CN212833645U - Poly-generation system integrating thermal power generation, renewable energy power generation and oil refining - Google Patents
Poly-generation system integrating thermal power generation, renewable energy power generation and oil refining Download PDFInfo
- Publication number
- CN212833645U CN212833645U CN202020373647.XU CN202020373647U CN212833645U CN 212833645 U CN212833645 U CN 212833645U CN 202020373647 U CN202020373647 U CN 202020373647U CN 212833645 U CN212833645 U CN 212833645U
- Authority
- CN
- China
- Prior art keywords
- coal gas
- power generation
- tar
- renewable energy
- oil refining
- 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.)
- Expired - Fee Related
Links
- 238000007670 refining Methods 0.000 title claims abstract description 82
- 238000010248 power generation Methods 0.000 title claims abstract description 75
- 239000003034 coal gas Substances 0.000 claims abstract description 102
- 238000002309 gasification Methods 0.000 claims abstract description 66
- 238000000197 pyrolysis Methods 0.000 claims abstract description 51
- 239000003245 coal Substances 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims description 90
- 229910052739 hydrogen Inorganic materials 0.000 claims description 90
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 64
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 52
- 238000004519 manufacturing process Methods 0.000 claims description 52
- 239000001301 oxygen Substances 0.000 claims description 52
- 229910052760 oxygen Inorganic materials 0.000 claims description 52
- 238000005868 electrolysis reaction Methods 0.000 claims description 40
- 239000007789 gas Substances 0.000 claims description 40
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 36
- 238000000926 separation method Methods 0.000 claims description 31
- 239000004449 solid propellant Substances 0.000 claims description 16
- 239000012716 precipitator Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000002028 Biomass Substances 0.000 claims description 3
- 239000002802 bituminous coal Substances 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- 239000003415 peat Substances 0.000 claims description 3
- 239000002006 petroleum coke Substances 0.000 claims description 3
- -1 semicoke Substances 0.000 claims description 3
- 206010021143 Hypoxia Diseases 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000011269 tar Substances 0.000 description 66
- 239000010865 sewage Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 10
- 238000003763 carbonization Methods 0.000 description 6
- 230000003009 desulfurizing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 239000000571 coke Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012717 electrostatic precipitator Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000011287 low-temperature tar Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Abstract
In view of the fact that the construction and operation cost of a single peak shaving power station is higher than that of a common power plant, the polygeneration system integrating firepower, renewable energy power generation and oil refining adds destructive distillation tar to increase the benefit to make up for the improvement of the cost, meanwhile, the redundant semicoke is recycled and combusted to enhance the flexibility of semicoke utilization, a coal gasification and dry distillation device is arranged in the system, one part of coal gas is sent to a boiler to support combustion of a thermal power generating unit for low-load peak regulation power generation, the other part of coal gas is sent to a gas turbine to form integrated gasification combined cycle IGCC high-efficiency power generation, raw coal gas obtained by coal gasification is used for dry distillation of raw coal, not only is tar with high added value obtained, the economic benefit improved, but also particulate matters in the raw coal gas including residual carbon can be filtered, semicoke generated by dry distillation is sent to a gasification furnace or a coal-fired boiler for combustion, and the system also enhances the internet access capability of renewable energy power generation to reduce carbon emission to the atmosphere.
Description
Technical Field
The utility model relates to a polygeneration system field of comprehensive firepower and renewable energy power generation and oil refining, especially in the aspect of balancing power grid load supply and demand, can provide outstanding peak regulation performance, the fuel thereof comprises bituminous coal, brown coal, peat, coke, semicoke, petroleum coke, biomass, organic garbage, and other solid fuels containing volatile matters, the polygeneration comprehensive production system in which the fuel comprises a dry distillation gasification device, a hydrocracking oil refining device, a gas turbine power generation device, a steam turbine power generation device, a renewable energy power generation device and an electrolytic water hydrogen production device is adopted, coal gas and tar produced by the dry distillation gasification device are sent to a gas turbine for high-efficiency power generation by one part of separated coal gas, the other part is sent to a boiler for low-load peak regulation power generation of a thermal power combustion-supporting unit, the tar is sent to the hydrocracking oil refining device for producing finished oil such as gasoline, aviation kerosene, diesel oil and the, the excess electricity generated by renewable energy is used for electrolyzing water to produce hydrogen and oxygen, the hydrogen is used for hydrocracking to produce finished oil, the oxygen is used for gasifying a gasifier to produce coal gas, so that the peak shaving power generation of a thermal power plant is supported, low-price solid fuel is converted into higher-price finished oil, and coal fuel carbocoal is cleaned, so that the lower harmful gas can be discharged under the condition of consuming the same fuel, and the higher efficiency and the higher added value of products compared with the respective independent coal-fired thermal power plant, renewable energy power plant and oil refinery are obtained.
Background
In some areas with rich renewable energy resources, as the proportion of renewable energy in the power grid is higher, the thermal power plant in the power grid is required to have stronger peak regulation capability, and in view of the fact that the construction and operation cost of a single peak regulation power plant is higher than that of a common power plant, the system adds destructive distillation tar to increase the benefit to make up for the improvement of the cost, and simultaneously returns redundant semicoke to the furnace for combustion to enhance the flexibility of semicoke utilization, a coal gasification and destructive distillation device is arranged in the system, one part of coal gas is sent to a boiler to support combustion of a thermal power unit for low-load peak regulation power generation, the other part of coal gas is sent to a gas turbine to form integrated gasification combined cycle IGCC high-efficiency power generation, raw coke obtained by coal gasification is used for destructive distillation of raw coal, not only tar with high added value is obtained, economic benefit is improved, but also particulate matters in the raw coke which contains residual carbon can be filtered, and the, the system also strengthens the internet access capability of renewable energy power generation to reduce carbon emission to the atmosphere, the system is provided with a hydrogen production device by water electrolysis, a corresponding hydrogen storage tank and an oxygen storage tank, the fluctuation of the load of a power grid is slowed down by adjusting the electrolysis speed of hydrogen production and oxygen production, because the gas yield is changed, when redundant hydrogen and oxygen are produced, the redundant hydrogen and oxygen are respectively stored in the storage tanks, when the hydrogen production and oxygen production speed is too low, the produced tar and hydrogen are released and insufficient to be absorbed, a hydrocracking oil refining device is built in the system, the tar and hydrogen are used as raw materials to produce finished oil such as gasoline, aviation kerosene and diesel oil, and the oxygen is sent to a gasification furnace to increase the gasification strength, so that the semi-coke produced by dry distillation can be used for replacing coal to gasify to produce coal gas, thereby forming a coal-based fuel, and an electric power and finished oil-based output product, the internal balance poly-generation system for various intermediate products and materials.
SUMMERY OF THE UTILITY MODEL
A poly-generation system integrating thermal power and renewable energy power generation and oil refining comprises a circulating fluidized bed gasification furnace, a dry distillation tank, a tar separation device, a gas turbine, a waste heat boiler, a steam turbine, a boiler, a renewable energy power generation device, an electrolyzed water hydrogen production device, a hydrogen storage tank, an oxygen storage tank and a hydrocracking oil refining device, wherein the gasification fuel is solid fuel, the solid fuel is sent into the gasification furnace and the dry distillation tank, the gasification furnace generates hot coal gas through anoxic combustion, the hot coal gas generated by the circulating fluidized bed gasification furnace is connected to the dry distillation tank filled with the solid fuel, the dry distillation coal gas containing tar is generated and sent to the tar separation device to separate the tar from the coal gas, the coal gas at the outlet of the tar separation device is connected to the boiler or the gas turbine, simultaneously converging hot coal gas flowing out of the gasification furnace into a dry distillation tank, and sending semicoke discharged from the dry distillation tank to the gasification furnace or the boiler; or a regenerator is arranged at the semicoke outlet of the dry distillation tank, the semicoke passes through the regenerator and then is sent to the gasification furnace or the boiler, the coal gas passes through the coal gas outlet of the tar separation device and is connected to the inlet of the regenerator, after the coal gas is heated through heat exchange with the semicoke, the coal gas is connected to the boiler from the outlet of the regenerator through a coal gas pipe, simultaneously, the hot coal gas which flows out together with the gasification furnace is sent to the dry distillation tank, and the coal gas which flows out from the dry distillation tank is sent to the tar separation device.
The coal gas flowing out of the retort is sent to a tar separation device, the tar obtained by separation is sent to a hydrocracking oil refining device, and meanwhile, the renewable energy power generation device of the system is connected with a water electrolysis hydrogen production device, and the electrolyzed hydrogen and oxygen are connected to the hydrocracking oil refining device for producing finished oil.
In the poly-generation system integrating thermal power, renewable energy power generation and oil refining, the gasification raw material used by the retort is solid fuel, which comprises any one of bituminous coal, lignite, peat, semicoke, petroleum coke, biomass, waste rubber and waste plastic.
In the polygeneration system integrating firepower and renewable energy power generation and oil refining, a heat carrier for heating coal gas by a heat regenerator is accessed from an external heat source, the coal gas flowing out of a dry distillation tank is connected to the heat regenerator through a tar separation device, and after the heat carrier and the coal gas flowing out of a gasification furnace are subjected to heat exchange and temperature rise, the coal gas flowing out of the heat regenerator and the coal gas flowing out of the gasification furnace are connected to the dry distillation tank together.
According to the poly-generation system integrating firepower, renewable energy power generation and oil refining, the coal gas outlet of the retort is connected with the electrostatic dust collector and then connected with the tar separation device, and on the basis that most of ash in coal gas is filtered out of the coal bed of the retort, impurities in the coal gas are further reduced, and the coal gas is purified.
The poly-generation system integrating firepower, renewable energy power generation and oil refining is characterized in that a hydrogen storage tank is connected to a connecting pipeline of a water electrolysis hydrogen production device and a hydrocracking oil production device, and the hydrogen storage tank is used for stabilizing air pressure when the hydrogen production rate through electrolysis changes.
The poly-generation system integrating firepower, renewable energy power generation and oil refining is characterized in that an oxygen storage tank is connected to a pipeline connecting the water electrolysis hydrogen production device to the gasification furnace, and the oxygen storage tank is used for stabilizing air pressure when the oxygen production rate is changed through electrolysis.
The poly-generation system integrating firepower and renewable energy power generation and oil refining is characterized in that hydrogen generated by the water electrolysis hydrogen production device and hydrogen generated by an external hydrogen production device are connected to the hydrocracking oil refining device together for product oil production, so that the material balance of the hydrocracking oil refining device is facilitated.
In the polygeneration system integrating thermal power and renewable energy power generation and oil refining, oxygen electrolyzed by the water electrolysis hydrogen production device is connected with the gasification furnace through a pipeline to supply oxygen to produce coal gas, or is connected with an air outlet pipeline of a blower to mix oxygen-enriched air to supply the air to the gasification furnace to produce the coal gas, and the carbon conversion rate and the coal gas heat value are improved in a mode of increasing the oxygen concentration of a gasification agent.
The combined heat and renewable energy power generation and oil refining poly-generation system is characterized in that a tar separation device of the combined heat and renewable energy power generation and oil refining poly-generation system consists of equipment including a water washing tower, an electric tar precipitator and an oil/water separator, a mixed gas outlet of a retort is connected with an inlet of the water washing tower, a gas outlet of the water washing tower is connected with an inlet of the electric tar precipitator, an oil/water mixed solution of the water washing tower is connected to the oil/water separator from a liquid outlet, and tar flowing out of the electric tar precipitator and the oil/water separator is sent to a hydrocracking oil refining device.
Advantageous effects
The utility model discloses with whole coal gasification power generation (IGCC), coal fired boiler electricity generation, tar and product oil production, the electric wire netting peak load balancing, renewable energy power generation and hydrolysis hydrogen manufacturing combine together, not only the generating efficiency is higher, the electric wire netting is more stable, carbon emission is lower, can also produce the product oil of high added value, the comprehensive system that makes adoption this process flow is higher than the economic benefits of the thermal power factory, renewable energy power factory and the oil refinery of establishhing alone.
Drawings
FIG. 1A poly-generation system for generating power and refining oil by comprehensive thermal power and renewable energy sources, which comprises a circulating fluidized bed gasifier 1, a dry distillation tank 2, a tar separation device 23, a heat regenerator 5, a desulfurizing tower 7, a gas compressor 8, a steam turbine 9, a waste heat boiler 10, a gas fan 12, a power turbine 13, a gas turbine 14, a sewage treatment tank 15, a boiler 16, a renewable energy power generation device 17, an electrolyzed water hydrogen production device 18 and a hydrocracking oil refining device 21, wherein the gasified fuel is solid fuel, the solid fuel is fed into the gasifier 1 and the dry distillation tank 2, the gasifier 1 generates hot gas through anoxic combustion, the gas discharged from the hot gas and the tar separation device 23 is connected to the dry distillation tank 2 filled with the solid fuel, the dry distillation containing tar is produced, the gas is fed to the inlet of the tar separation device 23, the gas at the outlet of the tar separation device 23 is purified by the desulfurizing tower 7 and then connected to the boiler 16 or is pressurized by the gas compressor 8 and, high-temperature flue gas discharged by a gas turbine 14 is connected to a waste heat boiler 10, produced steam is connected with a steam turbine 9 and simultaneously merged with hot coal gas at the outlet of a gasification furnace 1 to enter a dry distillation tank 2, or is firstly connected with a heat regenerator 5, heated and then merged with hot coal gas at the outlet of the gasification furnace 1 to be connected to the dry distillation tank 2, semicoke discharged from the dry distillation tank 2 is sent to the gasification furnace 1 or a boiler 16, or is sent to the gasification furnace 1 or the boiler 16 after heat exchange and temperature reduction through the heat regenerator 5, coal gas discharged from a desulfurization tower 7 is pressurized and connected to the inlet of the heat regenerator 5 through a fan 12 driven by a steam turbine 13, then is connected to the boiler 16 through a coal gas pipe from the outlet of the heat regenerator 5, sewage separated by a tar separation device 23 enters a sewage treatment tank 15, concentrated sewage obtained after treatment is merged with oxygen to be sprayed into.
Fig. 2 the poly-generation system of comprehensive firepower and renewable energy power generation and oil refining, its tar that 23 separator isolate send to hydrocracking oil refining device 21, this system is equipped with renewable energy power generation facility 17 simultaneously, it is qualified for the next round of competitions and has been linked electrolysis water hydrogen plant 18, the hydrogen and the oxygen of electrolysis play, hydrogen connects the schematic diagram that hydrocracking oil refining device 21 is used for the production of finished product oil.
FIG. 3 the poly-generation system of comprehensive firepower and renewable energy power generation and oil refining, its 2 semicoke exports and connects to 1 entry of gasifier in the retort, passes through transfer passage input gasifier 1 with the semicoke that distills from the system and is used for the sketch map of gasification raw materials.
Fig. 4 the utility model discloses a polygeneration system who synthesizes firepower and renewable energy power generation and oil refining, its the heat carrier of regenerator 5 heating coal gas insert from outside heat source, retort 2 export coal gas connects to regenerator 5 through tar separator 23, after carrying out the heat exchange with the heat carrier and rising temperature, connects to retort 2 with regenerator 5 export coal gas and gasifier 1 export coal gas together again.
Fig. 5 the utility model discloses a polygeneration system of comprehensive firepower and renewable energy power generation and oil refining, its 2 coal gas outlets of retort connect electrostatic precipitator 22, insert tar separator 23 again, on the basis of partial ash content in the coal gas has been filtered in 2 coal seams of retort, particulate matter impurity in the coal gas has further been reduced with electrostatic precipitator and the schematic diagram that the coal gas has been purified to the liquid drop of remaining.
Fig. 6 shows a poly-generation system for generating power and refining oil from comprehensive thermal power and renewable energy, wherein the hydrogen production device 18 for electrolyzing water is connected to the connecting pipeline of the hydrocracking oil production device 21 and connected to a hydrogen storage tank 20, so as to play a role in stabilizing air pressure when the hydrogen production rate is changed.
Fig. 7 the utility model discloses a polygeneration system of comprehensive firepower and renewable energy power generation and oil refining, its electrolysis water hydrogen plant 18 connect to and connect to the pipeline of gasifier 1 and have connect oxygen holding vessel 19 for when the electrolysis system oxygen rate changes, play the schematic diagram of the effect of stable atmospheric pressure.
Fig. 8 the poly-generation system of comprehensive firepower and renewable energy power generation and oil refining, its hydrogen that electrolysis water hydrogen plant 18 electrolysis goes out and produced hydrogen of outside hydrogen plant connect to hydrocracking oil refining plant 21 together and be used for the production of finished oil to do benefit to the material balance's of hydrocracking oil refining plant 21 schematic diagram.
FIG. 9 is a schematic diagram of a gas heat value of a gasification furnace 1 blowing oxygen electrolyzed by the water electrolysis hydrogen production device 18 or oxygen-enriched air mixed with air blown out by the gasification blower 11 to blow air to improve carbon conversion rate and output in a mode of increasing oxygen concentration of a gasification agent.
Fig. 10 a poly-generation system for generating power by comprehensive firepower and renewable energy and refining oil, wherein the tar separator 23 is composed of devices including a washing tower 3, an electric tar precipitator 4 and an oil/water separator 6, the mixed gas outlet of the retort 2 is connected with the inlet of the washing tower 3, the gas outlet of the washing tower 3 is connected with the inlet of the electric tar precipitator 4, meanwhile, the oil/water mixed liquid of the washing tower 3 is connected with the oil/water separator 6 from the liquid outlet, the sewage separated from the oil/water separator 6 enters a sewage treatment tank 15, and the separated tar and the tar captured by the electric tar precipitator 4 are sent to the hydrocracking refining device 21 together.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Note that:
the 'dry distillation tank' refers to a gas heat carrier internal heating type dry distillation tank, and is a container for generating coal gas by dry distillation of solid fuel by using hot gas;
the heat regenerator is a heat exchanger for heating coal gas, and the heat source of the heat exchanger can heat the coal gas by the hot semicoke distilled out or heat the coal gas by a heat carrier input from a heat source other than a retort;
the "water electrolysis hydrogen production apparatus" refers to an electrolysis apparatus capable of decomposing hydrogen and oxygen by inserting electrodes into purified water, and is called a hydrogen production apparatus, but also produces oxygen.
A cogeneration system integrating thermal and renewable power generation and oil refining as illustrated in fig. 1:
the utility model discloses a polygeneration system of comprehensive firepower and renewable energy power generation and oil refining, it includes gasifier 1, retort 2, tar separator 23, regenerator 5, desulfurizing tower 7, gas compressor 8, steam turbine 9, exhaust-heat boiler 10, coal gas fan 12, power turbine 13, gas turbine 14, sewage treatment pond 15, boiler 16, renewable energy power generation facility 17, electrolytic water hydrogen plant 18, and hydrocracking oil refining device 21, the gasification fuel is solid fuel, solid fuel is sent into gasifier 1 and retort 2, gasifier 1 has produced hot coal gas through the oxygen deficiency burning, connect hot coal gas to retort 2 that is equipped with solid fuel, utilize the sensible heat of gasifier coal gas to produce the dry distillation coal gas that contains tar, send to tar separator 23 entry, with coal gas, water and tar separation, the pipeline for the coal gas of tar separator 23 export is connected to boiler 16 after desulfurizing tower 7 purifies combustion-supporting, or the high-temperature flue gas discharged by the gas turbine 14 is connected to a waste heat boiler 10 to generate steam, and the generated steam is connected to a steam turbine 9, and simultaneously is converged into hot gas at the outlet of the gasification furnace 1 to reduce the temperature to the temperature required by low-temperature carbonization, and then is carbonized into low-temperature tar in a carbonization tank 2, or is firstly connected with a heat regenerator 5 to heat the gas and then is converged with hot gas at the outlet of the gasification furnace 1 to be connected to the carbonization tank 2, so that the waste heat of the semicoke is recovered, the total heat of the carbonization gas is increased, more tar and gas are generated, in addition, the gas discharged by the gasification furnace 1 carries higher coal-containing dust, the semicoke is filtered in the carbonization tank 2 to avoid being brought into a tar separation device 23, the cleanliness of the tar is improved, and the semicoke discharged by the carbonization tank 2 is sent to a boiler 16 or is sent to the gasification furnace 1 or the boiler 16 after being subjected to heat exchange, coal gas from a desulfurizing tower 7 is pressurized to an inlet of a heat regenerator 5 through a fan 12 driven by a steam turbine 13, and is heated through heat exchange with semicoke, and then is connected to a boiler 16 through a coal gas pipe from an outlet of the heat regenerator 5 to form combined cycle high-efficiency power generation, sewage separated by a tar separation device 23 enters a sewage treatment tank 15, and concentrated sewage obtained after treatment is sprayed into a gasification furnace 1 together with oxygen, so that the sewage degradation process is simplified, and purified water is discharged for reuse.
In the polygeneration system combining thermal power and renewable energy power generation and oil refining as shown in fig. 2, the tar separated by the tar separation device 23:
the utility model discloses the polygeneration system of synthesizing firepower and renewable energy power generation and oil refining that shows, its tar separator 23 tar of separating send to hydrocracking oil refining plant 21, this system is equipped with renewable energy power generation facility 17 simultaneously, it is qualified for the next round of competitions and has linked electrolytic water hydrogen plant 18, hydrogen and oxygen that the mode electrolysis that discharges with no carbon goes out, hydrogen connects to hydrocracking oil refining plant 21 and is used for the production of finished product oil, output finished product oil on the basis that does not increase carbon and discharges.
As shown in fig. 3, in the poly-generation system integrating thermal power and renewable energy power generation and oil refining, the semicoke outlet of the retort 2 is connected to the inlet of the gasification furnace 1:
the utility model discloses the polygeneration system of comprehensive firepower and renewable energy power generation and oil refining that shows, its 2 semicoke exports and connects to 1 entry of gasifier, cooperate with it and pass through transfer passage input gasifier 1 with the semicoke that the system goes through the dry distillation in the system and be used for the gasification raw materials, the oxygen content in the gasification agent air of gasifier 1 will increase like this, can directly gasify the extremely low semicoke of volatile matter content, so that leave more coal and come the dry distillation tar, thereby obtain higher economic benefits, the coal gas calorific value also can be higher simultaneously, this is favorable to further improving gas turbine 14's generating efficiency.
In the poly-generation system combining thermal power and renewable energy power generation and oil refining as shown in fig. 4, the heat carrier of the regenerator 5 for heating the gas comes from an external heat source:
the utility model discloses the polygeneration system of synthesizing firepower and renewable energy power generation and oil refining that shows, its the heat carrier of 5 heating coal gas of regenerator insert from outside heat source, 2 export coal gas of dry distillation jar connect to regenerator 5 through tar separator 23, after carrying out the heat exchange with the heat carrier and heaing up, connect 5 export coal gas of regenerator and 1 export coal gas of gasifier to dry distillation jar 2 together again, can utilize outside heat source to increase the coal gas heat of dry distillation like this to the handling capacity of dry distillation coal has been increased.
As shown in fig. 5, in the poly-generation system integrating thermal power, renewable energy power generation and oil refining, the gas outlet of the retort 2 is connected with an electrostatic dust collector 22:
the utility model discloses the polygeneration system of comprehensive firepower and renewable energy power generation and oil refining that shows, its 2 coal gas outlets of retort connect electrostatic precipitator 22, on 2 coal seam filters of retort have the basis of part ash content in the coal gas, the particulate matter impurity in the further reduction coal gas has purified coal gas, inserts tar separator 23 again to alleviate tar separator 23's ash removal burden, can obtain purer tar.
As shown in fig. 6, in the poly-generation system combining thermal power and renewable energy power generation and oil refining, a hydrogen storage tank 20 is connected to a connecting pipeline connecting the hydrogen production device 18 to the hydrocracking oil production device 21:
the utility model discloses the polygeneration system who synthesizes firepower and renewable energy power generation and oil refining that shows, its electrolysis water hydrogen plant 18 connect to and connect hydrogen holding vessel 20 on hydrocracking oil production device 21's the connecting pipeline, when being used for electrolysis hydrogen production speed to change, play the effect of stabilizing atmospheric pressure, when the electric quantity is surplus in the electric wire netting, electrolysis water hydrogen plant 18 just accelerates hydrogen manufacturing, and store hydrogen holding vessel 20 with unnecessary hydrogen, consumed unnecessary electric quantity in the electric wire netting, when the electric quantity is short of in the electric wire netting, electrolysis water hydrogen plant 18 just slows down hydrogen manufacturing, the consumption that reduces the electric quantity maintains the balance of electric wire netting, and put out appropriate amount hydrogen in the hydrogen holding vessel 20, maintain the continuity of hydrocracking device 21 flow.
As shown in fig. 7, in the poly-generation system combining thermal power and renewable energy power generation and oil refining, the pipeline connecting the hydrogen production device by water electrolysis 18 to the gasification furnace is connected with an oxygen storage tank 19:
the utility model discloses the polygeneration system who synthesizes firepower and renewable energy power generation and oil refining that shows, its electrolysis water hydrogen plant 18 connect to and connect oxygen holding vessel 19 on gasifier 1's the pipeline, when being used for electrolysis oxygen generation speed change, play the effect of stabilizing atmospheric pressure, when electric quantity is abundant in the electric wire netting, electrolysis water hydrogen plant 18 just accelerates the system oxygen, and store oxygen holding vessel 19 with unnecessary oxygen, consumed unnecessary electric quantity in the electric wire netting, when electric quantity is short in the electric wire netting, electrolysis water hydrogen plant 18 just slows down the system oxygen, the consumption that reduces the electric quantity maintains the balance of electric wire netting, and put out appropriate amount of oxygen from oxygen holding vessel 19, maintain the stability of gasifier 1's gasification flow.
As shown in fig. 8, in the poly-generation system combining thermal power and renewable energy power generation and oil refining, hydrogen generated by the hydrogen production device 18 by water electrolysis is connected to the hydrocracking oil refining device 21 together with hydrogen generated by an external hydrogen production device:
the utility model discloses the polygeneration system of comprehensive firepower and renewable energy power generation and oil refining that shows, its hydrogen that electrolytic water hydrogen plant 18 electrolysis goes out and outside hydrogen plant produced hydrogen connect to hydrocracking oil refining plant 21 together jointly and be used for the production of finished product oil, only be insufficient for the demand that satisfies hydrocracking oil refining plant 21 production load by the electric quantity that renewable energy sent in some times, then through inserting outside hydrogen plant produced hydrogen, supply hydrogen to hydrocracking oil refining plant 21 jointly and reach the material balance of finished product oil production.
In the polygeneration system combining thermal power and renewable energy power generation and oil refining as shown in fig. 9, the oxygen electrolyzed by the electrolyzed water hydrogen production device 18 is mixed with the air blown by the gasification blower 11 to form oxygen-enriched air to blow to the gasification furnace 1:
the utility model discloses the polygeneration system of comprehensive firepower and renewable energy power generation and oil refining that shows, its the oxygen of electrolysis water hydrogen plant 18 electrolysis and the air mixing who gasifies 11 blooms of air-blower become oxygen-enriched air and give gasifier 1 air blast for the increase is oxygen concentration in the air as the gasification agent, thereby even adopt semicoke or the coal semicoke mixture that the volatile matter content is minimum to be gasification raw materials, can obtain higher carbon conversion rate and coal gas calorific value, can also keep higher carbon conversion rate through the proportion that improves the coal under the condition that the oxygen volume reduces.
In the polygeneration system combining thermal power and renewable energy power generation and oil refining as shown in fig. 10, the tar separation device 23 is composed of equipment including a water washing tower 3, an electrical tar precipitator 4 and an oil/water separator 6:
the utility model discloses the polygeneration system of comprehensive firepower and renewable energy power generation and oil refining that shows, its tar separator 23 constitute by the equipment including wash tower 3, electrical tar precipitator 4 and oil/water separating centrifuge 6, the mixed coal gas export of retort 2 connects the 3 entrys of wash tower, this has not only washd coal gas, still separate out tar from coal gas through the water shower chilling, wherein send to desulfurizing tower 7 after coal gas inserts electrical tar precipitator 4 further desorption tar, and the mixed liquid of water and tar subsides to the bottom of the tower, discharge oil/water separating centrifuge 6 through the liquid outlet, the rivers of separation are to effluent sump 15, the tar that the tar of separation and electrical tar precipitator 4 capture send to hydrocracking oil refining device 21 together.
Claims (10)
1. Synthesize firepower and renewable energy power generation and oil refining's polygeneration system, it includes circulating fluidized bed gasifier, retort, tar separator, gas turbine, exhaust-heat boiler, steam turbine, boiler, renewable energy power generation facility, electrolysis water hydrogen plant, hydrogen holding vessel, oxygen holding vessel and hydrocracking oil refining device, the gasification fuel is solid class fuel, and the gasification furnace and retort are sent into to solid fuel, and the gasification furnace has produced hot coal gas through the oxygen deficiency burning, its characterized in that: connecting hot coal gas produced by a circulating fluidized bed gasification furnace to a dry distillation tank filled with solid fuel, producing dry distillation coal gas containing tar, sending the dry distillation coal gas to a tar separation device to separate the tar from the coal gas, connecting the coal gas flowing out of the tar separation device to a boiler or a gas turbine by using a pipeline, simultaneously converging the hot coal gas flowing out of the gasification furnace into the dry distillation tank, and sending semicoke discharged from the dry distillation tank to the gasification furnace or the boiler; or a regenerator is arranged at the semicoke outlet of the dry distillation tank, the semicoke passes through the regenerator and then is sent to the gasification furnace or the boiler, the coal gas passes through the coal gas outlet of the tar separation device and is connected to the inlet of the regenerator, after the coal gas is heated through heat exchange with the semicoke, the coal gas is connected to the boiler from the outlet of the regenerator through a coal gas pipe, simultaneously, the hot coal gas which flows out together with the gasification furnace is sent to the dry distillation tank, and the coal gas which flows out from the dry distillation tank is sent to the tar separation device.
2. The integrated thermal and renewable energy power generation and oil refining polygeneration system of claim 1, wherein: the tar obtained by the separation of the tar separation device is sent to a hydrocracking oil refining device, and meanwhile, the renewable energy power generation device of the system is connected with a water electrolysis hydrogen production device besides a power grid, and hydrogen and oxygen generated by electrolysis are connected to the hydrocracking oil refining device for producing finished oil.
3. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the gasification raw material used by the retort is solid fuel, which comprises any one of bituminous coal, lignite, peat, semicoke, petroleum coke, biomass, waste rubber and waste plastic.
4. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the heat carrier of the heat regenerator for heating the coal gas is accessed from an external heat source, the coal gas flowing out of the dry distillation tank is connected to the heat regenerator through the tar separation device, and after the heat carrier and the coal gas flowing out of the gasification furnace are subjected to heat exchange and temperature rise, the coal gas flowing out of the heat regenerator and the coal gas flowing out of the gasification furnace are connected to the dry distillation tank together.
5. The integrated thermal and renewable energy power generation and oil refining polygeneration system of claim 1, wherein: the coal gas outlet of the dry distillation tank is connected with the electrostatic dust collector and then connected with the tar separation device, so that on the basis that most of ash in the coal gas is filtered out of the coal bed of the dry distillation tank, impurities in the coal gas are further reduced, and the coal gas is purified.
6. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the connecting pipeline of the water electrolysis hydrogen production device connected to the hydrocracking oil production device is connected with a hydrogen storage tank, and the hydrogen storage tank is used for stabilizing the air pressure when the hydrogen production rate is changed.
7. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the pipeline of the water electrolysis hydrogen production device connected to the gasification furnace is connected with an oxygen storage tank for oxygen production by electrolysis
When the speed changes, the air pressure is stabilized.
8. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the hydrogen produced by the water electrolysis hydrogen production device and the hydrogen produced by the external hydrogen production device are connected to the hydrocracking oil refining device together for producing the finished oil, so that the material balance of the hydrocracking oil refining device is facilitated.
9. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the oxygen electrolyzed by the water electrolysis hydrogen production device is connected with the gasification furnace by a pipeline to supply oxygen to produce coal gas, or is connected with an air outlet pipeline of the blower to mix oxygen-enriched air to supply the gasification furnace with air to produce coal gas, and the carbon conversion rate and the coal gas heat value are improved by increasing the oxygen concentration of the gasification agent.
10. The integrated fire and renewable energy power generation and oil refining polygeneration system according to claim 1 or 2, wherein: the tar separation device comprises equipment including a water washing tower, an electric tar precipitator and an oil/water separator, wherein a mixed gas outlet of the dry distillation tank is connected with an inlet of the water washing tower, a gas outlet of the water washing tower is connected with an inlet of the electric tar precipitator, an oil/water mixed solution of the water washing tower is connected to the oil/water separator from a liquid outlet, and tar flowing out of the electric tar precipitator and the oil/water separator is sent to the hydrocracking oil refining device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019217709206 | 2019-10-21 | ||
| CN201921770920 | 2019-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212833645U true CN212833645U (en) | 2021-03-30 |
Family
ID=75113089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020373647.XU Expired - Fee Related CN212833645U (en) | 2019-10-21 | 2020-03-23 | Poly-generation system integrating thermal power generation, renewable energy power generation and oil refining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212833645U (en) |
-
2020
- 2020-03-23 CN CN202020373647.XU patent/CN212833645U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9528055B2 (en) | Energy efficient gasification-based multi generation apparatus employing energy efficient acid gas removal plant-directed process schemes and related methods | |
| CN201395576Y (en) | Fluidized bed pulverized coal low-temperature dry distillation poly-generation device | |
| CN101657525A (en) | System and method for producing substitute natural gas from coal | |
| CN102226107A (en) | Technology and equipment for preparation of synthetic gas by two-stage high temperature biomass gasification | |
| CN103409171A (en) | Biomass pressurized fluidized bed gasification gas turbine combined cycle power generation system | |
| CN101250419B (en) | Low-temperature dry distillation process with coal gas internal heat | |
| CN104629809A (en) | System for preparing high-caloric-value biomass gasified gas by using high-temperature flue gas of oxygen-enriched combustion boiler | |
| CN203403070U (en) | Biomass pressurized fluidized-bed gasification gas turbine combined cycle power generation system | |
| CN202576365U (en) | Fluidized bed biomass and coal together gasified device | |
| CN111471490A (en) | Poly-generation system integrating thermal power generation, renewable energy power generation and oil refining | |
| Pradhan et al. | Biomass gasification by the use of rice husk gasifier | |
| CN212833645U (en) | Poly-generation system integrating thermal power generation, renewable energy power generation and oil refining | |
| CN201517093U (en) | Circulating fluidized bed coal grading conversion coal gas tar semi-coke poly-generation device | |
| CN203096004U (en) | Power generation system based on classification and transformation of hydrocarbon components of coal | |
| CN109679671A (en) | A kind of Poly-generation peak load stations system | |
| US5063732A (en) | Method for repowering existing electric power plant | |
| CN111718756A (en) | Thermal power plant pyrolysis hydrogen production system and hydrogen production method | |
| CN210568450U (en) | Briquette pyrolysis gas combustion-supporting waste incineration power generation system | |
| CN204702703U (en) | A kind of biomass energy high-temperature pressure stalk gasification combined circulation power generation system | |
| CN108441264A (en) | Wood bamboo powder fluidized gasification-gas turbine power generation co-producing bio matter charcoal, hot method | |
| CN211199137U (en) | Circulating fluidized bed pulverized coal pyrolysis-gasification device | |
| CN112646609A (en) | Device and method for producing hydrogen by gasifying biomass | |
| CN2382721Y (en) | Heat value gasifying device of biological matter | |
| CN210711397U (en) | Poly-generation peak shaving power station system | |
| CN217103759U (en) | Biomass gasification stove power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |