CN105176620A - Oxygen combustion-supporting type biomass molding fuel preparation method - Google Patents
Oxygen combustion-supporting type biomass molding fuel preparation method Download PDFInfo
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- CN105176620A CN105176620A CN201510555302.XA CN201510555302A CN105176620A CN 105176620 A CN105176620 A CN 105176620A CN 201510555302 A CN201510555302 A CN 201510555302A CN 105176620 A CN105176620 A CN 105176620A
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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 present invention discloses an oxygen combustion-supporting type biomass molding fuel preparation method, which comprises biomass fuel base plate preparation, combustion-supporting type binder preparation, biomass fuel base plate surface treatment, laminating molding and other steps. According to the prevent invention, the biomass molding raw materials comprise a plurality of the biomass fuel base plates be subjected to laminating molding, the combustion-supporting binding layer is arranged between the two adjacent biomass fuel base plates and is the mixture of a fiber binder and potassium permanganate, and the mass of the potassium permanganate is 3-6% of the mass of the mixture; and the preparation method has characteristics of convenient processing, high product combustion performance, strong versatility, low cost, and easy large-scale production.
Description
Technical field
The present invention relates to Biomass Briquette Technologies field, be specially a kind of preparation method of comburant oxygen 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, molding thickness and compacted density condition each other, there is burning, to there is combustion time short, the defect that heat is not high.
Summary of the invention
The object of this invention is to provide a kind of preparation method of comburant oxygen type biomass molding fuel, have easy to process, product 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 preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, the some combustion-supporting type binding agent upper and lower surfaces alignment scribbling combustion-supporting type binding agent, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In a first step, by adding unslaked lime and kaolin, unslaked lime both can absorb moisture and form slaked lime in the process of mixing, and the slaked lime formed and kaolin produce cohesive action, thus inter-adhesive for biomass crumb feedstock, facilitate extrusion molding; And unslaked lime can produce a large amount of heat in the process absorbing moisture formation slaked lime, thus softening biomass crumb feedstock, reduce extrusion molding difficulty.In second step, the binding agent of combustion-supporting type is formed by adding potassium permanganate in cellulosic binder, finally at the combustion-supporting type adhesive layer forming biomass molding fuel, by being provided with combustion-supporting tack coat at biomass fuel substrate, including heating in combustion-supporting tack coat can oxygenous potassium permanganate, the separation accelerated in the process that potassium permanganate 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.Potassium permanganate is the crystallization of intense violet color elongated rhombic prism shape, there is metalluster, stable under normal temperature, then decompose more than 190 DEG C and release oxygen, therefore, potassium permanganate is selected to be blended in inside cellulose binder, and the mass ratio of potassium permanganate is between 3 ~ 6%, potassium permanganate is made to be dispersed in inside cellulose binder, what produce when effectively ensure that potassium permanganate 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.If potassium permanganate the content of combustion-supporting tack coat higher more than 6% time, the reaction that potassium permanganate sharply decomposes at high temperature can be relatively more violent, can produce strong quick-fried sound, can have certain potential safety hazard in the process of burning; If potassium permanganate is when comparatively low pressure is less than 2% to the content of combustion-supporting tack coat, it is limited that potassium permanganate decomposes the separating power produced, the amount of the oxygen produced is also on the low side, the effect that direct impact is combustion-supporting, the abundant degree of biomass molding fuel burning can be badly influenced, the raising of restriction biomass molding fuel combustionproperty when particularly thicker the and number of plies of biomass molding fuel thickness is more.And by arranging combustion-supporting tack coat, the biomass fuel substrate that both can arrange multilayer as required meeting the requirement of thickness, also effectively ensureing the performance of the combustionproperty of high-density biology matter shaped 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 potassium permanganate 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.In the third step, by the alignment lamination of upper and lower surface, the biomass molding fuel of different shapes requirement can be gone out by lamination as required, simultaneously, different biomass fuel substrate is in the process of lamination, combustion-supporting type adhesive layer is extruded further, the depression of contact surface is connected with protruding dislocation, not only can ensure the bonding force in lamination process between different substrate, and hole be extruded after effectively can promote that combustion-supporting type adhesive layer plays reaction in a heated condition and accelerates the separation of different substrate, increase the contact area of substrate and oxygen, promote right natural disposition energy.In addition, by the mode of lamination, the preparation of biomass molding fuel is more simple, and the thickness that lamination is formed is more flexible, and the combustion time of the biomass molding fuel of high thickness and height densification significantly improves, and heat effect also obtain lifting to a certain degree.
Described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, and breather hole position in process laminated into type of biomass fuel substrate adjacent in lamination process described in the 4th step is relative.By arranging some cellular breather holes, can in time and the external world carry out thermal exchange, avoid biomass molding fuel in the process of prolonged storage owing to there is the potential safety hazard that slaking generation heat is formed between the raw material of biomass molding fuel, facilitate storage and the transport of biomass molding fuel, expand its application further.
The material of 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, and expands 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 potassium permanganate to ensure the safe effect of ignition dope.
The Thickness Ratio of described combustion-supporting tack coat 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 ~ 6% 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.
The preparation method of a kind of comburant oxygen type of the present invention biomass molding fuel, has following beneficial effect:
The first, easy to process, carry out lamination again by the mode of first processing biological fuel substrate and combustion-supporting type binding agent and form final biomass molding fuel, the course of processing of biomass fuel substrate and combustion-supporting type binding agent is simple, and convenient to the process operation of roll laminating, processing convenience is high;
The second, product combustionproperty is high, by being provided with combustion-supporting tack coat at biomass fuel substrate, including heating in combustion-supporting tack coat can oxygenous potassium permanganate, the separation accelerated in the process that potassium permanganate 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;
The second, highly versatile, by arranging combustion-supporting tack coat, 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;
Four, with low cost, the raw material selected is convenient source conservation cost, and work flow is very simple, and the equipment of employing is conventional equipment and saves equipment investment cost without the need to larger facility investment, reduces manufacturing cost further;
Five, be convenient to large-scale production, preparation method's structure of comburant oxygen type biomass molding fuel 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 preparation method's embodiment 1 of a kind of comburant oxygen type of the present invention biomass molding fuel.
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
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In embodiment 1, the biomass molding fuel finally preparing gained is five-layer structure, the cross-section structure of the biomass molding fuel that accompanying drawing 1 is embodiment 1, comprise three biomass fuel substrates 1 laminated into type, combustion-supporting tack coat 2 is provided with between described biomass fuel substrate 1 adjacent between two, described combustion-supporting tack coat 2 is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 2% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes 3, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.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.Described combustion-supporting tack coat 2 is 1:50 with the Thickness Ratio of described biomass fuel substrate 1.
Embodiment 2
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In example 2, the biomass molding fuel finally preparing gained is three-decker, comprise two biomass fuel substrates laminated into type, combustion-supporting tack coat is provided with between described two adjacent biomass fuel substrates, described combustion-supporting tack coat is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 6% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.The material of 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 described combustion-supporting tack coat and described biomass fuel substrate is 1:30.
Embodiment 3
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In embodiment 3, the biomass molding fuel finally preparing gained is five-layer structure, comprise three biomass fuel substrates laminated into type, combustion-supporting tack coat is provided with between described biomass fuel substrate adjacent between two, described combustion-supporting tack coat is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 3% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.The material of 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 described combustion-supporting tack coat and described biomass fuel substrate is 1:70.
Embodiment 4
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In example 4, the biomass molding fuel finally preparing gained is five-layer structure, comprise three biomass fuel substrates laminated into type, combustion-supporting tack coat is provided with between described biomass fuel substrate adjacent between two, described combustion-supporting tack coat is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 6% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.The material of 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 described combustion-supporting tack coat and described biomass fuel substrate is 1:50.
Embodiment 5
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In embodiment 5, the biomass molding fuel finally preparing gained is five-layer structure, comprise three biomass fuel substrates laminated into type, combustion-supporting tack coat is provided with between described biomass fuel substrate adjacent between two, described combustion-supporting tack coat is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 6% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.The material of 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 described combustion-supporting tack coat 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 ~ 6% in preparation process, and inflation mixes.
Embodiment 6
A kind of preparation method of comburant oxygen type biomass molding fuel, comprise the following steps: the preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, inflation mixes, and extrusion molding obtains the biomass fuel substrate of regular shape; The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent; The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate; 4th step, laminated into type, described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, the some combustion-supporting type binding agent upper and lower surface alignment scribbling combustion-supporting type binding agent, breather hole position in process laminated into type of adjacent biomass fuel substrate is relative, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
In embodiment 6, the biomass molding fuel finally preparing gained is five-layer structure, comprise three biomass fuel substrates laminated into type, combustion-supporting tack coat is provided with between described biomass fuel substrate adjacent between two, described combustion-supporting tack coat is the mixture of fiber-like tackiness agent and potassium permanganate, and the quality proportioning of described potassium permanganate is 6% of the mixture of described fiber-like tackiness agent and potassium permanganate.The surface of described biomass fuel substrate and inside are provided with some cellular breather holes, and breather hole position in process laminated into type of adjacent biomass fuel substrate is relative.The material of 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 described combustion-supporting tack coat and described biomass fuel substrate is 1:70.
Meanwhile, preparing the specific performance of the biological shaped fuel of combustion-supporting type of gained in order to assess the method for the invention, testing 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) | 5230 | 5320 | 5500 | 5350 | 5565 | 5650 |
| Rate of combustion (%) | 96.3 | 95.3 | 95.7 | 96.9 | 98.2 | 97.3 |
| Thermo-efficiency (%) | 92.5 | 94.1 | 95.3 | 94.8 | 96.8 | 96.5 |
As can be seen from Table 1, the inventive method 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 92%.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, the preparation method of comburant oxygen 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 potassium permanganate, 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. a preparation method for comburant oxygen type biomass molding fuel, is characterized in that comprising the following steps:
The preparation of the first step, biomass fuel substrate, the biomass chip of cellulose family is carried out pulverizing, preliminary drying, add and be equivalent to the unslaked lime of biomass crumb feedstock siccative weight 3 ~ 8%, the kaolin of 2 ~ 6%, mix, extrusion molding obtains the biomass fuel substrate of regular shape;
The preparation of second step, combustion-supporting type binding agent, adds potassium permanganate ignition dope at fiber-like tackiness agent according to quality proportioning 3 ~ 6%, is uniformly mixed and obtains combustion-supporting type binding agent;
The surface treatment of the 3rd step, biomass fuel substrate, carries out surface roughening process by the biomass fuel substrate of the first step gained, then needs the surface-coated second step gained combustion-supporting type binding agent of pressing to form combustion-supporting type tack coat at biomass fuel substrate;
4th step, laminated into type, the some combustion-supporting type binding agent upper and lower surfaces alignment scribbling combustion-supporting type binding agent, then by roll squeezer to roll laminating, obtain final lamination type biomass molding fuel.
2. the preparation method of comburant oxygen type biomass molding fuel according to claim 1, it is characterized in that: described biomass fuel substrate also comprises the moulding process of cellular breather hole before laminated into type, described cellular breather hole is arranged on surface and the inside of described biomass molding fuel, and breather hole position in process laminated into type of biomass fuel substrate adjacent in lamination process described in the 4th step is relative.
3. the preparation method of comburant oxygen type biomass molding fuel according to claim 1 and 2, is characterized in that: the material of described biomass crumb feedstock comprises agricultural wastes, xylogen and/or oil crops waste.
4. the preparation method of comburant oxygen 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. the preparation method of comburant oxygen type biomass molding fuel according to claim 4, is characterized in that: described xylogen comprises one or more the mixture in wooden unit, wood chip and bark.
6. the preparation method of comburant oxygen type biomass molding fuel according to claim 5, is characterized in that: described oil crops waste comprises one or more the mixture in cottonseed, numb seed and tung oil tree.
7. the preparation method of comburant oxygen type biomass molding fuel according to claim 6, is characterized in that: described fiber-like tackiness agent is paper waste and/hydrolysis fiber.
8. the preparation method of comburant oxygen type biomass molding fuel according to claim 7, is characterized in that: the Thickness Ratio of described combustion-supporting tack coat and described biomass fuel substrate is 1:30 ~ 1:70.
9. the preparation method of comburant oxygen 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 ~ 6% in preparation process, and inflation mixes.
10. the preparation method of comburant oxygen 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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| CN106010711A (en) * | 2016-06-23 | 2016-10-12 | 张庆春 | Preparation method of combustion-supporting biomass briquette with high safety |
| CN106118784A (en) * | 2016-06-23 | 2016-11-16 | 张庆春 | A kind of preparation method of high fuel value biomass molding fuel |
| CN106701244A (en) * | 2017-02-20 | 2017-05-24 | 赣州市净达生物新能源有限公司 | Method for high-efficiency combustion of biomass solid fuel |
| CN108384596A (en) * | 2018-05-10 | 2018-08-10 | 安徽东升精密铸钢件有限公司 | A kind of pecan shell biological particles |
| CN108624376A (en) * | 2018-05-10 | 2018-10-09 | 安徽东升精密铸钢件有限公司 | A kind of sawdust biological particles |
| CN111548837A (en) * | 2020-05-13 | 2020-08-18 | 顾晓杰 | Preparation method of self-oxygen-supply type biomass fuel |
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| CN111548837A (en) * | 2020-05-13 | 2020-08-18 | 顾晓杰 | Preparation method of self-oxygen-supply type biomass fuel |
| CN111548837B (en) * | 2020-05-13 | 2021-11-23 | 兴隆县一通新能源科技有限公司 | Preparation method of self-oxygen-supply type biomass fuel |
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Application publication date: 20151223 |