CN105001935A - Aeration combustion supporting type biomass briquette - Google Patents
Aeration combustion supporting type biomass briquette Download PDFInfo
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- CN105001935A CN105001935A CN201510476048.4A CN201510476048A CN105001935A CN 105001935 A CN105001935 A CN 105001935A CN 201510476048 A CN201510476048 A CN 201510476048A CN 105001935 A CN105001935 A CN 105001935A
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- aeration
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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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Abstract
The invention discloses aeration combustion supporting type biomass briquette. The aeration combustion supporting type biomass briquette comprises a plurality of biomass fuel base plates formed through lamination. An aeration combustion supporting bonding layer is formed between every two adjacent biomass fuel base plates. The aeration combustion supporting bonding layers are the mixture of a fiber bonding agent, sodium bicarbonate and potassium chlorate, and the mass ratio of sodium bicarbonate is 2-5% that of an aeration combustion supporting bonding layer mass object. The aeration combustion supporting type biomass briquette has the advantages of being high in combustion performance and universality, low in cost and capable of being conveniently produced on a large scale.
Description
Technical field
The present invention relates to Biomass Briquette Technologies field, be specially a kind of aeration combustion-supporting type biomass molding fuel.
Background technology
Along with expanding economy.The energy and environmental problem have become the focus of global concern, and the pollution problem that traditional fossil energy such as such as coal, oil and natural gas etc. produces due to the day by day exhausted energy dilemma brought and its burning becomes increasingly conspicuous, and the clean renewable energy source of exploitation is extremely urgent.Biomass are a kind of multifarious Energy resources, wide material sources, and application is simple, has a good application prospect as the effective substitute energy of one.In the last few years, utilize forest processing waste, the investigation and application making biomass granule fuel after the grinding and processing such as stalk also increases gradually, current biomass energy directly forms strip, particulate state or bulk mainly through direct extrusion molding, in the course of processing, moisture problem for the course of processing of biomass fuel and the impact of performance inevitable, if moisture content is too high, biomass fuel can be caused to form slaking and rot in the process stored, also can cause the performance of combustionproperty due to moisture content problem in combustion processes; If moisture content is on the low side, lamination process difficulty is large, has a strong impact on the lifting of biomass fuel compacted density.
Summary of the invention
The object of this invention is to provide a kind of aeration combustion-supporting type biomass molding fuel; take into full account the impact of biomass fuel moisture content; make full use of the moisture of biomass fuel inside, have that combustionproperty is high, highly versatile, with low cost and be convenient to the feature of large-scale production.
The present invention can be achieved through the following technical solutions:
The invention discloses a kind of aeration combustion-supporting type biomass molding fuel, comprise some biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 2 ~ 5% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 3 ~ 6% of described aeration combustion-supporting tack coat quality thing.
By being provided with the combustion-supporting tack coat of aeration at biomass fuel substrate, the sodium bicarbonate that heating can produce carbonic acid gas is included in the combustion-supporting tack coat of aeration, ten aqueous sodium bicarbonate are become after dry sodium bicarbonate crystal can absorb water, more than 50 DEG C start to decompose generation sodium carbonate, carbonic acid gas and water gradually, decompose completely when 440 DEG C.Both the moisture of the water-absorbent of sodium bicarbonate organism-absorbing matter fuel internal residual in the process stored can have been utilized, effectively avoid the loss that biomass fuel slaking in storage process causes, the separation accelerated in the process that sodium bicarbonate can also be utilized to decompose between different layers increases the surface-area of burning contacts, thus use the burning of biomass fuel more abundant, effectively improve the combustionproperty of biomass molding fuel; And, in the process that sodium bicarbonate decomposes, moisture becomes water vapour along with carbonic acid gas and overflows, water vapour can be formed with the biomass fuel surface of calcination and fully contact, the red-hot coke of water vapour and biomass fuel surface can produce water-gas, and the main component of water-gas is carbon monoxide and hydrogen, and carbon monoxide and hydrogen are inflammable gas, can burn in combustion, promote the combustionproperty of biomass fuel further.
By being provided with the combustion-supporting tack coat of aeration at biomass fuel substrate, including heating in the combustion-supporting tack coat of aeration can oxygenous Potcrate, the separation accelerated in the process that Potcrate both can have been utilized to decompose between different layers increases the surface-area of burning contacts, combustion-supporting effect can be realized again by the oxygen produced, thus use the burning of biomass fuel more abundant, effectively improve the combustionproperty of biomass molding fuel.Potcrate is colorless plate crystal or white particle powder, stable under normal temperature, then decompose more than 400 DEG C and release oxygen, sharply can blast during heating, therefore, Potcrate is selected to be blended in inside cellulose binder, and the mass ratio of Potcrate is between 3 ~ 6%, Potcrate is made to be dispersed in inside cellulose binder, what produce when effectively ensure that Potcrate decomposes makes the separating force between biomass fuel substrate more even, the oxygen produced also can utilize comburant oxygen to give full play to the combustionproperty of biomass molding fuel when realizing biomass fuel substrate interlaminar separation.Meanwhile, compare the situation of adding separately separately Potcrate or sodium bicarbonate in cellulose family tackiness agent, the amount that the content of independent interpolation Potcrate combinationally uses than both is few, and reason is that the pyrolytic decomposition of Potcrate is relatively more violent actually, can there is certain potential safety hazard; Both add simultaneously, can give full play to the flame retardant resistance of carbonic acid gas, be watered down the concentration of oxygen by carbonic acid gas, reduce potential safety hazard, promote oxygen generation, improve the combustion-supporting effect of oxygen further.Compared to the situation of adding separately carbonic acid gas, Potcrate add the generation also can accelerating carbonic acid gas, accelerate the effusion that carbonic acid gas drives water vapour, form more water-gas, promote combustionproperty.
In addition, by arranging the combustion-supporting tack coat of aeration, the biomass fuel substrate that both can arrange multilayer as required meets the requirement of thickness, also the moisture controlled for biomass fuel need not be too strict, reduce difficulty of processing, promote the compacted density of biomass fuel, there is stronger versatility.In addition, the raw material selected is convenient source conservation cost, and the considerably less course of processing of ignition dope sodium bicarbonate consumption of employing is very simple, and the course of processing, without the need to mating special fabrication design, effectively reduces manufacturing cost, is convenient to large-scale promotion and uses.
The moisture content of described biomass fuel substrate is 8% to 15%.By the moisture content of conservative control biomass fuel, both effectively reduce the difficulty of biomass fuel compaction process, effectively avoid again because the too high storage for biomass molding fuel of moisture content impacts.
Described biomass fuel substrate comprises biomass crumb feedstock, described biomass crumb feedstock comprises agricultural wastes, xylogen and/or oil crops waste, according to actual needs, can select dissimilar material flexibly, fully reduce costs, expand the use of biomass molding fuel.
Described agricultural wastes comprise one or more the mixture in stalk, corn cob, bagasse, algae and Herba Eichhorniae, and source widely, effectively reduces manufacturing cost.
Described xylogen comprises one or more the mixture in wooden unit, wood chip and bark, and source widely, effectively reduces manufacturing cost.
Described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree, and source widely, effectively reduces manufacturing cost.
Described fiber-like tackiness agent is paper waste and/hydrolysis fiber, and source widely, effectively reduces manufacturing cost, can play cohesive action, effectively disperses again sodium bicarbonate to ensure the safe effect of ignition dope.
The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:30 ~ 1:70, different Thickness Ratios can be selected according to actual needs, the thickness requirement of further lifting biomass molding fuel, the high compacted density of biomass molding fuel does not provide potential room for promotion.
Described biomass fuel substrate is Puffer-type biomass fuel substrate, and described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, and inflation mixes.Select Puffer-type biomass fuel substrate, the contact gear ratio surface-area of biomass molding fuel can be increased further in combustion, promote the performance of biomass molding fuel combustionproperty.
The number of plies of described biomass fuel substrate be two-layer and more than, satisfactory thickness can be selected flexibly according to actual needs, expand the thickness of biomass molding fuel further.
A kind of aeration combustion-supporting type of the present invention biomass molding fuel, has following beneficial effect:
First, combustionproperty is high, by being provided with the combustion-supporting tack coat of aeration at biomass fuel substrate, the sodium bicarbonate that heating can produce carbonic acid gas is included in the combustion-supporting tack coat of aeration, the separation accelerated in the process that sodium bicarbonate both can have been utilized to decompose between different layers increases the surface-area of burning contacts, can be taken again out of water vapour by the carbonic acid gas produced and form water-gas lifting combustionproperty, including heating in the combustion-supporting tack coat of aeration can oxygenous Potcrate, the separation accelerated in the process that Potcrate both can have been utilized to decompose between different layers increases the surface-area of burning contacts, combustion-supporting effect can be realized again by the oxygen produced, both add use simultaneously, ensure aeration effect at the consumption reducing sodium bicarbonate simultaneously, promote again oxygen generation and promote combustion-supporting effect, thus use the burning of biomass fuel more abundant, effectively improve the combustionproperty of biomass molding fuel,
The second, highly versatile, by arranging the combustion-supporting tack coat of aeration, the biomass fuel substrate that both can arrange multilayer as required meets the requirement of thickness, also effectively ensures the performance of the combustionproperty of high-density biology matter shaped fuel, has stronger versatility;
Three, with low cost, the raw material selected is convenient source conservation cost, and the equipment of employing is conventional equipment and saves equipment investment cost without the need to larger facility investment, reduces manufacturing cost further;
Four, be convenient to large-scale production, aeration combustion-supporting type biomass molding fuel structure is simple, and effectively simplify manufacturing procedure, and be the operation that routinizes, continuity of operation is high, effectively reduces the difficulty of large-scale production.
Accompanying drawing explanation
Accompanying drawing 1 is the diagrammatic cross-section of a kind of aeration combustion-supporting type of the present invention biomass molding fuel embodiment 1.
Embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, below in conjunction with embodiment and accompanying drawing, product of the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, embodiment 1 is for having the aeration combustion-supporting type biomass molding fuel of five-layer structure, comprise three biomass fuel substrates 1 laminated into type, the combustion-supporting tack coat 2 of aeration is provided with between described biomass fuel substrate 1 adjacent between two, the combustion-supporting tack coat 2 of described aeration is the mixture of fiber-like tackiness agent and sodium bicarbonate, the quality proportioning of described sodium bicarbonate is 2% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 3% of described aeration combustion-supporting tack coat quality thing.The material of described biomass fuel substrate 1 is agricultural wastes, and described agricultural wastes comprise one or more the mixture in stalk, corn cob, bagasse, algae and Herba Eichhorniae.The combustion-supporting tack coat of described aeration 2 is 1:50 with the Thickness Ratio of described biomass fuel substrate 1.Described biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, mixes.
Embodiment 2
Embodiment 2 is for having the aeration combustion-supporting type biomass molding fuel of double-layer structure, comprise two biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described two adjacent biomass fuel substrates, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 5% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 6% of described aeration combustion-supporting tack coat quality thing.The moisture content of described biomass fuel substrate is 8%.Described biomass fuel substrate comprises biomass crumb feedstock, and described biomass crumb feedstock comprises xylogen, and described xylogen comprises one or more the mixture in wooden unit, wood chip and bark.Described fiber-like tackiness agent is paper waste and/hydrolysis fiber.The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:30.The described biomass fuel substrate that fills adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, mixes.
Embodiment 3
Embodiment 3 is for having the aeration combustion-supporting type biomass molding fuel of five-layer structure, comprise three biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 4% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 5% of described aeration combustion-supporting tack coat quality thing.The moisture content of described biomass fuel substrate is 15%.Described biomass fuel substrate comprises biomass crumb feedstock, and described biomass crumb feedstock is oil crops waste.Described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.Described fiber-like tackiness agent is paper waste and/hydrolysis fiber.The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:70.Described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, mixes.
Embodiment 4
Embodiment 4 is for having the aeration combustion-supporting type biomass molding fuel of five-layer structure, comprise three biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 2% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 3% of described aeration combustion-supporting tack coat quality thing.The moisture content of described biomass fuel substrate is 10%.Described biomass fuel substrate comprises biomass crumb feedstock, and described biomass crumb feedstock comprises agricultural wastes, xylogen and oil crops waste.Described agricultural wastes comprise one or more the mixture in stalk, corn cob, bagasse, algae and Herba Eichhorniae.Described xylogen comprises one or more the mixture in wooden unit, wood chip and bark.Described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.Described fiber-like tackiness agent is paper waste and/hydrolysis fiber.The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:50.Described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, mixes.
Embodiment 5
Embodiment 5 is for having the aeration combustion-supporting type biomass molding fuel of five-layer structure, comprise three biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 5% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 6% of described aeration combustion-supporting tack coat quality thing.The moisture content of described biomass fuel substrate is 12%.Described biomass fuel substrate comprises biomass crumb feedstock, and described biomass crumb feedstock comprises agricultural wastes, xylogen and oil crops waste.Described agricultural wastes comprise one or more the mixture in stalk, corn cob, bagasse, algae and Herba Eichhorniae.Described xylogen comprises one or more the mixture in wooden unit, wood chip and bark.Described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.Described fiber-like tackiness agent is paper waste and/hydrolysis fiber.The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:50.Described biomass fuel substrate is Puffer-type biomass fuel substrate, and described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, and inflation mixes.
Embodiment 6
Embodiment 6 is for having the aeration combustion-supporting type biomass molding fuel of five-layer structure, comprise three biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 5% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 6% of described aeration combustion-supporting tack coat quality thing.The moisture content of described biomass fuel substrate is 10%.Described biomass fuel substrate comprises biomass crumb feedstock, and described biomass crumb feedstock is oil crops waste.Described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.Described fiber-like tackiness agent is paper waste and/hydrolysis fiber.The Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:70.Described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, mixes.
Meanwhile, in order to assess the concrete technique effect of the biological shaped fuel of aeration combustion-supporting type of the present invention, test from the concrete combustionproperty of aspect to embodiment 1 ~ 6 such as calorific value, rate of combustion and heating rates respectively.Concrete test data is as shown in table 1:
The concrete combustionproperty test data of the different embodiment of table 1
| Group number | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Calorific value (kcal/kg) | 5340 | 5620 | 5590 | 5460 | 5630 | 5670 |
| Rate of combustion (%) | 96.8 | 95.8 | 96.2 | 96.8 | 98.2 | 98.3 |
| Thermo-efficiency (%) | 93.8 | 94.9 | 95.6 | 95.1 | 96.9 | 96.9 |
As can be seen from Table 1, the present invention prepares the biomass molding fuel calorific value of gained at more than 5200lcal/Kg, and rate of combustion is more than 95%, and thermo-efficiency is more than 93%.And the concrete combustionproperty of traditional biomass molding fuel is: calorific value is at 4500 ~ 4800kcal/kg, and rate of combustion is between 90 ~ 96, and heating rate is between 80 ~ 90.By contrast, aeration combustion-supporting type biomass molding fuel of the present invention all has significant lifting in combustionproperty indexs such as calorific value, rate of combustion and heating rates, is with a wide range of applications.
And can see from table 1 data, embodiment 4 and the embodiment 5 of same material contrast, and adopt Puffer-type biomass molding fuel to be to provide biomass extrusion materials combustionproperty and have certain effect; Contrasted by embodiment 3 and embodiment 6, increase the content of ignition dope sodium bicarbonate and Potcrate, also obviously can promote the combustionproperty of biomass extrusion materials.
The above, be only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the present invention swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection domain all still belonging to technical scheme of the present invention.
Claims (10)
1. an aeration combustion-supporting type biomass molding fuel, it is characterized in that: comprise some biomass fuel substrates laminated into type, the combustion-supporting tack coat of aeration is provided with between described biomass fuel substrate adjacent between two, the combustion-supporting tack coat of described aeration is the mixture of fiber-like tackiness agent, sodium bicarbonate and Potcrate, the quality proportioning of described sodium bicarbonate is 2 ~ 5% of described aeration combustion-supporting tack coat quality thing, and the quality proportioning of described Potcrate is 3 ~ 6% of described aeration combustion-supporting tack coat quality thing.
2. aeration combustion-supporting type biomass molding fuel according to claim 1, is characterized in that: the moisture content of described biomass fuel substrate is 8% to 15%.
3. aeration combustion-supporting type biomass molding fuel according to claim 2, it is characterized in that: described biomass fuel substrate comprises biomass crumb feedstock, described biomass crumb feedstock comprises agricultural wastes, xylogen and/or oil crops waste.
4. aeration combustion-supporting type biomass molding fuel according to claim 3, is characterized in that: described agricultural wastes comprise one or more the mixture in stalk, corn cob, bagasse, algae and Herba Eichhorniae.
5. aeration combustion-supporting type biomass molding fuel according to claim 3, is characterized in that: described xylogen comprises one or more the mixture in wooden unit, wood chip and bark.
6. aeration combustion-supporting type biomass molding fuel according to claim 3, is characterized in that: described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.
7. the aeration combustion-supporting type biomass molding fuel according to any one of claim 3 ~ 5 right, is characterized in that: described fiber-like tackiness agent is paper waste and/hydrolysis fiber.
8. aeration combustion-supporting type biomass molding fuel according to claim 7, is characterized in that: the Thickness Ratio of the combustion-supporting tack coat of described aeration and described biomass fuel substrate is 1:30 ~ 1:70.
9. aeration combustion-supporting type biomass molding fuel according to claim 8, it is characterized in that: described biomass fuel substrate is Puffer-type biomass fuel substrate, described Puffer-type biomass fuel substrate adds and is equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 5% in preparation process, and inflation mixes.
10. aeration combustion-supporting type biomass molding fuel according to claim 8, is characterized in that: the number of plies of described biomass fuel substrate be two-layer and more than.
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| CN1273268A (en) * | 1999-05-07 | 2000-11-15 | 王智丽 | Sulfur-fixating combustion-promoting adhesive for briquettes |
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Application publication date: 20151028 |