CN106179686A - Process equipment, technique and the application of a kind of molding powder of straw - Google Patents
Process equipment, technique and the application of a kind of molding powder of straw Download PDFInfo
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- CN106179686A CN106179686A CN201610777918.6A CN201610777918A CN106179686A CN 106179686 A CN106179686 A CN 106179686A CN 201610777918 A CN201610777918 A CN 201610777918A CN 106179686 A CN106179686 A CN 106179686A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/28—Cutting, disintegrating, shredding or grinding
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Food Science & Technology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Abstract
The present invention relates to process equipment, technique and the application of a kind of molding powder of straw.Straw metering platform scale, straw aggregate bin, straw batcher, the first rubber conveyer, straw crusher, the second rubber conveyer, forming machine for straw and the 3rd rubber conveyer are sequentially connected with according to process conditions, material in 3rd rubber conveyer is directly poured the first molding straw depots into or is transported to the second molding straw depots by means of transport or molding straw is unloaded hole, the material in described first molding straw depots also can be transported to the second molding straw depots by means of transport or molding straw is unloaded hole；Second molding straw depots is unloaded with molding straw to cheat and is connected by the 4th rubber conveyer, molding straw unload hole below connect constant feeder, constant feeder outlet is connected with the 5th rubber conveyer, molding stalk crasher and bag collector successively, the outlet of bag collector connects exhaust blower by pipeline, connects molding powder of straw conveying worm below bag collector.
Description
Technical field
The invention belongs to technical field of cement production in agricultural and building materials industry, be specifically related to adding of a kind of molding powder of straw
Construction equipment and technique.
Background technology
Biomass energy is a kind of important regenerative resource, is one of important energy source of depending on for existence of the mankind, and it is only second to
Coal, oil, natural gas, occupy the 4th of world energy consumption total amount, and its development and utilization i.e. can supplement conventional energy resource
Shortage, has again great environmental benefit.Therefore, the development and utilization of biomass energy has become as global research topic.
The resource of biomass energy mostlys come from agriculture, woods, herds field, mainly includes agricultural crop straw, forest side-product, domestic animal
Animal manure is just.China's biomass resource is the abundantest, and the only annual production of agricultural crop straw just has more than 700,000,000 tons, and equivalent standard coal is about
3.5 hundred million tons.Agricultural crop straw is mainly fibroid garbage, mainly includes cereal crops straw such as rice straw, wheat straw, corn stalk
Deng；Beans straw such as Semen sojae atricolor, Semen phaseoli radiati etc.；Tuber crops straw such as Rhizoma Dioscoreae esculentae rattan, potato vine, sweet potato vine etc.；Cotton stalk；Oil plant
Crop material such as Semen arachidis hypogaeae bar, rape straw, sesame stalk etc. and the multiple kinds of crops straw such as Caulis Sacchari sinensis, crudefiber crop straw.
At present, agricultural crop straw is except as also field, stock keeping, straw generation wood, Edible Fungi, biogas gas, straw charcoal
Outside the pale of civilization major part is all that rural area cooking stove cooking, heating and field are burned, due to the substantial amounts of CO of insufficient generation and the flue dust of burning,
Bring harm greatly to environment, therefore, effectively utilize straw burning characteristic so that it is fully burn, it is possible to avoid producing
Substantial amounts of CO and flue dust, do not affect environment, and straw be the low-carbon (LC) fuel of a kind of cleaning, and its sulfur-bearing and nitrogen content are the most relatively low,
Reasonably in stove, burning tissues can also be effectively reduced SO in flue gas2、NOxDischarge, the photosynthesis in straw growth course want
Absorb CO2, so, the growth of straw and combustion process are CO2The cyclic process absorbed and produce, makes CO2Discharge capacity be zero,
Straw can also fundamentally solve peasant and burn, as high temperature kiln, stove fuel, the serious dirt that environment is caused by a large amount of waste straw
Dye, has very important effect to Improvement of Ecological Environment.
2008, the General Office of the State Council issued " suggestion about accelerating to advance agricultural crop straw comprehensive utilization " (Office of the State Council
Send out (2008) No. 105) file, 2013, the National Development and Reform Commission, the Ministry of Agriculture, Environmental Protection Department issued " about adding
Agricultural crop straw comprehensive utilization and taboo burn the notice of work by force " (send out and change ring money (2013) 930) file, explicitly point out and want abundant
Understanding stalk comprehensive utilization and taboo burn work importance and urgency: straw arbitrarily abandons and burns phenomenon and still remains incessant after repeated prohibition, and makes
Become resource huge waste, bring air serious pollution, have a strong impact on traffic safety, threaten broad masses of the people's lives and properties peace
Entirely.
China's agricultural straw resource more disperses relative to barton, and unit weight is less in addition, accumulating is inconvenient etc. makes straw
The collection expense of stalk increases, and seriously constrains its large-scale application.The bulk density of general straw is 50-120kg/m3, due to
Transportation often occurring, ultra-wide superelevation affects the phenomenon of traffic safety, and useful load adds the most again energy consumption (diesel consumption)
And cost of transportation, therefore, transport is the main factor of restriction straw sizable application.
Summary of the invention
Arbitrarily abandon for agricultural crop straw and burn with field and cause the problem of air pollution and energy waste, the present invention
Intend to solve technical problem is that: provide process equipment, technique and the application of a kind of molding powder of straw.
The preparation of molding straw and the preparation of molding powder of straw are combined by this equipment, and wherein capital equipment includes that straw crushes
Machine, forming machine for straw, molding stalk crasher, molding powder of straw delivery pump etc., it is possible to realize the processing of molding powder of straw,
Overcome the problem that agricultural crop straw in prior art transports and stores difficulty, cost is high, and the automatization that can realize straw adds
Work, beneficially straw industrialization and the application of scale.
Straw is collected to stalk forming machining location by this technique from field, straw is first processed into molding straw, then adds
Work molding powder of straw, after agricultural crop straw machine-shaping, unit weight reaches 0.8-0.9t/m3, the appearance of straw can be significantly improved
Weight, is conducive to transport, and solves original straw unit weight low transport energy consumption and the high problem of cost, for straw industrialization and scale
Change the popularization of application and the development to rural economy creates condition.
This molding powder of straw being used in cement clinker burning system, the produced heat of molding powder of straw burning can replace
The heat produced for coal dust used in a part of dore furnace.Burning in molding powder of straw is sprayed into dore furnace, burning is rapidly
Stable, heat transfer is fast, and beneficially in cement clinker burning system, in dore furnace, material decomposes, and effectively solves the caused sky of crop straw burning
Gas pollution problem, production process cleanliness without any pollution, it is effectively utilized recyclable regenerative energy conservation primary energy coal, this water
In mud sinter leaching system, dore furnace is connected to the process equipment of molding powder of straw, it is possible to cleaning, effective, the process of scale
Fall crop straw refuse, reduce the cost in straw processing procedure, finally solve the environmental protection that crop straw burning causes and ask
Inscribing and sufficiently make use of the circular regeneration energy, saving primary energy coal, economic benefit and social benefit are notable.
The technical scheme is that
The process equipment of a kind of molding powder of straw, it is characterised in that this process equipment includes that straw measures platform scale, straw
Aggregate bin, straw batcher, the first rubber conveyer, straw crusher, the second rubber conveyer, forming machine for straw, the 3rd glue
Belt conveyor, molding straw are unloaded hole, constant feeder, the 5th rubber conveyer, molding stalk crasher, bag collector, row
Blower fan, molding powder of straw conveying worm and molding powder of straw storage warehouse；Above-mentioned straw metering platform scale, straw aggregate bin,
Straw batcher, the first rubber conveyer, straw crusher, the second rubber conveyer, forming machine for straw and the 3rd belt haulage
Machine is sequentially connected with according to process conditions, and the material in the 3rd rubber conveyer is directly poured the first molding straw depots into or passes through
Means of transport is transported to the second molding straw depots or molding straw is unloaded hole, the material in described first molding straw depots
Also can be transported to the second molding straw depots by means of transport or molding straw is unloaded hole；Second molding straw depots with become
Type straw unload hole by the 4th rubber conveyer connect, molding straw unload hole below connect constant feeder, dosing
Machine outlet is connected with the 5th rubber conveyer, molding stalk crasher and bag collector successively, and the outlet of bag collector is by pipe
Road connects exhaust blower, connects molding powder of straw conveying worm below bag collector, and the outlet of molding powder of straw conveying worm is logical
Cross elephant trunk and be connected to molding powder of straw storage warehouse.
A kind of processing technique of the process equipment using above-mentioned molding powder of straw, comprising the concrete steps that of this processing technique:
1) prepare and transport molding straw:
Straw is discharged in straw aggregate bin by means of transport, below straw aggregate bin after being measured by straw metering platform scale
Straw batcher straw is sent on the first rubber conveyer, straw is delivered to straw crusher, straw by the first rubber conveyer
Stalk is delivered to forming machine for straw by the second rubber conveyer after straw crusher is broken again, obtains molding straw；Molding straw
Stalk is fallen the 3rd rubber conveyer from forming machine for straw the most afterwards, is then sent directly into the first molding straw depots or transport
In instrument, molding straw is delivered to the second molding straw depots by means of transport again or transports directly to molding straw and unload hole；
2) molding powder of straw is prepared:
Through step 1) molding straw is delivered to the second molding straw depots after, then delivered to into by the 4th rubber conveyer
Type straw unload hole in, or by step 1) be fed directly to molding straw unload hole in after, then by constant feeder deliver to lower section
5th rubber conveyer, molding straw is delivered to molding stalk crasher by the 5th rubber conveyer, through molding stalk crasher powder
Broken qualified molding powder of straw is collected by exhaust blower suction bag collector, obtains molding powder of straw；Bag collector is collected
The molding powder of straw got off is delivered to molding powder of straw storage warehouse by molding powder of straw conveying worm.
A kind of cement clinker burning system, the molding powder of straw that this system above-mentioned processing technique of application prepares is as fuel.
Compared with prior art, the invention has the beneficial effects as follows:
Straw can first be made molding straw by process equipment of the present invention, then makes molding powder of straw, uses electric power straw to break
Broken crusher machine straw uses diesel engine to be that the straw crusher of power crushes that straw is more energy efficient and environmental protection, straw crusher than tradition
Driving for electric power, electric power does not has a secondary pollution air, and diesel engine produces the exhaust emission air after diesel combustion；Energy consumption side
Face, Electric Traction work efficiency drives straw crusher higher than diesel engine or tractor, and therefore, straw crusher energy consumption is less than bavin
Oil machine is the straw crusher of power.
Processing technique of the present invention, first makes molding straw, is reprocessed into molding powder of straw, compared to existing technology in, mostly
Use straw is directly broken for thread after directly use, the processing technique of the present invention molding straw that obtains of processing compares straw
It is broken for thread more energy efficient and cost-effective for burning.Thread straw is used for cement clinker burning system dore furnace and biomass
Its unit weight of the burning of steam power plant is low, about 100-150kg/m3, and the unit weight of molding straw is about 800-1000kg/m3, identical heavy
The straw of amount, nearlyer than thread straw volume-diminished 10 times of molding straw, transport molding straw ratio transports thread straw at transport frequency
Secondary and consume diesel oil amount on be all greatly lowered, transport molding straw cost be also greatly lowered, due in transportation
Consume the reduction of diesel oil amount, saved energy resource consumption and reduced the harmful gas amount that motor vehicle diesel burning produces, from transport angle
Degree compares, and molding straw transportation is more energy efficient and environmental protection.
Molding straw unit weight height is prone to storage.Molding straw unit weight is high essentially the same with the unit weight of coal, ripe with for cement
Material firing system dore furnace is compared with the thread straw of biomass thermal power plant combustion, takes up an area little, and molding straw not spontaneous combustion, no
Rotting, the storage phase reaches more than 1 year.Machine automatization windrow and feeding can be realized, it is to avoid loader in molding straw depots
The heap feeding waste energy and not environmentally.
The cement clinker burning system of the present invention uses molding powder of straw as fuel, significantly improves the process of system
Amount.The unit weight of molding powder of straw is about at 400-500kg/m3, higher than being currently used for cement clinker burning system dore furnace and biology
The unit weight of thread straw of matter steam power plant burning, takes air conveying, and conveying capacity can reach more than 20t/h, and thread straw
Can only take machinery conveying, the ability of 20t the most per hour, equipment vast number is the most, substantially cannot realize.
The burning velocity of molding powder of straw is fast.It is currently used for cement clinker burning system dore furnace and the combustion of biomass thermal power plant
The thread straw burnt is in irregular shape, and thickness is different in size, and molding powder of straw particle size is less than 1mm, takes strength to spray into
In dore furnace, mix homogeneously with high-temperature gas in stove, and thread straw can only lean on plant equipment to send into dore furnace edge, with height
Wet body mixing velocity is slow and uneven, and burning heat radiation is the most uneven, and therefore, the burning velocity of molding powder of straw is than thread straw
Faster, the Temperature Distribution region in dore furnace is the most reasonable.
The molding powder of straw that processing technique of the present invention prepares can be with alternative fuel in cement clinker burning system, it is possible to
Make that straw fuel as an alternative is substantial amounts of to be used, deflagrate in the hot environment of dore furnace, combustion rate 100%, straw
Ash completely in clinker, the gas harmful composition such as SO that straw burning produces2And NOxAll much low than coal.Straw
The ash of stalk is typically about 6%, relatively low, therefore, mixes the amount in clinker also little, will not make cement clinker quality
Become impact.Harmful element sulphur and nitrogen content are relatively low, low more than the impact of coal on atmospheric effect, more clean environment firendly.
Accompanying drawing explanation
Fig. 1 is the process equipment dore furnace connection diagram with cement clinker burning system of molding powder of straw of the present invention；
In figure, 5 dore furnaces, 12 straw metering platform scales, 13 trucies, 14 straw aggregate bins, 15 straws are given
Material machine, 16 first rubber conveyers, 17 straw crushers, 18 second rubber conveyers, 19 forming machine for straw, 20
3rd rubber conveyer, 21 first molding straw depots, 22 second molding straw depots, 23 the 4th belt haulage
Machine, 24 molding straws unload hole, 25 constant feeders, 26 the 5th rubber conveyers, 27 molding straw crushers,
28 bag collectors, 29 exhaust blowers, 30 molding powder of straw conveying worms, 31 molding powder of straw storage warehouses, 32 one-tenth
Type powder of straw metering batcher, 33 screw delivery pumps, 34 roots blowers, 35 molding powder of straw conveyance conduits, 36 one-tenth
Type powder of straw burner.
Detailed description of the invention
The present invention is further illustrated below in conjunction with embodiment and accompanying drawing thereof, but not in this, as to the application claim
The restriction of protection domain.
The process equipment of molding powder of straw of the present invention (being called for short process equipment, see Fig. 1) include straw metering platform scale 12,
Straw aggregate bin 14, straw batcher the 15, first rubber conveyer 16, straw crusher the 17, second rubber conveyer 18, straw
Forming machine the 19, the 3rd rubber conveyer 20, molding straw are unloaded hole 24, constant feeder the 25, the 5th rubber conveyer 26, molding
Stalk crasher 27, bag collector 28, exhaust blower 29, molding powder of straw conveying worm 30 and molding powder of straw storage warehouse 31；
Above-mentioned straw metering platform scale 12, straw aggregate bin 14, straw batcher the 15, first rubber conveyer 16, straw crusher
17, the second rubber conveyer 18, forming machine for straw 19 and the 3rd rubber conveyer 20 are sequentially connected with according to process conditions, the 3rd glue
Material in belt conveyor 20 is directly poured the first molding straw depots 21 into or is transported to second by means of transport (truck 13)
Molding straw depots 22 or molding straw are unloaded hole 24, and the material in described first molding straw depots 21 also can be by fortune
Defeated instrument is transported to the second molding straw depots 22 or molding straw is unloaded hole 24；Second molding straw depots 22 and molding straw
Stalk hole 24 of unloading is connected by the 4th rubber conveyer 23, and molding straw is unloaded and connected constant feeder 25, quantitatively below hole 24
Batcher 25 exports and is connected with the 5th rubber conveyer 26, molding stalk crasher 27 and bag collector 28 successively, bag collector
The outlet of 28 connects exhaust blower 29 by pipeline, connects molding powder of straw conveying worm 30, molding straw below bag collector 27
Stalk powder conveying worm 30 exports and is connected to molding powder of straw storage warehouse 31 by elephant trunk.
Described straw crusher 17 is driven by power.
A kind of technique of the process equipment using above-mentioned molding powder of straw, comprising the concrete steps that of this technique:
1) prepare and transport molding straw:
Straw is discharged in straw aggregate bin 14 by means of transport (truck 13) after being measured by straw metering platform scale 12, straw
Straw is sent on the first rubber conveyer 16 by the straw batcher 15 below stalk aggregate bin 14, and the first rubber conveyer 16 is by straw
Stalk delivers to straw crusher 17, and straw is delivered to straw by the second rubber conveyer 18 after straw crusher 17 is broken again
Type machine 19, obtains molding straw；Molding straw is fallen the 3rd rubber conveyer 20 from forming machine for straw 19 the most afterwards, the most directly
Picking in the first molding straw depots 21 or means of transport, molding straw is delivered to the second molding straw storage by means of transport again
Warehousing 22 or transport directly to molding straw and unload hole 24；
2) prepare molding powder of straw: through step 1) molding straw is delivered to the second molding straw depots 22 after, then pass through
4th rubber conveyer 23 deliver to type straw unload hole 24 in, or by step 1) be fed directly to molding straw unload hole 24 in after,
Delivered to the 5th rubber conveyer 26 of lower section again by constant feeder 25, molding straw is delivered to molding by the 5th rubber conveyer 26
Stalk crasher 27, through molding stalk crasher 27 pulverize qualified molding powder of straw by exhaust blower 29 suction bag collector 28
Collection is got off, and obtains molding powder of straw；The molding powder of straw that bag collector 28 is collected is by molding powder of straw conveying worm
30 deliver to molding powder of straw storage warehouse 31, can store molding powder of straw.
The present invention also protects and a kind of applies above-mentioned processing technique to prepare the molding powder of straw Cement clinker buring as fuel
System.
Above-mentioned cement clinker burning system, the dore furnace 5 in this system is connected with molding powder of straw burner 36, described
Molding powder of straw burner 36 is connected with the outlet of screw delivery pump 33 by molding powder of straw conveyance conduit 35, screw delivery pump
The exit of 33 is additionally provided with roots blower 34, and the entrance of screw delivery pump 33 is through molding powder of straw metering feed weigher 32 and molding straw
Stalk powder storage warehouse 31 connects.
Above-mentioned cement clinker burning system, especially applicant's cement clinker burning system described in first patent
(Application No.: 2015108686358).
The molding powder of straw that processing technique of the present invention prepares can also be applied in boiler combustion system.
Molding powder of straw of the present invention as fuel by the technology mode of cement clinker burning system is: based on molding powder of straw
Molding powder of straw in molding powder of straw storage warehouse 31 is delivered to screw delivery pump 33 by amount feed weigher 32, and molding powder of straw is installed in
The roots blower 34 of screw delivery pump 33 outlet sprays into point through molding powder of straw conveyance conduit 35 and molding powder of straw burner 36
Solve in stove 5.Spray into the molding powder of straw in dore furnace 5 from molding powder of straw burner 36 to burn in dore furnace 5.
In the present invention, preparation process and the molding powder of straw preparation process of molding straw can not be separated by a region
Several kilometers, it is also possible in a region.Molding straw depots can be located in region prepared by molding straw, it is also possible to sets
In region prepared by molding powder of straw, it is also possible to be respectively provided with molding straw depots in two regions, it is also possible to do not set
It is set to type straw depots.
Various machines involved in process equipment of the present invention all can use prior art, and other powder meterings set with conveying
For being equally applicable to the present invention.In the present invention, molding powder of straw burner is not limited to one with the connection of dore furnace.
The technological principle of the processing technique of molding powder of straw of the present invention is: straw when being compressed into type due to temperature to 70
More than DEG C, the structure of straw changes under pressure and temperature, and the lignin in straw softens also along with the rising of temperature
There is certain viscosity, play a part binding agent, it is possible to bond the cellulose in straw, hemicellulose etc. so that molding straw
Dimensionally stable, even if fine grain density there will not be change after broken, the unit weight of the molding powder of straw after processing is not very
Low, basically identical with the unit weight of coal dust.
Molding powder of straw fuel as an alternative of the present invention for the technique for applying principle of cement clinker burning system is: straw
Being reprocessed into molding powder of straw, molding powder of straw ignition temperature 250 DEG C, Burn-out temperature 440 DEG C after molding, its burn rate is maximum
Time corresponding temperature very nearly the same with its ignition temperature, maximum combustion speed, dore furnace (high temperature can be quickly reached after illustrating to catch fire
Combustion system) interior ambient temperature is at about 1000 DEG C, far above the ignition temperature of powder of straw, it is possible to make molding powder of straw rapider
Combustion heat release, the calorific value of straw typically about 15.5 million Jiao, the about half of standard coal calorific value, the i.e. calorific value of 1 ton of straw
Be equivalent to the calorific value of 0.5 ton of standard coal, use air conveying mode molding powder of straw to be sprayed into through molding powder of straw burner
In dore furnace, it is possible to make molding powder of straw equably, promptly with high-temperature gas catalytic combustion.Special from the burning of molding powder of straw
Ambient temperature in property, dore furnace and strength spray into the mode of dore furnace and prove that molding powder of straw fuel as an alternative can be fine
Ground is for cement clinker burning system.Equally, molding powder of straw is applicable to burning in boiler, and ignition temperature can reach 1300-
1450 DEG C, burning is complete, the SO of generation2Considerably less with NOx amount, it is the energy of the very recyclable regenerative of clean environment firendly.
Embodiment 1
The process equipment of the present embodiment molding powder of straw include straw metering platform scale 12, straw aggregate bin 14, straw to
Material machine the 15, first rubber conveyer 16, straw crusher the 17, second rubber conveyer 18, forming machine for straw the 19, the 3rd adhesive tape are defeated
Unload hole 24, constant feeder the 25, the 5th rubber conveyer 26, molding stalk crasher 27, bag of machine 20, molding straw is sent to gather dust
Device 28, exhaust blower 29, molding powder of straw conveying worm 30 and molding powder of straw storage warehouse 31；Above-mentioned straw metering platform scale
12, straw aggregate bin 14, straw batcher the 15, first rubber conveyer 16, straw crusher the 17, second rubber conveyer 18,
Forming machine for straw 19 and the 3rd rubber conveyer 20 are sequentially connected with according to process conditions, and the material in the 3rd rubber conveyer 20 is straight
Connect and pour the first molding straw depots 21 into or be transported to the second molding straw depots 22 by means of transport (truck 13) or become
Type straw is unloaded hole 24, and the material in described first molding straw depots 21 also can be transported to the second molding straw by means of transport
Stalk depots 22 or molding straw are unloaded hole 24；Second molding straw depots 22 and molding straw unload hole 24 by the 4th glue
Belt conveyor 23 connects, and molding straw is unloaded and connected constant feeder 25 below hole 24, and constant feeder 25 exports successively with the
Five rubber conveyers 26, molding stalk crasher 27 and bag collector 28 connect, and the outlet of bag collector 28 is connected by pipeline
Exhaust blower 29, connects molding powder of straw conveying worm 30 below bag collector 27, molding powder of straw conveying worm 30 exports
It is connected to molding powder of straw storage warehouse 31 by elephant trunk.
The technique of the process equipment of the present embodiment molding powder of straw, the step of this technique is:
1) prepare and transport molding straw:
Straw is discharged in straw aggregate bin 14 by means of transport (truck 13) after being measured by straw metering platform scale 12, straw
Straw is sent on the first rubber conveyer 16 by the straw batcher 15 below stalk aggregate bin 14, and the first rubber conveyer 16 is by straw
Stalk delivers to straw crusher 17, and straw is delivered to straw by the second rubber conveyer 18 after straw crusher 17 is broken again
Type machine 19, obtains molding straw；Molding straw is fallen the 3rd rubber conveyer 20 from forming machine for straw 19 the most afterwards, the most directly
Picking in the first molding straw depots 21 or means of transport, molding straw is delivered to the second molding straw storage by means of transport again
Warehousing 22 or transport directly to molding straw and unload hole 24；
2) prepare molding powder of straw: through step 1) molding straw is delivered to the second molding straw depots 22 after, then pass through
4th rubber conveyer 23 deliver to type straw unload hole 24 in, or by step 1) be fed directly to molding straw unload hole 24 in after,
Delivered to the 5th rubber conveyer 26 of lower section again by constant feeder 25, molding straw is delivered to molding by the 5th rubber conveyer 26
Stalk crasher 27, through molding stalk crasher 27 pulverize qualified molding powder of straw by exhaust blower 29 suction bag collector 28
Collection is got off, and obtains molding powder of straw；The molding powder of straw that bag collector 28 is collected is by molding powder of straw conveying worm
30 deliver to molding powder of straw storage warehouse 31, can store molding powder of straw.
Embodiment 2
The annexation of process equipment of the present embodiment molding powder of straw and the step of technique are with embodiment 1, difference
Being that the present embodiment straw are not provided with the first molding straw depots 21, molding straw is sent directly into by means of transport (truck 13)
Two molding straw depots 22 or molding straw are unloaded hole 24.The present embodiment is applicable to cement factory place can arrange molding straw
The situation of stalk depots.
Embodiment 3
The annexation of process equipment of the present embodiment molding powder of straw and the step of technique are with embodiment 1, difference
Being that the present embodiment is not provided with the second molding straw depots 22, molding straw is sent directly into first by the 3rd rubber conveyer 20
Molding straw depots 21, then by means of transport (truck 13), molding straw is fed directly to molding straw and unloads hole by truck 13
24.It is little that the present embodiment is applicable to cement factory place, it is impossible to arranges the situation of molding straw depots.
Embodiment 4
The annexation of process equipment of the present embodiment molding powder of straw and the step of technique are with embodiment 1, difference
It is that the present embodiment is not provided with the first molding straw depots 21 and the second molding straw depots 22, the 3rd rubber conveyer 20
Molding straw is loaded truck 13, and molding straw is fed directly to molding straw and unloads hole 24 by truck 13.The present embodiment is applicable to
The situation that crop straw refuse yield is little, the molding straw sent here can be made to use up by cement clinker burning system at any time,
Without storing.
Embodiment 5
The present embodiment is a kind of cement clinker burning system, and this system applies the one-tenth that the processing technique of embodiment 1 is made
Type powder of straw is as fuel.
Embodiment 6
The annexation of process equipment of the present embodiment molding powder of straw and the step of technique are with embodiment 1, embodiment 1 institute
The molding powder of straw prepared is applied to Application No.: fuel as an alternative in the cement clinker burning system of 2015108686358.
Embodiment 7
The annexation of process equipment of the present embodiment molding powder of straw and the step of technique are with embodiment 1, embodiment 1 institute
The molding powder of straw prepared is applied in coal-burning boiler and biomass power plant.
The present invention does not addresses part and is applicable to prior art.
Claims (6)
1. the process equipment of a molding powder of straw, it is characterised in that this process equipment includes that straw measures platform scale, straw collection
Hopper, straw batcher, the first rubber conveyer, straw crusher, the second rubber conveyer, forming machine for straw, the 3rd adhesive tape
Conveyer, molding straw are unloaded hole, constant feeder, the 5th rubber conveyer, molding stalk crasher, bag collector, air draft
Machine, molding powder of straw conveying worm and molding powder of straw storage warehouse；Above-mentioned straw metering platform scale, straw aggregate bin, straw
Stalk batcher, the first rubber conveyer, straw crusher, the second rubber conveyer, forming machine for straw and the 3rd rubber conveyer
Being sequentially connected with according to process conditions, the material in the 3rd rubber conveyer directly pours the first molding straw depots into or by fortune
Defeated instrument is transported to the second molding straw depots or molding straw is unloaded hole, the material in described first molding straw depots is also
The second molding straw depots can be transported to by means of transport or molding straw is unloaded hole；Second molding straw depots and molding
Straw unload hole by the 4th rubber conveyer connect, molding straw unload hole below connect constant feeder, constant feeder
Outlet is connected with the 5th rubber conveyer, molding stalk crasher and bag collector successively, and pipeline is passed through in the outlet of bag collector
Connecting exhaust blower, connect molding powder of straw conveying worm below bag collector, the outlet of molding powder of straw conveying worm is passed through
Elephant trunk is connected to molding powder of straw storage warehouse.
The process equipment of molding powder of straw the most according to claim 1, it is characterised in that described straw crusher is electric power
Drive.
3. use a processing technique for the process equipment of molding powder of straw described in claim 1 or 2, this processing technique concrete
Step is:
1) prepare and transport molding straw:
Straw is discharged into the straw in straw aggregate bin, below straw aggregate bin by means of transport after being measured by straw metering platform scale
Straw is sent on the first rubber conveyer by stalk batcher, and straw is delivered to straw crusher, straw warp by the first rubber conveyer
Cross after straw crusher crushes and be delivered to forming machine for straw by the second rubber conveyer again, obtain molding straw；Molding straw from
Forming machine for straw is fallen on the 3rd rubber conveyer the most afterwards, is then sent directly into the first molding straw depots or means of transport
In, molding straw is delivered to the second molding straw depots by means of transport again or transports directly to molding straw and unload hole；
2) prepare molding powder of straw: through step 1) molding straw is delivered to the second molding straw depots after, then by the 4th glue
Belt conveyor is delivered to molding straw and is unloaded in hole, or by step 1) it is fed directly to molding straw and unloads after in hole, then by quantitatively giving
The 5th rubber conveyer of lower section delivered to by material machine, and molding straw is delivered to molding stalk crasher by the 5th rubber conveyer, through becoming
The qualified molding powder of straw that type stalk crasher is pulverized is collected by exhaust blower suction bag collector, obtains molding straw
Powder；The molding powder of straw that bag collector is collected is delivered to molding powder of straw storage warehouse by molding powder of straw conveying worm.
4. a cement clinker burning system, it is characterised in that the one-tenth that processing technique described in this system application claim 3 prepares
Type powder of straw is as fuel.
Cement clinker burning system the most according to claim 4, it is characterised in that the dore furnace in this system and molding straw
Stalk powder burner connects, and described molding powder of straw burner is by molding powder of straw conveyance conduit with helical feed delivery side of pump even
Connecing, the exit of screw delivery pump is additionally provided with roots blower, the entrance of screw delivery pump through molding powder of straw metering feed weigher with
Molding powder of straw storage warehouse connects.
Cement clinker burning system the most according to claim 5, it is characterised in that this system is Application No.:
Cement clinker burning system described in the Chinese patent of 2015108686358.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777918.6A CN106179686B (en) | 2016-08-31 | 2016-08-31 | A kind of process equipment, technique and the application of molding straw powder |
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| CN201610777918.6A CN106179686B (en) | 2016-08-31 | 2016-08-31 | A kind of process equipment, technique and the application of molding straw powder |
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| CN106179686B (en) | 2018-09-04 |
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