CN108251179A - A kind of method that agricultural wastes and sludge are mixed with green energy fuel - Google Patents
A kind of method that agricultural wastes and sludge are mixed with green energy fuel Download PDFInfo
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- CN108251179A CN108251179A CN201810072088.6A CN201810072088A CN108251179A CN 108251179 A CN108251179 A CN 108251179A CN 201810072088 A CN201810072088 A CN 201810072088A CN 108251179 A CN108251179 A CN 108251179A
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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
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
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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
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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
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Oil, Petroleum & Natural Gas (AREA)
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- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of agricultural wastes and sludge be mixed with it is green can fuel method, be using agricultural wastes and sludge as raw material, by crushing, drying, mixing, the processes such as sieve, final green energy fuel be prepared.In combustion, mud component is converted into hydrocarbon to the green energy fuel being prepared through high temperature action, can provide certain calory burning as excellent auxiliary fuel；Agricultural wastes component has excellent combustibility, discharges a large amount of heat in combustion process；And residue can be directly as soil conditioner and fertilizer, without compost treatment, so as to avoid that environment is damaged after it burns.
Description
Technical field
The present invention relates to technical field of renewable energy sources, more particularly to a kind of agricultural wastes and sludge mixing system
The method of standby green energy fuel.
Background technology
Agricultural wastes refer to wood fibre object or flammable plant, the space packet filler that bacterium agriculture abandons, greening pruner
Branch, leaf afterwards, disconnected branch, the residual wood of cleaning after calamity, offal, the sawdust of woodworking mill's output, agriculture receive after paddy, rice straw,
Cornstalk, peanut shell and sugarcane slag etc..Agricultural wastes quantity is big and has seasonality, can not be by way of burning or burying
Reason.It is that recycling makes compost to be currently known optimum treatment mode.But making compost needs prolonged biological respinse that could give birth to
Into the problems such as soil, equipment wheel rate of rotation are low and processing cost is high can be caused.And making can generate largely in composting process
Carbon dioxide and biogas can damage to environment, cause serious greenhouse effects.
In addition, a large amount of industrial wastewater can be generated in industrial processes, and these industrial wastewaters need to pass through at sewage
It could be discharged after reason.In sewage disposal process, then a large amount of sludge can be generated, these sludge are also deposited in subsequent processing
In certain problem.The processing mode of sludge is mainly used for preparing Footpath brick, fills out extra large Wave-dissipating block or controlling low-intensity at present
Backfilling material (CLSM) etc..But preparation process is complicated, processing cost is high, and needs to carry out strict supervision.
Therefore it provides a kind of method that agricultural wastes and sludge are mixed with green energy fuel, to increase agricultural wastes
With the processing approach of sludge, the problem of being those skilled in the art's urgent need to resolve.
Invention content
In view of this, the present invention provides a kind of method that agricultural wastes and sludge are mixed with green energy fuel, energy
Enough that agricultural wastes and sludge are processed and recycled, processing cost is low, and will not damage to environment.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of method that agricultural wastes and sludge are mixed with green energy fuel, which is characterized in that include the following steps：
(1) first agricultural wastes are crushed with processing, then crushing rear material is sieved, takes the agriculture waste after screening
Object；
(2) harmless treatment is carried out to sludge again, it is made to be converted to inorganic material is stabilized；
(3) above-mentioned agricultural wastes with sludge according to mass ratio for 70: 33-27 are mixed, then crushes processing, it is right
Crushing rear material sieves, and takes the mixed material after screening；
(4) mechanical drying processing is carried out to said mixture material, obtains dried ingot；
(5) by above-mentioned ingot compression moulding, green energy fuel is obtained.
A kind of green energy fuel is prepared as raw material using agricultural wastes and sludge in the present invention, and it is useless on the one hand to increase agricultural
The processing approach of gurry and sludge avoids agricultural wastes processing procedure from causing largely to destroy, while reduce sludge to environment
Processing cost；On the other hand the green energy fuel obtained is excellent as the raw material performance of burning, can provide a large amount of heat,
The problem of shortages of resources such as oil, natural gas can effectively be alleviated.
Preferably, the grain size of the agricultural wastes in the step (1) after screening is less than 50 mesh.
The present invention first crushes agricultural wastes, sieve after obtain the raw material that grain size is less than 50 mesh, since grain size is less than 50
Mesh can more rapidly and effectively realize the mixing of agricultural wastes and sludge so that the mixed material being prepared can mix
Evenly, so as to make the green energy fuel combustion performance, the storge quality stable homogeneous that are finally prepared.
Preferably, it is specially to use the bi-component exothermic mixture containing quick lime and ferric aluminium sulfate in the step (2), to sludge
It is dried, is dehydrated, modification, it is made to be converted to inorganic material is stabilized.
The present invention can be dropped using " lime method " one pack system sludge treatment technique existing outside two-component exothermic mixture surrogate
Low sewage sludge harmlessness processing cost.Appropriate addition two-component exothermic mixture can be such that sludge is brought rapidly up to 100 DEG C or more, the short time
Inside there are a large amount of water vapours to evaporate, achieve the purpose that dry, dehydration, modified and sterilization.It is adjustable by acid and alkali double component mixing ratio
The acid-base value of whole Treatment of Sludge object, and the increased element of exothermic mixture used is the elements such as calcium, iron, aluminium, without radioactivity,
It can be received by general building material.Compared to one-component exothermic mixture is made, the bi-component exothermic mixture that the present invention uses can make
The heat of generation increases by more than 30%.
Preferably, the exothermic mixture used in the step (2) includes basic component and acidic components, wherein exothermic mixture alkalinity
Component is active quick lime, and key reaction is：
CaO+H2O=Ca (OH)2, which, which belongs to hydration reaction, can release a large amount of heat.
Ca(OH)2+ A=B+NH3↑, wherein A represents the organic matter in sludge, and B represents organic calcium salt, can by this reaction
Organic matter in sludge is converted to inorganic matter.
Exothermic mixture acidic components are ferric sulfate aluminium salt, can also use slag or otherization that steel mill's pickling sulphate of iron dries
Work iron dross removing, key reaction can simplify and be described as：
Fe2(SO4)3+6H2O=2Fe (OH)3+3H2SO4, which belongs to hydration reaction, can release a large amount of heat, make
The temperature moment of sludge improves；
Al2(SO4)3+6H2O=2Al (OH)3+3H2SO4+ hydration heat, the reaction belong to hydration reaction, can release big
The heat of amount improves the temperature moment of sludge；
It can chemically react, be embodied as between the acid of exothermic mixture, two components：
Ca(OH)2+H2SO4=CaSO4+2H2O, the reaction belong to acid-base neutralization reaction, and reaction can release a large amount of heat
Amount.
Preferably, the grain size of the mixed material in the step (3) after screening is less than 80 mesh.
The present invention crushes after mixing agricultural wastes and sludge, screening obtains the mixed material that grain size is less than 80 mesh, when
Mixed material grain size can improve dry efficiency when being less than 80 mesh so that mixed material is dried more abundant.
Preferably, the mass ratio of agricultural wastes and sludge is 7: 3 in the step (3).
In combustion, sludge and agricultural wastes obtain excellent combustibility by cooperating, dirty under high temperature
Mud can be converted into hydrocarbon, and agricultural wastes burning can be assisted to provide a large amount of heat；And inventor has found to give up agricultural
The mass ratio of gurry and sludge is controlled at 7: 3, and the fiting effect of agricultural wastes and sludge is the most excellent.
Preferably, the step (4) includes dried ingot moisture content less than 20%.
Dried ingot moisture control in the range of less than 20%, both can guarantee and remove a part of water by the present invention
Point, and can guarantee the processability for not influencing ingot in pressing process.
Preferably, the green energy water-in-fuel rate of compression moulding is less than 10% in the step (5).
The moisture control of the green energy fuel of compression moulding less than 10%, can effectively removed green energy combustion by the present invention
Moisture in material avoids moisture from influencing the combustibility and storge quality of green energy fuel.
Preferably, the agricultural wastes include wood fibre object or flammable plant one or two therein.
The agricultural wastes that the present invention uses include wood fibre object or flammable plant one or two therein, have
Excellent combustibility so that the green energy fuel being prepared has excellent performance.
Preferably, the agricultural wastes include branch, leaf, flowers and trees branch, space packet filler, sawdust, rice straw, corn
Bar, peanut shell or bagasse are therein one or more.
Branch that the present invention uses, leaf, space packet filler, sawdust, rice husk, cornstalk, peanut shell, bagasse belong to
In agricultural wastes, the present invention provides a kind of novel agricultural wastes processing means, and it is right in processing procedure to avoid
Environment causes serious harm.
Preferably, the mixed material addition storage cylinder for obtaining screening is further included in the step (3) to keep in.
Preferably, it is further included in the step (4) and keeps in dried ingot addition storage cylinder.
Preferably, it is further included in the step (5) and keeps in the green energy fuel addition storage cylinder that compacting obtains.
The present invention can increase mixed material, ingot, green energy fuel and increase storage time, while avoid influencing the storage of substance
Sustainability energy can realize buffering market and production capacity demand by extending storage time.
Preferably, it is further included in the step (5) and green energy fuel is subjected to bag distribution packaging.
The present invention, which can facilitate green energy fuel progress bag distribution packaging, to be transported and is stored.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of agricultural wastes
The method of green energy fuel is mixed with sludge, green energy fuel is prepared as raw material using agricultural wastes and sludge.It is firing
During burning, mud component high temperature action is converted into hydrocarbon, can provide certain combustion as excellent auxiliary fuel
The amount of heating；Agricultural wastes component has excellent combustibility, discharges a large amount of heat in combustion process.And it is prepared
It is green can residue can be directly as soil conditioner and fertilizer, without composting step, so as to avoid to environment after fuel combustion
It damages.
Specific embodiment
The technical solution in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.
Embodiment 1
Present embodiment discloses a kind of methods that agricultural wastes and sludge are mixed with green energy fuel, specifically include as follows
Step：
(1) sawdust addition pulverizer is crushed into processing, reuses 50 mesh screens and crushing rear material is sieved, take
Material by sieve is the agricultural wastes that grain size is less than 50 mesh；
(2) the bi-component exothermic mixture containing quick lime and ferric aluminium sulfate is used, sludge is dried, is dehydrated, modification,
It is made to be converted to inorganic material is stabilized；
(3) agricultural wastes and sludge after above-mentioned screening are weighed respectively for 70: 33 according to mass ratio, then add in and crush
It is mixed and is crushed in machine, reused 80 mesh screens and crushing rear material is sieved, take the mixture material by sieve
Material is the mixed material that grain size is less than 80 mesh；
(4) said mixture material is added in dryer and processing is dried, obtain the ingot that moisture content is less than 20%；
(5) above-mentioned ingot is added in into the type of squeezing equipment and carries out extrusion forming, obtain green energy fuel of the moisture content less than 10%.
In order to advanced optimize technical solution, obtained mixed material addition storage cylinder will be sieved by being further included in step (2)
It is temporary.
In order to advanced optimize technical solution, further included in step (3) and keep in dried ingot addition storage cylinder.
In order to advanced optimize technical solution, obtained green energy fuel addition storage cylinder will be suppressed by being further included in step (4)
It is temporary.
In order to advanced optimize technical solution, the dryer used in step (4) is roller drying machine.
In order to advanced optimize technical solution, further included in step (5) and green energy fuel is subjected to bag distribution packaging.
In order to advanced optimize technical solution, the crowded type equipment used in step (5) is spiral extrusion shaping equipment,
During extrusion forming, raw material granularity 8mm used or so, moisture content of the raw material 8-20%, material density 0.06-0.15g/m3、
Raw material rolling thickness 50mm, molding bar density 0.8-1.2g/m3, roller rotating speed 75r/min.
During carrying out extrusion forming using spiral extrusion shaping equipment, the raw material in feed zone is tight under the effect of gravity
It is attached in flat membrane, when roller rotates forward, enters deformed area and squeeze；In deformed area raw material be squeezed constantly enter particle it
Between gap, the air in gap is discharged, and with being rotated further for roller, the raw material being compacted enters extrusion forming area；
Extrusion forming area residual force is stored in inside molding raw material, and particle is caused to be firmly combined with but unstable；Molding raw material continues
Entering module guarantor's type section under extrusion, the residual stress that module guarantor's type section is unfavorable for shape holding is eliminated, material setting, so as to
Obtain final green energy fuel ingot.
Embodiment 2
Present embodiment discloses a kind of methods that agricultural wastes and sludge are mixed with green energy fuel, specifically include as follows
Step：
(1) by space packet filler material addition pulverizer crush processing, reuse 50 mesh screens to crushing rear material into
Row screening, it is the agricultural wastes that grain size is less than 50 mesh to take the material by sieve；
(2) the bi-component exothermic mixture containing quick lime and ferric aluminium sulfate is used, sludge is dried, is dehydrated, modification,
It is made to be converted to inorganic material is stabilized；
(3) agricultural wastes and sludge after above-mentioned screening are weighed respectively for 70: 27 according to mass ratio, then add in and crush
It is mixed and is crushed in machine, reused 80 mesh screens and crushing rear material is sieved, take the mixture material by sieve
Material is the mixed material that grain size is less than 80 mesh；
(4) said mixture material is added in dryer and processing is dried, obtain the ingot that moisture content is less than 20%；
(5) above-mentioned ingot is added in into the type of squeezing equipment and carries out extrusion forming, obtain green energy fuel of the moisture content less than 10%.
In order to advanced optimize technical solution, obtained mixed material addition storage cylinder will be sieved by being further included in step (3)
It is temporary.
In order to advanced optimize technical solution, further included in step (4) and keep in dried ingot addition storage cylinder.
In order to advanced optimize technical solution, the dryer used in step (4) is roller drying machine.
In order to advanced optimize technical solution, obtained green energy fuel addition storage cylinder will be suppressed by being further included in step (5)
It is temporary.
In order to advanced optimize technical solution, further included in step (5) and green energy fuel is subjected to bag distribution packaging.
In order to advanced optimize technical solution, the crowded type equipment used in step (5) is spiral extrusion shaping equipment,
During extrusion forming, raw material granularity 8mm used or so, moisture content of the raw material 8-20%, material density 0.06-0.15g/m3、
Raw material rolling thickness 50mm, molding bar density 0.8-1.2g/m3, roller rotating speed 75r/min.
During carrying out extrusion forming using spiral extrusion shaping equipment, the raw material in feed zone is tight under the effect of gravity
It is attached in flat membrane, when roller rotates forward, enters deformed area and squeeze；In deformed area raw material be squeezed constantly enter particle it
Between gap, the air in gap is discharged, and with being rotated further for roller, the raw material being compacted enters extrusion forming area；
Extrusion forming area residual force is stored in inside molding raw material, and particle is caused to be firmly combined with but unstable；Molding raw material continues
Entering module guarantor's type section under extrusion, the residual stress that module guarantor's type section is unfavorable for shape holding is eliminated, material setting, so as to
Obtain final green energy fuel ingot.
Embodiment 3
Present embodiment discloses a kind of methods that agricultural wastes and sludge are mixed with green energy fuel, specifically include as follows
Step：
(1) rice husk addition pulverizer is crushed into processing, reuses 50 mesh screens and crushing rear material is sieved, take
Material by sieve is the agricultural wastes that grain size is less than 50 mesh；
(2) the bi-component exothermic mixture containing quick lime and ferric aluminium sulfate is used, sludge is dried, is dehydrated, modification,
It is made to be converted to inorganic material is stabilized；
(3) agricultural wastes and sludge after above-mentioned screening are weighed respectively for 7: 3 according to mass ratio, then add in pulverizer
In mixed and crushed, reuse 80 mesh screens and crushing rear material sieved, take the mixed material material by sieve
As grain size is less than the mixed material of 80 mesh；
(4) said mixture material is added in dryer and processing is dried, obtain the ingot that moisture content is less than 20%；
(5) above-mentioned ingot is added in into the type of squeezing equipment and carries out extrusion forming, obtain green energy fuel of the moisture content less than 10%.
In order to advanced optimize technical solution, obtained mixed material addition storage cylinder will be sieved by being further included in step (3)
It is temporary.
In order to advanced optimize technical solution, further included in step (4) and keep in dried ingot addition storage cylinder.
In order to advanced optimize technical solution, the dryer used in step (4) is roller drying machine.
In order to advanced optimize technical solution, obtained green energy fuel addition storage cylinder will be suppressed by being further included in step (5)
It is temporary.
In order to advanced optimize technical solution, further included in step (5) and green energy fuel is subjected to bag distribution packaging.
In order to advanced optimize technical solution, the crowded type equipment used in step (5) is spiral extrusion shaping equipment,
During extrusion forming, raw material granularity 8mm used or so, moisture content of the raw material 8-20%, material density 0.06-0.15g/m3、
Raw material rolling thickness 50mm, molding bar density 0.8-1.2g/m3, roller rotating speed 75r/min.
During carrying out extrusion forming using spiral extrusion shaping equipment, the raw material in feed zone is tight under the effect of gravity
It is attached in flat membrane, when roller rotates forward, enters deformed area and squeeze；In deformed area raw material be squeezed constantly enter particle it
Between gap, the air in gap is discharged, and with being rotated further for roller, the raw material being compacted enters extrusion forming area；
Extrusion forming area residual force is stored in inside molding raw material, and particle is caused to be firmly combined with but unstable；Molding raw material continues
Entering module guarantor's type section under extrusion, the residual stress that module guarantor's type section is unfavorable for shape holding is eliminated, material setting, so as to
Obtain final green energy fuel ingot.
(1) moisture, the ash content of coal, detection, detection knot are carried out for the agriculture waste raw material that embodiment 1-3 is used
Fruit is as shown in table 1 below.
Table 1
| Testing result | Moisture content/% | Ash/% | Calorific value (kcal/kg) |
| Embodiment 1 | 7.8 | 2.0 | 4640 |
| Embodiment 2 | 11.18 | 9.85 | 4133 |
| Embodiment 3 | 10.63 | 13.13 | 4146 |
(2) using primary coal as control group, above-described embodiment 1-3 green energy fuel being prepared and control group are carried out respectively
Detection, it is as a result as shown in table 2 below.
Table 2
| Testing result | Moisture content/% | Ash/% | Calorific value/kcal/kg |
| Embodiment 1 | 3.8 | 1.6 | 5500 |
| Embodiment 2 | 7.14 | 1.04 | 4200 |
| Embodiment 3 | 10.18 | 9.86 | 3500 |
| Primary coal | 13-17 | 30-40 | 3000-6000 |
By above-mentioned detection data this it appears that method disclosed by the invention can make full use of agriculture waste
Heat in object as fuel, increases the processing method of agricultural wastes, reduces environmental pollution.
(2) it is found by combustion test, using CO, CO can be generated in primary coal combustion process2、NO、SO2, cause serious
Air pollution, and methane can be generated in ashes conversion process, it be easy to cause secondary pollution；And it is prepared using the application
It is green can fuel, the gas grain size generated in combustion meets empty dirty method emission regulation in the range of 500-1000ppm,
And the ashes to burn can be directly used as organic fertilizer, not need to convert, can be to avoid secondary pollution, and save and be processed into
This.
(3) learn that the mean calorie of green energy fuel that the application is prepared is 4200kcal by calculating, with the day that liquefies
Right gas is control group, and wherein the calorific value of liquefied natural gas is 10800kcal；Burning cost calculation is carried out, as a result such as the following table 3 institute
Show.
Cost=market price/(calorific value * 4.186)
Table 3
| Result of calculation | Calorific value (kcal/kg) | Market price (yuan/ton) | Cost (member/KJ) |
| Green energy fuel | 4200 | 1200 | 0.068 |
| Liquefied natural gas | 10800 | 8000 | 0.177 |
It can be known by the above results, although the calorific value of green energy fuel that the application is prepared will be less than liquefied natural gas,
But since its cost is also than relatively low, market price is far smaller than liquefied natural gas, it is green to find that the application is prepared by calculating
The cost that energy fuel provides units of heat will be less than the cost for changing natural gas, therefore the green energy fuel that the application is prepared has
Excellent practical value.
(4) national energy official website is obtained obtains the required cost of steam per ton, while according to green using each energy sources for heating
Can the cost of fuel be compared, as a result as shown in Figure 1, can significantly be learnt from figure, using it is green can fuel cost most
It is low, hence it is evident that less than the expense for using electric power heating, diesel heating and heated by natural gas.
(5) when being heated using the different energy to water, boiler thermal efficiency is different, and the cost for causing heating is different.With
For one ton of water, water temperature, which rises to 55 DEG C from 15 DEG C, to be needed to consume 40000kcal, and being calculated according to formula is needed using different energy sources
Cost, it is as a result as shown in table 4 below.
Heat energy quantity needed for hot water per ton=boiler institute calorific requirement ÷ energy calorific value ÷ boiler thermal efficiencies
Table 4
| Energy source type | Required energy quantity | Energy unit price | Cost |
| Oil | 40000kcal ÷ 10200kcal/kg ÷ 85%=4.61kg | 6.38 yuan/kg | 29.43 |
| Liquefied gas | 40000kcal÷10800kcal/Nm3÷ 85%=4.36Nm3 | 5 yuan/Nm3 | 21.80 |
| Natural gas | 40000kcal÷8600kcal/Nm3÷ 85%=5.47Nm3 | 2.5 yuan/Nm3 | 13.60 |
| Electricity | 40000kcal ÷ 860kcal/kwh ÷ 98%=47.5kwh | 0.98 yuan/kwh | 46.50 |
| Coal | 40000kcal ÷ 5000kcal/kg ÷ 70%=11.42Kg | 1.0 yuan/Kg | 11.42 |
| Green energy fuel | 40000kcal ÷ 4500kcal/kg ÷ 90%=4.61Kg | 0.9 yuan/Kg | 8.88 |
By above-mentioned data result it is found that the green energy fuel that this law disclosure of the invention method is prepared carries out water as fuel
Heating, the cost needed is minimum, can reduce heating cost, saves the non-renewable resources such as coal, oil, natural gas.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (10)
1. a kind of method that agricultural wastes and sludge are mixed with green energy fuel, which is characterized in that include the following steps：
(1) first agricultural wastes are crushed with processing, then crushing rear material is sieved, takes the agricultural wastes after screening；
(2) harmless treatment is carried out to sludge again, it is made to be converted to inorganic material is stabilized；
(3) above-mentioned agricultural wastes with sludge according to mass ratio for 70: 33-27 are mixed, processing is then crushed, to crushing
Material screening afterwards takes the mixed material after screening；
(4) mechanical drying processing is carried out to said mixture material, obtains dried ingot；
(5) by above-mentioned ingot compression moulding, green energy fuel is obtained.
2. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In the grain size of the agricultural wastes in the step (1) after screening is less than 50 mesh.
3. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In, in the step (2) be specially use the bi-component exothermic mixture containing quick lime and ferric aluminium sulfate, sludge is dried, is taken off
Water, modification make it be converted to inorganic material is stabilized.
4. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In the grain size of the mixed material in the step (3) after screening is less than 80 mesh.
5. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In the step (4) includes dried ingot moisture content less than 20%.
6. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In the green energy water-in-fuel rate of compression moulding is less than 10% in the step (5).
7. a kind of agricultural wastes and sludge according to claim 1-5 are mixed with the method for green energy fuel, feature
It is, the agricultural wastes include wood fibre object or flammable plant one or two therein.
8. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In further including to sieve obtained mixed material and add in storage cylinder in the step (3) and keep in.
9. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In, further included in the step (4) by dried ingot addition storage cylinder keep in.
10. the method that a kind of agricultural wastes according to claim 1 and sludge are mixed with green energy fuel, feature exist
In, further included in the step (5) by suppress obtain it is green can fuel add in storage cylinder keep in.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110964582A (en) * | 2018-09-29 | 2020-04-07 | 天津大学 | Method for separating biomass charcoal from soil and application thereof |
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