CN106675651A - Method and equipment for producing gasoline by biomass gasification - Google Patents
Method and equipment for producing gasoline by biomass gasification Download PDFInfo
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- CN106675651A CN106675651A CN201611218949.4A CN201611218949A CN106675651A CN 106675651 A CN106675651 A CN 106675651A CN 201611218949 A CN201611218949 A CN 201611218949A CN 106675651 A CN106675651 A CN 106675651A
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- gasification
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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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/06—Continuous processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2/00—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
- C10G2/30—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
- C10G2/32—Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
- C10G45/06—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
- C10G45/08—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
- C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/12—Liquefied petroleum gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/04—Diesel oil
-
- 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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
Abstract
The invention relates to a method for producing gasoline by biomass gasification. The method comprises the following steps: adding biomass to a fixed bed pressurized gasifier to be gasified to generate dust and oil containing coal gas, sending into an integrated oil and gas pyrolysis purifier for pyrolysis purification, cooling, converting and purifying crude coal gas obtained by pyrolysis purification to obtain purified coal gas, allowing the purified coal gas to react by adopting a fixed bed or slurry bed reactor under the action of iron base to obtain a liquid phase product for hydrorefining, and obtaining 58 to 65wt% of gasoline, 16 to 20 wt% of diesel oil, and 8 to 12 wt% of liquefied petroleum gas and part of specialty wax after refining. The method provided by the invention has the advantages of high gasification efficiency, simple follow-up process and low investment cost.
Description
Technical field
Biogasoline technical field is prepared the present invention relates to biomass, more particularly to a kind of gasification of biomass production gasoline
Method and apparatus.
Background technology
The energy is the basis that modern society depends on for existence and development, and the supply capacity substantial connection of the energy national economy
Sustainable development, is one of basis of national strategy safety guarantee.The current main energy sources of China come from coal, oil, natural gas
Etc. fossil energy, fossil energy in addition to storage is limited, necessarily causes air pollution, greatly as the disposable energy during its utilization
Gas warms, sea level rise and the environmental problem such as acid rain.In the long run consider, it is necessary to seek one or more reproducible energy
Source is used as supplement, development in pluralism.Biomass energy is low-sulphur fuel that is renewable and will not increasing greenhouse gases, can also reduce ring
Border public hazards, fuel characteristic is similar to lignite, uses for reference the utilization experience of young brown coal, develops and use biomass energy.
By gasification, production fuel gas, synthetic liquid fuel, synthesis of chemicals technology turn into clean effective heat to biomass
Chemical conversion technology, therefore gasification of biomass is converted into one of main path of the high-quality energy as biomass energy.At present
Widely used biomass gasification technology mainly has fixed bed gasification and fluidized gasification.Fixed bed gasification is general with air as gas
Agent, gasification furnace type has happy formula gasification furnace, horizontal draft gasification furnace, uniflow gas stove, down-draft type gasifying furnace, with equipment
Simple structure, it is easily operated the features such as.Fluidized-bed gasification furnace can be divided into bubbling fluidization bed gasification furnace, circle fluidized-bed gasification furnace and
Double-fluidized-bed gasification furnace, with being heated evenly, the features such as tar content is few, these technologies are normal pressure or low pressure at present, gasification
Pressure is not over 1.0MPa, and disposal ability is small, and the tar produced when gasification can result in blockage and corrode to follow-up equipment,
Gasify the synthesis gas H for producing2/ CO ratios are single, dust-laden, the problems such as the gasification waste water containing tar is more.
Chinese patent, the patent No.：201210493250.4 disclosing a kind of biomass fixed-bed pressurized gasification prepares synthesis
The method and its device of gas, vapor pressure remain as low pressure, and vapor pressure is up to 0.6MPa, also do not solve gasification product
Raw results in blockage and etching problem to equipment, to the H of synthesis gas2/ CO ratios do not have regulatory function yet, or even in gasification
It is middle to produce more dust-ladens, the gasification waste water containing tar.
Through retrieving, the method for not finding to prepare liquid fuel through fixed bed pressured gasification as raw material with biomass, especially
Gasification efficiency is high, and follow-up processing flow is simple, the low method of cost of investment.
The content of the invention
The purpose of the present invention is exactly to overcome the shortcoming and defect in above-mentioned technology, there is provided a kind of gasification efficiency is high, after
Continuous handling process is simple, and the low gasification of biomass of cost of investment produces the method and apparatus of gasoline.
In order to achieve the above object, inventor is substantial amounts of by having carried out to biomass material characteristic and vaporization characteristic first
Experimental study, is then calculated and experience in design for many years by substantial amounts of simulation, has invented a kind of gasification of biomass production
The method of gasoline.
Production method of the present invention is comprised the following steps that：
First, gasification of biomass production raw gas
(1) biomass are prepared into the material that particle diameter is 12mm-80mm, fixed bed pressured gasification is added by feeder
Stove, gasifying agent is gasified from gasification furnace bottom into gasification furnace, the dust-laden of generation of gasifying, the coal gas feeding integral type oil gas of oil
Cracking clarifier carries out cracking purification, and gasification lime-ash is discharged after being exchanged heat in gasifier with gasifying agent；
(2) dust-laden, the coal gas of oil and oxygen carry out Pintsch process by burner nozzle divided combustion in cracker combustion chamber,
The oil in raw gas, hydrocarbons, organic sulfur etc. is set to be cracked into small-molecule substance, subsequently into clarifier；
(3) recirculated water is passed through in the double-deck water leg of clarifier, and the porous of 1/3-2/3 volumes is loaded in clarifier
Medium, for reclaiming the dust in the heat in cracker and absorption coal gas, reclaims the raw gas after heat and passes through gas passage
Drawn from gas exit, while producing saturated vapor；
Described biomass be agriculture and forestry organic waste material, with grindability it is poor, density is small, volatile matter is high, moisture is high, ash content
Less, calorific value is low, difficult into characteristics such as slurries, and for the present invention, the Wooden Biomass such as firewood vapour is optimal gasified raw material.
The biomass fixed-bed pressurized gasification technology is directed to the fixation of biomass material characteristic and vaporization characteristic exploitation
Bed pressurized gasification technology, the technology is low to feed stock for blast furnace requirement, such as：
(1) feed stock for blast furnace is bulk, and granularity is in 12-80mm.Biomass grindability is poor, hardly possible is easily made into slurry
Raw material of the granularity in 12-80mm；
(2) aspects such as moisture, ash content, thermally-stabilised, volatile matter, calorific value to raw material are not limited strictly, so for life
The carbon-rich materials that material density is small, volatile matter is high, moisture is high, ash content is few, calorific value is low, can also gasify；
(3) fixed bed pressured gasification technical operation is operated below ash fusion point, does ash discharge, rich alkali metal in biomass ash
Normal operation is nor affected on the characteristic of alkaline-earth metal.
(4) the fixed bed pressured gasification technical operation condition described in：Gasification temperature with biological qualitative change, in 750-1050 degree,
Vapor pressure 1.0-6.0MPa, gasifying agent is Diversity gasifying agent, and conveniently regulating and controlling coal gas composition reduces gas liquor growing amount.
According to biomass material characteristic and the biomass pressurized gasification technology of gasification characteristics design.
It is the biomass of 12-80mm by particle diameter, adds gasification furnace, gasifying agent to enter gas from gasification furnace bottom by feeder
Change stove, the composition of gasifying agent is the mixed gas of oxygen, steam and carbon dioxide composition, steam：Oxygen：The ratio of carbon dioxide
In 2.0-9.0kg：Nm3：0-6.0Nm3, vapor pressure between 1.2MPa-6.0MPa, gasification temperature 750-1050 degree.
The temperature of cracker combustion chamber is higher than 1300 degree, and pressure is according to volume ratio with coal gas in 0.8-5.6MPa, oxygen
1:The ratio of 6.0-10.0 enters cracker burning cracking after burner mixes with the speed of 60m/s-70m/s, generates small point
Sub- material.
The small-molecule substance being cracked to form enters clarifier, and dedusting is carried out during porous media by loading, and uses clarifier
Dust content reaches below 5mg in raw gas, and the heat of generation is reclaimed by double-jacket, and production pressure is full for 0.6-5.0MPa's
And steam.
Porous media into clarifier is catalyst, activated carbon, coke or fire resistant filter material.
In order to reach the purpose of the present invention, integral type oil gas cracking clarifier is devised, it includes burner, cracker and net
Change device, the coupling of burner, cracker and clarifier is integrated, the top connection burner of cracker, cracker and clarifier pass through shell
Body is connected as one, and top is cracker, and bottom is clarifier.
Burner as described above is provided with fuel gas inlet, and oxygen inlet, cooling water inlet, coolant outlet and igniting check dress
Put, from inside to outside, blast tube is disposed with from top to bottom, the first cooling-water duct, oxygen channel and the second cooling water are logical
Road, blast tube has fuel gas inlet, and the first cooling-water duct has the first cooling water inlet, the first coolant outlet, oxygen channel
There is oxygen inlet, the second cooling-water duct has the second cooling water inlet, and the second coolant outlet has igniting to examine in blast tube
Device is looked into, the firing tip of check device of lighting a fire is located at combustion gas and oxygen mix.
Burner as described above is fabricated structure, it is ensured that burner is in low temperature, expands material selection range, extends burner
Service life, igniting check device is used to lighting a fire and detecting ignition conditions that igniting to be examined by arc ignition, detection by temperature control
Look into, with simple structure, using conveniently, safely the characteristics of.
The cracker includes housing and thermal insulating warm-keeping layer, and inner walls have thermal insulating warm-keeping layer, the bottom of thermal insulating warm-keeping layer
It is pyramidal structure, inner chamber is combustion chamber, and bottom uses throat structure.
The design of the pyramidal structure, thermal insulating warm-keeping layer of cracker as described above, reduces heat dissipation capacity, makes the combustion chamber temperature can
To reach more than 1300 DEG C, high temperature can by the carbon-rich materials such as hydrocarbons, tar, organic sulfur etc. in coal gas be cracked into CO,
CO2、H2And H2The small-molecule substances such as S, while the free oxygen consumed in purified gas all participates in reaction.
Clarifier as described above is to include housing and double-deck water leg, double-deck water leg upper surface and thermal insulating warm-keeping layer taper
Inclined-plane it is parallel, and constitute Porous Channel, have porous media import on Porous Channel, in double-deck water leg upper surface
There is water leg straight section downwards, water leg straight section forms purified gas passage with housing, and gas exit is located at purified gas channel roof, shell
Water leg admission port is arranged at the bottom that there is waste gate, double-deck water leg body bottom, and steam (vapor) outlet is arranged at top.
2nd, rough coal air cooling, conversion and purification
(1) after the raw gas after cracking recovery heat carries out heat exchange cooling with purified gas, a part of raw gas enters line translation
Reaction, mixes with another part raw gas be further cooled to -30 to -50 degree afterwards, into cleaning procedure, in abjection coal gas
H2S、CO2Sour gas, while deviating from the Cl contained in coal gas-And Br-And Pb, Sn and Bi etc. are to the thing of synthesis catalytic poisoning
Matter；The condensate liquid of cooling procedure generation is sent to wastewater treatment operation and is processed；
(2) H obtained after purifying2S produces sulphur using sulfur recovery, and carbon dioxide adjusts coal gas as gasifying agent
Composition, purified gas is exchanged heat with sintetics；
Cleaning procedure belonging to above-mentioned uses low-temp methanol washing process, and a step can just deviate from all of in cracking gas simultaneously
Impurity, makes after purification H in coal gas2The content of S is less than 0.03mg/m3Hereinafter, CO2Content does not contain Cl below 1%-And Br-With
And the impurity such as Pb, Sn and Bi.
H in purified gas after cleaning procedure purification belonging to above-mentioned2The ratio of/CO is between 1.3-1.6.
3rd, synthesize, refine
Different catalyst can produce different oil products, the H in different reactors and reaction condition and unstripped gas2/
The factors such as CO ratios can change the composition of product.There is iron-based class for Synthetic gasoline catalyst；Relatively low H2/ CO ratios, low temperature,
High-pressure synthesis, specific steps include：
(1) purified gas that auto purification in future operation is come successively exchanges heat respectively with the product, raw gas for synthesizing, then with pressurization
Circulating air afterwards is with 1：The volume ratio of 0.6-3 is mixed, and mixing temperature is 300-350 degree, and pressure is that 1.8-5.5MPa is laggard
Enter synthesis reactor, the hydrocarbons of liquid and gas, the fixed gas of gas phase are synthesized in the presence of iron-based or cobalt-base catalyst
A body part is recycled as circulating air, and another part is fuel gas after pressure-variable adsorption reclaims hydrogen, reclaims hydrogen and send
Go hydrofinishing；
(2) liquid-phase product obtained by condensation, by being preheating to 260-350 degree, pressure 3.5-6.4MPa, hydrogen-oil ratio value
In 240-280m3/m3, NiMo/Al2O3Or CoMo/Al2O3The hydrogen obtained with pressure-variable adsorption under catalysts conditions carries out hydrogenation essence
System, obtains the gasoline of 58-65wt%, the diesel oil of 16-20wt%, the liquefied petroleum gas (LPG) of 8-12wt% and portion after refining
Divide special wax；
(3) acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.
Above-mentioned pressure-variable adsorption temperature is 35-40 DEG C, and absorption inlet pressure is 1.8-5.4MPa, outlet pressure 1.65-
5.05MPa。
The gasoline products obtained after hydrofinishing described above, can be as without sulphur, nitrogen-free, low aromatic hydrocarbons, high-octane rating
The high-quality high cetane number addO-on therapy of 97# gasoline.
Beneficial effects of the present invention are as follows：
(1) a kind of gasification of biomass of the invention produces the method and apparatus of gasoline, can continuously and stably using biology
Matter gasification production is without H in tar, coal gas2The adjustable synthesis gas of/CO ratios, condensation water process is simple, and the invention has significantly section
Energy, emission reduction, water-reducing effect.
(2) the integral type oil gas cracking clarifier for being used in a kind of method of gasification of biomass production gasoline of the invention is skilful
Pyrolysis oven and clarifier coupling are integrated wonderfully, equipment is simple, takes up an area few advantage.
(3) the cracker inwall set in gasification outlet is provided with thermal insulating warm-keeping layer and throat structure, can make cracking temperature
Up to more than 1300 DEG C, to carbon-rich materials such as hydrocarbons, tar, organic sulfur etc. is once cracked into CO, CO2、H2And H2S etc. is small
Molecular substance, oxygen all participates in reaction.There is no hydro carbons, phenols and oil compounds in follow-up gas liquor, without big
Amount water washing, makes gas liquor treating capacity small, and energy consumption is low, pollution is small, and operating cost is significantly reduced.
(4) clarifier that a kind of method of gasification of biomass production gasoline of the invention is used is water leg structure, can be with
The sensible heat of the high-temperature gas produced to cracker is fully reclaimed.Clarifier internal porous medium uses activated carbon, coke, right
After cracking gas carry dust play catharsis, while also by can by tar fraction burning produced by carbon dioxide and
Aqueous vapour reducing in coal gas is flammable carbon monoxide, and hydrogen increases gas yield, the H in regulation coal gas2/ CO ratios are made
With.
(5) gasoline products of production, can be as the high-quality Gaoxin of 97# gasoline without sulphur, nitrogen-free, low aromatic hydrocarbons, high-octane rating
Alkane value addO-on therapy.
Brief description of the drawings
Fig. 1 is the method process schematic representation that a kind of gasification of biomass of the invention produces gasoline.
Fig. 2 is the integral type oil gas cracking clarifier structural representation that the present invention is used
In figure, 1- burners, 2- crackers, 3- clarifiers, 4- fuel gas inlets, 5- oxygen inlets, the cooling-water ducts of 6-1 first
There is the first cooling water inlet, the coolant outlets of 7-1 first, the cooling-water ducts of 6-2 second have the second cooling water inlet, 7-2 second
Coolant outlet, 8- igniting, check device, 9- thermal insulating warm-keeping layers, 10- sleeves, 11- Porous Channels, 12- sleeve straight sections,
13- purifier shells, 14- gas exits, 15- waste gates, 16- porous media imports, 17- water legs admission port, 18- steams
Vapor outlet
Specific embodiment
The present invention is further illustrated below by specific embodiment, it should be understood that these embodiments are only to use
In in more detail, specifically describe and be used, and be not to be construed as limiting the present invention in any form.
This part to used in the present invention to material and test method carry out general description.Although to realize
Many materials used in the present invention and operating method are it is known in the art that still the present invention still makees as detailed as possible herein
Description.It will be apparent to those skilled in the art that within a context, if not specified, material therefor of the present invention and operating method are
It is well known in the art.
More detailed description is done to specific embodiment of the invention below in conjunction with accompanying drawing.
Embodiment 1
Integral type oil gas cracks clarifier, and it includes burner 1, cracker 2 and clarifier 3, burner 1, cracker 2 and purification
The coupling of device 3 is integrated, and the top connection burner 1 of cracker 2, cracker 2 and clarifier 3 are connected as one by housing 13, on
Portion is cracker 2, and bottom is clarifier 3.
The burner 1 is provided with fuel gas inlet 4, and oxygen inlet 5, cooling water inlet, coolant outlet and igniting check dress
8 are put, from inside to outside, blast tube is disposed with from top to bottom, the first cooling-water duct, oxygen channel and the second cooling water are logical
Road, blast tube has fuel gas inlet 4, and the first cooling-water duct has the first cooling water inlet 6-1, the first coolant outlet 7-1, oxygen
Gas passage has oxygen inlet 5, and the second cooling-water duct has the second cooling water inlet 6-2, the second coolant outlet 7-2, in combustion gas
The firing tip for having igniting check device 8, check device 8 of lighting a fire in passage is located at combustion gas and oxygen mix.
Described burner 1 is fabricated structure, it is ensured that burner is in low temperature, expands material selection range, and extension burner makes
With the life-span, igniting check device 8 is used to lighting a fire and detecting ignition conditions that igniting to be detected by temperature control inspection by arc ignition,
With simple structure, using conveniently, safely the characteristics of.
The cracker 2 includes housing 13 and thermal insulating warm-keeping layer 9, and the inwall of housing 13 has thermal insulating warm-keeping layer 9, thermal insulating warm-keeping layer
9 bottom is pyramidal structure, and inner chamber is combustion chamber, and bottom uses throat structure.
The design of the pyramidal structure, thermal insulating warm-keeping layer of described cracker 2, reduces heat dissipation capacity, makes the combustion chamber temperature can be with
More than 1300 DEG C are reached, the carbon-rich materials such as hydrocarbons, tar, organic sulfur etc. in coal gas can be cracked into CO, CO by high temperature2、H2
And H2The small-molecule substances such as S, while the free oxygen consumed in purified gas all participates in reaction.
The clarifier 3 is to include housing 13 and double-deck water leg 10, the upper surface of double-deck water leg 10 and thermal insulating warm-keeping layer 9
The inclined-plane of taper is parallel, and constitutes Porous Channel 11, has porous media import 16 on Porous Channel 11, in Double-layer water
There is water leg straight section 12 upper end of chuck 10 downwards, and water leg straight section 12 forms purified gas passage, gas exit 14 with housing 13
Positioned at purified gas channel roof, water leg admission port is arranged at the bottom that there is waste gate 15, double-deck water leg 10 bottom of housing 13
17, steam (vapor) outlet 18 is arranged at top.
The porous media for loading clarifier 3 is catalyst, and loadings are the 2/7 of clarifier volume.
Specific steps include：
1st, the poplar that particle diameter is 20-79mm will be prepared into gasification furnace is added by feed bin, with steam, oxygen and carbon dioxide
Ratio be 2.2kg：1Nm3:6Nm3, vapor pressure 1.2MPa, temperature is 990 degree, by gasifier gasification, the coal gas of generation and
Oxygen is 1 according to volume ratio:8.36 ratio enters cracker after burner mixes with the speed of 62m/s, is in temperature
1525 degree of lower burning cracking, generate small-molecule substance.The small-molecule substance being cracked to form enters clarifier, by loading porous Jie
Dedusting is carried out during matter, dust content reaches below 5mg in using clarifier raw gas, and the heat of generation is reclaimed by double-jacket,
Production pressure is the saturated vapor of 0.62MPa.
2nd, rough coal air cooling, conversion and purification
After raw gas after cracking recovery heat carries out heat exchange cooling with purified gas, part raw gas carries out transformationreation,
Then by low temperature methanol cleaning, H in coal gas after purification2The content of S is less than 0.03mg/m3Hereinafter, CO2Content 1% with
Under, do not contain Cl-And Br-And the impurity, H in coal gas such as Pb, Sn and Bi2The ratio of/CO is 1.32.H after purification2S uses sulphur
Remanufacture sulphur, carbon dioxide is used as gasifying agent, regulation coal gas composition；Enter the condensate liquid that the cooling of cleaning system is produced
Wastewater treatment is sent to focus on.
3rd, auto purification in future operation come coal gas by exchanging heat twice, then with pressurization after circulating air with 1：0.65 body
Product ratio is mixed, and mixing temperature is 310 degree, pressure for after 1.8MPa into synthesis reactor, in the effect of ferrum-based catalyst
The hydrocarbons of lower synthesis liquid and gas, liquid-phase product is by being preheating to 260-290 degree occurrences, pressure 3.6MPa, hydrogen oil
Ratio is in 248m3/m3, NiMo/Al2O3Hydrofinishing under catalyst, can obtain the gasoline of 59% (weight), 19.8% after refining
The diesel oil of (weight), the liquefied petroleum gas (LPG) and part special wax of 8.2% (weight)；The hydrogen that unifining process is used
Gas alone cycle, constantly separates hydrogen and is used as fresh hydrogen supplement from synthesis Posterior circle gas by PAS pressure-variable adsorptions, remaining work
For fuel gas is used；The acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.PAS pressure-variable adsorptions temperature is 40
DEG C, pressure-variable adsorption inlet pressure is 1.8MPa, outlet pressure 1.66MPa.
Embodiment 2
The porous media for loading clarifier 3 is activated carbon, and loadings are the 11/18 of clarifier volume.
Specific steps include：
1st, by biomass be prepared into particle diameter be 12mm-60mm poplar by feed bin addition gasification furnace, with steam, oxygen and
The ratio of carbon dioxide is 4.5kg：1Nm3:3.7Nm3, vapor pressure 3.0MPa, temperature be 850 degree under, by gasifier gasification,
The coal gas of generation is 1 according to volume ratio with oxygen:The ratio of 1.0-5.0 is entered after burner mixes with the speed of 67m/s to be split
Solution device, cracking of being burnt under being higher than 1305 degree in temperature, generates small-molecule substance.The small-molecule substance being cracked to form enters purification
Device, dedusting is carried out by loading during porous media, dust content reaches below 5mg, the heat of generation in using clarifier raw gas
Reclaimed by double-jacket, production pressure is the saturated vapor of 2.8MPa.
2nd, rough coal air cooling, conversion and purification
After coal gas after cracking recovery heat carries out heat exchange cooling with purified gas, part coal gas carries out transformationreation, then
By low temperature methanol cleaning, H in coal gas after purification2The content of S is less than 0.03mg/m3Hereinafter, CO2Content below 1%, no
Contain Cl-And Br-And the impurity, H in coal gas such as Pb, Sn and Bi2The ratio of/CO is between 1.58.H after purification2S uses sulphur
Remanufacture sulphur, carbon dioxide is used as gasifying agent, regulation coal gas composition；Enter the condensate liquid that the cooling of cleaning system is produced
Wastewater treatment is sent to focus on.
3rd, auto purification in future operation come coal gas by exchanging heat twice, then with pressurization after circulating air with 1：1.2 body
Product ratio is mixed, and mixing temperature is 325 degree, pressure for after 2.8MPa into synthesis reactor, in the effect of ferrum-based catalyst
The hydrocarbons of lower synthesis liquid and gas, liquid-phase product is existed by being preheating to 260-350 degree, pressure 2.75MPa, hydrogen-oil ratio value
240-280m3/m3, CoMo/Al2O3Hydrofinishing under catalyst, can obtain the gasoline of 64.6% (weight), 8.2% after refining
The diesel oil of (weight), the liquefied petroleum gas (LPG) and part special wax of 11.8% (weight)；The hydrogen that unifining process is used
Gas alone cycle, constantly separates hydrogen and is used as fresh hydrogen supplement from synthesis Posterior circle gas by PAS pressure-variable adsorptions, remaining work
For fuel gas is used；The acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.PAS pressure-variable adsorptions temperature is 39
DEG C, pressure-variable adsorption inlet pressure is 2.6MPa, outlet pressure 2.55MPa.Remaining is with embodiment 1.
Embodiment 3
The porous media for loading clarifier 3 is coke, and loadings are the 1/2 of clarifier volume.
Specific steps include：
1st, biomass are prepared into the poplar that particle diameter is 15-70mm and gasification furnace is added by feed bin, with steam, oxygen and two
The ratio of carbonoxide is 4kg：1Nm3:3.8Nm3With the ratio of steam and oxygen in 4.0kg/Nm3, vapor pressure 2.45MPa, temperature
It is 860 degree to spend, and by gasifier gasification, the coal gas of generation is 1 according to volume ratio with oxygen:9.15 ratio is mixed by burner
Cracker is entered with the speed of 65m/s afterwards, cracking of being burnt at 1356 degree of temperature generates small-molecule substance.What is be cracked to form is small
Molecular substance enters clarifier, and dedusting is carried out during porous media by loading, and dust content reaches 3mg in using clarifier raw gas
Hereinafter, the heat of generation is reclaimed by double-jacket, and production pressure is the saturated vapor of 2.2MPa.
2nd, rough coal air cooling, conversion and purification
After coal gas after cracking recovery heat carries out heat exchange cooling with purified gas, part coal gas carries out transformationreation, then
By low temperature methanol cleaning, H in coal gas after purification2The content of S is less than 0.03mg/m3Hereinafter, CO2Content below 1%, no
Contain Cl-And Br-And the impurity, H in coal gas such as Pb, Sn and Bi2The ratio of/CO is between 1.55.H after purification2S uses sulphur
Remanufacture sulphur, carbon dioxide is used as gasifying agent, regulation coal gas composition；Enter the condensate liquid that the cooling of cleaning system is produced
Wastewater treatment is sent to focus on.
3rd, auto purification in future operation come coal gas by exchanging heat twice, then with pressurization after circulating air with 1：2.8 body
Product ratio is mixed, and mixing temperature is 345 degree, pressure for after 2.25MPa into synthesis reactor, in the effect of ferrum-based catalyst
The hydrocarbons of lower synthesis liquid and gas, liquid-phase product is existed by being preheating to 290-345 degree, pressure 2.45MPa, hydrogen-oil ratio value
240-270m3/m3, NiMo/Al2O3Hydrofinishing under catalyst, can obtain the gasoline of 63% (weight), 18% (weight after refining
Amount) gasoline, the liquefied petroleum gas (LPG) and part special wax of 9% (weight)；The hydrogen that unifining process is used is independent
Circulation, constantly separates hydrogen and is used as fresh hydrogen supplement from synthesis Posterior circle gas by PAS pressure-variable adsorptions, and remaining is used as fuel
Gas is used；The acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.PAS pressure-variable adsorptions temperature is 40 DEG C, transformation
Absorption inlet pressure is 2.25MPa, outlet pressure 2.15MPa.Remaining is with embodiment 1.
Embodiment 4
The porous media for loading clarifier 3 is catalyst, and loadings are the 3/7 of clarifier volume.
Specific steps include：
1st, biomass are prepared into the poplar that particle diameter is 15-60mm and gasification furnace is added by feed bin, with steam, oxygen and two
The ratio of carbonoxide is 6.5kg：1Nm3:2Nm3, vapor pressure 4.5MPa, temperature is under 820 degree, by gasifier gasification, to generate
Coal gas and oxygen be 1 according to volume ratio:7.20 ratio enters cracker after burner mixes with the speed of 68m/s,
The lower burning cracking of 1315 degree of temperature, generates small-molecule substance.The small-molecule substance being cracked to form enters clarifier, many by loading
Dedusting is carried out during the medium of hole, dust content reaches below 4mg in using clarifier raw gas, and the heat of generation is recovered by Double-layer clamp
Receive, production pressure is the saturated vapor of 4.2MPa.
2nd, rough coal air cooling, conversion and purification
After coal gas after cracking recovery heat carries out heat exchange cooling with purified gas, part coal gas carries out transformationreation, then
By low temperature methanol cleaning, H in coal gas after purification2The content of S is less than 0.03mg/m3Hereinafter, CO2Content below 1%, no
Contain Cl-And Br-And the impurity, H in coal gas such as Pb, Sn and Bi2The ratio of/CO is between 1.45.H after purification2S uses sulphur
Remanufacture sulphur, carbon dioxide is used as gasifying agent, regulation coal gas composition；Enter the condensate liquid that the cooling of cleaning system is produced
Wastewater treatment is sent to focus on.
3rd, auto purification in future operation come coal gas by exchanging heat twice, then with pressurization after circulating air with 1：2.4 body
Product ratio is mixed, and mixing temperature is 220-235, and pressure is into synthesis reactor, in the work of ferrum-based catalyst after 4.3MPa
With the hydrocarbons of lower synthesis liquid and gas, liquid-phase product is by being preheating to 270-320 degree, pressure 4.25MPa, hydrogen-oil ratio value
In 240-280m3/m3, CoMo/Al2O3Hydrofinishing under catalyst, can obtain the gasoline of 63% (weight), 18% (weight after refining
Amount) diesel oil, the liquefied petroleum gas (LPG) and part special wax of 11% (weight)；The hydrogen list that unifining process is used
Solely circulation, constantly separates hydrogen and is used as fresh hydrogen supplement from synthesis Posterior circle gas by PAS pressure-variable adsorptions, and remaining is used as combustion
Material gas is used；The acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.PAS pressure-variable adsorptions temperature is 35 DEG C, is become
Pressure absorption inlet pressure is 4.2MPa, outlet pressure 4.05MPa.Remaining is with embodiment 1.
Embodiment 5
The porous media for loading clarifier 3 is coke, and loadings are the 2/5 of clarifier volume.
Specific steps include：
1st, biomass are prepared into the poplar that particle diameter is 20-68mm and gasification furnace is added by feed bin, with steam, oxygen and two
The ratio of carbonoxide is 8.7kg：1Nm3:0Nm3, vapor pressure 5.6MPa, temperature is under 780 degree, by gasifier gasification, to generate
Coal gas and oxygen according to the ratio that volume ratio is 6.25 by burner mix after cracker is entered with the speed of 63m/s, in temperature
Degree generates small-molecule substance higher than 1420 degree of lower burning cracking.The small-molecule substance being cracked to form enters clarifier, by filling
Dedusting is carried out during porous media, dust content reaches below 5mg in using clarifier raw gas, and the heat of generation passes through double-jacket
Reclaim, production pressure is the saturated vapor of 5.4MPa.
2nd, rough coal air cooling, conversion and purification
After coal gas after cracking recovery heat carries out heat exchange cooling with purified gas, part coal gas carries out transformationreation, then
By low temperature methanol cleaning, H in coal gas after purification2The content of S is less than 0.03mg/m3Hereinafter, CO2Content below 1%, no
Contain Cl-And Br-And the impurity, H in coal gas such as Pb, Sn and Bi2The ratio of/CO is between 1.45.H after purification2S uses sulphur
Remanufacture sulphur, carbon dioxide is used as gasifying agent, regulation coal gas composition；Enter the condensate liquid that the cooling of cleaning system is produced
Wastewater treatment is sent to focus on.
3rd, auto purification in future operation come coal gas by exchanging heat twice, then with pressurization after circulating air with 1：2.15 body
Product ratio is mixed, and mixing temperature is 338 degree, pressure for after 1.8-5.5MPa into synthesis reactor, in ferrum-based catalyst
The hydrocarbons of the lower synthesis liquid and gas of effect, liquid-phase product is by being preheating to 285-315 degree, pressure 6.2MPa, hydrogen-oil ratio
Value is in 240-280m3/m3, CoMo/Al2O3Hydrofinishing under catalyst, can obtain the gasoline of 64% (weight), 19% after refining
The diesel oil of (weight), the liquefied petroleum gas (LPG) and part special wax of 8.8% (weight)；The hydrogen that unifining process is used
Gas alone cycle, constantly separates hydrogen and is used as fresh hydrogen supplement from synthesis Posterior circle gas by PAS pressure-variable adsorptions, remaining work
For fuel gas is used；The acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.PAS pressure-variable adsorptions temperature is 38
DEG C, pressure-variable adsorption inlet pressure is 5.35MPa, outlet pressure 5.05MPa.Remaining is with embodiment 1.
Claims (14)
1. a kind of method that gasification of biomass produces gasoline, it is characterised in that comprise the following steps：
First, gasification of biomass production raw gas
(1) biomass are prepared into the material that particle diameter is 12mm-80mm, fixed bed pressured gasification stove, gas is added by feeder
Agent is gasified from gasification furnace bottom into gasification furnace, the coal gas feeding integral type oil gas cracking of the dust-laden, oil of generation of gasifying
Clarifier carries out cracking purification, and gasification lime-ash is discharged after being exchanged heat in gasifier with gasifying agent；
(2) dust-laden, the coal gas of oil and oxygen carry out Pintsch process by burner nozzle divided combustion in cracker combustion chamber, make thick
Oil, hydrocarbons, organic sulfur in coal gas etc. are cracked into small-molecule substance, subsequently into clarifier；
(3) recirculated water is passed through in the double-deck water leg of clarifier, and porous Jie of 1/3-2/3 volumes is loaded in clarifier
Matter, for reclaim the heat in cracker and absorption coal gas in dust, reclaim heat after raw gas by gas passage from
Gas exit is drawn, while producing saturated vapor；
2nd, rough coal air cooling, conversion and purification
(1) after the raw gas after cracking recovery heat carries out heat exchange cooling with purified gas, a part of raw gas carries out transformationreation,
Mix with another part raw gas afterwards and be further cooled to -30 to -50 degree, into cleaning procedure, the H in abjection coal gas2S、
CO2Sour gas, while deviating from the Cl contained in coal gas-And Br-And the material that Pb, Sn and Bi are poisoned to synthesis catalytic；Cooling
The condensate liquid of process generation is sent to wastewater treatment operation and is processed；
(2) H obtained after purifying2S produces sulphur using sulfur recovery, and carbon dioxide is constituted as gasifying agent, regulation coal gas,
Purified gas is exchanged heat with sintetics；
3rd, synthesize, refine
(1) auto purification in future operation come purified gas successively exchanged heat respectively with the product, raw gas being synthetically generated after, then with pressurization
Circulating air afterwards is with 1：The volume ratio of 0.6-3 is mixed, and pressure is 1.8-5.5MPa, and temperature is mixed during using fixed bed reactors
It is 300-350 degree to spend, and into synthesis reactor, the hydrocarbons of liquid and gas, gas is synthesized in the presence of ferrum-based catalyst
An on-condensible gas part for phase is recycled as circulating air, and another part is fuel gas after pressure-variable adsorption reclaims hydrogen,
Reclaim hydrogen and send to hydrofinishing；
(2) liquid-phase product obtained by condensation, by being preheating to 260-350 degree, pressure 3.5-6.4MPa, hydrogen-oil ratio value exists
240-280m3/m3, NiMo/Al2O3Or CoMo/Al2O3The hydrogen obtained with pressure-variable adsorption under catalysts conditions carries out hydrogenation essence
System, obtains the gasoline of 58-65wt% after refining, the diesel oil of 16-20wt%, the liquefied petroleum gas of 8-12wt% and part are extraordinary
Wax；
(3) acid-bearing wastewater of condensation generation is sent to wastewater treatment operation and is processed.
2. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that raw described in step (1)
Material is agriculture and forestry organic waste material.
3. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that solid described in step (1)
The gasification operation condition of fixed bed pressurized-gasification furnace is：
The mixed gas that the composition of gasifying agent is oxygen, steam and carbon dioxide are constituted, steam：Oxygen：The ratio of carbon dioxide
In 2.0-9.0kg：Nm3：0-6.0Nm3, vapor pressure between 1.2MPa-6.0MPa, gasification temperature 750-1050 degree.
4. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that split described in step (1)
The temperature for solving device combustion chamber is higher than 1300 degree, and in 0.8-5.6MPa, oxygen is 1 according to volume ratio with coal gas to pressure:6.0-10.0
Ratio by burner mix after cracker is entered with the speed of 60m/s-70m/s.
5. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that net described in step (1)
The porous media for changing device 3 is catalyst, activated carbon, coke or fire resistant filter material.
6. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that go out described in step (1)
Dust content reaches below 5mg in the raw gas of clarifier, and the pressure of saturated vapor is 0.6-5.0MPa.
7. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that step (2) purifies work
Sequence uses low-temp methanol washing process, makes after purification H in coal gas2The content of S is less than 0.03mg/m3Hereinafter, CO2Content 1% with
Under, do not contain Cl-And Br-And Pb, Sn and Bi impurity.
8. the method that a kind of gasification of biomass as claimed in claim 1 produces gasoline, it is characterised in that step (2) purifies work
H in purified gas after sequence purification2The ratio of/CO is between 1.3-1.6.
9. the method that a kind of gasification of biomass as claimed in claim produces gasoline, it is characterised in that iron-based is urged in step (3)
Agent is fused iron catalyst.
10. the method that a kind of gasification of biomass as claimed in claim produces gasoline, it is characterised in that transformation in step (3)
Adsorption temp is 35-40 DEG C, and absorption inlet pressure is 1.8-5.4MPa, outlet pressure 1.65-5.05MPa.
11. integral type oil gas crack clarifier, and it includes burner (1), cracker (2) and clarifier (3), it is characterised in that burner
(1), cracker (2) and clarifier (3) coupling is integrated, and the top of cracker (2) connects burner (1), cracker (2) and purification
Device (3) is connected as one by housing (13), and top is cracker (2), and bottom is clarifier (3).
12. integral type oil gas cracking clarifiers as claimed in claim 11, it is characterised in that the burner (1) is provided with combustion gas
Import (4), oxygen inlet (5), cooling water inlet, coolant outlet and igniting check device (8), from inside to outside, from top to bottom
Blast tube, the first cooling-water duct, oxygen channel and the second cooling-water duct are disposed with, blast tube has fuel gas inlet
(4), the first cooling-water duct has the first cooling water inlet (6-1), and the first coolant outlet (7-1), oxygen channel has oxygen to enter
Mouth (5), the second cooling-water duct has the second cooling water inlet (6-2), and the second coolant outlet (7-2) has in blast tube
Igniting check device (8), the firing tip of igniting check device (8) is located at combustion gas and oxygen mix.
13. a kind of integral type oil gas cracking clarifiers as claimed in claim 11, it is characterised in that the cracker (2) includes
Housing (13) and thermal insulating warm-keeping layer (9), housing (13) inwall have thermal insulating warm-keeping layer (9), and the bottom of housing (13) is pyramidal structure,
Inner chamber is combustion chamber, and bottom uses throat structure.
A kind of 14. coal gas for dust-laden, oil as claimed in claim 11 crack clarifier, it is characterised in that the clarifier
(3) it is to include housing (13) and double-deck water leg (10), double-deck water leg (10) upper surface is oblique with thermal insulating warm-keeping layer (9) taper
Face is parallel, and constitutes Porous Channel (11), there is porous media import (16) on Porous Channel (11), in Double-layer water folder
There is water leg straight section (12) set (10) upper end downwards, and water leg straight section (12) forms purified gas passage, coal gas with housing (13)
Positioned at purified gas channel roof, there are waste gate (15), the bottom of double-deck water leg (10) in housing (13) bottom for outlet (14)
There is water leg admission port (17), steam (vapor) outlet (18) is arranged at top.
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| CN115701449A (en) * | 2021-08-02 | 2023-02-10 | 中国石油天然气股份有限公司 | Liquefied petroleum gas production system meeting copper sheet corrosion requirements |
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