CN209260016U - A kind of bio oil is total to the device of catalytic cracking with hydrogen supply dissolvent - Google Patents

A kind of bio oil is total to the device of catalytic cracking with hydrogen supply dissolvent Download PDF

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Publication number
CN209260016U
CN209260016U CN201821765942.9U CN201821765942U CN209260016U CN 209260016 U CN209260016 U CN 209260016U CN 201821765942 U CN201821765942 U CN 201821765942U CN 209260016 U CN209260016 U CN 209260016U
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catalytic cracking
cracking furnace
gas
bottle
pipeline
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CN201821765942.9U
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Inventor
陈冠益
刘彬
马文超
李湘萍
张瑞雪
颜蓓蓓
程占军
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Tianjin University Marine Technology Research Institute
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Tianjin University Marine Technology Research Institute
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/20Technologies relating to oil refining and petrochemical industry using bio-feedstock

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Abstract

A kind of bio oil is total to the device of catalytic cracking, including catalytic cracking furnace with hydrogen supply dissolvent, and middle part is provided with catalyst bed partition in furnace, and middle and upper part is provided with gas distribution grid;Bio oil storage bottle is connected by pipeline and the second pump, into reactant hybrid bottle;Hydrogen supply dissolvent storage bottle is connected by pipeline and third pump, into reactant hybrid bottle;Reactant hybrid bottle is connect by pipeline with the first pump, the second preheater, into catalytic cracking furnace;Carrier gas bottle is successively connect with pressure reducing valve, the first shut-off valve, counterbalance valve, gas mass flow meter, the first preheater by pipeline, into catalytic cracking furnace;Catalytic cracking furnace bottom is connect by pipeline with gas-liquid separator;Gas-liquid separator is connect with liquid product collection bottle;Fluid collection vials are successively connect with the second shut-off valve, third shut-off valve, gas sampler and storage cylinder by pipeline;The device can be used for all bio oils and hydrogen supply dissolvent, extremely strong to adaptability to raw material.

Description

A kind of bio oil is total to the device of catalytic cracking with hydrogen supply dissolvent
Technical field
The utility model relates to bioenergy technical fields, urge altogether more particularly, to a kind of bio oil with hydrogen supply dissolvent Change the device of cracking.
Background technique
Biomass energy is the key areas of new energy research, distribution the most extensively and basic not environment such as climate It influences.Root in the used energy of the mankind, will have 50% to come from biomass energy it was predicted that the year two thousand fifty.The utilization skill of biomass Art is extensive, and pyrolytic technique is the usual way of biomass thermal chemical conversion technology, with reaction condition mild, equipment requirement compared with Low advantage can get the bio-fuels such as pyrolytic carbon, bio oil and pyrolysis gas by controlling biomass pyrolytic condition.
The direct pyrolysis bio-oils inferior quality of biomass, is usually expressed as that moisture content height, high oxygen content, calorific value be low, viscosity Greatly, acid big etc.;Therefore, it needs to carry out quality-improving processing to fast pyrogenation bio oil in actual application.Bio oil The main method of quality-improving includes the chemical methodes such as physical methods and catalytic hydrogenation, catalytic cracking such as emulsification, distillation.Physics side Method only separates complicated bio-oil components, is not changed to its particular components, it is poor to obtain through refining ability.Bio oil H/Ceff(effective hydrogen-carbon ratio, H/Ceff =(H 2O)/C) lower, the H/C of biomass or crude bio oileffGenerally 0 ~ 0.5, And the H/C of petroleumeffGenerally 1.0 ~ 2.0;Therefore there are still deficiencies for the independent catalytic cracking purification of bio oil, in bio oil H/C is added in producteffHigher solvent can further improve its quality as the hydrogen donor of bio oil catalytic cracking.Naphthane, Dihydroanthracene, ethyl alcohol, isopropanol etc. are a kind of H/CeffHigher substance is the preferred hydrogen supply dissolvent of bio oil catalytic cracking.
The device for being total to catalytic cracking with hydrogen supply dissolvent about bio oil at present is rarely reported, therefore is designed a kind of broad spectrum activity and answered It makes good use of, is easy to operate, the total catalytic cracking unit with continuity and easy amplification production, being used for bio oil effectively refining, be Realize that bio oil moves towards high-valued the only way which must be passed utilized with scale, demand is very urgent.
Utility model content
For the rare of present apparatus, the utility model provides a kind of bio oil and hydrogen supply dissolvent is total to the dress of catalytic cracking It sets, the device is applied widely, and it is easy to operate, it is pollution-free.
A kind of bio oil is total to the device of catalytic cracking, including catalytic cracking furnace (10) with hydrogen supply dissolvent, passes through catalytic cracking Furnace controller (8) controls catalytic cracking furnace (10) temperature parameter, thermocouple (11) real-time monitoring catalytic cracking furnace (10) interior temperature; Middle part is provided with catalyst bed partition (9) in catalytic cracking furnace (10), and (10) middle and upper part is provided in catalytic cracking furnace Gas distribution grid (7);Bio oil storage bottle (24) is connect by pipeline with the second pump (23), into reactant hybrid bottle (21); Hydrogen supply dissolvent storage bottle (26) is connect by pipeline with third pump (25), into reactant hybrid bottle (21);Reactant passes through magnetic Power blender (22) is mixed;Reactant hybrid bottle (21) is connect by pipeline with the first pump (20), the second preheater (19), Into catalytic cracking furnace (10);Carrier gas bottle (1) by pipeline successively with pressure reducing valve (2), the first shut-off valve (3), counterbalance valve (4), Gas mass flow meter (5), the first preheater (6) connection, into catalytic cracking furnace (10);Catalytic cracking furnace (10) bottom passes through Pipeline is connect with gas-liquid separator (13), in the pipeline external surface setting that catalytic cracking furnace (10) is connect with gas-liquid separator (13) There are heating jacket (12);Gas-liquid separator (13) is flexibly connected with liquid product collection bottle (14);Liquid product collection bottle (14) It is successively connect with the second shut-off valve (15), third shut-off valve (16), gas sampler (17) and storage cylinder (18) by pipeline.
The method that bio oil and hydrogen supply dissolvent are total to catalytic cracking, includes the following steps:
(1) device of catalytic cracking is total to using bio oil and hydrogen supply dissolvent;Catalysis is placed on catalyst bed partition 9 Agent;Third shut-off valve 16 is closed, the second shut-off valve 15 is opened;The temperature for adjusting the first preheater 6 is 200 ~ 300 DEG C;Pass through It is 400 ~ 600 DEG C that catalytic cracking furnace controller 8, which adjusts the temperature in catalytic cracking furnace 10,;The temperature for adjusting the second preheater 19 is 200~300℃;The temperature for adjusting heating jacket 12 is 200 ~ 300 DEG C;The temperature for adjusting gas-liquid separator 13 is -10 ~ 0 DEG C;
(2) pressure reducing valve 2, the first shut-off valve 3 are opened, counterbalance valve 4 makes the carrier gas of carrier gas bottle 1 by gas mass flow meter 5 Flow velocity enters purging in catalytic cracking furnace 10 by the first preheater 6 with the gas velocity of 200 ~ 1000ml/min, drains catalytic cracking Air in furnace 10;
(3) flow rate of carrier gas is reduced to 50-400ml/min, opens simultaneously the second pump 23 and third pump 25, is pumped by adjusting Flow makes the H/C of the reactant mixed liquor in reactant hybrid bottle 21effTo 0.9 ~ 2.0;Magnetic stirring apparatus 20 is opened, will be reacted Reactant in object hybrid bottle 21 is uniformly mixed;The first pump 20 is opened, makes reactant mixed liquor with the flow velocity of 0.1 ~ 10ml/min It is steam by the gasification of the second preheater 19, is full of steam uniformly by the gas distribution grid 7 in catalytic cracking furnace 10 Catalytic cracking furnace 10;The second shut-off valve 15 is closed, third shut-off valve 16 is opened simultaneously.
Hydrogen supply dissolvent is preferably the effectively higher (H/C of hydrogen-carbon ratio such as naphthane, dihydroanthracene, ethyl alcohol, isopropanoleff >=0.8) Compound.
Catalyst is preferably microporous molecular sieve catalyst, mesoporous molecular sieve catalyst, microporous-mesoporous composite molecular sieve catalysis Agent, metal modified molecular screen catalyst and metal-modified C base catalyst.Modified metal is nickel metal, molybdenum, ce metal, platinum Metal, ruthenium metal, palladium metal etc., metallic element load capacity and catalyst quality ratio are 0.5% ~ 20%.Metal is aoxidized through hydrogen For catalytic cracking reaction altogether after object reduction, reduction temperature is 550 DEG C, recovery time 1h.
Carrier gas is preferably >=99.995% nitrogen, >=99.995% argon gas or >=99.995% helium.
A kind of bio oil is total to the device of catalytic cracking with hydrogen supply dissolvent, is applicable to life of the various biomass through pyrolysis preparation Object oil can also be crude bio oil through water removal treated pre-treat biological oil, adaptable;The device uses magnetic stirring apparatus Reactant mix outside furnace, makes reactant mixing more evenly;Equipped with catalyst bed partition, make catalyst and refined biological Oily naturally to separate, without separating to refining biological oil with catalyst, step is simple;Catalytic cracking furnace in device is using fixation Bed reactor carries out, and easy to operate, equipment requirement is low;Without pollutant emissions such as waste residue, waste water, exhaust gas.
Detailed description of the invention
Fig. 1 is the schematic device for preparing bio oil and being total to catalytic cracking with hydrogen supply dissolvent.
In figure: 1, carrier gas bottle;2, pressure reducing valve;3, the first shut-off valve;4, counterbalance valve;5, gas mass flow meter;6, first Preheater;7, gas distribution grid;8, catalytic cracking furnace controller;9, catalyst bed partition;10, catalytic cracking furnace;11, thermoelectricity It is even;12, heating jacket;13, gas-liquid separator;14, liquid product receiving flask;15, the second shut-off valve;16, third shut-off valve; 17, gas sampler;18, storage cylinder;19, the second preheater;20, the first pump;21, reactant hybrid bottle;22, magnetic agitation Device;23, the second pump;24, bio oil storage bottle;25, third pumps;26, hydrogen supply dissolvent storage bottle.
Specific embodiment
The utility model is further described with attached drawing combined with specific embodiments below.
Bio oil and hydrogen supply dissolvent are total to the device of catalytic cracking, including catalytic cracking furnace (10), pass through catalytic cracking furnace control Device (8) processed controls catalytic cracking furnace (10) temperature parameter, thermocouple (11) real-time monitoring catalytic cracking furnace (10) interior temperature;It is urging Change middle part in cracking funace (10) and be provided with catalyst bed partition (9), (10) middle and upper part is provided with gas in catalytic cracking furnace Distribution grid (7);Bio oil storage bottle (24) is connect by pipeline with the second pump (23), into reactant hybrid bottle (21);Hydrogen supply Solvent storage bottle (26) is connect by pipeline with third pump (25), into reactant hybrid bottle (21);Reactant is stirred by magnetic force Device (22) is mixed to be mixed;Reactant hybrid bottle (21) is successively connect with the first pump (20), the second preheater (19) by pipeline, Into catalytic cracking furnace (10);Carrier gas bottle (1) by pipeline successively with pressure reducing valve (2), the first shut-off valve (3), counterbalance valve (4), Gas mass flow meter (5), the first preheater (6) connection, into catalytic cracking furnace (10);Catalytic cracking furnace (10) bottom passes through Pipeline is connect with gas-liquid separator (13), in the pipeline external surface setting that catalytic cracking furnace (10) is connect with gas-liquid separator (13) There are heating jacket (12);Gas-liquid separator (13) is flexibly connected with liquid product collection bottle (14);Liquid product collection bottle (14) It is successively connect with the second shut-off valve (15), third shut-off valve (16), gas sampler (17) and storage cylinder (18) by pipeline.See Fig. 1.
Embodiment 1:
The method that bio oil and hydrogen supply dissolvent are total to catalytic cracking, includes the following steps:
(1) it is 50 that 5 g ZSM-5/MCM-41(silica alumina ratios are packed on catalyst bed partition 9) catalyst;
(2) third shut-off valve 16 is closed, opens the second shut-off valve 15;The temperature for adjusting the first preheater 6 is 200 DEG C; Adjusting the temperature in catalytic cracking furnace 10 by catalytic cracking furnace controller 8 is 450 DEG C;The temperature for adjusting the second preheater 19 is 200℃;The temperature for adjusting heating jacket 12 is 200 DEG C;The temperature for adjusting gas-liquid separator 13 is -5 DEG C;
(3) pressure reducing valve 2, the first shut-off valve 3 are opened, counterbalance valve 4 makes the carrier gas of carrier gas bottle 1 by gas mass flow meter 5 Flow velocity, which is entered in catalytic cracking furnace 10 with the gas velocity of 200ml/min by the first preheater 6, to be purged, and is drained in catalytic cracking furnace 10 Air;
(4) carrier gas (>=99.995% nitrogen) flow velocity is reduced to 80ml/min, opens simultaneously the second pump 23 and third pump 25, adjust the H/C of the reactant mixed liquor in pump discharge allotment reactant hybrid bottle 21effTo 1.35;Open magnetic stirring apparatus 20, the reactant in reactant hybrid bottle 21 is uniformly mixed;Reach bottle capacity 1/2 to reactant in reactant hybrid bottle 21 When, open first pump 20, make reactant mixed liquor with the flow velocity of 0.2ml/min by the second preheater 19 gasify for steam, Steam is set uniformly to be full of catalytic cracking furnace 10 by the gas distribution grid 7 in catalytic cracking furnace 10;The second shut-off valve 15 is closed, Open simultaneously third shut-off valve 16.
1 products therefrom yield of embodiment and product property are shown in Table 1.
Embodiment 2:
The method that bio oil and hydrogen supply dissolvent are total to catalytic cracking, includes the following steps:
(1) it is 50 that 5 g ZSM-5/MCM-41(silica alumina ratios are packed on catalyst bed partition 9) catalyst;
(2) third shut-off valve 16 is closed, opens the second shut-off valve 15;The temperature for adjusting the first preheater 6 is 250 DEG C; Adjusting the temperature in catalytic cracking furnace 10 by catalytic cracking furnace controller 8 is 550 DEG C;The temperature for adjusting the second preheater 19 is 250℃;The temperature for adjusting heating jacket 12 is 200 DEG C;The temperature for adjusting gas-liquid separator 13 is -10 DEG C;
(3) pressure reducing valve 2, the first shut-off valve 3 are opened, counterbalance valve 4 makes the carrier gas of carrier gas bottle 1 by gas mass flow meter 5 Flow velocity, which is entered in catalytic cracking furnace 10 with the gas velocity of 200ml/min by the first preheater 6, to be purged, and is drained in catalytic cracking furnace 10 Air;
(4) carrier gas (>=99.995% nitrogen) flow velocity is reduced to 80ml/min, opens simultaneously the second pump 23 and third pump 25, adjust the H/C of the reactant mixed liquor in pump discharge allotment reactant hybrid bottle 21effTo 1.35;Open magnetic stirring apparatus 20, the reactant in reactant hybrid bottle 21 is uniformly mixed;Reach bottle capacity 1/2 to reactant in reactant hybrid bottle 21 When, open first pump 20, make reactant mixed liquor with the flow velocity of 0.2 ml/min by the second preheater 19 gasify for steam, Steam is set uniformly to be full of catalytic cracking furnace 10 by the gas distribution grid 7 in catalytic cracking furnace 10;The second shut-off valve 15 is closed, Open simultaneously third shut-off valve 16.
2 products therefrom yield of embodiment and product property are shown in Table 1.
Embodiment 3:
The method that bio oil and hydrogen supply dissolvent are total to catalytic cracking, includes the following steps:
(1) it is 50 that 5 g 2%Ni-ZSM-5/MCM-41(silica alumina ratios are packed on catalyst bed partition 9) catalyst;
(2) third shut-off valve 16 is closed, opens the second shut-off valve 15;The temperature for adjusting the first preheater 6 is 200 DEG C; Adjusting the temperature in catalytic cracking furnace 10 by catalytic cracking furnace controller 8 is 500 DEG C;The temperature for adjusting the second preheater 19 is 200℃;The temperature for adjusting heating jacket 12 is 200 DEG C;The temperature for adjusting gas-liquid separator 13 is -5 DEG C;
(3) pressure reducing valve 2, the first shut-off valve 3 are opened, counterbalance valve 4 makes the carrier gas of carrier gas bottle 1 by gas mass flow meter 5 Flow velocity, which is entered in catalytic cracking furnace 10 with the gas velocity of 200ml/min by the first preheater 6, to be purged, and is drained in catalytic cracking furnace 10 Air;
(4) carrier gas (>=99.995% nitrogen) flow velocity is reduced to 80ml/min, opens simultaneously the second pump 23 and third pump 25, adjust the H/C of the reactant mixed liquor in pump discharge allotment reactant hybrid bottle 21effTo 1.35;Open magnetic stirring apparatus 20, the reactant in reactant hybrid bottle 21 is uniformly mixed;Reach bottle capacity 1/2 to reactant in reactant hybrid bottle 21 When, open first pump 20, make reactant mixed liquor with the flow velocity of 0.2ml/min by the second preheater 19 gasify for steam, Steam is set uniformly to be full of catalytic cracking furnace 10 by the gas distribution grid 7 in catalytic cracking furnace 10;The second shut-off valve 15 is closed, Open simultaneously third shut-off valve 16.
3 products therefrom yield of embodiment and product property are shown in Table 1.
The distribution of 1 catalytic cracking experimental product of table and product property
As shown in Table 1, carrying out catalytic cracking reaction using total catalytic cracking unit can be by the acids in reactant bio oil Substance largely converts.Using the same the present embodiment of other types catalyst other parameters, effect is similar to the present embodiment.

Claims (1)

1. the device that bio oil and hydrogen supply dissolvent are total to catalytic cracking, it is characterised in that: including catalytic cracking furnace (10), pass through catalysis Cracking furnace controller (8) controls catalytic cracking furnace (10) temperature parameter, and thermocouple (11) real-time monitoring catalytic cracking furnace (10) is interior Temperature;Middle part is provided with catalyst bed partition (9) in catalytic cracking furnace (10), sets in catalytic cracking furnace (10) interior middle and upper part It is equipped with gas distribution grid (7);Bio oil storage bottle (24) is connect by pipeline with the second pump (23), into reactant hybrid bottle (21);Hydrogen supply dissolvent storage bottle (26) is connect by pipeline with third pump (25), into reactant hybrid bottle (21);Reactant is logical Magnetic stirring apparatus (22) is crossed to be mixed;Reactant hybrid bottle (21) passes through pipeline and the first pump (20), the second preheater (19) Connection, into catalytic cracking furnace (10);Carrier gas bottle (1) by pipeline successively with pressure reducing valve (2), the first shut-off valve (3), counterbalance valve (4), gas mass flow meter (5), the first preheater (6) connection, into catalytic cracking furnace (10);Catalytic cracking furnace (10) bottom It is connect by pipeline with gas-liquid separator (13), in the pipeline external surface that catalytic cracking furnace (10) is connect with gas-liquid separator (13) It is provided with heating jacket (12);Gas-liquid separator (13) is flexibly connected with liquid product collection bottle (14);Liquid product collection bottle (14) successively connected with the second shut-off valve (15), third shut-off valve (16), gas sampler (17) and storage cylinder (18) by pipeline It connects.
CN201821765942.9U 2018-10-30 2018-10-30 A kind of bio oil is total to the device of catalytic cracking with hydrogen supply dissolvent Expired - Fee Related CN209260016U (en)

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