semicoke cooler is stated to be connected with the coal gas heat exchanger tube in gas-fired furnace.
Preferably, the bottom of one section of semicoke cooler is also associated with two sections of semicoke coolers.
Preferably, the multistage reactor is main in series by multiple cyclone type reactors for gas solid separation, institute
It is 3-5 to state the quantity of cyclone type reactor.
Preferably, the inwall of the cyclone type reactor is provided with insulating and wearing-resistant lining.
The pyrolytic reaction technique of hot cyclone-type powder coal hydrogenation pyrolysis reaction unit, follows the steps below in multistage,
A, coal form raw material fine coal through broken, are added in multistage reactor through drying and dehydrating；
B, coal gas are contacted into multistage reactor after heated by gas stove heat with raw material fine coal, concurrently give birth to pyrolytic reaction, generation
Raw gas and high-temperature semi-coke；
C, raw gas carry out dedusting into gas dust remover in the lump with the coal gas of high temperature for flowing up, and the raw gas after dedusting enters
Enter spray scrubber after waste heat boiler and desalted water heat exchange cooling, desalted water forms low-pressure steam, dropped in waste heat boiler
The coal tar that temperature rough gas are produced enters coal tar oil eliminator with the mixture of water；The coal dust that gas dust remover dedusting is reclaimed is returned
Return multistage reactor；Into spray scrubber raw gas the cold tar from system spray washing effect under lower the temperature it is cold
Solidifying, coal tar, water and dirt in raw gas are changed into liquid and fall into spray washing tower bottom；From after the discharge of spray scrubber top
Raw gas further carries out gas-liquid separation into coal gas gas-liquid separator and is changed into purified gas, after purified gas boosts through gas fan
In one section of semicoke cooler of feeding, carry out heat exchange and used as circulating air, unnecessary purified gas feeding coal gas system；Coal gas
Coal tar that gas-liquid separator separates go out and the mixture of water and the coal tar from spray washing tower bottom dust-laden and water it is mixed
Compound enters coal tar oil eliminator in the lump, and coal tar is separated with water, dirt in coal tar oil eliminator, clean coal tar discharge system
System, dust-laden waste water discharge system；
D, high-temperature semi-coke enter two sections of semicoke coolers after being exchanged heat into one section of semicoke cooler and circulating gas and desalted water is changed
Cold semicoke discharge system after heat drop to normal temperature, desalted water is changed into low pressure in two sections of semicoke coolers with high-temperature semi-coke heat exchange
Steam.
Preferably, the particle diameter of coal dust is less than 10mm in the step a, and enters the moisture after dewater treatment in coal dust
Less than 2%,.
Preferably, the heating-up temperature of gas-fired furnace is 750-800 DEG C, the pyrolysis in multistage reactor in the step b
Temperature is 550-600 DEG C, and synthesis pressure is normal pressure~4.0MPa, 20~30min of pyrolysis time.
Preferably, the dust content in the step c in raw gas is less than 200mg/m3, maximum particle diameter is less than 15um.
Compared with prior art, the present invention has following technique effect：The present invention based on gas-solid cyclone isolation technics,
With fine coal, device is pyrolyzed by the coal gas of high temperature containing hydrogen in multistage reactor, while this cleaning of output semicoke
Coal, moreover it is possible to efficiently solve existing process process units be difficult amplify, heat transfer efficiency is low, equipment material requirement is high, flow is multiple
Miscellaneous the problems such as, and with " heat and mass efficiency high, equipment choice requirement are low, technological process is short, equipment is few and simple, production exercise
Make flexible, security reliability high " the advantages of.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
In order that the technical problems to be solved by the invention, technical scheme and beneficial effect become more apparent, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
It is used to explain the present invention, is not intended to limit the present invention.
As shown in figure 1, hot cyclone-type powder coal hydrogenation pyrolysis reaction unit in multistage, including multistage reactor 1, reaction of high order
The bottom coke outlet of device 1 is connected with one section of semicoke cooler 2, bottom air inlet and the phase of gas-fired furnace 3 of multistage reactor 1
Connection, the top gas outlet of multistage reactor 1 is connected with raw gas deduster 4, the gas outlet of raw gas deduster 4 and used heat
Boiler 5 is connected, and the bottom of raw gas deduster 4 is connected with multistage reactor 1, top gas outlet and the spray of waste heat boiler 5
Drench scrubbing tower 6 to be connected, the bottom of waste heat boiler 5 is connected with tar separator 7, the gas outlet of spray scrubber 6 and gas-liquid
Separator 8 is connected, and the bottom of spray scrubber 6 and gas-liquid separator 8 is connected with tar separator 7, gas-liquid separator 8
Top be connected with clean coal feed channel 9, gas fan 10 and branch gas tube 11, branch gas tube 11 are provided with clean coal feed channel 9
It is connected with the heat exchanger tube in one section of semicoke cooler 2, the coal in one section of heat exchanger tube of semicoke cooler 2 and gas-fired furnace 3
Gas heat exchanger tube is connected, and the bottom of one section of semicoke cooler 2 is also associated with two sections of semicoke coolers 12.
Wherein, multistage reactor is mainly in series for the cyclone type reactor of gas solid separation by multiple, and cyclone type is anti-
It is 3-5 to answer the quantity of device, and the inwall of cyclone type reactor is provided with insulating and wearing-resistant lining.
Specifically pyrolytic reaction technique is：Coal is broken into raw material fine coal of the particle diameter less than 10mm, makes through drying and dehydrating
Moisture is reduced to less than 2% and enters in raw material surge bunker, and raw material fine coal is added in the first stage reactor of multistage reactor 1.
Fine coal is from up to down flowed in multistage reactor 1, and the coal gas of high temperature directly contact with bottom-up flowing is carried out
Heat exchange.Fine coal is heated to 550~600 DEG C and is pyrolyzed during flowing downward, and generates raw gas and high-temperature semi-coke,
Synthesis pressure in multistage reactor is normal pressure~4.0MPa, 20~30min of pyrolysis time.
After raw gas enters gas dust remover with the coal gas of high temperature for flowing up except 4 dirt in the lump, through gas dust remover dedusting
The dust content in raw gas afterwards is less than 200mg/m3, maximum particle diameter is less than 15um, and the raw gas after dedusting enters waste heat boiler
Enter spray scrubber 6 after the heat exchange cooling of stove 5 and desalted water, the coal tar produced by cooling raw gas in waste heat boiler 5 with
The mixture of water enters coal tar oil eliminator 7.The coal dust Returning reacting system that the dedusting of gas dust remover 4 is reclaimed.
Into spray scrubber 6 raw gas the cold tar from system spray washing effect under lower the temperature condensation, slightly
Coal tar, water and dirt in coal gas are changed into liquid and fall into spray washing tower bottom.From rough coal after the discharge of spray scrubber top
Gas further carries out gas-liquid separation into coal gas gas-liquid separator 8 and is changed into purified gas, after purified gas boosts through gas fan 10
Used as circulating gas, unnecessary purified gas feeding coal gas system.
Coal tar that coal gas gas-liquid separator 8 is isolated and the mixture of water with from the bottom dust-laden of spray scrubber 6
The mixture of coal tar and water enters coal tar oil eliminator 7 in the lump.Coal tar is separated with water, dirt in coal tar oil eliminator 7, clean
Net coal tar discharge system, dust-laden waste water discharge system.
The high-temperature semi-coke of third level reactor discharge enters one section of semicoke cooler 2 with circulation coal from multistage reactor 1
Enter the cold semicoke discharge system that two sections of semicoke coolers 12 are down to after normal temperature with desalted water heat exchange after gas heat exchange.
Circulating gas from gas fan 10 add after being exchanged heat with high-temperature semi-coke in one section of semicoke cooler 2 into coal gas
Hot stove 3 is heated to 750~800 DEG C and is changed into coal gas of high temperature, and coal gas of high temperature is upper from the third level reactor of multistage reactor 1
Portion enters, and the bottom-up flowing in multistage reactor 1, by entrained heat transfer to from top to bottom in flow process
Raw material fine coal.Raw material fine coal is heated to 550~600 DEG C and is pyrolyzed, and generates raw gas and high-temperature semi-coke.
Wherein, desalted water is changed into low-pressure steam in waste heat boiler 5 with raw gas heat exchange.Desalted water is cold in two sections of semicokes
But it is changed into low-pressure steam with high-temperature semi-coke heat exchange in device 12.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., all should wrap within the scope of the present invention.
Claims (8)
1. hot cyclone-type powder coal hydrogenation pyrolysis reaction unit in multistage, it is characterised in that：It is described multistage anti-including multistage reactor
The bottom coke outlet of device is answered to be connected with one section of semicoke cooler, the bottom air inlet and gas-fired furnace of the multistage reactor
It is connected, the top gas outlet of the multistage reactor is connected with raw gas deduster, the outlet of the raw gas deduster
Mouth is connected with waste heat boiler, and the bottom of the raw gas deduster is connected with multistage reactor, the top of the waste heat boiler
Portion gas outlet is connected with spray scrubber, and the bottom of waste heat boiler is connected with tar separator, the spray scrubber
Gas outlet is connected with gas-liquid separator, and the bottom of spray scrubber and gas-liquid separator is connected with tar separator, institute
State and be connected with the top of gas-liquid separator clean coal feed channel, gas fan and branch gas tube are provided with the clean coal feed channel,
The branch gas tube is connected with the heat exchanger tube in one section of semicoke cooler, the heat exchanger tube and coal gas of one section of semicoke cooler
Coal gas heat exchanger tube in heating furnace is connected.
2. it is according to claim 1 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit, it is characterised in that：Described one
The bottom of section semicoke cooler is also associated with two sections of semicoke coolers.
3. it is according to claim 1 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit, it is characterised in that：It is described many
Stage reactor is main in series for the cyclone type reactor of gas solid separation by multiple, and the quantity of the cyclone type reactor is
3-5.
4. it is according to claim 3 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit, it is characterised in that：The rotation
The inwall of wind formula reactor is provided with insulating and wearing-resistant lining.
5. the pyrolytic reaction technique of hot cyclone-type powder coal hydrogenation pyrolysis reaction unit in as claimed in claim 1 multistage, it is special
Levy and be：Follow the steps below,
A, coal form raw material fine coal through broken, are added in multistage reactor through drying and dehydrating；
B, coal gas are contacted into multistage reactor after heated by gas stove heat with raw material fine coal, concurrently give birth to pyrolytic reaction, generation
Raw gas and high-temperature semi-coke；
C, raw gas carry out dedusting into gas dust remover in the lump with the coal gas of high temperature for flowing up, and the raw gas after dedusting enters
Enter spray scrubber after waste heat boiler and desalted water heat exchange cooling, desalted water forms low-pressure steam, dropped in waste heat boiler
The coal tar that temperature rough gas are produced enters coal tar oil eliminator with the mixture of water；The coal dust that gas dust remover dedusting is reclaimed is returned
Return multistage reactor；Into spray scrubber raw gas the cold tar from system spray washing effect under lower the temperature it is cold
Solidifying, coal tar, water and dirt in raw gas are changed into liquid and fall into spray washing tower bottom；From after the discharge of spray scrubber top
Raw gas further carries out gas-liquid separation into coal gas gas-liquid separator and is changed into purified gas, after purified gas boosts through gas fan
In one section of semicoke cooler of feeding, carry out heat exchange and used as circulating air, unnecessary purified gas feeding coal gas system；Coal gas
Coal tar that gas-liquid separator separates go out and the mixture of water and the coal tar from spray washing tower bottom dust-laden and water it is mixed
Compound enters coal tar oil eliminator in the lump, and coal tar is separated with water, dirt in coal tar oil eliminator, clean coal tar discharge system
System, dust-laden waste water discharge system；
D, high-temperature semi-coke enter two sections of semicoke coolers after being exchanged heat into one section of semicoke cooler and circulating gas and desalted water is changed
Cold semicoke discharge system after heat drop to normal temperature, desalted water is changed into low pressure in two sections of semicoke coolers with high-temperature semi-coke heat exchange
Steam.
6. it is according to claim 5 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit pyrolytic reaction technique, its
It is characterised by：The particle diameter of coal dust is less than 10mm in the step a, and the moisture entered after dewater treatment in coal dust is less than
2%。
7. it is according to claim 5 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit pyrolytic reaction technique, its
It is characterised by：The heating-up temperature of gas-fired furnace is 750-800 DEG C in the step b, and the pyrolysis temperature in multistage reactor is
550-600 DEG C, synthesis pressure is normal pressure~4.0MPa, 20~30min of pyrolysis time.
8. it is according to claim 5 it is multistage in hot cyclone-type powder coal hydrogenation pyrolysis reaction unit pyrolytic reaction technique, its
It is characterised by：Dust content in the step c in raw gas is less than 200mg/m3, maximum particle diameter is less than 15um.
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Citations (6)
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|---|---|---|---|---|
| FR2566792A1 (en) * | 1984-06-28 | 1986-01-03 | Elf Aquitaine | Process for flash pyrolysis of solid particles containing carbon |
| CN101063051A (en) * | 2006-04-26 | 2007-10-31 | 董久明 | Powder coal grading cleaning multigang utilization system |
| CN101885973A (en) * | 2010-06-28 | 2010-11-17 | 周松涛 | Dry distillation production process for lignite or high volatile coal |
| CN101974343A (en) * | 2010-10-25 | 2011-02-16 | 周松涛 | Vibrated fluidized bed dry distillation process for upgrading lignite |
| CN103666508A (en) * | 2013-12-24 | 2014-03-26 | 辽宁东大粉体工程技术有限公司 | Low-rank coal low-temperature dry distillation pyrolysis process |
| CN103992824A (en) * | 2014-05-28 | 2014-08-20 | 哈尔滨工业大学 | Double-cyclone coal pyrolysis gasification step converting device and double-cyclone coal pyrolysis gasification step converting method |
-
2017
- 2017-04-13 CN CN201710238157.1A patent/CN106867589A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2566792A1 (en) * | 1984-06-28 | 1986-01-03 | Elf Aquitaine | Process for flash pyrolysis of solid particles containing carbon |
| CN101063051A (en) * | 2006-04-26 | 2007-10-31 | 董久明 | Powder coal grading cleaning multigang utilization system |
| CN101885973A (en) * | 2010-06-28 | 2010-11-17 | 周松涛 | Dry distillation production process for lignite or high volatile coal |
| CN101974343A (en) * | 2010-10-25 | 2011-02-16 | 周松涛 | Vibrated fluidized bed dry distillation process for upgrading lignite |
| CN103666508A (en) * | 2013-12-24 | 2014-03-26 | 辽宁东大粉体工程技术有限公司 | Low-rank coal low-temperature dry distillation pyrolysis process |
| CN103992824A (en) * | 2014-05-28 | 2014-08-20 | 哈尔滨工业大学 | Double-cyclone coal pyrolysis gasification step converting device and double-cyclone coal pyrolysis gasification step converting method |
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Application publication date: 20170620 |