CN107860238A - The method and commercial plant of zero-emission - Google Patents
The method and commercial plant of zero-emission Download PDFInfo
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- CN107860238A CN107860238A CN201710955263.1A CN201710955263A CN107860238A CN 107860238 A CN107860238 A CN 107860238A CN 201710955263 A CN201710955263 A CN 201710955263A CN 107860238 A CN107860238 A CN 107860238A
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- carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
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- Environmental & Geological Engineering (AREA)
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- General Engineering & Computer Science (AREA)
Abstract
The present invention a kind of method and commercial plant of zero-emission, including industrial furnace, combustion apparatus, Ke Laipu units, conversion separation equipment, carbon dioxide purification equipment and peace hydrogen production unit, fuel carries out feature gasification with combustion-supporting gas by combustion apparatus, generates the gas mixture based on carbon monoxide;The exhanst gas outlet of industrial furnace connects harmful substance removal equipment by feed preheater or feed preheater and generator unit or flue gas heat-exchange unit or generator unit and flue gas heat-exchange unit;Harmful substance removal equipment is directly connected to or connects conversion separation equipment by Ke Laipu units, the hydrogen outlet of conversion separation equipment is connected to peace hydrogen production unit, and the carbon dioxide outlet for converting separation equipment is connected to carbon dioxide purification equipment, the fuel conveying gas entrance of fuel conduit and combustion-supporting pipeline.The present invention is gasified by feature to be combined with Ke Laipu units, effectively removes the harmful substance in flue gas, and the energy makes full use of, and is advantageous to environment protection.
Description
Technical field
The invention belongs to chemical industry, building materials and metallurgical production equipment technical field, is related to a kind of commercial plant, more particularly to one
The method and commercial plant of kind zero-emission.
Background technology
The carbon dioxide content increase of air, gradually makes global ocean souring.Scientist estimates, to the end of this century, mistake
The seawater of acid can cause coral extinction, planktonic organism to reduce, or even make marine food chain collapse.
Greenhouse effects are due to carbon dioxide content increase, the elevated phenomenon of Global Temperature in air.If carbon dioxide
Content than now doubles, and Global Temperature will raise 3 DEG C~5 DEG C, and polar regions may raise 10 DEG C, and weather will substantially become
It is warm.Temperature raises, and will cause certain areas rainfall increase, certain areas drought, and hurricane strength strengthens, and the frequency of occurrences also will
Improve, natural calamity aggravation.More it is a concern that because temperature raises, polar regions Melting Glacierss, sea level liter will be made
Height, many coastal cities, island or low laying areas will face the threat of seawater rise, or even be swallowed up by seawater.60 years 20th century
Dai Mo, the arid that African the Sahara pastoral area once continued 6 years.Due to lacking grain and herbage, livestock is slaughtered, hungry lethal
Person is more than 1,430,000 people.Therefore, it is necessary to efficiently control carbon dioxide content increase, scientifical use fuel, strengthen afforestation,
Greening the earth, the huge disaster for preventing greenhouse effects from being brought to the whole world.
Carbon dioxide is to cause one of most important greenhouse gases of Global climate change, controls CO2 emission problem
By the extensive concern of countries in the world.Control greenhouse gas emission, mitigation of climate change turn into China's the Implement of sustainable development
The important component of strategy.
Energy-saving and emission-reduction are the manufacturing enterprises of the important topic that modern enterprise faces, especially industrial furnace, the recovery of waste heat
Utilize, not only protect environment, it is often more important that save the energy, reduce production cost.
The content of the invention
It is an object of the invention to provide a kind of method of zero-emission and commercial plant, to improve the thermal efficiency of heat energy apparatus,
Energy consumption is reduced, reduces and avoids waste gas from discharging, environment protection is not contaminated.
The present invention a kind of method and commercial plant of zero-emission, including industrial furnace, raw material cabin, product storehouse, fuel conduit
With combustion-supporting pipeline, the industrial furnace is provided with combustion apparatus, charging aperture, discharging opening, reactor product cooler and exhanst gas outlet, the original
Feed bin is connected to charging aperture, and the discharging opening is connected to product storehouse by reactor product cooler, and described device is provided with generator unit, original
Material preheater, flue gas heat-exchange unit, harmful substance removal equipment, Ke Laipu units, conversion separation equipment and carbon dioxide purification are set
Standby, the combustion apparatus is burner, spray gun or burning beam in stove, or the feature gasification furnace being separately provided,
The feature gasification furnace is provided with the burner of fuel conduit and combustion-supporting pipeline, coal ash cooler and offgas outlet, fuel
Feature gasification is carried out in the burner hearth or feature gasification furnace of industrial furnace with combustion-supporting gas, is generated based on carbon monoxide
Gas mixture;The exhanst gas outlet of the industrial furnace connects harmful substance removal equipment by feed preheater, or passes through
Feed preheater, generator unit connection harmful substance removal equipment, or harmful substance removal is connected by flue gas heat-exchange unit and set
It is standby, or harmful substance removal equipment is connected by generator unit, flue gas heat-exchange unit;The harmful substance removal equipment directly connects
Connecing or conversion separation equipment is connected by Ke Laipu units, conversion separation equipment is provided with hydrogen outlet and carbon dioxide outlet,
The hydrogen outlet is connected to peace hydrogen production unit, and the carbon dioxide outlet is connected to carbon dioxide purification equipment, burning is set
The fuel conveying gas entrance and combustion-supporting pipeline of standby fuel conduit, the carbon dioxide purification equipment outlet be connected to food-grade or
Industrial grade carbon-dioxide finished pot;Ke Laipu units are cooled down by circulatory mediator pipeline and flue gas heat-exchange unit, product storehouse/product storehouse
Device, conversion separation equipment, peace hydrogen production unit, coal ash cooler connect to form circulation loop respectively;The generator unit is
Waste heat power generation equipment or/and differential pressure power generation equipment are exported with Ke Laipu units parallel power or individually output.
The method and commercial plant of above-mentioned zero-emission, the harmful substance removal equipment and conversion separation equipment between or
The branch road of connection carbon dioxide purification equipment is set between Ke Laipu units described in person and conversion separation equipment.
The method and commercial plant of above-mentioned zero-emission, the industrial furnace include partition rotary kiln, blast furnace, revolution
Kiln, beam type shaft furnace, sleeve kiln or double-hearth lime kiln, the rotary kiln include lime rotary kiln, clinker rotary kiln, zero-emission
Calcium carbide rotary kiln, ironmaking rotary kiln or coking of coal rotary kiln;The generator unit is waste heat power generation equipment or differential pressure power generation equipment.
The method and commercial plant of above-mentioned zero-emission, the industrial furnace are partition rotary kiln or rotary kiln, combustion apparatus
For burner, carbon dioxide seal box, seal box are externally provided with the static and dynamic sealing part flap being connected with kiln head cover, kiln hood
Pressure be higher than the kiln inner pressure of partition rotary kiln, the exhanst gas outlet of industrial furnace by feed preheater, waste heat power generation equipment,
It is connected after harmful substance removal equipment with Ke Laipu units, Ke Laipu units connection conversion separation equipment, converts separation equipment
Outlet connection carbon dioxide purification equipment and peace hydrogen production unit, Ke Laipu units pass through circulatory mediator pipeline and product storehouse/production
Product storehouse cooler, conversion separation equipment, peace hydrogen production unit connect to form circulation loop respectively;When partition rotary kiln or rotary kiln
In combustion-supporting gas and fuel when carrying out gas mixture of the feature gasification reaction generation based on carbon monoxide, tail gas passes through
It is connected after Ke Laipu units with conversion separation equipment, now tail gas after Ke Laipu units by that can also be directly output as an oxygen
Change the industrial chemicals or gaseous fuel of carbon gaseous mixture;When tail gas as gaseous fuel in use, can use air as combustion-supporting
Gas is gasified, and gaseous fuel is the gaseous mixture containing carbon monoxide, nitrogen and carbon dioxide;When partition rotary kiln or revolution
When combustion-supporting gas in kiln carries out completely burned generation carbon dioxide with fuel, tail gas by after Ke Laipu units with carbon dioxide
Equipment for purifying connection is not connected with conversion separation equipment, peace hydrogen production unit, and conversion separation equipment, peace hydrogen production unit stop simultaneously
Only work;The burner of partition rotary kiln or rotary kiln can be arranged separately in inside kiln body, can also be replaced by feature gasification furnace
In generation, when setting feature gasification furnace, Ke Laipu units also are connected to be formed and followed by circulatory mediator pipeline with coal ash cooler
Loop back path;Fuel carries out feature gasification by carbon dioxide wind model, by burner combustion, feature gasification be exactly fuel and
Gasifying agent pure oxygen/oxygen-enriched the imperfect combustion in partition rotary kiln generation carbon monoxide and a small amount of other gases, add during gasification
Partial CO 2 gas realizes a variety of work(of lime calcining, temperature control and deslagging as diluent while completing and gasifying
Energy;When combustion-supporting gas is the oxygen-enriched and gaseous mixture of carbon dioxide, unnecessary nitrogen and nitrogen are removed by harmful substance removal equipment
Oxide impurity;Pure oxygen/oxygen-enriched and carbon dioxide mix gas ratio is 0: 100~100: 0 (volume ratio);The partition rotary kiln
Kiln body is tube-in-tube structure, is made up of coaxial mounted inner cylinder and outer barrel, and the center of inner cylinder is kiln thorax, is thing between inner cylinder and outer barrel
Expect passage, the material channel, which is provided with, supports resistance to material;Partition rotary kiln fuel is in middle hearth combustion, by partition-wall heat transfer by heat
Measure the raw material passed in annular space to be calcined, because the continuous rotation of rotary kiln makes material thermally equivalent, and by adding
Expect that end is slowly flowed to discharge end, discharged after the completion of calcining.Combustion space separates with calcination space, can produce high-purity not by
The high-quality product of smoke pollution isolation air heating.Feature gasification furnace is a kind of to be mixed by pure oxygen/oxygen-enriched with carbon dioxide
Gas and the fuel high temperature that the substantial amounts of heat of imperfect combustion generation is formed using carbon monoxide as main component in gasification furnace is closed to mix
Gas is closed, next industrial furnace is supplied and is heated or reduction reaction or the equipment that protectiveness heating process can also be carried out, simultaneously
The liquid lime-ash of fuel is discharged out of the furnace in feature gasification furnace.
The method and commercial plant of above-mentioned zero-emission, the partition rotary kiln are at least to be divided into one section according to temperature range
Segmented partition rotary kiln, provided with raw limestone storehouse, classification feeder, each section of partition rotary kiln is respectively equipped with charging aperture, gone out
Material mouth, partition calcining tonifying Qi entrance and decomposed gas outlet;The raw limestone storehouse is connected to classification feeder, classification charging
Device is connected to classification charging aperture, and each grading discharge mouth is connected to each classification lime silo;Each section of decomposed gas outlet connects
It is connected to carbon dioxide purification equipment;The partition rotary kiln exports provided with fuel lime-ash;Rotary kiln burner can have been carried out only
Full burning can also carry out feature gasification;Rotary kiln burner can also be replaced with single device functionality gasification furnace, with production
Mixed gas based on raw high temperature carbon monoxide enters the kiln thorax of partition rotary kiln;The Ke Laipu units when feature gasifies
Partition calcining tonifying Qi entrance is connected to, calcined by rotary kiln tail gas extracts part low temperature exhaust gas after Ke Laipu unit recovery waste heats
To lime burning tonifying Qi to enhance product performance, air compensation is that limestone calcination produces the 0~100% of tail gas amount.
The method and commercial plant of above-mentioned zero-emission, the rotary kiln are clinker rotary kiln, the feed preheater
Burner is set, and burner connection fuel conduit and combustion-supporting pipeline, fuel carry out feature gas with combustion-supporting gas in feed preheater
Change, generate the gas mixture based on carbon monoxide;Or feature gasification furnace is set up outside feed preheater, feature gas
The offgas outlet for changing stove is connected to feed preheater.
The method and commercial plant of above-mentioned zero-emission, the industrial furnace are beam type shaft furnace, sleeve kiln or double-hearth lime kiln,
The bottom of the industrial furnace sets bottom gas cooled nozzle, and the exhanst gas outlet of industrial furnace passes through flue gas heat-exchange unit, harmful
Devolatilization equipment connection conversion separation equipment, convert outlet connection carbon dioxide purification equipment and the peace hydrogen production of separation equipment
Unit, the branch road for being connected to carbon dioxide purification equipment, connection are set between harmful substance removal equipment and conversion separation equipment
Carbon monoxide to bottom gas cooling spout supplements pipeline;Ke Laipu units by circulatory mediator pipeline and flue gas heat-exchange unit,
Product storehouse cooler, conversion separation equipment, peace hydrogen production unit connect to form circulation loop respectively;Combustion-supporting gas in industrial furnace
When body carries out gas mixture of the feature gasification reaction generation based on carbon monoxide with fuel, tail gas is taken off by harmful substance
Except being connected after equipment with conversion separation equipment, now tail gas after harmful substance removal equipment by that can also be directly output as one
The industrial chemicals or gaseous fuel of carbon oxide mixture;When the combustion-supporting gas in industrial furnace and fuel carry out completely burned generation
During carbon dioxide, tail gas after harmful substance removal equipment with carbon dioxide purification equipment by being connected;The burning of industrial furnace is set
It is standby to be arranged separately in inside kiln body, it can also be substituted by feature gasification furnace, when setting feature gasification furnace, Ke Laipu
Unit also is connected to form circulation loop by circulatory mediator pipeline with coal ash cooler;Fuel by carbon dioxide wind model,
Feature gasification is carried out by burner combustion, feature gasification is exactly fuel and gasifying agent pure oxygen/oxygen-enriched in partition rotary kiln
Imperfect combustion generates carbon monoxide and a small amount of other gases, adds partial CO 2 gas as diluent during gasification, and
The multiple functions of lime calcining, temperature control and deslagging are realized while completing and gasifying;When combustion-supporting gas is oxygen-enriched and carbon dioxide
Gaseous mixture when, unnecessary nitrogen and N-oxide impurity is removed by harmful substance removal equipment;Pure oxygen/oxygen-enriched and carbon dioxide
Gaseous mixture ratio is 0: 100~100: 0 (volume ratio).
The method and commercial plant of above-mentioned zero-emission, the industrial furnace are beam type shaft furnace, and beam type shaft furnace is provided with burning beam,
The downward or nozzle to both sides is set in burning beam, the conduction oil of cooling is passed through in burning beam, conduction oil is followed by conduction oil
Endless tube road is connected to form circulation loop with Ke Laipu units, and heat is transmitted to by the high temperature heat conductive oil of burning beam into Ke Laipu units
Ke, which carrys out pump apparatus, reduces the temperature of conduction oil, and the conduction oil of low temperature is delivered in burning beam again.
The method and commercial plant of above-mentioned zero-emission, the industrial furnace are blast furnace, the exhanst gas outlet of blast furnace
Two-way is divided into by differential pressure power generation equipment, flue gas heat-exchange unit, harmful substance removal equipment, all the way connection conversion separation equipment, separately
All the way by around the air inlet of blast furnace default air inlet be directly entered kiln thorax;Convert the hydrogen outlet of separation equipment
Connection peace hydrogen production unit, the carbon dioxide outlet for converting separation equipment are divided into three tunnels, are connected to carbon dioxide purification all the way and set
It is standby, fuel conduit is connected to all the way, and another way is connected to combustion-supporting pipeline;Ke Laipu units are changed by circulatory mediator pipeline with flue gas
Hot device, product storehouse cooler, conversion separation equipment, peace hydrogen production unit connect to form circulation loop respectively.
The method and commercial plant of above-mentioned zero-emission, the Ke Laipu units include expanding machine, generator, hydrogen hot compression
Equipment and resuperheater;The expander outlet is connected to expander inlet, the expanding machine by hydrogen heat compression device
It is connected with generator shaft, the generator is connected with external power circuit system.
The method and commercial plant of above-mentioned zero-emission, it is anti-that the hydrogen heat compression device is provided with 2~100 groups of metal hydrides
Bed is answered, the metal hydride reaction bed absorbs low pressure hydrogen, releases high pressure hydrogen at high temperature at low temperature;Described 2~100
Group metal hydride reaction bed is arranged to one or more levels, when being arranged to one-level, the suction hydrogen of metal hydride reaction bed in peer
Temperature is identical, and hydrogen discharging temperature is also identical;When being arranged to multistage, every grade of at least 2 groups of metal hydride reaction beds, upper level metal
The hydrogen discharging temperature of hydride reaction bed is higher than the hydrogen discharging temperature of next stage metal hydride, and the suction hydrogen temperature of upper level is also above under
The suction hydrogen temperature of one-level, liberated heat supply next stage metal hydride reaction when upper level metal hydride reaction bed inhales hydrogen
Bed uses, and realizes the cascade utilization of heat;The expanding machine is multiple expansion engine, and bleeding point and air inlet are provided with per one-level, on
The outlet port of one-level is connected to the air inlet of next stage by resuperheater.Ke Laipu units are set up hydrogen storage material and removed stage makeup and costume dress
Put, realized by strength, fluid power or mechanical system between level or metal hydrogen storage between any two metal hydride reaction bed in level
Material is mutually switched.The Ke Laipu units can set up organic Rankine bottoming cycle low-temperature cogeneration device, further improve effect
Rate;ORC (organic Rankine cycle) low-temperature device for generating power by waste heat includes evaporator, expanding machine, condenser, working medium pump and generator, and use is low
Boiling organics are as working medium;Evaporator outlet is connected to expander inlet, and expander outlet is connected to condenser inlet, condensation
Device outlet is connected to evaporator inlet by working medium pump, and expanding machine is connected with generator shaft;ORC (organic Rankine cycle) low-temperature waste heat is sent out
The expanding machine and generator of electric installation are independently arranged, or expanding machine original with Ke Laipu units and generator share;Evaporation
Heat needed for device from metal hydride reaction bed inhale hydrogen when liberated heat and flue gas low temperature exhaust heat.
The method and commercial plant of above-mentioned zero-emission, the peace hydrogen production unit, including at least two hydrogen abstraction reaction devices, gold
Belong to hydride more changing device, weary metal hydride container and saturation metal hydride container;The weary metal hydride collection
Vanning is equipped with the metal hydrogen storage material discharged by metal hydride after hydrogen, and the saturation metal hydride container is equipped with by gold
Category hydrogen storage material absorbs the metal hydride formed after hydrogen, and the metal hydride outlet of the hydrogen abstraction reaction device passes through metallic hydrogen
Compound more changing device is connected with weary metal hydride container and saturation metal hydride container respectively, the metal hydride
More changing device is anti-into hydrogen is inhaled by metal hydrogen storage material in the weary metal hydride container of strength, fluid power or mechanical system completion
Answer the metal hydrogen storage material in device and hydrogen abstraction reaction device to absorb the metal hydride formed after hydrogen and enter saturation metal hydride
The material transfer process of thing container;The hydrogen abstraction reaction device is connected to be formed by cycle heat exchange medium pipeline with Ke Laipu units
Circulation loop, metal hydrogen storage material hydrogen abstraction reaction process releases substantial amounts of heat in hydrogen abstraction reaction device, by cycle heat exchange medium tube
Cycle heat exchange medium indirect heat exchange in road is taken out of, exchanges heat and is generated electricity to Ke Laipu units, the cycle heat exchange medium can also be hydrogen
Hydrogen abstraction reaction process liberated heat is taken in gas, direct heat transfer out of, exchanges heat and is generated electricity to Ke Laipu units.Produced by peace hydrogen production unit
Magnesium system metal hydride when in use, the releasing of its hydrogen uses following either type:First, magnesium system metal hydride is added
Hydrogen is released after heat to design temperature;Second, add water or water vapour while heating releases hydrogen as auxiliary agent;Third,
Magnesium system metal hydride is heated once to be put after hydrogen is decomposed into magnesium simple substance, then fills into water or water vapour and the reaction generation of magnesium simple substance
Hydrogen progress is secondary to put hydrogen.
The method and commercial plant of above-mentioned zero-emission, the fuel are the single-fuel of carbon containing liquid, solid or gas
Or any two or more fuel combination;Fuel in whole production process does not have with combustion-supporting gas completely burned or feature gasification
There is nitrogen participation, only micro nitrogen oxides produces;The overall hermetically sealed isolation air of whole process units, prevents air from entering
System brings nitrogen into;Pure oxygen source:1. clean energy resource, including the water electrolysis hydrogen production by-product oxygen such as wind-powered electricity generation, solar power generation;2. Ke
Carry out Pu unit generating oxygen processed.
The method and commercial plant of above-mentioned zero-emission, the purposes of carbon dioxide:1. normal usage;2. underground, ocean landfill,
And extract out recycle when needed;3. stereo farm, three-dimensional pasture, three-dimensional tea plantation use;The present invention be applied to have calcining heating,
The occasion of reducing atmosphere, the heating of reduction protection atmosphere, including non-ferrous metal, ferrous metal, cement, lime, with carbonate
For the production of raw material, isolation air calcination product, cogeneration, low-temperature heat quantity recovery, the production of peace hydrogen production, titanium dioxide
The recovery of carbon.
The present invention is carried out to a variety of traditional handicraft devices such as existing lime production, blast furnace, manufacture of cement, calcium carbide productions
Improve, make it on the basis of keeping original production function constant, moreover it is possible to change production model and carry out feature gasification, so as to real
A variety of traditional products such as lime, the pig iron, cement, calcium carbide are showed with pacifying hydrogen production, carbon dioxide and the Poly-generation of electric power, there is production
The advantages of quality is high, good in economic efficiency;And by further setting Ke Laipu units, the waste heat of process units is made full use of,
Improve the thermal efficiency, good energy-conserving effect.The present invention not only effectively removes the harmful substance in flue gas simultaneously, has also reclaimed whole two
Carbonoxide, be advantageous to environment protection, clean environment firendly.
Brief description of the drawings
Fig. 1 is the method for zero-emission of the present invention and the schematic flow sheet of commercial plant;
Fig. 2 is the schematic flow sheet of another embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the third embodiment of the invention;
Fig. 4 is the schematic flow sheet of the 4th kind of embodiment of the invention;
Fig. 5 is the schematic flow sheet of the 5th kind of embodiment of the invention;
Fig. 6 is the schematic flow sheet of the 6th kind of embodiment formula of the invention;
Fig. 7 is the schematic flow sheet of the 7th kind of embodiment of the invention;
Fig. 8 is the schematic flow sheet of the 8th kind of embodiment of the invention;
Fig. 9 is the schematic flow sheet of the 9th kind of embodiment of the invention;
Figure 10 is the schematic diagram of Ke Laipu units;
Figure 11 is the schematic diagram of peace hydrogen production unit;
Figure 12 is the structural representation of partition rotary kiln;
Figure 13 is the schematic flow sheet of the tenth kind of embodiment of the present invention;
Figure 14 is a kind of schematic diagram that Ke Laipu units set up organic Rankine bottoming cycle low-temperature cogeneration device;
Figure 15 is another schematic diagram that Ke Laipu units set up organic Rankine bottoming cycle low-temperature cogeneration device;
Figure 16 is the tenth a kind of schematic flow sheet of embodiment of the invention.
Wherein:1-partition rotary kiln, 2-waste heat power generation equipment, 3-Ke Laipu units, 4-conversion separation equipment, 5-
Carbon dioxide purification equipment, 6-peace hydrogen production unit, 7-beam type shaft furnace, 8-burning beam, 9-flue gas heat-exchange unit, 10-bis- thoraxes
Limekiln, 11-bulk lime silo, 12-middle lump lime storehouse, 13-fritter lime silo, 14-powder lime silo, 15-bulk are entered
It is former to be classified feeder, 20-lime stone for material mouth, 16-middle block charging aperture, 17-fritter charging aperture, 18-powder charging aperture, 19-
Feed bin, 21-decomposed gas outlet, 22-expanding machine, 23-generator, 24-partition calcining tonifying Qi entrance, 25-cycle heat exchange
Medium pipeline, 26-hydrogen heat compression device, 27-resuperheater, 28-fuel inlet, 29-bottom gas cooled nozzle,
30-feature gasification burner tip, 31-charge door, 32-blast furnace, 33-rotary kiln, 34-feed preheater, 35-function
Property gasification furnace, 36-reactor product cooler, 37-harmful substance removal equipment, the outlet of 38-fuel lime-ash, 39-differential pressure power generation sets
Standby, 40-two hydrogen abstraction reaction device, 41-metal hydride more changing devices, 42-weary metal hydride container, 43-saturation
Metal hydride container, 44-sleeve kiln, 45-heat conduction oil circuit piping, 46-burner, 47-ash-dregs cooler, 48-it is close
Joint sealing, 49-carbon dioxide finished pot, 50-inner cylinder, 51-kiln thorax, the resistance to material of 52-support, 53-material channel, 54-outer barrel,
55-shaft furnace, 56-condenser, 57-working medium pump, 58-evaporator.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in detail.The scope of the present invention is not limited to embodiment,
Those skilled in the art make any change in the range of claim restriction and fall within the scope of protection of the invention.
Embodiment 1
Zero-emission commercial plant of the present invention is as shown in figure 1, production active lime, carbon dioxide, peace hydrogen production and electric power output are same
When by-product coal ash and sulfur-bearing product, including partition rotary kiln 1, raw limestone storehouse 20, lime silo, coke powder pipeline and pure oxygen pipe
Road, partition rotary kiln are provided with charging aperture, discharging opening, exhanst gas outlet and fuel lime-ash outlet 38, and combustion apparatus is burner 46.Partition
Rotary kiln 1 is four-part form partition rotary kiln, and each section is respectively equipped with charging aperture, discharging opening, partition rotary kiln tonifying Qi entrance 24 and point
Solve gas vent 21.Charging aperture includes bulk charging aperture 15, middle piece of charging aperture 16, fritter charging aperture 17 and powder charging aperture 18,
Discharging opening includes bulk discharging opening, middle piece of discharging opening, fritter discharging opening and discharge of fine material mouth.Raw limestone storehouse 20 passes through classification
Charging aperture is connected to after carbon dioxide tail gas heat exchange caused by feeder 19 and lime burning, discharging opening is connected to lime silo.
The static and dynamic sealing part flap being connected with kiln head cover, kiln hood is externally provided with carbon dioxide seal box 48, the pressure of seal box
Higher than the kiln inner pressure of partition rotary kiln, ensure that the gas in partition rotary kiln effectively completely cuts off with outside air.Partition rotary kiln
Ke Laipu units 3, conversion separation equipment 4, carbon dioxide purification equipment 5, harmful substance removal equipment 37 and peace hydrogen life are provided with afterwards
Produce unit 6.Fuel conduit and pure oxygen pipeline are connected to the burner 46 of partition rotary kiln.Exhanst gas outlet by waste heat power generation equipment 2,
Harmful substance removal equipment 37 and Ke Laipu units are connected with conversion separation equipment 4.Ke Laipu units 3 are divided into two-way after coming out,
Carbon dioxide purification equipment 5 is connected to all the way, is connected to conversion separation equipment 4 all the way.Conversion separation equipment is provided with hydrogen outlet
And carbon dioxide outlet, hydrogen outlet are connected to peace hydrogen production unit 6, carbon dioxide outlet is connected to carbon dioxide purification equipment
5 and the fuel conveying gas entrance and combustion-supporting gas pipeline of burner.Coke powder pipeline is connected to the fuel conveying gas entrance of combustion apparatus,
The outlet of carbon dioxide purification equipment is connected to food-grade or industrial grade carbon-dioxide finished pot 49.Ke Laipu units pass through circulating picture-changing
Heat medium pipeline 25, with pacifying hydrogen production unit 6, bulk lime silo 11, middle lump lime storehouse 12, fritter lime silo 13, powder lime
Storehouse 14, and conversion separation equipment 4 connect form circulation loop respectively, reclaim the waste heat of these equipment:Pacify magnesium in hydrogen production unit 6
It is that metal inhales hydrogen liberated heat, the sensible heat of four lime silo high temperature products, converts carbon monoxide in separation equipment 4 and steamed with water
Solid/liquid/gas reactions generate the chemical reaction heat that carbon dioxide and hydrogen are released.The cycle heat exchange medium pipeline 25 of Ke Laipu units connection
For cycle heat exchange medium using the low temperature exhaust gas after heat exchange, main component is carbon monoxide or carbon dioxide.Low-temperature circulating heat exchange is situated between
Matter comes out from Ke Laipu units, through peace hydrogen production unit 6, bulk lime silo 11, middle lump lime storehouse 12, fritter lime silo 13,
Powder lime silo 14, and conversion separation equipment 4, after the waste heat heat exchange heating for reclaiming these equipment, return to Ke Laipu units.
A kind of condition of production of partition rotary kiln 1 is:The combustion-supporting gas of burner 46 is gaseous mixture, mixed proportion oxygen: two
Carbonoxide 99: 1, coke powder carry out feature gasification by carbon dioxide wind model to burner, and feature gasification is exactly raw material coke powder
With gasifying agent pure oxygen in partition rotary kiln imperfect combustion generation carbon monoxide and other gases on a small quantity, portion can be added during gasification
Divide carbon dioxide as diluent;And the multiple functions of lime calcining, temperature control and deslagging are realized while completing and gasifying.
Gasification temperature is 1430 DEG C, and the temperature of the kiln exit gas after calcining is up to 1000 DEG C, exhanst gas outlet by waste heat power generation equipment 2,
It is connected after harmful substance removal equipment 37 with Ke Laipu units 3, conversion separation equipment 4 is connected to after being come out from Ke Laipu units 3.
Ke Laipu units are connected to partition calcining tonifying Qi entrance 24, and calcined by rotary kiln tail gas extracts after Ke Laipu unit recovery waste heats
Part low temperature exhaust gas gives lime burning tonifying Qi, and air compensation is 1% or so of limestone calcination generation tail gas amount, low supplemented with part
After warm tail gas, the calcining of lime stone is carried out under carbon monoxide, hydrogen atmosphere, improve Activity of Lime, calcinating speed and forge
Burn quality.
Another condition of production of partition rotary kiln 1 is:Coke powder and pure oxygen gaseous mixture(Mixed proportion oxygen: carbon dioxide
30∶70)Completely burned generates carbon dioxide in burner, produces 1500 DEG C of high temperature, and the temperature of the kiln exit gas after calcining is up to
1050 DEG C, exhanst gas outlet is come by being connected after waste heat power generation equipment 2, harmful substance removal equipment 37 with Ke Laipu units 3 from Ke
Pu unit 3 is directly connected to carbon dioxide purification equipment 5 after coming out, without using conversion separation equipment 4, peace hydrogen production unit 6.Carry
Carbon dioxide after pure enters finished pot all the way, and another way is connected to the fuel conveying gas entrance and combustion-supporting gas pipeline of burner.
The running of zero-emission commercial plant of the present invention is:Lime stone in raw limestone storehouse 20 is sent through conveying equipment
To classification feeder 19, according to grade classification respectively through bulk charging aperture 15, middle piece of charging aperture 16, fritter charging aperture 17 and powder
Charging aperture 18, after being exchanged heat with calcining and decomposing gas high temperature carbon dioxide, into the annular materials space of each intersegmental wall rotary kiln.Bulk
The particle diameter of lime stone is 1~5mm, and middle lump lime stone particle diameter is 50 mesh~1mm, and the particle diameter of fritter lime stone is 50~100 mesh, powder
The particle diameter of material is below 100 mesh.Purity oxygen and carbon dioxide mix ratio oxygen: carbon dioxide 99: 1, it is combustion-supporting into burner, by
Carbon dioxide is conveying power wind, and conveying coke powder fuel enters burner combustion and carries out feature gasification, and calcining and gasification are entered simultaneously
OK, 1430 DEG C of high temperature are produced, the limestone material in each section of annular materials space of calcining partition rotary kiln, lime is through each discharging opening
Into the product storehouse of each grade.Caused decomposition gas is through each section of decomposed gas outlet 21 in calcination process, into titanium dioxide
Carbon equipment for purifying 5 purifies.The outlet temperature of burner hearth flue gas after calcining is up to 1000 DEG C, through exhanst gas outlet to waste heat power generation equipment
Generate electricity, the flue gas after generating is sent out after harmful substance removal equipment deviates from harmful substance to Ke Laipu units using low-temperature heat source
Electricity, it is defeated outside electricity to be connected to the grid.The gas for leaving Ke Laipu units isolates hydrogen and titanium dioxide to conversion separation equipment 4
Carbon, the hydrogen separated are partly into carbon dioxide purification through pacifying hydrogen production unit production peace hydrogen production, the carbon dioxide separated
Equipment 5, go out device as industrial grade carbon-dioxide after purification, a part is to pure oxygen pipeline regulation combustion-supporting gas oxygen content, with control
Calcining heat processed, some provides power wind to fuel pump deliver line for coke powder conveying.The circulation of Ke Laipu units connection
The cycle heat exchange medium of heat transferring medium pipeline 25 is the low temperature exhaust gas after heat exchange, and calcined by rotary kiln tail gas reclaims through Ke Laipu units
After waste heat, part low temperature exhaust gas gives cycle heat exchange medium, and main component is carbon monoxide or carbon dioxide.Low-temperature circulating heat exchange is situated between
Matter comes out from Ke Laipu units, individually by peace hydrogen production unit 6, bulk lime silo 11, middle lump lime storehouse 12, fritter stone
Ash silo 13, powder lime silo 14, and conversion separation equipment 4, after the waste heat heat exchange heating for reclaiming these equipment, it is mono- to return to Ke Laipu
Member, heat is generated electricity to Ke Laipu units.The fuel of partition rotary kiln 1 is transferred heat to by partition in middle hearth combustion
Raw limestone in annular space is calcined, because the continuous rotation of rotary kiln makes material thermally equivalent, and by feeding
End is slowly flowed to discharge end, is discharged after the completion of calcining.Combustion space separates with calcination space, can produce high-purity not by cigarette
The high-quality lime of gas pollution.The partition space of partition rotary kiln is divided into four sections, it is therefore an objective to calcines the lime of different-grain diameter respectively
Stone raw material, bulk lime stone pass in high temperature section calcining, middle fritter in medium temperature section calcining, powder in low temperature section calcining, effective utilize
The hot temperature difference and heat grade.Waste heat power generation equipment 2 mainly includes steam boiler, steam turbine and generator, and running is steam
The waste heat of boiler recovery partition 1000 DEG C of burner hearth flue gases of rotary kiln produces precritical high temperature and high pressure steam, and pushing turbine drives
Electrical power generators are respectively or in parallel outer defeated with the electricity of Ke Laipu units 3.
As shown in Figure 10, Ke Laipu units include expanding machine 22, generator 23, hydrogen heat compression device 26 and resuperheat
Device 27.Expander outlet is connected to expander inlet by hydrogen heat compression device, and expanding machine is connected with generator shaft, generator
It is connected with external power circuit system.Ke Laipu units are using the principle of cogeneration:Pass through cycle heat exchange medium pipeline 25
Cycle heat exchange medium, by the waste heat recovery in device and exchange heat to hydrogen heat compression device 26 and resuperheater 27.Hydrogen
As acting medium, generation metal hydride is reacted in hydrogen heat compression device 26 with rare earth metal under low-temp low-pressure, should
The hydrogen of releasing HTHP after metal hydride is heated, promotes expanding machine acting to generate electricity, is extracted out in expansion process in centre again
Heating improves the acting ability of hydrogen in hot device 27, and the low-temp low-pressure hydrogen after the acting come out from expanding machine returns to hydrogen hot pressing
Contracting equipment 26 inhales hydrogen recycling again.Hydrogen heat compression device 26 has six hydrogen heat compression reactors, every alternately inhale hydrogen,
Put hydrogen.
In actual production, Ke Laipu units can also be transformed to diversified forms, such as cascade utilization form or set up organic bright
Agree the form of circulation low-temperature cogeneration device, guarantee the waste heat source using various temperature.So-called cascade utilization form is
Refer to the hydrogen heat compression device 26 and be provided with 2~100 groups of metal hydride reaction beds, the metal hydride reaction bed is in low temperature
Lower absorption low pressure hydrogen, releases high pressure hydrogen at high temperature;2~100 groups of metal hydride reaction beds are arranged to multistage, often
Level at least 2 groups of metal hydride reaction beds, the hydrogen discharging temperature of upper level metal hydride reaction bed are higher than next stage metallic hydrogen
The hydrogen discharging temperature of compound, the suction hydrogen temperature of upper level is also above the suction hydrogen temperature of next stage, upper level metal hydride reaction bed
Liberated heat supply next stage metal hydride reaction bed uses when inhaling hydrogen, realizes the cascade utilization of heat;The expanding machine
22 be multiple expansion engine, is provided with bleeding point and air inlet per one-level, the outlet port of upper level is connected to by resuperheater 27
The air inlet of next stage.
Ke Laipu units set up organic Rankine bottoming cycle low-temperature cogeneration device, further improve efficiency;Organic Rankine follows
Ring low-temperature cogeneration device includes evaporator 58, expanding machine 22, condenser 56, working medium pump 57 and generator 23, using low boiling
Point organic matter is as working medium;Heat needed for evaporator 58 comes from liberated heat and flue gas when metal hydride reaction bed inhales hydrogen
Low temperature exhaust heat;The outlet of evaporator 58 is connected to the entrance of expanding machine 22, and the outlet of expanding machine 22 is connected to the entrance of condenser 56, condensed
The outlet of device 56 is connected to the entrance of evaporator 58, expanding machine 22 and the axis connection of generator 23 by working medium pump 57.Organic Rankine bottoming cycle
The expanding machine and generator of potential temperature device for generating power by waste heat are independently arranged as shown in figure 14, or as shown in figure 15 with Ke Laipu units
Original expanding machine and generator share.When sharing, expanding machine 22 sets up one-level organic working medium compressor and one-level organic working medium
Expanding machine, after the organic working medium steam come out from evaporator is introduced into the compression of organic working medium compressor, then to be sent to organic working medium swollen
Swollen machine expansion work, the organic working medium steam after acting send back to condenser recycling.
As shown in figure 11, hydrogen production unit 6 is pacified, including it is two hydrogen abstraction reaction devices 40, metal hydrides more changing device 41, weary
Metal hydride container 42 and saturation metal hydride container 43.Hydrogen abstraction reaction device is equipped with using magnesium metal as main component
Metal hydrogen storage material.Hydrogen abstraction reaction device is connected to form circulation loop by cycle heat exchange medium pipeline 25 with Ke Laipu units 3, and two
Platform hydrogen abstraction reaction device metal hydride outlet by metal hydride more changing device respectively with weary metal hydride container 42
Connected with saturation metal hydride container 43.Pacifying the operation principle of hydrogen production unit 6 is:Hydrogen source is in the change of each process units
Change separation equipment 4, the weary metal hydride in weary metal hydride container, reclaimed from user using hydrogen Posterior circle
Metal, hydrogen and weary metal hydride are added in hydrogen abstraction reaction device 40, allow weary metal hydride to absorb hydrogen reaction production
Saturation metal hydride, the saturation metal hydride of production are added in saturation metal hydride container 43, use protective gas
User's use is transported in sealing, and hydrogen abstraction reaction process releases substantial amounts of heat, by the cycle heat exchange in cycle heat exchange medium pipeline 25
Medium indirect heat exchange is taken out of, exchanges heat and is generated electricity to Ke Laipu units 3.The cycle heat exchange medium can also be hydrogen, direct heat transfer band
Go out hydrogen abstraction reaction process liberated heat, exchange heat and generated electricity to Ke Laipu units 3.The effect of metal hydride more changing device 41 is,
By air-flow conveying by weary metal hydride from weary metal hydride container 42 extract out after Alternating Transportation to two hydrogen abstraction reactions
In device 40, and saturation metal hydride is conveyed by air-flow and extracts Alternating Transportation out from two hydrogen abstraction reaction devices 40 to saturation gold
Belong to hydride container 43.
When the magnesium system metal hydride produced by peace hydrogen production unit 6, the releasing of its hydrogen when in use uses following
One mode:First, release hydrogen after magnesium system metal hydride is heated into design temperature;Second, heating while add water or
Water vapour releases hydrogen as auxiliary agent;Third, once put after hydrogen is decomposed into magnesium simple substance magnesium system metal hydride is heated, then
Fill into water or water vapour and the reaction of magnesium simple substance and produce hydrogen and carry out secondary putting hydrogen.
Embodiment 2
Second of embodiment of the invention is as shown in Fig. 2 production lime, carbon dioxide, peace hydrogen production and electric power output are simultaneously secondary
Producing coal lime-ash and sulfur-bearing product, including rotary kiln 33, feed preheater 34, lime silo, reactor product cooler 36, raw material cabin, fuel
It is pipeline, pure oxygen pipeline, waste heat power generation equipment 2, Ke Laipu units 3, conversion separation equipment 4, carbon dioxide purification equipment 5, harmful
Devolatilization equipment 37 and peace hydrogen production unit 6.To produce the rotary kiln of lime, rotary kiln is provided with charging aperture 31, gone out rotary kiln
Material mouth and exhanst gas outlet, raw material cabin are connected by feed preheater with charging aperture, and discharging opening is connected to stone by reactor product cooler
Ash silo.Carbon dioxide seal box is externally provided with the static and dynamic sealing part flap being connected with kiln head cover, kiln hood, seal box
Pressure is higher than the kiln inner pressure of partition rotary kiln, ensures that the gas in rotary kiln effectively completely cuts off with outside air.Coke powder fuel and
Pure oxygen feature gasification in burner produces 1600 DEG C of high temperature, and 900 DEG C of flue gases in rotary kiln after calcined limestone are through original
Expect preheater, generated electricity to waste heat power generation equipment 2 after preheating material, then through harmful substance removal equipment scrubbing CO_2, lack
Temperature is down to 300 DEG C after amount nitrogen oxides and dust, is generated electricity into Ke Laipu units.It is 70 DEG C to leave Ke Laipu cell temperatures
Flue gas, carbon dioxide and hydrogen are converted carbon monoxide into conversion separation equipment 4, and isolate hydrogen and carbon dioxide.
Ke Laipu units pass through cycle heat exchange medium pipeline 25 and peace hydrogen production unit 6, reactor product cooler 36 and conversion separation equipment 4
Connection forms circulation loop respectively, reclaims the waste heat of these equipment:Pacify the magnesium system metal of hydrogen production unit 6 and inhale hydrogen liberated heat;
The sensible heat of high-temperature product after reactor product cooler 36 is calcined, convert carbon monoxide and vapor reaction generation dioxy in separation equipment 4
Change the chemical heat that carbon and hydrogen are released.Raw limestone, into lime rotary kiln 33, has been calcined after the preheating of feed preheater 34
Enter into rear product after reactor product cooler 36 cools down and discharge, other flows and operation are same as Example 1.
Embodiment 3
The third embodiment of the invention is as shown in figure 3, production clinker, carbon dioxide, peace hydrogen production and electric power output are same
When by-product coal ash and sulfur-bearing product, including rotary kiln 33, feed preheater 34, clinker storehouse, reactor product cooler 36, raw material
Storehouse, fuel conduit, pure oxygen pipeline, Ke Laipu units 3, conversion separation equipment 4, carbon dioxide purification equipment 5, harmful substance removal
Equipment 37 and peace hydrogen production unit 6.Rotary kiln for production clinker rotary kiln, rotary kiln be provided with charging aperture, discharging opening and
Exhanst gas outlet, raw material cabin are connected by feed preheater with charging aperture, and discharging opening is connected to clinker by reactor product cooler
Storehouse.Carbon dioxide seal box, the pressure of seal box are externally provided with the static and dynamic sealing part flap being connected with kiln head cover, kiln hood
Power is higher than the kiln inner pressure of partition rotary kiln, ensures that the gas in rotary kiln effectively completely cuts off with outside air.Coke powder fuel and pure
Oxygen gas mixture(Mixed proportion oxygen: carbon dioxide 30: 70)Completely burned produces 1600 DEG C of high temperature in rotary kiln burner,
1050 DEG C of flue gas in rotary kiln after calcining production clinker is through feed preheater, through harmful substance removal after preheating material
Temperature is down to 300 DEG C after equipment scrubbing CO_2, a small amount of nitrogen oxides and dust, is generated electricity into Ke Laipu units.Leave
Ke Laipu cell temperatures are 70 DEG C of flue gas, and carbon dioxide and hydrogen are converted carbon monoxide into conversion separation equipment 4, and
Isolate hydrogen and carbon dioxide.Purity oxygen and carbon dioxide mix ratio oxygen: carbon dioxide 99: 1, into feed preheater
34 burner is as gasifying agent, and using carbon dioxide as conveying power wind, conveying coke powder fuel enters burner and carries out function another way
Property gasification, heating lime stone raw material carry out predecomposition, increase device calorific intensity improve yield.
The running of the clinker process units is:Cement raw material enter feed preheater 34 exchange heat after, into return
The kiln thorax of rotary kiln, the lime product after the completion of calcining discharge after entering reactor product cooler cooling.Pure oxygen gaseous mixture(Mixed proportion oxygen
Gas: carbon dioxide 30: 70)Completely burned produces 1600 DEG C of high-temperature flue gas based on carbon dioxide in rotary kiln burner,
1050 DEG C of flue gas in rotary kiln after calcining production clinker is through feed preheater, preheating material.Another operating mode is pure
Oxygen gas mixture(Mixed proportion oxygen: carbon dioxide 99: 1)The cigarette of feature gasification is carried out in rotary kiln burner with coke powder fuel
Gas is based on carbon monoxide and carbon dioxide.Purity oxygen and carbon dioxide mix ratio oxygen: carbon dioxide 99: 1, into raw material
The burner of preheater 34 is as gasifying agent, and using carbon dioxide as conveying power wind, conveying coke powder fuel enters another way into burner
Row feature gasifies, and heating lime stone raw material carries out predecomposition.Rotary kiln burner and feed preheater burner 46 can be single respectively
Solely use, rotary kiln and preheater burner 46 can also be replaced like that similar to Fig. 4 features gasification furnace 35.Go out feed preheater
Flue gas temperature after harmful substance removal equipment scrubbing CO_2, a small amount of nitrogen oxides and dust is down to 300 DEG C, into Ke
Carry out Pu unit to generate electricity.The flue gas that Ke Laipu cell temperatures are 70 DEG C is left, is converted carbon monoxide into conversion separation equipment 4
Carbon dioxide and hydrogen, and isolate hydrogen and carbon dioxide.The carbon dioxide separated is partly into carbon dioxide purification and set
Standby 5, go out device as industrial grade carbon-dioxide after purification, a part is to pure oxygen pipeline regulation combustion-supporting gas oxygen content, with control
Calcining heat, some provides power wind to fuel pump deliver line for coke powder conveying.The circulating picture-changing of Ke Laipu units connection
The cycle heat exchange medium of heat medium pipeline 25 be heat exchange after low temperature exhaust gas, calcined by rotary kiln tail gas through Ke Laipu units reclaim more than
After heat, part low temperature exhaust gas gives cycle heat exchange medium, and main component is carbon monoxide or carbon dioxide.Low-temperature circulating heat transferring medium
Come out from Ke Laipu units, individually by peace hydrogen production unit 6, reactor product cooler 36, and conversion separation equipment 4, recovery
After the waste heat heat exchange heating of these equipment, Ke Laipu units are returned, heat is outer defeated to the generating of Ke Laipu units.Other flows and
Operate same as Example 1.
Embodiment 4
4th kind of embodiment of the invention is as shown in figure 4, production calcium carbide calcium carbide, carbon dioxide, peace hydrogen production and electric power output
By-product coal ash and sulfur-bearing product simultaneously, including rotary kiln 33, feed preheater 34, feature gasification furnace 35, ash-dregs cooler
47th, carbide raw material storehouse, calcium carbide storehouse, fuel conduit, pure oxygen pipeline, Ke Laipu units 3, reactor product cooler 36, conversion separation equipment
4th, carbon dioxide purification equipment 5, harmful substance removal equipment 37 and peace hydrogen production unit 6.Rotary kiln turns round for zero-emission calcium carbide
Kiln, zero-emission calcium carbide rotary kiln is provided with carbide raw material charging aperture and calcium carbide exports.It is close in the sound being connected with kiln head cover, kiln hood
Sealing flap is externally provided with carbon dioxide seal box, and the pressure of seal box is higher than the kiln inner pressure of partition rotary kiln, ensures
Gas in zero-emission calcium carbide rotary kiln effectively completely cuts off with outside air.Fuel conduit and pure oxygen pipeline are connected to feature gasification
Stove, feature gasification furnace are connected to the burner hearth of rotary kiln.The feature gasification in burner of coke powder fuel and pure oxygen produces 2300 DEG C
High temperature, in rotary kiln calcining production calcium carbide after 1300 DEG C of flue gases, through feed preheater 34 preheat carbide raw material after, 1000
DEG C flue gas generated electricity through waste heat power generation equipment 2, then through harmful substance removal equipment scrubbing CO_2, a small amount of nitrogen oxides and
Temperature is down to 300 DEG C after dust, is generated electricity into Ke Laipu units.The flue gas that Ke Laipu cell temperatures are 70 DEG C is left, into change
Change separation equipment 4 and convert carbon monoxide into carbon dioxide and hydrogen, and isolate hydrogen and carbon dioxide.Calcium carbide is cold through product
But device 36 arrives calcium carbide storehouse after cooling down.Ke Laipu units pass through cycle heat exchange medium pipeline 25 and peace hydrogen production unit 6, product cooling
Device 36, ash-dregs cooler 47 and conversion separation equipment 4 connect form circulation loop respectively, reclaim the waste heat of these equipment:An Qing
The magnesium metal system metal of production unit 6 inhales hydrogen liberated heat, the sensible heat and heat of solidification of high-temperature product after reactor product cooler 36 is calcined,
The sensible heat and heat of solidification of the lime-ash of ash-dregs cooler 47, convert carbon monoxide and vapor reaction generation titanium dioxide in separation equipment 4
The chemical heat that carbon and hydrogen are released.After the cycle heat exchange medium of the cycle heat exchange medium pipeline 25 of Ke Laipu units connection is heat exchange
Low temperature exhaust gas, zero-emission calcium carbide calcined by rotary kiln tail gas after Ke Laipu unit recovery waste heats, part low temperature exhaust gas to circulation
Heat transferring medium, main component are carbon monoxide or carbon dioxide.Low-temperature circulating heat transferring medium comes out from Ke Laipu units, single respectively
Solely by peace hydrogen production unit 6, reactor product cooler 36, and conversion separation equipment 4, ash-dregs cooler 47, these equipment are reclaimed
After waste heat heat exchange heating, Ke Laipu units are returned, heat is outer defeated to the generating of Ke Laipu units.Feature gasification furnace is a kind of logical
Cross pure oxygen and the coke powder imperfect combustion in gasification furnace and produce high temperature of the substantial amounts of heat formation using carbon monoxide as main component
Mixed gas, supply next industrial furnace and heated or reduction reaction or the equipment that protectiveness heating process can also be carried out, together
When the liquid lime-ash of fuel is discharged out of the furnace in feature gasification furnace.Other flows and operation are same as Example 3.
Embodiment 5
5th kind of embodiment of the invention is as shown in figure 5, producing the pig iron, carbon dioxide, pacifying hydrogen production and electric power output, while pair
Producing coal lime-ash and sulfur-bearing product, including rotary kiln 33, feed preheater 34, feature gasification furnace 35, ash-dregs cooler 47, ironmaking
Raw material cabin, fuel conduit, pure oxygen pipeline, Ke Laipu units 3, reactor product cooler 36, conversion separation equipment 4, carbon dioxide purification
Equipment 5, harmful substance removal equipment 37 and peace hydrogen production unit 6.Rotary kiln is that the pig iron produces rotary kiln, and rotary kiln is provided with raw material
Charging aperture and pig iron outlet.Fuel conduit and pure oxygen pipeline are connected to feature gasification furnace, and feature gasification furnace is connected to revolution
The burner hearth of kiln.The feature gasification in feature gasification furnace 35 of coke powder fuel and pure oxygen produces 2000 DEG C of high temperature, in rotary kiln
1000 DEG C of flue gases after interior calcining production molten iron, after feed preheater 34 preheats pig iron raw material, 600 DEG C of flue gas is sent out through waste heat
Electric equipment 2 is generated electricity, and then temperature is down to after harmful substance removal equipment abjection sulfur dioxide, a small amount of nitrogen oxides and dust
300 DEG C, generated electricity into Ke Laipu units.It is 70 DEG C of flue gas to leave Ke Laipu cell temperatures, into conversion separation equipment 4 by one
Carbon oxide conversion isolates hydrogen and carbon dioxide into carbon dioxide and hydrogen.Molten iron arrives after the cooling of reactor product cooler 36
Product storehouse.Iron-smelting raw material using sponge iron, iron ore pellet, sintering deposit, oxidation iron ore or iron oxide miberal powder one or more as
The raw material of key component.The other flows of the present embodiment are same as Example 4.
Embodiment 6
6th kind of embodiment of the invention is as shown in fig. 6, production active lime, carbon dioxide, peace hydrogen production and electric power output are same
When by-product coal ash and sulfur-bearing product, including beam type shaft furnace 7, fuel conduit, pure oxygen pipeline, carbon monoxide supplement pipeline, product
Cooler, flue gas heat-exchange unit 9, Ke Laipu units 3, conversion separation equipment 4, carbon dioxide purification equipment 5, harmful substance removal are set
Standby 37, feature gasification furnace 35 and peace hydrogen production unit 6.Beam type shaft furnace is provided with burning beam 8 and bottom gas cooled nozzle 29, combustion
Burn beam and be provided with Heat-conduction oil circulation system 45, for cooling down beam body.The exhanst gas outlet of beam type shaft furnace is by flue gas heat-exchange unit 9 and is harmful to
Devolatilization equipment 37 is divided into three tunnels, is connected to carbon dioxide purification equipment 5 all the way, is connected to converts separation equipment 4 all the way, and one
Road is that carbon monoxide supplement pipeline is connected to bottom gas cooled nozzle 29, and three tunnels are respectively equipped with valve.Purity oxygen and titanium dioxide
Carbon mixed proportion oxygen: carbon dioxide 98: 2, entered function gasification furnace 35 are used as gasifying agent, and another way is using carbon dioxide as conveying
Power wind, conveying coke powder entered function gasification furnace 35 carry out feature gasification, 1350 DEG C of high temperature are produced, inside burning beam
Enter lime burning in limekiln along downward or two sides spout, then produce 350 DEG C of flue gas and enter flue gas heat-exchange unit 9,
By being connected after harmful substance removal equipment 37 with conversion separation equipment 4.When pure oxygen mixture in burning beam 8(Mixed proportion oxygen
Gas: carbon dioxide 25: 75)When carrying out completely burned generation carbon dioxide with coke powder, tail gas is based on carbon dioxide, by harmful
Dotted line is walked after devolatilization equipment 37 to be connected with carbon dioxide purification equipment 5, it is single without using conversion separation equipment 4 and peace hydrogen production
Member 6.Carbon dioxide purification equipment 5 exports is connected to technical grade or food-grade carbon-dioxide storage tank, another way are connected to beam all the way
Combustion-supporting gas pipeline, fuel pump deliver line and the bottom gas cooled nozzle of formula shaft furnace, combustion-supporting gas pipeline, fuel pump deliver line
Burning beam 8 is connected to by feature gasification furnace 35.Burning beam is connected shape by heat conduction oil circuit piping 45 with Ke Laipu units 3
Into circulation loop, to prevent burning beam overtemperature from being cooled down with conduction oil, the heat of cooling carrys out pump apparatus recovery to Ke and generated electricity.Burning beam
190 DEG C of conduction oils of high temperature enter Ke Laipu units and heat is transmitted to Ke carrys out pump apparatus and the temperature of conduction oil is reduced to 180 DEG C,
The conduction oil of 180 DEG C of low temperature is delivered in burning beam again.Ke Laipu units by cycle heat exchange medium pipeline 25, respectively with cigarette
Gas heat exchanger 9, conversion separation equipment 4, peace hydrogen production unit 6, ash-dregs cooler 47 and the connection of reactor product cooler 36 form circulation
Loop, reclaim the waste heat of these equipment:The waste heat of the product tail gas of flue gas heat-exchange unit 9;Convert carbon monoxide and water in separation equipment 4
Vapor reaction generates the chemical heat that carbon dioxide and hydrogen are released;Pacify magnesium system metal in hydrogen production unit 6 and inhale hydrogen liberated heat;
The sensible heat and condensation heat of the lime-ash of ash-dregs cooler 47;The sensible heat of the high-temperature product of reactor product cooler 36.Feature gasification furnace 35 can be with
It is used alone, feature gasification furnace 35, coke powder and pure oxygen gaseous mixture can also be replaced like that similar to Fig. 3 feed preheaters burner 46
Go out and light from downward and two side sprays of burning beam, bring coke powder ash content into product.When pure oxygen gaseous mixture in burner 46(Mixing ratio
Example oxygen: carbon dioxide 25: 75)When carrying out completely burned generation carbon dioxide with coke powder, tail gas is passed through based on carbon dioxide
Walk dotted line after harmful substance removal equipment 37 to be connected with carbon dioxide purification equipment 5, without using conversion separation equipment 4 and peace hydrogen life
Produce unit 6.When pure oxygen gaseous mixture in burner 46(Mixed proportion oxygen: carbon dioxide 50: 50)Feature gasification is carried out with coke powder
When generating carbon monoxide, tail gas is based on carbon monoxide and carbon dioxide, by harmful substance removal equipment 37, into conversion point
From two tunnels are divided into after equipment 4, carbon dioxide purification equipment 5 is connected to all the way, is connected to peace hydrogen production unit 6 all the way.Burning beam 8
Can be multilayer, every layer can be more, the bottom of burning beam 8 and dual side-edge can have nozzle.Feature gasification furnace 35 burns
Mouth 46 can be separately provided according to burning beam also can concentrated setting.Bottom gas cooled nozzle 29 and reactor product cooler 36, can be with
It is set simultaneously or individually.The other flows of the present embodiment are same as Example 5 with operating.
Embodiment 7
7th kind of embodiment of the invention is as shown in fig. 7, production active lime, carbon dioxide, peace hydrogen production and electric power output, bag
Include double-hearth lime kiln 10, flue gas heat-exchange unit 9, fuel conduit, carbon monoxide supplement pipeline, pure oxygen pipeline, Ke Laipu units 3, change
Change separation equipment 4, carbon dioxide purification equipment 5, harmful substance removal equipment 37 and peace hydrogen production unit 6.Double-hearth lime kiln is set
There is fuel(Coke powder is conveyed by tail gas carbon dioxide air-flow)Import 28 and bottom gas cooled nozzle 29.The cigarette of double-hearth lime kiln
Gas outlet is divided into three tunnels by flue gas heat-exchange unit 9 and harmful substance removal equipment, is connected to carbon dioxide purification equipment 5 all the way,
Conversion separation equipment 4 is connected to all the way, is that carbon monoxide supplement pipeline is connected to bottom gas cooled nozzle 29, three roads point all the way
She You not valve.The carbon dioxide outlet of conversion separation equipment is connected to carbon dioxide purification equipment 5 all the way, and another way is connected to
The bottom gas cooled nozzle 29 of double-hearth lime kiln and fuel inlet 28.The flue-gas temperature of double-hearth lime kiln exhanst gas outlet is 150
DEG C, it is reduced to 70 DEG C after the heat exchange of flue gas heat-exchange unit 9.Ke Laipu units are changed with flue gas respectively by cycle heat exchange medium pipeline 25
Hot device 9, conversion separation equipment 4, peace hydrogen production unit 6 and the connection of reactor product cooler 36 form circulation loop, reclaim these equipment
Waste heat:The waste heat of the calcining production product tail gas of flue gas heat-exchange unit 9;Carbon monoxide in separation equipment 4 is converted to react with vapor
Generate the chemical heat that carbon dioxide and hydrogen are released;Pacify magnesium system metal in hydrogen production unit 6 and inhale hydrogen liberated heat;Product cooling
The product sensible heat of high temperature after device 36 is calcined.Fuel is that coke powder is conveyed with carbon dioxide, into more spray guns inside double thorax kilns,
Pure oxygen mixed proportion oxygen: carbon dioxide 50: 50, feature gasification is carried out in burner hearth, tail gas main component is carbon monoxide
With the mixture of carbon dioxide.It is defeated outside Ke Laipu unit electricity to be connected to the grid.Another situation, fuel are coke powder dioxies
Change carbon conveying, into more spray guns inside double thorax kilns, pure oxygen mixed proportion oxygen: carbon dioxide 25: 75, in burner hearth completely
Burning, tail gas main component is carbon dioxide.By walking dotted line and carbon dioxide purification equipment 5 after harmful substance removal equipment 37
Connection, without using conversion separation equipment 4 and peace hydrogen production unit 6.The other flows of the present embodiment are same as Example 6 with operating.
Embodiment 8
8th kind of embodiment of the invention is as shown in figure 8, production active lime, carbon dioxide, peace hydrogen production and electric power output, bag
Include sleeve kiln 44, flue gas heat-exchange unit 9, fuel conduit, carbon monoxide supplement pipeline, pure oxygen pipeline, Ke Laipu units 3, conversion point
From equipment 4, carbon dioxide purification equipment 5, harmful substance removal equipment 37 and peace hydrogen production unit 6.Sleeve kiln is provided with upper and lower two
14 feature gasification burner tips 30 are arranged, 29,14 feature gasification burner tips of top-feed mouth 31 and bottom gas cooled nozzle enclose
It is uniformly distributed around sleeve kiln cylinder body.The exhanst gas outlet of sleeve kiln is divided into three by flue gas heat-exchange unit 9 and harmful substance removal equipment
Road, is connected to carbon dioxide purification equipment 5 all the way, is connected to conversion separation equipment 4 all the way, is carbon monoxide supplement pipeline all the way
Bottom gas cooled nozzle 29 is connected to, three tunnels are respectively equipped with valve.The carbon dioxide outlet of conversion separation equipment connects all the way
To carbon dioxide purification equipment 5, another way is connected to the bottom gas cooled nozzle 29 and feature gasification burner tip 30 of sleeve kiln.
Fuel is that coke powder is conveyed with carbon dioxide, entered function gasification burner tip 30, pure oxygen mixed proportion oxygen: carbon dioxide 50:
50, feature gasification is carried out in feature gasification burner tip 30, tail gas main component is the mixing of carbon monoxide and carbon dioxide
Thing.Another situation, fuel are that coke powder is conveyed with carbon dioxide, entered function gasification burner tip 30, pure oxygen mixed proportion oxygen
Gas: carbon dioxide 25: 75, the completely burned in burner hearth, tail gas main component are carbon dioxide.Pass through harmful substance removal equipment
Walk dotted line after 37 to be connected with carbon dioxide purification equipment 5, without using conversion separation equipment 4 and peace hydrogen production unit 6.Ke Laipu is mono-
Member by cycle heat exchange medium pipeline 25, respectively with flue gas heat-exchange unit 9, conversion separation equipment 4, peace hydrogen production unit 6 and product
The connection of cooler 36 forms circulation loop, reclaims the waste heat of these equipment:The calcining of flue gas heat-exchange unit 9 produces the remaining of product tail gas
Heat;Convert the chemical heat that carbon monoxide is released with vapor reaction generation carbon dioxide and hydrogen in separation equipment 4;Pacify hydrogen production
Magnesium system metal inhales hydrogen liberated heat in unit 6;The sensible heat of high-temperature product after reactor product cooler 36 is calcined.Ke Laipu units hair
It is defeated outside electric to be connected to the grid.The other flows of the present embodiment are same as Example 7 with operating.
Embodiment 9
9th kind of embodiment of the invention is as shown in figure 9, produce the pig iron, carbon dioxide, peace hydrogen production and electric power output, including refine
Iron blast furnace 32, Differential pressure power generation equipment 39, flue gas heat-exchange unit 9, reactor product cooler 36, coke powder pipeline, pure oxygen pipeline, Ke Laipu units
3rd, separation equipment 4, carbon dioxide purification equipment 5, harmful substance removal equipment 37 and peace hydrogen production unit 6 are converted.Blast furnace
It is connected provided with burner 46, molten iron outlet and charge door 31, burner with fuel conduit and pure oxygen pipeline.Blast furnace exhanst gas outlet leads to
Cross Differential pressure power generation equipment 39 and flue gas heat-exchange unit 9 is connected to harmful substance removal equipment 37, tail gas first carries out Differential pressure power generation and entered again
Row heat exchange.Conversion separation equipment 4 is connected to after harmful substance removal equipment scrubbing CO_2, a small amount of nitrogen oxides and dust,
Two tunnels of carbon dioxide outlet point of separation equipment 4 are converted, carbon dioxide purification equipment 5 is connected to all the way, is connected to pure oxygen all the way
Pipeline and coke powder transfer pipeline, hydrogen outlet are connected to peace hydrogen production unit 6.The effect for converting separation equipment 4 is by tail gas
Carbon monoxide and water reaction production carbon dioxide and hydrogen.Blast furnace air inlet adds carbon dioxide using oxygen, and fuel coke powder is with two
Carbonoxide delivers into burner 46, pure oxygen mixed proportion oxygen: carbon dioxide 70: 30, and feature gasification is carried out in burner 46,
So as to produce substantial amounts of carbon monoxide and the carbon dioxide of part be present, blast furnace tail gas main component is carbon dioxide and an oxidation
Carbon.Tail gas first carries out Differential pressure power generation and exchanged heat again.Harmful substance removal equipment scrubbing CO_2, a small amount of nitrogen oxides and powder
Dirt.The outlet of harmful substance removal equipment 37 sets carbon monoxide to supplement pipeline, and carbon monoxide supplement pipeline is connected to coke powder pipe
Road, the gas gross that pipeline into blast furnace 32 are supplemented by carbon monoxide is to enter to refine by coke powder pipeline and pure oxygen pipeline
The 30%-50% of total carbon dioxide capacity in iron blast furnace 32, for improving the atmosphere in kiln thorax, make distribution more reasonable, burning effect
Fruit is good, ensures product quality, obtains good economic effect.Ke Laipu units by cycle heat exchange medium pipeline 25, respectively with
Flue gas heat-exchange unit 9, conversion separation equipment 4, peace hydrogen production unit 6 and the connection of reactor product cooler 36 form circulation loop, reclaim this
The waste heat of a little equipment:The waste heat of the tail gas of flue gas heat-exchange unit 9;Convert carbon monoxide and vapor reaction generation two in separation equipment 4
The chemical heat that carbonoxide and hydrogen are released;Pacify magnesium system metal in hydrogen production unit 6 and inhale hydrogen liberated heat;Reactor product cooler 36 is forged
The sensible heat and condensation heat of high-temperature product after burning.Ke Laipu units electricity and the electricity of Differential pressure power generation equipment 39 are individually or in parallel outer
It is defeated.The other flows of the present embodiment are same as Example 8 with operating, the difference is that the outlet of harmful substance removal equipment 37 and conversion point
Connected from equipment 4, the pipeline not being directly connected to carbon dioxide purification equipment 5.
Pure oxygen pipeline in above-described embodiment 1-9 can be substituted by oxygen-enriched pipeline, and combustion-supporting gas is oxygen-enriched and carbon dioxide
Gaseous mixture, mixed proportion 0:100~100:0(Volume ratio), nitrogen and nitrogen oxides are by follow-up harmful substance removal
Equipment 37 removes.
Embodiment 10
Tenth kind of embodiment of the invention is as shown in figure 13, production active lime, carbon dioxide product and outer power power and combustion gas,
By-product coal ash and sulfur-bearing product simultaneously, including partition rotary kiln 1, shaft furnace 55, raw limestone storehouse 20, lime silo, product are cold
But device 36, Ke Laipu units 3, carbon dioxide purification equipment 5, coal dust pipeline and pure oxygen pipeline.Partition rotary kiln is such as embodiment 1
Structure, it is four-part form partition rotary kiln, combustion apparatus is burner 46, and each section is respectively equipped with charging aperture, discharging opening, partition calcining benefit
Gas entrance 24 and decomposed gas outlet 21, partition rotary kiln are provided with exhanst gas outlet, fuel lime-ash outlet 38.Decomposed gas outlet 21
Carbon dioxide purification equipment 5 is connected, carbon dioxide purification equipment 5 connects carbon dioxide finished pot 49.
Coal dust pipeline connects the burner of partition rotary kiln with pure oxygen pipeline, and coal dust pipeline uses air as conveying gas,
Pure oxygen pipeline can also use air as diluent, be mixed into oxygen rich gas supply burner, and the exhanst gas outlet of partition rotary kiln connects
Logical shaft furnace 55, the bottom of shaft furnace connect lime product storehouse by reactor product cooler 36, and the exhanst gas outlet at the top of shaft furnace passes through air inducing
It is divided into two-way after machine, connects gas collection tank all the way, store for future use;Another way leads back shaft furnace bottom as cooling gas.
Ke Laipu units by cycle heat exchange medium pipeline 25, respectively with bulk lime silo 11, middle lump lime storehouse 12, fritter
The connection of reactor product cooler 36 of lime silo 13, powder lime silo 14, shaft furnace forms circulation loop, reclaims the waste heat of these equipment:
Four lime silo high temperature product sensible heats, the product sensible heat of the high temperature of reactor product cooler 36.
The running of the present embodiment is:Lime stone in raw limestone storehouse 20 delivers to classification feeder through conveying equipment
19, according to grade classification respectively through bulk charging aperture 15, middle piece of charging aperture 16, fritter charging aperture 17 and powder charging aperture 18, with
After the heat exchange of calcining and decomposing gas high temperature carbon dioxide, into the annular materials space of each intersegmental wall rotary kiln.Coal dust is by air wind-force
Conveying, oxygen-enriched to carry out feature gasification in burner combustion with coal dust, feature gasification is exactly that raw material coal dust exists with gasifying agent pure oxygen
Imperfect combustion generation carbon monoxide and a small amount of other gases in partition rotary kiln, partial CO 2 gas can be added during gasification
As diluent;And the multiple functions of lime calcining, temperature control and deslagging are realized while completing and gasifying.Gasification temperature is 1430
DEG C, the limestone material in each section of annular materials space of calcining partition rotary kiln, lime enters the production of each grade through each discharging opening
Product storehouse.Caused decomposition gas carries through each section of decomposed gas outlet 21 into carbon dioxide purification equipment 5 in calcination process
It is pure.The temperature of kiln exit gas after calcining is up to 1000 DEG C and enters shaft furnace.Decomposition of limestone in shaft furnace is lime, and lime passes through
Lime silo is collected into after reactor product cooler.Flue gas at the top of shaft furnace is collected into gas cooling tank as fuel and stored for future use, separately
Extension gas is passed through shaft furnace bottom coohng lime.
The present embodiment midfeather passage can also be passed through other any materials, such as be used for smelt iron, carbonization of coal.When for
During carbonization of coal, coal dust is passed through in the partition passage of partition rotary kiln, the decomposition gas after pulverized coal coking is by decomposed gas outlet 21
After extraction, the kiln hood end where being introduced back the burner of partition rotary kiln enters kiln thorax adjustment atmosphere.Allow in raw limestone
Carbonaceous material is added, increases CO2The calorific value of gas during discharge.
Embodiment 11
Tenth a kind of embodiment of the invention is as shown in figure 16, production coke, coke powder, active lime, calcining and decomposing gas products
And power outside power and combustion gas, while by-product coal ash and sulfur-bearing product.Device include partition rotary kiln 1, shaft furnace 55, lime silo,
Reactor product cooler 36, Ke Laipu units 3, coal dust pipeline and pure oxygen pipeline.Partition rotary kiln 1 be used for coal carbonization production coal gas,
Coke powder and coke, shaft furnace are used for calcined limestone production lime.The structure of the partition rotary kiln of partition rotary kiln embodiment 1 is identical,
For four-part form partition rotary kiln, combustion apparatus is burner 46.Partition rotary kiln is provided with exhanst gas outlet, fuel lime-ash outlet 38, respectively
Section is respectively equipped with charging aperture, discharging opening and decomposed gas outlet 2.Bulk lime silo 11, middle lump lime storehouse 12, fritter lime silo 13
Bulk coke powder storehouse, middle piece of coke powder storehouse 2, nut coke powder cabin and powder coke powder storehouse, raw limestone storehouse are changed to powder lime silo 14
20 are changed to Pulverized Coal Bin, and classification feeder 19 is changed to coal dust feeder.Decomposed gas outlet 21 is connected to burner 46, coke powder/coke
Outlet be connected to burner all the way.
Coal dust pipeline connects the burner of partition rotary kiln with pure oxygen pipeline, and coal dust pipeline uses air as conveying gas,
Pure oxygen pipeline can also use air as diluent, be mixed into oxygen rich gas supply burner, and the exhanst gas outlet of partition rotary kiln connects
Logical shaft furnace 55, the bottom of shaft furnace connect lime product storehouse by reactor product cooler 36, and the exhanst gas outlet at the top of shaft furnace passes through air inducing
It is divided into two-way after machine, connects gas collection tank all the way, store for future use.Another way leads back shaft furnace bottom as cooling gas.Ke Lai
Pu unit by cycle heat exchange medium pipeline 25, respectively with the coal dust of partition rotary kiln(Coke)Storehouse and the reactor product cooler of shaft furnace
36 connections form circulation loop, reclaim the waste heat of these equipment.
The running of the present embodiment is:Coal dust in Pulverized Coal Bin is through defeated cuttings conveyer and calcining and decomposing gas converting heat
Afterwards, the annular materials space for entering each intersegmental wall rotary kiln through each section of charging aperture respectively carries out destructive distillation.Coal dust is by air wind-force
Conveying, oxygen-enriched to carry out feature gasification in burner combustion with coal dust, feature gasification is exactly that raw material coal dust exists with gasifying agent pure oxygen
Imperfect combustion generation carbon monoxide and a small amount of other gases in partition rotary kiln, partial CO 2 gas can be added during gasification
As diluent, and realize while completing to gasify the multiple functions of destructive distillation to coal dust, temperature control and deslagging.Gasification temperature is
1430 DEG C, the coal dust in each section of annular materials space of heating partition rotary kiln, coke or coke powder enter each product through each discharging opening
Storehouse, all the way coke powder enter burner 46, be introduced back the kiln hood end where the burner of partition rotary kiln and enter kiln thorax adjustment atmosphere.Calcining
During caused coal gas through each section of decomposed gas outlet 21 arrive partition rotary kiln burner 46.Kiln exit gas after calcining
Temperature is up to 1000 DEG C and enters shaft furnace.Decomposition of limestone in shaft furnace is lime, and lime after reactor product cooler by being collected into
Lime silo.Flue gas at the top of shaft furnace is collected into gas cooling tank as fuel and stored for future use, and another extension gas is passed through shaft furnace
Bottom coohng lime.
Claims (15)
1. the method and commercial plant of a kind of zero-emission, including industrial furnace, raw material cabin, product storehouse, fuel conduit and combustion tube
Road, the industrial furnace are provided with combustion apparatus, charging aperture(31), discharging opening, reactor product cooler(36)And exhanst gas outlet, the original
Feed bin is connected to charging aperture, and the discharging opening is connected to product storehouse by reactor product cooler, it is characterized in that:Described device is provided with hair
Electric unit, feed preheater(34), flue gas heat-exchange unit(9), harmful substance removal equipment(37), Ke Laipu units(3), conversion point
From equipment(4)With carbon dioxide purification equipment(5), the combustion apparatus is the burner in stove(46), spray gun or combustion
Burn beam, or the feature gasification furnace being separately provided(35), the feature gasification furnace is provided with fuel conduit and combustion tube
The burner on road(46), coal ash cooler(47)And offgas outlet, fuel and combustion-supporting gas are in the burner hearth or function of industrial furnace
Property gasification furnace in carry out feature gasification, generate the gas mixture based on carbon monoxide;The flue gas of the industrial furnace goes out
Mouth passes through feed preheater and connects harmful substance removal equipment(37), or connected and be harmful to by feed preheater, generator unit
Devolatilization equipment(37), or pass through flue gas heat-exchange unit(9)Connect harmful substance removal equipment(37), or it is single by generating electricity
Member, flue gas heat-exchange unit connection harmful substance removal equipment(37);The harmful substance removal equipment(37)It is directly connected to or leads to
Cross Ke Laipu units(3)Connection conversion separation equipment(4), convert separation equipment(4)Provided with hydrogen outlet and carbon dioxide outlet,
The hydrogen outlet is connected to peace hydrogen production unit(6), the carbon dioxide outlet is connected to carbon dioxide purification equipment(5)、
The fuel conveying gas entrance of the fuel conduit of combustion apparatus and combustion-supporting pipeline, the carbon dioxide purification equipment outlet are connected to food
Grade or industrial grade carbon-dioxide finished pot(49);Ke Laipu units(3)Pass through circulatory mediator pipeline and flue gas heat-exchange unit(9)、
Product storehouse/product storehouse cooler, conversion separation equipment(4), peace hydrogen production unit(6), coal ash cooler(47)Connect respectively
Form circulation loop;The generator unit is waste heat power generation equipment(2)Or/and differential pressure power generation equipment(39)With Ke Laipu units simultaneously
Join electric power output or individually output.
2. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The harmful substance removal equipment
(37)With converting separation equipment(4)Between or the Ke Laipu units(3)With converting separation equipment(4)Between set connection
Carbon dioxide purification equipment(5)Branch road.
3. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The industrial furnace includes partition
Rotary kiln(1), blast furnace(32), rotary kiln(33), beam type shaft furnace(7), sleeve kiln(44)Or double-hearth lime kiln(10), it is described
Rotary kiln includes lime rotary kiln, clinker rotary kiln, zero-emission calcium carbide rotary kiln, ironmaking rotary kiln or coking of coal revolution
Kiln;The generator unit is waste heat power generation equipment(2)Or differential pressure power generation equipment(39).
4. the method and commercial plant of zero-emission according to claim 1 or 2, it is characterized in that:Between the industrial furnace is
Wall rotary kiln(1)Or rotary kiln, combustion apparatus are burner, outside the static and dynamic sealing part flap being connected with kiln head cover, kiln hood
Provided with carbon dioxide seal box(48), the pressure of seal box is higher than the kiln inner pressure of partition rotary kiln, the cigarette of industrial furnace
Gas outlet passes through feed preheater, waste heat power generation equipment(2), harmful substance removal equipment(37)Afterwards with Ke Laipu units(3)Even
Connect, Ke Laipu units(3)Connection conversion separation equipment(4), convert separation equipment(4)Outlet connection carbon dioxide purification equipment
(5)With peace hydrogen production unit(6), Ke Laipu units(3)Pass through circulatory mediator pipeline and product storehouse/product storehouse cooler, conversion
Separation equipment(4), peace hydrogen production unit(6)Connection forms circulation loop respectively;When combustion-supporting in partition rotary kiln or rotary kiln
When gas carries out gas mixture of the feature gasification reaction generation based on carbon monoxide with fuel, tail gas is mono- by Ke Laipu
Member(3)Afterwards with converting separation equipment(4)Connection, now tail gas passes through Ke Laipu units(3)After can also be directly output as one
The industrial chemicals or gaseous fuel of carbon oxide mixture;When tail gas helps as gaseous fuel in use, can use air as
Combustion gas body is gasified, and gaseous fuel is the gaseous mixture containing carbon monoxide, nitrogen and carbon dioxide;When partition rotary kiln or return
When combustion-supporting gas in rotary kiln carries out completely burned generation carbon dioxide with fuel, tail gas passes through Ke Laipu units(3)Afterwards with two
Carbonoxide equipment for purifying(5)Connection is not with converting separation equipment(4), peace hydrogen production unit(6)Connection, convert separation equipment(4)、
Pacify hydrogen production unit(6)It is stopped simultaneously;The burner of partition rotary kiln or rotary kiln can be arranged separately in inside kiln body,
Can be by feature gasification furnace(35)Substitute, when setting feature gasification furnace, Ke Laipu units(3)Also pass through circulatory mediator pipe
Road and coal ash cooler(47)Connection forms circulation loop;Fuel is carried out by carbon dioxide wind model by burner combustion
Feature gasifies, and feature gasification is exactly fuel and the gasifying agent pure oxygen/oxygen-enriched imperfect combustion in partition rotary kiln generation one
Carbonoxide and a small amount of other gases, partial CO 2 gas is added as diluent during gasification, and while gasification is completed
Realize the multiple functions of lime calcining, temperature control and deslagging;When combustion-supporting gas is the oxygen-enriched and gaseous mixture of carbon dioxide, by being harmful to
Devolatilization equipment(37)Remove unnecessary nitrogen and N-oxide impurity;Pure oxygen/oxygen-enriched and carbon dioxide mix gas ratio is 0
: 100~100: 0 (volume ratio);The partition rotary kiln(1)Kiln body is tube-in-tube structure, by coaxial mounted inner cylinder(50)With it is outer
Cylinder(54)Form, the center of inner cylinder is kiln thorax(51), it is material channel between inner cylinder and outer barrel(53), the material channel is provided with
Support resistance to material(52);Partition rotary kiln fuel is transferred heat in annular space by partition-wall heat transfer in middle hearth combustion
Raw material calcined, because the continuous rotation of rotary kiln makes material thermally equivalent, and from feed end slowly to discharge end stream
It is dynamic, discharged after the completion of calcining;Combustion space separates with calcination space, can produce high-purity and not added by smoke pollution isolation air
The high-quality product of heat;Feature gasification furnace be it is a kind of by pure oxygen/oxygen-enriched with carbon dioxide mix gas and fuel in gasification furnace
Interior imperfect combustion produces high-temperature gas mixture body of the substantial amounts of heat formation using carbon monoxide as main component, supplies next industry
Stove is heated or reduction reaction or the equipment that can also carry out protectiveness heating process, while combustion in feature gasification furnace
The liquid lime-ash of material discharges out of the furnace.
5. the method and commercial plant of zero-emission according to claim 4, it is characterized in that:The partition rotary kiln(1)For
At least it is divided into one section of segmented partition rotary kiln according to temperature range, provided with raw limestone storehouse(20), classification feeder
(19), partition rotary kiln(1)Each section is respectively equipped with charging aperture, discharging opening, partition calcining tonifying Qi entrance(24)Go out with decomposition gas
Mouthful(21);The raw limestone storehouse(20)It is connected to classification feeder(19), it is classified feeder and is connected to classification charging aperture, institute
State each grading discharge mouth and be connected to each classification lime silo;Each section of decomposed gas outlet is connected to carbon dioxide purification equipment
(5);The partition rotary kiln exports provided with fuel lime-ash(38);Rotary kiln burner(46)Completely burned can only be carried out also may be used
To carry out feature gasification;Rotary kiln burner(46)Single device functionality gasification furnace can also be used(35)Instead of to produce
Mixed gas based on high temperature carbon monoxide enters the kiln thorax of partition rotary kiln;When feature gasifies, the Ke Laipu units connect
Partition calcining tonifying Qi entrance is connected to, calcined by rotary kiln tail gas extracts part low temperature exhaust gas and given after Ke Laipu unit recovery waste heats
To enhance product performance, air compensation is that limestone calcination produces the 0~100% of tail gas amount for lime burning tonifying Qi.
6. the method and commercial plant of zero-emission according to claim 4, it is characterized in that:The rotary kiln is clinker
Rotary kiln, the feed preheater set burner, burner connection fuel conduit and combustion-supporting pipeline, and fuel is with combustion-supporting gas in raw material
Feature gasification is carried out in preheater, generates the gas mixture based on carbon monoxide;Or set up outside feed preheater
Feature gasification furnace, the offgas outlet of feature gasification furnace are connected to feed preheater.
7. the method and commercial plant of zero-emission according to claim 1 or 2, it is characterized in that:The industrial furnace is beam
Formula shaft furnace(7), sleeve kiln(44)Or double-hearth lime kiln(10), the bottom of the industrial furnace sets bottom gas cooled nozzle
(29), the exhanst gas outlet of industrial furnace passes through flue gas heat-exchange unit(9), harmful substance removal equipment(37)Connection conversion separation equipment
(4), convert separation equipment(4)Outlet connection carbon dioxide purification equipment(5)With peace hydrogen production unit(6), harmful substance takes off
Except equipment(37)With converting separation equipment(4)Between set be connected to carbon dioxide purification equipment(5)Branch road, be connected to bottom
Gas cooling spout(29)Carbon monoxide supplement pipeline;Ke Laipu units(3)Pass through circulatory mediator pipeline and flue gas heat-exchange unit
(9), product storehouse cooler, conversion separation equipment(4), peace hydrogen production unit(6)Connection forms circulation loop respectively;Industrial furnace
In combustion-supporting gas and fuel when carrying out gas mixture of the feature gasification reaction generation based on carbon monoxide, tail gas passes through
Harmful substance removal equipment(37)Afterwards with converting separation equipment(4)Connection, now tail gas passes through harmful substance removal equipment(37)
The industrial chemicals or gaseous fuel of carbon mono oxide mixture can also be directly output as afterwards;When the combustion-supporting gas in industrial furnace
When carrying out completely burned generation carbon dioxide with fuel, tail gas passes through harmful substance removal equipment(37)Afterwards with carbon dioxide purification
Equipment(5)Connection;The combustion apparatus of industrial furnace can be arranged separately in inside kiln body, can also be replaced by feature gasification furnace
Generation, when setting feature gasification furnace, Ke Laipu units(3)Also pass through circulatory mediator pipeline and coal ash cooler(47)Connection
Form circulation loop;Fuel carries out feature gasification, feature gasification is exactly by carbon dioxide wind model by burner combustion
Fuel and the gasifying agent pure oxygen/oxygen-enriched imperfect combustion in partition rotary kiln generation carbon monoxide and a small amount of other gases, gasification
Shi Tianjia partial CO 2 gases are as diluent;And realize lime calcining, temperature control and deslagging while completing and gasifying
Multiple functions;When combustion-supporting gas is the oxygen-enriched and gaseous mixture of carbon dioxide, by harmful substance removal equipment(37)It is unnecessary to remove
Nitrogen and N-oxide impurity;Pure oxygen/oxygen-enriched and carbon dioxide mix gas ratio is 0: 100~100: 0 (volume ratio).
8. the method and commercial plant of zero-emission according to claim 7, it is characterized in that:The industrial furnace erects for beam type
Kiln(7), beam type shaft furnace(7)Provided with burning beam(8), burning beam is interior to set the downward or nozzle to both sides, is passed through in burning beam cold
But conduction oil, conduction oil pass through heat conduction oil circuit piping(45)With Ke Laipu units(3)Connection forms circulation loop, burns
The high temperature heat conductive oil of beam, which enters Ke Laipu units and heat is transmitted into Ke carrys out pump apparatus, reduces the temperature of conduction oil, by leading for low temperature
Deep fat is delivered in burning beam again.
9. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The industrial furnace is high for ironmaking
Stove(32), blast furnace(32)Exhanst gas outlet pass through differential pressure power generation equipment(39), flue gas heat-exchange unit(9), harmful substance removal
Equipment(37)It is divided into two-way, all the way connection conversion separation equipment(4), another way around the air inlet of blast furnace by presetting
Air inlet be directly entered kiln thorax;Convert separation equipment(4)Hydrogen outlet connection peace hydrogen production unit(6), convert separation and set
It is standby(4)Carbon dioxide outlet be divided into three tunnels, be connected to carbon dioxide purification equipment all the way(5), fuel conduit is connected to all the way,
Another way is connected to combustion-supporting pipeline;Ke Laipu units(3)Pass through circulatory mediator pipeline and flue gas heat-exchange unit(9), product storehouse cooling
Device, conversion separation equipment(4), peace hydrogen production unit(6)Connection forms circulation loop respectively.
10. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The Ke Laipu units include
Expanding machine(22), generator(23), hydrogen heat compression device(26)And resuperheater(27);The expander outlet passes through hydrogen
Gas hot compression equipment is connected to expander inlet, and the expanding machine is connected with generator shaft, the generator and external power system
Circuit of uniting connects.
11. the method and commercial plant of zero-emission according to claim 10, it is characterized in that:The hydrogen heat compression device
(26)Provided with 2~100 groups of metal hydride reaction beds, the metal hydride reaction bed absorbs low pressure hydrogen at low temperature,
High pressure hydrogen is released under high temperature;2~100 groups of metal hydride reaction beds are arranged to one or more levels, when being arranged to one-level,
The suction hydrogen temperature of metal hydride reaction bed is identical in peer, and hydrogen discharging temperature is also identical;When being arranged to multistage, every grade at least 2
Group metal hydride reaction bed, the hydrogen discharging temperature of upper level metal hydride reaction bed put hydrogen higher than next stage metal hydride
Temperature, upper level inhale suction hydrogen temperature of the hydrogen temperature also above next stage, and upper level metal hydride reaction bed is released when inhaling hydrogen
Heat supply next stage metal hydride reaction bed use, realize the cascade utilization of heat;The expanding machine(22)For multistage
Expanding machine, bleeding point and air inlet are provided with per one-level, the outlet port of upper level passes through resuperheater(27)It is connected to next stage
Air inlet;Ke Laipu units set up hydrogen storage material tank and gating system, are realized by strength, fluid power or mechanical system between level or in level
Metal hydrogen storage material mutually switches between any two metal hydride reaction bed;The Ke Laipu units can be set up organic bright
Agree circulation low-temperature cogeneration device, further improve efficiency;ORC (organic Rankine cycle) low-temperature device for generating power by waste heat includes evaporator
(58), expanding machine(22), condenser(56), working medium pump(57)And generator(23), using low-boiling-point organic compound as working medium;Steam
Send out device(58)Outlet is connected to expanding machine(22)Entrance, expanding machine(22)Outlet is connected to condenser(56)Entrance, condenser
(56)Outlet passes through working medium pump(57)It is connected to evaporator(58)Entrance, expanding machine(22)With pen generators(23)Axis connection;Have
The expanding machine and original expanding machine, generator of machine Rankine cycle low-temperature cogeneration device are independently arranged, or mono- with Ke Laipu
The original expanding machine of member and generator are shared or coaxial;If the latter, its cooler(56)The cold of the cooling medium used
It can be cold caused by cold caused by hydrogen expander or atmospheric environment or cooling water or other low-temperature receivers;Evaporator(58)It is required
Heat from metal hydride reaction bed inhale hydrogen when liberated heat and flue gas low temperature exhaust heat.
12. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The peace hydrogen production unit
(6), including at least two hydrogen abstraction reaction devices(40), metal hydride more changing device(41), weary metal hydride container(42)
With saturation metal hydride container(43);The weary metal hydride container(42)Equipped with discharging hydrogen by metal hydride
Metal hydrogen storage material afterwards, the saturation metal hydride container(43)Equipped with by being formed after metal hydrogen storage material absorption hydrogen
Metal hydride, the hydrogen abstraction reaction device metal hydride outlet by metal hydride more changing device respectively with weary metal
Hydride container(42)With saturation metal hydride container(43)Connection, the metal hydride more changing device(41)Pass through
Strength, fluid power or mechanical system complete weary metal hydride container(42)Interior metal hydrogen storage material enters hydrogen abstraction reaction device
(40)And hydrogen abstraction reaction device(40)Interior metal hydrogen storage material absorbs the metal hydride formed after hydrogen and enters saturation metal
Hydride container(43)Material transfer process;The hydrogen abstraction reaction device passes through cycle heat exchange medium pipeline(25)With Ke Laipu
Unit(3)Connection forms circulation loop, and metal hydrogen storage material hydrogen abstraction reaction process releases substantial amounts of heat in hydrogen abstraction reaction device, by
Cycle heat exchange medium pipeline(25)In cycle heat exchange medium indirect heat exchange take out of, exchange heat and give Ke Laipu units(3)Generate electricity, this is followed
Ring heat transferring medium can also be hydrogen, and direct heat transfer takes hydrogen abstraction reaction process liberated heat out of, exchanges heat and give Ke Laipu units(3)
Generate electricity;By peace hydrogen production unit(6)The magnesium system metal hydride of production when in use, the releasing of its hydrogen using it is following either one
Formula:First, release hydrogen after magnesium system metal hydride is heated into design temperature;Second, water or water steaming are added while heating
Vapour releases hydrogen as auxiliary agent;Third, once being put after hydrogen is decomposed into magnesium simple substance magnesium system metal hydride is heated, then fill into
Water or water vapour and the reaction of magnesium simple substance produce hydrogen and carry out secondary putting hydrogen.
13. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The fuel is carbon containing liquid
Body, the single-fuel of solid or gas or any two or more fuel combination;Fuel and combustion-supporting gas in whole production process
Body completely burned or the no nitrogen of feature gasification participate in, and only micro nitrogen oxides produces;Whole process units is integrally complete
Sealing isolation air, prevents air from bringing nitrogen into system;Pure oxygen source:1. clean energy resource, including wind-powered electricity generation, solar power generation
Deng water electrolysis hydrogen production by-product oxygen;The oxygen processed 2. Ke Laipu units generate electricity.
14. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:The purposes of carbon dioxide:It is 1. normal
Advise purposes;2. underground, ocean landfill, and extract out recycle when needed;3. stereo farm, three-dimensional pasture, three-dimensional tea plantation use;
The present invention is applied to have calcining heating, the heating of the occasion of reducing atmosphere, reduction protection atmosphere, including non-ferrous metal, black
Metal, cement, lime, send out by the production of raw material, isolation air calcination product, carbonaceous material coking, waste heat of carbonate
Electricity, low-temperature heat quantity recovery, production, the recovery of carbon dioxide of peace hydrogen production.
15. the method and commercial plant of zero-emission according to claim 1, it is characterized in that:Can when product is fuel gas
Temperature is reduced to make the cooling system of feature gasification with limekiln, while makees to produce the device of lime.
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CN108439336A (en) * | 2018-05-08 | 2018-08-24 | 上海发电设备成套设计研究院有限责任公司 | A kind of zero-emission cogeneration of hydrogen and electricity system |
CN109179325A (en) * | 2018-09-26 | 2019-01-11 | 上海柯来浦能源科技有限公司 | A kind of device and method of metal and nonmetallic pyrolytic semlting |
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