CN101440297A - Method for directly applying large scale non-grid connected wind power to coal liquefaction oil - Google Patents
Method for directly applying large scale non-grid connected wind power to coal liquefaction oil Download PDFInfo
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- CN101440297A CN101440297A CNA2008102362800A CN200810236280A CN101440297A CN 101440297 A CN101440297 A CN 101440297A CN A2008102362800 A CNA2008102362800 A CN A2008102362800A CN 200810236280 A CN200810236280 A CN 200810236280A CN 101440297 A CN101440297 A CN 101440297A
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- 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
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
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Abstract
The invention relates to a production method for directly applying large-scale nonparallel net wind power to liquefy coal to manufacture coal, which mainly converts large-scale random wind energy into pulse direct current electrical energy through a wind power generator. The electrical energy is utilized to electrolyze water to produce two material flows, namely a hydrogen material flow and an oxygen material flow, wherein oxygen is used as an oxidant in the process of liquefying coal to manufacture oil; and hydrogen is used as reaction material gas in the process of liquefying coal to manufacture oil. The method has the following advantages: the method improves the yield of liquefying coal to manufacture oil, doubles the output and simultaneously substantially reduces the investment cost and operating expense of the production process of changing coal to oil; the emission amount of greenhouse gas carbon dioxide is less than 10 percent of the mission amount of the prior production process; and the process effectively utilizes the wind power, breaks through the limitation that routine large-scale wind power needs parallel net and is beset with a cosmopolitan difficult problem of 10 percent of contribution rate of parallel net, and realizes 100 percent utilization of large-scale wind power in the production process of liquefying coal to manufacture coal so that chemical engineering of green coal becomes possible.
Description
Technical field
The present invention relates to a kind of large scale non-grid connected wind power and directly apply to the liquefaction coal oil-producing technique.This technology is that the wind energy transformation that extensive, randomness is changed is a Rectified alternating current, and directly applies to brine electrolysis and carry out large-scale production hydrogen and oxygen.Hydrogen that obtains and oxygen are as the raw material in the liquefaction coal oil-producing technique.When adopting technology of the present invention that wind energy is effectively utilized, traditional liquefaction coal oil-producing technique be can also improve, energy-saving and cost-reducing, the environmental protection of production technique realized.
Background technology
Energy and environment are two principal themes that various countries, the world today pay close attention to.Analyze at " 2007 annual international energy prospect " (the International Energy Outlook 2007) of its issue according to american energy information management office (Energy Information Administration), world energy consumption will sustainable growth in from now on 20 years, expect the year two thousand thirty, world's year energy consumption will by 2004 447 * 10
15Btu (British thermal unit) is increased to 702 * 10
15Btu, growth reaches 57%." 2007 annual world energy outlook " (World Energy Outlook 2007) of International Energy Agency (International EnergyAgency) points out that then the nations of China and India has become the fastest-rising zone of energy expenditure in the world.
China has been the second largest oil consuming countries and the CO that is only second to the U.S. at present
2Discharge first big country.2006, the apparent consumption of China's oil (apparent consumption of crude oil and processed oil net importation amount sum) reached 34,655 ten thousand tons, increases by 9.3% on a year-on-year basis.And crude production rate is 18,368 ten thousand tons, only increases by 1.7% on a year-on-year basis; 16,287 ten thousand tons of net import of oils increase by on a year-on-year basis and reach 19.6%.Ever-increasing petroleum import causes China's oil import interdependency to increase every year, reaches 47% in 2006, far surpasses 30% international barrier line, and the Middle East and Africa are the major areas of crude oil in China import.China's oil residue proven reserve are on a declining curve, and output and consumption then rise year by year, and the growth of consumption is well beyond the supply of output in domestic, and the oil supply and demand breach enlarges day by day, and Oil Safety is increasingly serious.
China be one oil-poor, stingy, and the relative more country of coal resources with wind energy resources.And in China, all there is advantageous wind energy resources in the province that coal resources are abundant relatively.By the end of the year 2004,2,300,000,000 tons of China's oil residual recoverable reserves occupy the 13rd in the world, but only account for 1.4% of world's total amount, and oil reserve-production ratio 13.4 is far below 40.5 of world average level.Sweet natural gas residual recoverable reserves 2.23 tcms, the 16th in the row world accounts for 1.2% of world's Sweet natural gas residual recoverable reserves total amount.Sweet natural gas reserve-production ratio 54.7 is lower than world average.And the coal residual recoverable reserves is 1,145 hundred million tons, is only second to the U.S. and Russia, occupies the third place in the world, accounts for 12.6% of world's total amount.Chinese coal output was 9.89 hundred million tons in 2004, was the No.1 big coal country in the world, accounted for 36.2% of Gross World Product.How according to the region feature of China, that suits measures to local conditions makes good use of more relatively coal resources and wind energy resources, is one of the key issue that must resolve in China's energy utilization
Liquidation of coal is one of advanced coal conversion technology, is to be that raw material is produced the technology that liquid hydrocarbon is a main products with the coal.Gelatin liquefaction is divided into " direct liquefaction of coal " and " indirect liquefaction of coal " two big classes.
The direct liquefaction of coal is the technology that the direct shortening of coal changes into product liquid.The indirect liquefaction of coal is with coal based synthetic gas (CO+H
2) be raw material, under certain temperature and pressure, the directed catalysis synthin oil fuel and the technology of industrial chemicals.Comprise that gasification is produced synthetic gas and purification thereof, conversion, catalysis is synthetic and product separation and upgrading processing etc. process.
In the direct liquefaction technology of coal, because protium only accounts for about 5% of coal, so in production technique, need a large amount of hydrogen to replenish as raw material, and the heavy industrialization hydrogen producing technology is with traditional water-gas explained hereafter, is to consume a large amount of a large amount of CO of fossil energy coal, water resources and discharging
2Be cost, efficiency of energy utilization is very low.
Therefore, in the liquefaction coal oil-producing technique, if the energy of a kind of " green " can supply raw materials needed oxygen of gas manufacturing processed and hydrogen feed are arranged, this will reduce the energy consumption in the production process greatly, also help to reduce greenhouse gases CO simultaneously
2Discharging.
Wind energy has more and more been received researcher's favor as a kind of energy of green.Wind-electricity integration is present unique application mode of large-scale wind power field in the world.The utilization of wind energy carries out according to " wind wheel-generator-electrical network-user (load) " this route mainly that (Fig. 1 a), wherein electrical network is the load of wind-powered electricity generation and user's power supply, and the existence of electrical network has guaranteed the utilization of wind-powered electricity generation.But because the unstable and the wave characteristic of wind-powered electricity generation, the large-scale wind power online also exists the technology barrier that present stage is difficult to overcome, and wind-powered electricity generation is difficult to surpass 10% to the electrical network contribution rate has become a global problem.Wind-powered electricity generation online has simultaneously proposed to satisfy electrical network frequency stabilization, voltage stabilizing and the surely requirement of phase place to wind energy conversion system, has increased considerably wind energy conversion system manufacturing cost and wind-powered electricity generation price thus, and the wind-powered electricity generation large-scale application is restricted.
Shortcoming at the wind-electricity integration existence, this investigator has proposed " non-grid connected wind power " theory, in brief, the terminal load that is exactly wind power system no longer is traditional single electrical network, but directly apply to a series of high energy-consuming industry and other special dimensions that can adapt to the wind-powered electricity generation characteristic, mainly be applicable to 100,000-1,000 ten thousand above large-scale wind power of kW fields.Its principal feature is: wind-powered electricity generation is directly applied to user's (load) (seeing Fig. 1 b).
The advantage of this non-mode that is incorporated into the power networks of wind-powered electricity generation is embodied in:
(1) adopts direct current, avoid wind-powered electricity generation online voltage difference, phase differential, the unmanageable problem of difference on the frequency, get around the bottleneck of this restriction wind-powered electricity generation large-scale application of electrical network, also avoided the influence of wind-electricity integration network system.
(2) break through the limitation that the terminal load uses wind-powered electricity generation, make the power supply proportion of large-scale wind power in the non-grid connected wind power system reach 100%.
(3) improve Wind Power Utilization efficient, required a large amount of utility appliance when simplifying the operation of wind energy conversion system structure and wind-electricity integration, wind-powered electricity generation just can directly apply to some specific industry through easy configuration, reduces the manufacturing cost and the wind-powered electricity generation price of wind energy turbine set significantly.
Based on above-mentioned background, we have proposed a kind of non-grid connected wind power and have directly applied to liquefaction coal system oil production technique.This technology is that the wind energy transformation that extensive, randomness is changed is a Rectified alternating current, and directly utilizes this electric energy brine electrolysis to produce hydrogen and oxygen.Hydrogen that obtains and oxygen are as the raw material in the liquefaction coal system oil production technique.When utilizing this technology that wind energy is effectively utilized, traditional Coal Chemical Industry technology be can also optimize, energy-saving and cost-reducing, the environmental protection of production technique realized.
Summary of the invention
The present invention proposes a kind of large scale non-grid connected wind power and directly applies to the liquefaction coal oil-producing technique.This technology is that the wind energy transformation that extensive, randomness is changed is a Rectified alternating current, and directly applies to brine electrolysis and carry out large-scale production hydrogen and oxygen.Hydrogen that obtains and oxygen are as the raw material in the liquefaction coal system oil production technique.When utilizing this technology that wind energy is effectively utilized, traditional Coal Chemical Industry technology be can also improve, energy-saving and cost-reducing, the environmental protection of production technique realized.
A kind of large scale non-grid connected wind power directly applies to liquefaction coal system oil production technique, and as shown in Figure 2, it is made up of following steps:
(1) with the working power of large scale non-grid connected wind power as the electrolysis tank, with the electrolysis tank oxygen and the hydrogen that water electrolysis becomes is entered oxygen storage tank and hydrogen-holder storage respectively, and,, regulate the top hole pressure of oxygen according to producing needs at oxygen storage tank outlet connection oxygen compressor; Exit at hydrogen-holder connects hydrogen gas compressor, interchanger, flow control valve, regulates temperature, pressure and the flow of hydrogen outlet according to producing needs;
(2) carbon logistics and the water logistics ordinary method made enter coal gasifier, are vaporized chemical with the oxygen of the oxygen storage tank in the above-mentioned steps (1), regulate an amount of oxygen stream and enter coal gasifier, combine with the carbon water mixture stream to produce and are rich in CO, CO
2And H
2The water-gas logistics, after the compression of the compressed machine of this water-gas logistics, the interchanger heat exchange, the hydrogen with flow control valve output after the rectifying installation rectification enters the pulp bed bioreactor, can obtain to contain alkane, CO, CO after the reaction
2And H
2Thick product gas logistics; This thick product gas logistics through fractionation and tripping device fractionation with separate, can obtain gasoline, diesel oil and liquefied petroleum gas (LPG) after the art breading such as petroleum naphtha isomerization, dewaxing; Not by the CO of fractionation and separating reaction, CO
2And H
2The water-gas logistics can feed back in the pulp bed bioreactor through return tube and continue circulating reaction.
In order to obtain enough oxygen and hydrogen, described electrolyzer is selected DQ375/1.6 type pressurized water electrolysis hydrogen production device or ZDQ375/1.6 hydrogen production plant by water electrolysis or the bigger electrolyzer of output for use, in order to obtain enough electric weight, the high-power wind-driven generator group that the wind power generating set of described large scale non-grid connected wind power selects for use Duo Tai to be equal to or greater than 1.5 megawatts is in parallel and directly power supply.
This patent provides a kind of new approaches of producing diesel oil, gasoline, liquefied petroleum gas (LPG): promptly utilize non-grid connected wind power that the wind energy extensive, that randomness changes produces directly with a kind of novel process of traditional fossil fuel energy coupled, produce a kind ofly can directly utilize, stable raw material.Wind energy transformation with temporal variation is a kind of energy of stability on the one hand; Can improve the utilising efficiency of traditional energy in addition on the one hand, also have the deep social effect and the value of environmental protection simultaneously.Method production methyl alcohol that the employing this patent provides and diesel oil, gasoline, liquefied petroleum gas (LPG) have following advantage:
(1) increase substantially diesel oil, gasoline, liquefied petroleum gas (LPG) productive rate;
(2) reduce the facility investment and the process cost of liquefaction coal oil-producing technique greatly, energy-saving and cost-reducing;
(3) reducing emission of carbon dioxide significantly, the carbon dioxide discharge-reduction of producing diesel oil per ton, gasoline, liquefied petroleum gas (LPG) reaches 92%, makes green Coal Chemical Industry become possibility.
(4) water loss of producing diesel oil per ton, gasoline, liquefied petroleum gas (LPG) reduces nearly 40%.
(5) wind energy of temporal variation is added up finally to transform into a kind of energy of stability, made full use of renewable wind energy resources, and little to environment and ecological interference.
Description of drawings
Fig. 1 (a) is conventional wind power system structural representation;
Fig. 1 (b) is a non-grid connected wind power system architecture synoptic diagram;
Fig. 2 is the process flow diagram that large scale non-grid connected wind power of the present invention directly applies to liquefaction coal system oil producing method, and the label among the figure is: 1 is the carbon logistics; 2 is the water logistics; 3 is oxygen stream; 4 is coal gasifier; 5 is compressor; 6 is interchanger; 7 is rectifying installation; 8 is wind energy; 9 is wind power generating set; 10 are the electrolysis tank; 11 is oxygen storage tank; 12 is hydrogen-holder; 13 is oxygen compressor; 14 is hydrogen gas compressor; 15 is interchanger; 16 is flow control valve; 17 are the pulp bed bioreactor; 18 is thick oil product logistics; 19 are fractionation and tripping device; 20 is return tube; 21 is gasoline; 22 is diesel oil; 23 is liquefied petroleum gas (LPG).
Embodiment
2 couples of the present invention are further described as follows in conjunction with the accompanying drawings:
To produce 5,000,000 tons of/year liquefaction coal system oil is example, needing the wind power generating set of about 50 1500KW is the Rectified alternating current that randomness changes with wind energy transformation, this aerogenerator can be available from golden Wind Technology Co., Ltd, model is the reduced form (saving the full power invertor) of golden wind 77/1500, direct output of DC current, its technical parameter is as shown in table 1.Also can select the high-power wind-driven generator group of other model that is equal to or greater than 1.5 megawatts for use.
Table 1 gold wind 77/1500 aerogenerator technical parameter
| Rated output | 1500KW |
| The incision wind speed | 3m/s |
| Stablize wind speed | 12m/s |
| Cut-out wind speed | 22m/s (10 minutes averages) |
| Anti-maximum wind speed | 53 (60) m/s (3 seconds averages) |
| Impeller diameter | 77m |
| The blower fan height | 65/85m |
| Generator weight | 44T |
The pulsating direct current electric energy that obtains simultaneously in the abundant zone of net electricity, also can suitably be aided with the net electricity and replenish, the patent ZL200720033166.9 that the device that wind-powered electricity generation and net electricity organically combine has been applied for reference to us as the groundwork medium of electrolysis tank.In addition, electrolysis tank equipment is competed power hydrogen producer company limited available from Suzhou, and model is DQ350/1.6, and the main technical details index is as shown in table 2.Also can select the big apparatus for electrolyzing of output of models such as ZDQ375/1.6 for use.
Table 2 DQ350/1.6 hydrogen producer technical parameter
| Hydrogen output (m 3/h) | Oxygen-producing amount (m 3/h) | Working pressure MPa | Hydrogen purity % | Hydrogen purity % | Direct current consumption KW./m3/h | Control mode |
| 350 | 175 | 1.6 | ≥99.8 | ≥99.3 | ≤4.5 | Microcomputer control |
Main technique flow process of the present invention as shown in Figure 2, its method comprises following 2 steps: (1) is with large scale non-grid connected wind power 8 and 9 working powers as electrolysis tank 10, with electrolysis tank 10 oxygen and the hydrogen that water electrolysis becomes is entered oxygen storage tank 11 and hydrogen-holder 12 storages respectively, and at oxygen storage tank 11 outlet connection oxygen compressors 13, according to producing needs, regulate the top hole pressure of oxygen; Connecting hydrogen gas compressor 14, interchanger 15, flow control valve 16 in the exit of hydrogen-holder 12, regulate temperature, pressure and the flow of hydrogen outlet according to producing needs, is that 230～420 ℃, pressure are 5～30MPa as: the temperature of regulating hydrogen outlet.(2) carbon logistics 1 and the water logistics 2 ordinary method made enter coal gasifier 4, oxygen with the oxygen storage tank 11 in the above-mentioned steps (1) is vaporized chemical, regulate an amount of oxygen stream 3 and enter coal gasifier 4, combine with carbon water mixture stream 1 and 2 to produce and be rich in CO, CO
2And H
2The water-gas logistics, after compressed machine 5 compressions of this water-gas logistics, interchanger 6 heat exchange, the hydrogen that electrolysis produced with flow control valve 16 outputs after rectifying installation 7 rectifications enters pulp bed bioreactor 17, can obtain to contain alkane, CO, CO after the reaction
2And H
2Thick product gas logistics 18; This thick product gas thing 18 flow through fractionation and tripping device 19 fractionation with separate, can obtain gasoline 21, diesel oil 22 and liquefied petroleum gas (LPG) 23 after the art breading such as petroleum naphtha isomerization, dewaxing; Not by the CO of fractionation and separating reaction, CO
2And H
2The water-gas logistics feeds back in the pulp bed bioreactor 17 through return tube 20 and continues circulating reaction.
Claims (2)
1. large scale non-grid connected wind power directly applies to the production technique of liquefaction coal system oil, it is characterized in that may further comprise the steps:
(1) with the working power of large scale non-grid connected wind power as the electrolysis tank, with the electrolysis tank oxygen and the hydrogen that water electrolysis becomes is entered oxygen storage tank and hydrogen-holder storage respectively, and,, regulate the top hole pressure of oxygen according to producing needs at oxygen storage tank outlet connection oxygen compressor; Exit at hydrogen-holder connects hydrogen gas compressor, interchanger, flow control valve, regulates temperature, pressure and the flow of hydrogen outlet according to producing needs;
(2) carbon logistics and the water logistics ordinary method made enter coal gasifier, are vaporized chemical with the oxygen of the oxygen storage tank in the above-mentioned steps (1), regulate an amount of oxygen stream and enter coal gasifier, combine with the carbon water mixture stream to produce and are rich in CO, CO
2And H
2The water-gas logistics, after the compression of the compressed machine of this water-gas logistics, the interchanger heat exchange, the hydrogen with flow control valve output after the rectifying installation rectification enters the pulp bed bioreactor, can obtain to contain alkane, CO, CO after the reaction
2And H
2Thick product gas logistics; This thick product gas logistics through fractionation and tripping device fractionation with separate, can obtain gasoline, diesel oil and liquefied petroleum gas (LPG) after the art breading such as petroleum naphtha isomerization, dewaxing; Not by the CO of fractionation and separating reaction, CO
2And H
2The water-gas logistics can feed back in the pulp bed bioreactor through return tube and continue circulating reaction.
2, large scale non-grid connected wind power as claimed in claim 1 directly applies to the production technique of liquefaction coal system oil, it is characterized in that described electrolyzer selects DQ375/1.6 type pressurized water electrolysis hydrogen production device or ZDQ375/1.6 hydrogen production plant by water electrolysis for use, the wind power generating set of described large scale non-grid connected wind power is selected the high-power wind-driven generator group that is equal to or greater than 1.5 megawatts for use.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071422A (en) * | 2015-08-28 | 2015-11-18 | 袁铁江 | Wind-hydrogen energy storage coupling system control method of distributed access wind farm |
| CN107147109A (en) * | 2017-05-10 | 2017-09-08 | 袁铁江 | The energy storage of wind-powered electricity generation hydrogen distributes control method with coal chemical industry multipotency coupled system gas |
-
2008
- 2008-11-27 CN CNA2008102362800A patent/CN101440297A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071422A (en) * | 2015-08-28 | 2015-11-18 | 袁铁江 | Wind-hydrogen energy storage coupling system control method of distributed access wind farm |
| CN107147109A (en) * | 2017-05-10 | 2017-09-08 | 袁铁江 | The energy storage of wind-powered electricity generation hydrogen distributes control method with coal chemical industry multipotency coupled system gas |
| CN107147109B (en) * | 2017-05-10 | 2020-03-17 | 袁铁江 | Gas distribution control method for wind power-hydrogen energy storage and coal chemical industry multi-energy coupling system |
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Application publication date: 20090527 |