CN108192649A - The process system and its control method of hydrogen are directly produced based on coke oven - Google Patents

The process system and its control method of hydrogen are directly produced based on coke oven Download PDF

Info

Publication number
CN108192649A
CN108192649A CN201810104747.XA CN201810104747A CN108192649A CN 108192649 A CN108192649 A CN 108192649A CN 201810104747 A CN201810104747 A CN 201810104747A CN 108192649 A CN108192649 A CN 108192649A
Authority
CN
China
Prior art keywords
hydrogen
coal
vertical tube
branch
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810104747.XA
Other languages
Chinese (zh)
Other versions
CN108192649B (en
Inventor
盖东兴
晏楚骁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Institute of Technology
Original Assignee
Wuhan Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Institute of Technology filed Critical Wuhan Institute of Technology
Priority to CN201810104747.XA priority Critical patent/CN108192649B/en
Publication of CN108192649A publication Critical patent/CN108192649A/en
Application granted granted Critical
Publication of CN108192649B publication Critical patent/CN108192649B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/18Modifying the properties of the distillation gases in the oven
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/50Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
    • C01B3/52Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/002Removal of contaminants
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/02Dust removal
    • C10K1/028Dust removal by electrostatic precipitation
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/04Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/046Reducing the tar content
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/08Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Industrial Gases (AREA)

Abstract

The invention discloses a kind of process system that hydrogen is directly produced based on coke oven, including:Vertical tube, triple valve and the coal-gas recovering purification branch being connect with triple valve and hydrogen recycling branch, vertical tube are located at the top of carbonization chamber, are equipped with ammonia spray device on vertical tube, the exit of vertical tube is equipped with triple valve;Coal-gas recovering purification branch includes sequentially connected first gas collecting tube, primary cooler, the first electric tar, desulfurizing tower, the first Ammonic washing tower and washes benzene column;Hydrogen recycling branch includes being sequentially connected the second gas collecting tube, the second Ammonic washing tower and the second electric tar;When the temperature of carbonization chamber center coal is less than or equal to preset temperature, control triple valve makes vertical tube be connected with coal-gas recovering purification branch;When the temperature of carbonization chamber center coal is more than preset temperature, control triple valve makes vertical tube be connected with hydrogen recycling branch.The process system proposed by the present invention that hydrogen is directly produced based on coke oven reduces recycling hydrogen gas in coke oven gas cost.

Description

The process system and its control method of hydrogen are directly produced based on coke oven
Technical field
The present invention relates to coke-stove gas processing technology field more particularly to a kind of techniques that hydrogen is directly produced based on coke oven System and its control method.
Background technology
Coke oven be coal is heated under conditions of air is completely cut off destructive distillation generate coke stove, coal in retort process simultaneously Coke-stove gas is generated, the main component of coke-stove gas is H2(55%~60%)And CH4(23%~27%), in addition also contain a small amount of CO (5%~8%)、C2More than unsaturated hydrocarbons(2%~4%)、CO2(1.5%~3%)、O2 (0.3%~0.8%))、N2(3% ~ 7%) etc., coke-oven coal Gas belongs to middle calorific value of gas, and calorific value is 17 ~ 19MJ/Nm3, it is a kind of important secondary energy sources.The hydrogeneous tolerance of oven gas is high, leads to The hydrogen of high-purity can be generated by crossing pressure-variable adsorption, and hydrogen is a kind of new energy fuel of cleaning, can also be used as the original of synthesis ammonia Material, protection gas of the steel station-service hydrogen as steel rolling bright annealing.
Containing plurality of impurities such as tar, benzene, naphthalene, sulfide, ammonia, hydride hydrogens in the raw coke oven gas that coke oven initially generates, need Clean coke-stove gas can be just obtained by multiple processes such as first cold, desulfurization, deamination, de- benzene, clean coke-stove gas is as change The raw material of pressure absorption hydrogen making.But generating the hydrogen of high-purity again by clean coke-stove gas at present, cost is higher.
Invention content
The process system and its controlling party of hydrogen are directly produced it is a primary object of the present invention to provide a kind of based on coke oven Method, it is intended to reduce recycling hydrogen gas in coke oven gas cost.
To achieve the above object, the present invention provides a kind of process system that hydrogen is directly produced based on coke oven, including:It is perpendicular Pipe, triple valve and the coal-gas recovering purification branch being connect with triple valve and hydrogen recycling branch, wherein,
The vertical tube is located at the top of carbonization chamber, is equipped with ammonia spray device on vertical tube, the exit of vertical tube is equipped with triple valve;
Coal-gas recovering purification branch includes sequentially connected first gas collecting tube, primary cooler, the first electric tar, desulfurizing tower, the One Ammonic washing tower and wash benzene column;
The hydrogen recycling branch includes being sequentially connected the second gas collecting tube, the second Ammonic washing tower and the second electric tar;
When the temperature of carbonization chamber center coal is less than or equal to preset temperature, control triple valve makes vertical tube purify branch with coal-gas recovering Road connects;When the temperature of carbonization chamber center coal is more than preset temperature, control triple valve makes vertical tube be connected with hydrogen recycling branch.
Preferably, it is provided with the first air blower between the first electric tar and desulfurizing tower of the coal-gas recovering purification branch.
Preferably, the second electric tar rear of the hydrogen recycling branch is provided with the second air blower.
Preferably, first Ammonic washing tower and the second Ammonic washing tower are connect with ammonia steaming device.
Preferably, the process system that hydrogen is directly produced based on coke oven further includes what is be electrically connected with the triple valve Controller, carbonization chamber inside set the temperature measuring equipment for measuring carbonization chamber center coal temperature, controller and temperature survey Device is electrically connected.
Present invention further propose that a kind of control method for the process system that hydrogen is directly produced based on above-mentioned coke oven, including Following steps:
At dry distillation of coal initial stage, control triple valve makes vertical tube be connected with coal-gas recovering purification branch, and coke-stove gas is sprayed by vertical tube Ammonium hydroxide cooling after, into coal-gas recovering purify branch in cooled down successively, tar removing, desulfurization, except ammonia and except benzene processing after, obtain To purified gas;
After the temperature of carbonization chamber center coal is more than preset temperature, control threeway Vavle switching makes vertical tube recycle branch company with hydrogen Logical, after coke-stove gas sprays ammonium hydroxide cooling by vertical tube, the second Ammonic washing tower that branch is recycled by hydrogen is highly concentrated except being obtained after ammonia The hydrogen of degree.
Preferably, the preset temperature is 750 DEG C.(The set temperature is related with coal, is about for general mixed coal 750℃).
The process system proposed by the present invention that hydrogen is directly produced based on coke oven, is had the advantages that:
1st, the hydrogen of the direct commercial coke oven coal gas of coke oven and concentration higher than 95% can be realized simultaneously, while it recycles hydrogen cost It is low;
2nd, while electrostatic precipitator efficiency of dust collection and dedusting stability is ensured, the gas cooler of original system can be cancelled, So as to simplify system.
Description of the drawings
Fig. 1 is the structure diagram for the process system that hydrogen is directly produced the present invention is based on coke oven.
In figure, 10- vertical tubes, 20- triple valves, the first gas collecting tubes of 31-, 32- primary coolers, the first electric tars of 33-, 34- desulfurization Tower, the first Ammonic washing towers of 35-, 36- wash benzene column, the first air blowers of 37-, the second gas collecting tubes of 41-, the second Ammonic washing towers of 42-, 43- second Electric tar, the second air blowers of 44-, 50- ammonia steaming devices.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention proposes a kind of process system that hydrogen is directly produced based on coke oven.
In this preferred embodiment, a kind of process system that hydrogen is directly produced based on coke oven, including:Vertical tube 10, triple valve 20 and connect with triple valve 20 coal-gas recovering purification branch and hydrogen recycling branch, wherein,
Vertical tube 10 is located at the top of carbonization chamber, is equipped with ammonia spray device on vertical tube 10, the exit of vertical tube 10 is equipped with threeway Valve 20;
Coal-gas recovering purification branch includes sequentially connected first gas collecting tube 31, primary cooler 32, the first electric tar 33, desulfurizing tower 34th, the first Ammonic washing tower 35 and benzene column 36 is washed;
Hydrogen recycling branch includes being sequentially connected the second gas collecting tube 41, the second Ammonic washing tower 42 and the second electric tar 43;
When the temperature of carbonization chamber center coal is less than or equal to preset temperature, control triple valve 20 makes vertical tube 10 and coal-gas recovering net Change branch connection;When the temperature of carbonization chamber center coal is more than preset temperature, control triple valve 20 makes vertical tube 10 be recycled with hydrogen Branch connects.
Further, it is provided with the first air blower between coal-gas recovering purification the first electric tar 33 of branch and desulfurizing tower 34 37.43 rear of the second electric tar of hydrogen recycling branch is provided with the second air blower 44.
First Ammonic washing tower 35 and the second Ammonic washing tower 42 are connect with ammonia steaming device 50.By ammonia steaming device 50 in Ammonic washing tower Ammonium hydroxide recycled.
Further, the process system that hydrogen is directly produced based on coke oven further includes the control being electrically connected with triple valve 20 Device, carbonization chamber inside set the temperature measuring equipment for measuring carbonization chamber center coal temperature, controller and temperature measuring equipment Electrical connection.
By setting controller, so as to fulfill switching is automatically controlled, reduce manual operation.Because the temperature of destructive distillation coal be from Both sides are constantly raised toward center, and when the temperature of carbonization chamber center coal reaches 750 DEG C, triple valve just is switched to hydrogen recycling Branch.
Coke oven has many group carbonization chambers to compose in parallel, and each carbonization chamber is mutual indepedent, and coal is in carbonization chamber during destructive distillation Between about in 18-22h, coal mainly generates methane, hydrogen sulfide, tar, benzene and homologue, naphthalene etc. at destructive distillation initial stage, with destructive distillation temperature The raising of degree, the content of hydrogen are continuously improved, and are hydrogen in the almost all that destructive distillation later stage coal releases in Coking Process. Therefore, the process system that hydrogen is directly produced based on coke oven is switched in time according to the temperature of carbonization chamber center coal.
It is as follows that the process system of hydrogen its operation principle is directly produced based on coke oven.
At dry distillation of coal initial stage, control triple valve 20 makes vertical tube 10 be connected with coal-gas recovering purification branch, and coke-stove gas passes through After vertical tube 10 sprays ammonium hydroxide cooling, purified in branch into coal-gas recovering and cooled down successively, tar removing, desulfurization, except ammonia and removed After benzene processing, purified gas is obtained;
When the temperature of carbonization chamber center coal is more than preset temperature(750℃)Afterwards, the switching of control triple valve 20 makes vertical tube 10 and hydrogen Branch connection is recycled, after coke-stove gas sprays ammonium hydroxide cooling by vertical tube 10, passes through the second Ammonic washing tower 42 that hydrogen recycles branch Except the hydrogen that high concentration is obtained after ammonia.
The process system proposed by the present invention that hydrogen is directly produced based on coke oven, is had the advantages that:
1st, the hydrogen of the direct commercial coke oven coal gas of coke oven and concentration higher than 95% can be realized simultaneously, while it recycles hydrogen cost It is low;
2nd, while electrostatic precipitator efficiency of dust collection and dedusting stability is ensured, the gas cooler of original system can be cancelled, So as to simplify system.
Present invention further propose that a kind of control method for the process system that hydrogen is directly produced based on coke oven.
In this preferred embodiment, a kind of control method for the process system that hydrogen is directly produced based on coke oven, including following Step:
At dry distillation of coal initial stage, control triple valve makes vertical tube be connected with coal-gas recovering purification branch, and coke-stove gas is sprayed by vertical tube Ammonium hydroxide cooling after, into coal-gas recovering purify branch in cooled down successively, tar removing, desulfurization, except ammonia and except benzene processing after, obtain To purified gas;
After the temperature of carbonization chamber center coal is more than preset temperature, control threeway Vavle switching makes vertical tube recycle branch company with hydrogen Logical, after coke-stove gas sprays ammonium hydroxide cooling by vertical tube, the second Ammonic washing tower that branch is recycled by hydrogen is highly concentrated except being obtained after ammonia The hydrogen of degree.
Specifically, preset temperature is 750 DEG C.(The set temperature is related with coal, is about 750 for general mixed coal ℃).
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure transformation that bright specification and accompanying drawing content are made directly or indirectly is used in other related technical areas, Similarly it is included within the scope of the present invention.

Claims (7)

1. a kind of process system that hydrogen is directly produced based on coke oven, which is characterized in that including:Vertical tube, triple valve and with three The coal-gas recovering purification branch of port valve connection and hydrogen recycling branch, wherein,
The vertical tube is located at the top of carbonization chamber, is equipped with ammonia spray device on vertical tube, the exit of vertical tube is equipped with triple valve;
Coal-gas recovering purification branch includes sequentially connected first gas collecting tube, primary cooler, the first electric tar, desulfurizing tower, the One Ammonic washing tower and wash benzene column;
The hydrogen recycling branch includes being sequentially connected the second gas collecting tube, the second Ammonic washing tower and the second electric tar;
When the temperature of carbonization chamber center coal is less than or equal to preset temperature, control triple valve makes vertical tube purify branch with coal-gas recovering Road connects;When the temperature of carbonization chamber center coal is more than preset temperature, control triple valve makes vertical tube be connected with hydrogen recycling branch.
2. the process system of hydrogen is directly produced based on coke oven as described in claim 1, which is characterized in that the coal-gas recovering The first air blower is provided between the first electric tar and desulfurizing tower of purification branch.
3. the process system of hydrogen is directly produced based on coke oven as described in claim 1, which is characterized in that the hydrogen recycling Second electric tar rear of branch is provided with the second air blower.
4. the process system of hydrogen is directly produced based on coke oven as described in claim 1, which is characterized in that described first washes ammonia Tower and the second Ammonic washing tower are connect with ammonia steaming device.
5. the process system that hydrogen is directly produced based on coke oven as described in any one in Claims 1-4, feature are existed In further including the controller being electrically connected with the triple valve, setting is for measuring carbonization chamber center coal temperature inside carbonization chamber Temperature measuring equipment, controller are electrically connected with temperature measuring equipment.
6. a kind of control of process system that hydrogen is directly produced based on coke oven as described in any one in claim 1 to 5 Method, which is characterized in that include the following steps:
At dry distillation of coal initial stage, control triple valve makes vertical tube be connected with coal-gas recovering purification branch, and coke-stove gas is sprayed by vertical tube Ammonium hydroxide cooling after, into coal-gas recovering purify branch in cooled down successively, tar removing, desulfurization, except ammonia and except benzene processing after, obtain To purified gas;
After the temperature of carbonization chamber center coal is more than preset temperature, control threeway Vavle switching makes vertical tube recycle branch company with hydrogen Logical, after coke-stove gas sprays ammonium hydroxide cooling by vertical tube, the second Ammonic washing tower that branch is recycled by hydrogen is highly concentrated except being obtained after ammonia The hydrogen of degree.
7. the control method of the process system of hydrogen is directly produced based on coke oven as claimed in claim 6, which is characterized in that institute It is 750 DEG C to state preset temperature.
CN201810104747.XA 2018-02-02 2018-02-02 Process system for directly producing hydrogen based on coke oven and control method thereof Expired - Fee Related CN108192649B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810104747.XA CN108192649B (en) 2018-02-02 2018-02-02 Process system for directly producing hydrogen based on coke oven and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810104747.XA CN108192649B (en) 2018-02-02 2018-02-02 Process system for directly producing hydrogen based on coke oven and control method thereof

Publications (2)

Publication Number Publication Date
CN108192649A true CN108192649A (en) 2018-06-22
CN108192649B CN108192649B (en) 2020-01-14

Family

ID=62591962

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810104747.XA Expired - Fee Related CN108192649B (en) 2018-02-02 2018-02-02 Process system for directly producing hydrogen based on coke oven and control method thereof

Country Status (1)

Country Link
CN (1) CN108192649B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111718738A (en) * 2020-06-30 2020-09-29 葛霖 Coke oven hydrogen utilization method and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002069456A (en) * 2000-08-31 2002-03-08 Kawasaki Steel Corp Method for recovering sensible heat of coke oven gas
US20050100693A1 (en) * 2003-11-12 2005-05-12 Mesofuel, Incorporated Hydrogen generation reactor chamber with reduced coking
CN101701703A (en) * 2009-11-25 2010-05-05 中冶焦耐工程技术有限公司 Residual heat utilizing technology of coke oven crude gas
CN101850949A (en) * 2010-06-11 2010-10-06 大连理工大学 Method with high purity and high recovery rate for purifying hydrogen gas in coke oven gas
CN102517043A (en) * 2011-11-12 2012-06-27 太原煤气化股份有限公司 Method for heating and controlling temperature of coke oven
US20150141535A1 (en) * 2011-09-08 2015-05-21 Expander Energy Inc. Process for co-producing commercially valuable products from byproducts of fischer-tropsch process for hydrocarbon fuel formulation in a gtl environment
JP2016035015A (en) * 2014-08-04 2016-03-17 Jfeケミカル株式会社 Method for refining coke oven gas

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002069456A (en) * 2000-08-31 2002-03-08 Kawasaki Steel Corp Method for recovering sensible heat of coke oven gas
US20050100693A1 (en) * 2003-11-12 2005-05-12 Mesofuel, Incorporated Hydrogen generation reactor chamber with reduced coking
CN101701703A (en) * 2009-11-25 2010-05-05 中冶焦耐工程技术有限公司 Residual heat utilizing technology of coke oven crude gas
CN101850949A (en) * 2010-06-11 2010-10-06 大连理工大学 Method with high purity and high recovery rate for purifying hydrogen gas in coke oven gas
US20150141535A1 (en) * 2011-09-08 2015-05-21 Expander Energy Inc. Process for co-producing commercially valuable products from byproducts of fischer-tropsch process for hydrocarbon fuel formulation in a gtl environment
CN102517043A (en) * 2011-11-12 2012-06-27 太原煤气化股份有限公司 Method for heating and controlling temperature of coke oven
JP2016035015A (en) * 2014-08-04 2016-03-17 Jfeケミカル株式会社 Method for refining coke oven gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111718738A (en) * 2020-06-30 2020-09-29 葛霖 Coke oven hydrogen utilization method and system

Also Published As

Publication number Publication date
CN108192649B (en) 2020-01-14

Similar Documents

Publication Publication Date Title
CN102256894B (en) Method and device for producing raw synthesis gas
CN101391746B (en) Small-sized coal gasification hydrogen making method
MX2007001249A (en) Method and apparatus for producing clean reducing gases from coke oven gas.
CN102712959A (en) Method for producing direct reduced iron with limited CO2 emissions
EP2346600A2 (en) Energy-efficient system for generating carbon black, preferably in energetic cooperation with systems for generating silicon dioxide and/or silicon
CN103418360A (en) Regenerative device and method for desulfurized and denitrified active coke
US20160186992A1 (en) Direct-fired heating method and facility for implementing same
CN104109545A (en) Process and device for carbonizing coal in indirect heating and direct gas heating ways
CN203904261U (en) Ammonia water-coal gas coke quenching equipment
CN101724471A (en) Method for purifying and recycling benzoid hydrocarbon, ammonia and coal tar from coke-oven gas
CN108192649A (en) The process system and its control method of hydrogen are directly produced based on coke oven
JP2014528503A (en) Coke dry quenching with carbon dioxide, including subsequent use of produced carbon monoxide
KR101254977B1 (en) Apparatus and Method for Treating Coke Oven Gas
CN113214683B (en) Process and device for preparing high-quality carbon black by cracking shale gas with plasma
CN102604685B (en) Biomass synthesis gas positive pressure purification process and system configuration for oil production
CN106947541B (en) Combined method and system for hydrogen production based on low-rank coal pyrolysis water vapor coke quenching water gas
CN203370558U (en) Desulfurization and denitrification active coke regeneration device
CN102391892B (en) Blast furnace gas enrichment apparatus and method
CN105985815A (en) Method for controlling benzene content of benzene-washed coke oven gas in coke oven gas benzene washing system
CN2780777Y (en) Cleaning cold and clean coal gas forced circulation cover type bright anealing furnace system
CN203639435U (en) Device for combining normal temperature/low temperature methanol washing to process crude synthesis gas containing oil
CN113955718B (en) Direct reforming process and system for non-catalytic partial oxidation of high-temperature raw gas
CN102786953B (en) Coke oven grouped novel bridge pipe crude gas waste heat recovery device
JP2017510710A (en) Equipment and methods for utilizing electrical energy for iron making from iron oxide minerals
JP2013128908A (en) Gas separation recovery method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200114

CF01 Termination of patent right due to non-payment of annual fee