CN102191104B - Biomass fuel straw starch coproduction process and equipment - Google Patents
Biomass fuel straw starch coproduction process and equipment Download PDFInfo
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- CN102191104B CN102191104B CN201110079915.2A CN201110079915A CN102191104B CN 102191104 B CN102191104 B CN 102191104B CN 201110079915 A CN201110079915 A CN 201110079915A CN 102191104 B CN102191104 B CN 102191104B
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- 229920002472 Starch Polymers 0.000 title claims abstract description 47
- 235000019698 starch Nutrition 0.000 title claims abstract description 47
- 239000008107 starch Substances 0.000 title claims abstract description 47
- 239000000446 fuel Substances 0.000 title claims abstract description 41
- 239000010902 straw Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000002028 Biomass Substances 0.000 title claims abstract description 25
- 240000008042 Zea mays Species 0.000 claims abstract description 74
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 74
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims abstract description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 59
- 235000009973 maize Nutrition 0.000 claims description 59
- 238000001125 extrusion Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 19
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 15
- 239000003245 coal Substances 0.000 claims description 10
- 239000003077 lignite Substances 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 239000004021 humic acid Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- 235000017550 sodium carbonate Nutrition 0.000 claims description 7
- 239000002585 base Substances 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 235000011837 pasties Nutrition 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 210000003953 foreskin Anatomy 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 abstract description 15
- 235000005822 corn Nutrition 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010903 husk Substances 0.000 abstract 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 241000282472 Canis lupus familiaris Species 0.000 description 8
- 235000006085 Vigna mungo var mungo Nutrition 0.000 description 7
- 240000005616 Vigna mungo var. mungo Species 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000416 hydrocolloid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004520 agglutination Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
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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
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a method and a tool for utilizing straws, namely a biomass fuel straw starch coproduction process and biomass fuel straw starch coproduction equipment. The biomass fuel straw starch coproduction process is characterized by comprising the following steps of: preparing starch from corn husk; adding alkali into the starch to prepare starch glue; crushing corn straws or plant biomass; and mixing the powder with the starch glue and pressing to prepare blocky fuel. The biomass fuel straw starch coproduction process and the biomass fuel straw starch coproduction equipment have the advantages that: biomass compressed fuel is produced by using corn husk starch glue as an adhesive and the requirement on the crushing degree of the biomass is not high, so electric energy can be saved, the corn husk can be utilized completely; the additional value is increased; and in particular, the special equipment can obviously increase production efficiency of biomass fuel such as the straws and the like and can reduce production cost so as to create conditions for popularization and application of the biomass compressed fuel.
Description
Technical field
The present invention relates to a kind of Method and kit for of straw utilization, i.e. a kind of biomass fuel straw starch coproduction process and equipment.
Background technology
Corn is the staple crops of northern China, and maize straw was once the producing region people's main life fuel.Along with the raising of expanding economy and living standards of the people, the modern fuels such as coal is electric and equipment enter farmers' family, and stalk fuel is progressively replaced, and has produced thus the problem of maize straw surplus.Pile up like a mountain for many rural areas residue stalk, become the hidden danger of growing insect, initiation fire.Some place takes to concentrate the measure of burning to process remaining stalk, has not only wasted resource, but also has caused the problems such as atmospheric pollution, brushfire and aviation obstacle.In recent years, utilize the item researchs such as maize straw Fodder making, biogas or chopping and returning to obtain successfully, but because stalk amount is large, utilization ratio is still very low.But the appearance of stalk compressed fuel, for straw utilization has brought hope.Stalk compressed fuel is exactly that stalk is pressed into the block fuel of high-density, can accumulating and use as coal., the cost of existing stalk compressed fuel is too high, is difficult to prevalence.Taking current state-of-the-art spiral squeezing hot press forming technology as example, need first by crushed stalk, rub, particle diameter is generally below 15mm, then sends in extruser and extrude, in extruding, by more than 200 DEG C electrothermal tubes, make the colloidalmaterial gelatinization cohesion on the excellent top layer of stalk and moulding.Only electrothermal tube power consumption wherein just reaches 200-300 KWh/ton, and efficiency is very low, and approximately 0.3 ton of one hour turnout of general Pump for Medium and Small Power Generating Set is close to or higher than the price of coal by the comprehensive cost of calorific value calculation.
Summary of the invention
The object of this invention is to provide one can significantly reduce costs, and increases the stalk fuel Processes and apparatus of benefit.
Above-mentioned purpose is realized by following technical scheme: a kind of biomass fuel straw starch coproduction process is provided, be characterized in: the foreskin that is mealie maize peel is produced starch, again starch is made to amylan, separately maize straw or plant biomass are pulverized, with amylan mixing die mould, make patch fuel.
The process of said joint process is: maize peel is put into heating tank and soaks to boil and boil, add soda ash to boil, pull out and mash, starch-hydrocolloid, separately by straw chopping, mix feeding extrusion machine with amylan, extrusion molding.
The process of said joint process is: maize peel is soaked to 3-4 hour, in tank, add water boil, add soda ash by the 12-18% of maize peel weight, about heated and boiled 4 hours, pull out and mash, starch-hydrocolloid, separately by straw chopping, get a part and mix with amylan, jointly feed extrusion machine, extrusion molding with other stalks.
The process of said joint process is: maize peel is soaked to 3-4 hour, add water boil in tank, add soda ash Na by the 12-18% of maize peel weight
2cO
3about heated and boiled 4 hours; when boiling to cease fire to can be twisted into thread time, maize peel pulls out; wash away the concentrated alkali solution in maize peel with clear water; when being washed till pH value of solution and being 8-9; put into cylinder and mash, then add a small amount of clear water and rub, obtain slurries by squeezing; squeezing white pasty state liquid is out put into pretipitatin jar; upper strata clear water is separated, obtains throw out and be starch, by squeezing maize peel wine with dregs leaf together with wherein retain starch; adding alkali, to make amylan for subsequent use; separately, by straw chopping, mix feeding extrusion machine, extrusion molding together with amylan.
The process of said joint process is: maize peel is soaked to 3-4 hour; in tank, add water boil; add soda ash heated and boiled about 4 hours by the 12-18% of maize peel weight; when boiling to cease fire to can be twisted into thread time, maize peel pulls out; a part washes away the concentrated alkali solution in maize peel with clear water; when being washed till pH value of solution and being 8-9; putting into cylinder mashes; adding a small amount of clear water rubs again; obtain slurries by squeezing; squeezing white pasty state liquid is out put into pretipitatin jar, and upper strata clear water is separated, and obtaining throw out is exactly starch.Another part maize peel is smashed to pieces and is made amylan together with the starch wherein retaining, and separately by straw chopping, mixes feeding extrusion machine, extrusion molding together with amylan.
Said maize peel adds after alkali glue together with starch wherein, mixes, then enter extrusion machine extruding die mould with the stalk of pulverizing with the humic acids on coal slime or brown coal or brown coal upper strata.
The equipment of said joint process comprises starch isolation tank, smash cylinder, stalk crasher and extrusion machine, wherein, heating tank has the tank body of a hollow, the lower space of tank body is equipped with fire grate, it above fire grate, is fire box, ashpit below, tank body top one side is provided with opening for feed, above opening for feed, be provided with gland, opposite side is provided with discharge port, auger is equipped with in discharge port the inside, the lid that baroclines is equipped with in the outer end of discharge port, there is the rotating shaft of setting in tank body the inside, rotating shaft upper end and motor output end join, bottom is provided with outside screw, and equipped a slice sieve, be provided with conical gear at rotating shaft epimere, conical gear is meshed with the conical gear of auger axle head, the top of rotating shaft is also provided with pusher dog wheel.
The equipment of said joint process comprises starch isolation tank, smashes cylinder, stalk crasher and extrusion machine, and wherein, the discharge nozzle of extrusion machine is through the fire box of starch heating tank.
The equipment of said joint process comprises starch heating tank, smashes cylinder, stalk crasher and extrusion machine, and wherein, the discharge nozzle outside of extrusion machine is provided with interlayer, between extractor and interlayer, is provided with vapour pipe.
Said extrusion machine is provided with hydraulic ram and piston rod, and piston rod front end is equipped with platen, and the mold pressing cover of platen and a kind of annular matches, and mold pressing is mounted on base.
The invention has the beneficial effects as follows: produce biomass compression fuel taking maize peel amylan as tackiness agent, degree of grinding to biomass is less demanding, and can save electric energy, and can make maize peel be fully utilized, improve added value, the specific equipment that particularly provided, can significantly improve the productivity of the biomass fuels such as stalk, reduce production costs, thereby created condition for the popularization and application of biomass compression fuel.
Brief description of the drawings
Fig. 1 is the process flow sheet of the first embodiment;
Fig. 2 is the equipment front view of the first embodiment;
Fig. 3 is the front view of the equipment tank body of the first embodiment;
Fig. 4 is the front view of the equipment unit net dish of the first embodiment;
Fig. 5 is the vertical view of the equipment unit net dish of the first embodiment;
Fig. 6 is the front view of the equipment unit pusher dog wheel of the first embodiment;
Fig. 7 is the vertical view of the equipment unit pusher dog wheel of the first embodiment;
Fig. 8 is the front view that the equipment of the first embodiment is smash cylinder;
Fig. 9 is the left view that the equipment of the first embodiment is smash cylinder;
Figure 10 is the process flow sheet of the second embodiment;
Figure 11 is the front view of the third embodiment;
Figure 12 is the front view of the 4th kind of embodiment;
Figure 13 is the process flow sheet of the 5th kind of embodiment;
Figure 14 is the front view of the 6th kind of embodiment;
Figure 15 is the vertical view of the 6th kind of embodiment;
Figure 16 is the mode of operation schematic diagram of the 6th kind of embodiment.
Visible in figure: heating tank 1, smash cylinder 2, extrusion machine 3, tank body 4, fire grate 5, combustion chamber 6,, sieve 7, rotating shaft 8, discharge port 9, baroclines and covers 10, auger 11, pusher dog wheel 12, conical gear 13, motor 14, opening for feed 15, small opening 16, lifting cover 17, beater 16,, lever 19, beater motor 20, interlayer 21, vapour pipe 22, hydraulic ram 23, piston rod 24, platen 25, mold pressing cover 26, base 27, fuel brick 28, boom 29.
Embodiment
The total design of the present invention is: maize peel is produced to starch, then starch is made to amylan, separately the biomass such as maize straw or other weeds are pulverized and amylan mixing die mould, make patch fuel.Maize peel is the foreskin of mealie outside, and general output is 10% left and right of corn yield, and the contained dry starch of every 100kg maize peel reaches 50kg left and right.Be example by upper medium corn yield 900kg/ mu, can receive maize peel 90kg left and right, starch-containing about 45kg, can extract 40kg.And the about 1200kg of dry stalk of 1 mu of corn, briquetting needs amylan 150kg, wherein uses starch 5kg, still has 35kg starch to sell, and by 4 yuan/kg of current price, is worth 140 yuan, removes 40 yuan of costs, still can take in 100 yuan.1.2 tons of compacting stalk fuels, 300 yuan of prices per ton, remove 100 yuan of costs, 200 yuan of mu incomes.Two add up to mu income can reach 300 yuan.100 yuan of calculating of economize on electricity per ton, mu is saved 120 yuan.Mu is increased income and economized on spending more than 420 yuan.There is in addition the social benefits such as the coal of saving, protection of the environment, raising people's living standard.Only introduce several embodiment below:
The first embodiment: Fig. 1 has represented a kind of technical process, and dry maize peel enters to soak, then enters tank together with wet corn skin and add buck and boil, pull out into cylinder and mash, starch-hydrocolloid, separately by crushed stalk, mix feeding extrusion machine with amylan, extrusion molding.Concrete steps are:
1. select materials.Maize peel is in layer separated, reject the cortex rotting, and by old, dry, tender, blue or green separating.
2. water logging.Old maize peel is put into cylinder, soak about 3-4 hour with clear water, allow it fully absorb water, tender, green can not water logging.
3. alkali lye boiling.In heating tank, put clear water into, be heated to after water boiling, by 15% of maize peel weight, in boiling water, add soda ash Na
2cO
3, treat that alkali all dissolves, the corn skin soaking and the green corn skin that do not steep are dropped in tank.Water in tank to be to flood maize peel as degree, and then heated and boiled, about 4 hours, stirred once every 20 minutes, constantly supplements appropriate hot water simultaneously, and the hydroxy in base molecule can destroy the combination between fiber and xylogen in maize peel, to improve starch productive rate.
4. soda.Maize peel boils to becoming when silk with hand rubbing, has proved fiber in maize peel substantially and lignin separation, and at this moment just truce is pulled out.
5. squeezing.Maize peel is put into and smash cylinder (2), start beater motor (20) maize peel is mashed, agglutination, then add the buck 30kg of concentration 10% by every 1kg starch, also can supply with the alkali lye of boiled corn skin, just make together with maize peel wine with dregs leaf at interior amylan.
6. crushed stalk.Adopt pulverizer corn straw smashing, below length 50mm, preferably rub to soft.
7. mixed gum forming.By amylan 150kg, mix with the dry stalk 1200kg pulverizing, send into extrusion machine (3) and be squeezed into piece.Here said mixing can be uniform mixing, can be also the mixing of part, fixing as long as some stalk bonds mutually in briquetting.
8. dry.Stalk briquette is carried out to natural drying or heating, drying all can.Recommend to dry with the waste heat of heating tank (1).
Said process can adopt simple equipment, as heating iron pan, smashs to pieces with vat and wooden stick, and crushed stalk is with chopper etc.In order to raise the efficiency, this example is released a set of specific equipment.As this complete equipment of Fig. 2 mainly comprises heating tank (1), smashes cylinder (2), extrusion machine (3).In addition also has stalk crasher, therefore do not draw because belonging to conventional equipment.As shown in Figure 3, heating tank (1) is also that a container-like tank body (4) has fire grate (5) below, and fire grate (5) is combustion chamber (6) above.Here fire grate (5) and combustion chamber (6) should be designed by stalk fuel, because stalk cost is low.A slice net dish (8) is arranged at bottom, tank body (4) the inside, and in conjunction with Fig. 4,5 visible, this sieve (7) is that a slice is covered with small opening (16), and centre is a lifting cover (17).In the inside of tank body (1), there is the rotating shaft (8) of a setting along axial line, rotating shaft (8) upper end cans picking is pushed up motor (14) above, the middle and lower part of rotating shaft (8) is one section of external screw rod, and matches with the screw of the lifting cover (17) in the middle of sieve (7).Rotating shaft (8), sieve (7) can upper and lower translation.In a side of tank body (1), there is an opening for feed (15), there is lid above.Be provided with a discharge port (10) at the opposite side of tank body (1), there is oblique lid (11) port outside.Auger (12) is equipped with in opening for feed (10) the inside.There is conical gear (13) auger (12) the inner, is meshed with the conical gear (13) in rotating shaft (8).Pusher dog wheel (12) is also housed in rotating shaft (8), and in conjunction with Fig. 6,7 visible, pusher dog wheel (12) is equipped with many good pusher dogs of elasticity around.In conjunction with Fig. 8,9 visible, smashing cylinder (2) is an open containers, and beater (18) is equipped with in the inside, the small end phase hinge of the connecting rod of beater (18) and a lever (19).The crank phase hinge of the large end of lever (19) and beater motor (20) output shaft end.Fulcrum on lever (19) is fixed on support by axle.
When work, first start motor (14) and make sieve (7) drop to lower-most point, then maize peel and water are put into heating tank (1), the upper cover of closing opening for feed (14) from opening for feed (15).The inside, combustion chamber (6) below tank body (4) adds bavin and lights, in the time that maize peel is cooked, start motor (14) reversion, sieve rises, maize peel approaches the auger (11) of discharge port (9), and auger (11) rotates under the drive of conical gear (13).Pusher dog wheel (12) above rotating shaft is pushed auger (11) to maize peel in rotation, auger (11) can be released maize peel discharge port (10), the oblique lid (10) of discharge port (10) outer end depends on deadweight to close at ordinary times, but can be squeezed by maize peel.The maize peel of releasing enters smashes cylinder (2), starts beater motor (20), drives beater (18) to move up and down by lever (19), and maize peel is mashed to plastic.Now, pulverizer is for subsequent use by crushed stalk, and the stalk of amylan and pulverizing is mixed into extrusion machine (3), is forced to extrude by the compression auger of the inside, can become highdensity stalk fuel.
The second embodiment: Figure 10 has represented another kind of technical process.Maize peel is soaked to 3-4 hour, in tank, add water boil, add soda ash by the 12-18% of maize peel weight, heated and boiled was ceased fire and is pulled out about 4 hours, wash away the concentrated alkali solution in maize peel with clear water, when being washed till pH value of solution and being 8-9, putting into cylinder mashes, adding a small amount of clear water rubs again, obtain slurries by squeezing, squeezing white pasty state liquid is out put into pretipitatin jar, upper strata clear water is separated, obtain throw out and be starch, can process rear packing and selling or his use, separately by the maize peel of squeezing together with the starch wherein retaining, put into cylinder, mash or pulverize with pulverizer with wooden stick, agglutination, add again the buck 30kg of concentration 10% by every 1kg starch, also can supply with the alkali lye of boiled corn skin, just make together with maize peel wine with dregs leaf at interior amylan.By corn straw smashing, below length 50mm, preferably rub to soft simultaneously.By amylan 150kg, mix with the stalk 1200kg pulverizing, mix feeding extrusion machine, extrusion molding together with colloid.Here said mixing can be uniform mixing, can be also the mixing of part, fixing as long as some stalk bonds mutually in briquetting.
The third embodiment: as shown in figure 11, the outlet of extrusion machine (3) is a long tube, through heating tank (1) combustion chamber (6) below, the fuel of extruding can be dried and solidify through high-temperature zone.Certainly, this device, can also replace existing electrothermal tube, and stalk used need not add glue and also can solidify.
The 4th kind of embodiment: as shown in figure 12, the outside of extrusion machine (3) is provided with interlayer (21), is provided with vapour pipe (22) between heating tank (1) and interlayer.It acts on like the previous example, and the temperature of material in raising machine, so that better curing molding.
The 5th kind of embodiment: maize peel adds after alkali glue together with starch wherein, enters extrusion machine moulding with the stalk of coal slime or brown coal or Lignitic Humic Acid and pulverizing.This mode, can utilize low value coal, improves calorific value and the intensity of fuel.Particularly utilize lignite humic acid, better effects if.Because lignite humic acid is the not coal-forming on upper strata, outdoor brown coal ore deposit, long-term stacking after exploitation, contaminate environment, becomes the public hazards in mining area.Research is found.Lignite humic acid there will be good viscosity through extruding after suitably adding water, and can strengthen the effect of amylan, and humic acids also has certain calorific value in addition, can improve the combustion efficacy of stalk fuel.
The 6th kind of embodiment: Figure 14,15,16 introduced a kind of Straw Extruder (3), has hydraulic ram (23), piston rod (24), platen (25), mold pressing cover (26) and base (27) etc.Hydraulic ram (23) is fixed in frame, piston rod (24) lower end of the hydraulic ram the inside platen (25) that is being connected, it is circular that platen (25) is preferably, and match with ringwise mold pressing cover (26), mold pressing cover (26) has a tabular base (26) below.When work, pack the material such as stalk and coal slime into mold pressing cover (26), start hydro-pump, application piston bar (24) is descending, the material compression of mold pressing cover (26) the inside is become column by platen (25), mention again mold pressing cover (26), can take out fuel brick (28).The mold pressing cover (26) here can be an overall cylindrical sleeves, also can be as shown in the figure: by two curved plates to becoming, connect by boom (29), can be as shown in figure 16 while compression, take out boom (29), mold pressing cover (26) is opened, and the fuel brick (28) of compression can take out.Such fuel brick (28) volume is larger, and intensity is higher, can stack dry, be applicable to long distance transportation, can replace coal as industrial heat resources.
Claims (4)
1.
a kind of biomass fuel straw starch cogeneration facility, it is characterized in that: described cogeneration facility comprises starch heating tank (1), smash cylinder (2), stalk crasher and extrusion machine (3), wherein, heating tank (1) has the tank body (4) of a hollow, the lower space of tank body (4) is equipped with fire grate (5), fire grate (5) is combustion chamber (6) above, tank body top one side is provided with opening for feed (15), opening for feed (15) is provided with gland above, opposite side is provided with discharge port (9), auger (11) is equipped with in discharge port the inside, the lid (10) that baroclines is equipped with in the outer end of discharge port (9), there is the rotating shaft (8) of setting in tank body (4) the inside, rotating shaft (8) upper end and motor (14) output terminal join, bottom is provided with outside screw, and be fitted with sieve (7), be provided with conical gear (13) at rotating shaft (8) epimere, conical gear (13) is meshed with the conical gear (13) of auger (11) axle head, the top of rotating shaft (8) is also provided with pusher dog wheel (12), the discharge nozzle of said extrusion machine (3) is through the combustion chamber (6) of heating tank (1), the discharge nozzle outside of extrusion machine (3) is provided with interlayer (21), between heating tank (1) and interlayer (21), be provided with vapour pipe (22).
2.
biomass fuel straw starch cogeneration facility according to claim 1, it is characterized in that: described extrusion machine (3) is provided with hydraulic ram (23) and piston rod (24), piston rod (24) front end is equipped with platen (25), the mold pressing cover (26) of platen (25) and a kind of annular matches, and mold pressing cover (26) is placed on base (27).
3.
a kind of biomass fuel straw starch cogeneration facility according to claim 1, it is characterized in that: the foreskin that described equipment is mealie maize peel is produced starch, again starch is made to amylan, separately maize straw or plant biomass are pulverized, with amylan mixing die mould, make patch fuel, its process is: maize peel is soaked 3-4 hours, in heating tank (1), add water boil, add soda ash Na by 12-18% of maize peel weight 2 cO 3 heated and boiled 4 hours; when boiling to cease fire to can be twisted into thread time, maize peel pulls out; wash away the concentrated alkali solution in maize peel with clear water; when being washed till pH value of solution and being 8-9; put into and smash cylinder (2) and mash, then add a small amount of clear water and rub, obtain slurries by squeezing; squeezing white pasty state liquid is out put into pretipitatin jar; upper strata clear water is separated, obtains throw out and be starch, by squeezing maize peel wine with dregs leaf together with wherein retain starch; adding alkali, to make amylan for subsequent use; separately, by straw chopping, mix feeding extrusion machine (3), extrusion molding together with amylan.
4.
biomass fuel straw starch cogeneration facility according to claim 3, it is characterized in that: the use procedure of described equipment is: after the starch glue of said maize peel, mix with coal slime or brown coal or lignite humic acid, then enter extrusion machine (3) extruding die mould with the stalk of pulverizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079915.2A CN102191104B (en) | 2011-03-31 | 2011-03-31 | Biomass fuel straw starch coproduction process and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079915.2A CN102191104B (en) | 2011-03-31 | 2011-03-31 | Biomass fuel straw starch coproduction process and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102191104A CN102191104A (en) | 2011-09-21 |
| CN102191104B true CN102191104B (en) | 2014-06-11 |
Family
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| CN102533377A (en) * | 2011-11-24 | 2012-07-04 | 北华大学 | Straw compressed fuel special for firewood-saving furnace |
| CN103013610B (en) * | 2012-11-30 | 2014-06-04 | 内蒙古科技大学 | Method for preparing biomass briquette by virtue of lower-calorific-value coal |
| CN104475185A (en) * | 2014-11-12 | 2015-04-01 | 无锡市百顺机械厂 | Straw crusher |
| CN108085081B (en) * | 2017-12-19 | 2021-01-26 | 中国矿业大学 | Preparation process of biomass briquette by taking coal slime as raw material |
| CN108753405A (en) * | 2018-08-21 | 2018-11-06 | 芜湖聚焰生物质能源科技有限公司 | The preparation method of straw biomass fuel |
| AT18224U1 (en) * | 2023-02-17 | 2024-06-15 | EFFECTUS Energy GmbH | Process for producing piece goods from corn husks and piece goods produced thereby |
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