CN110624474A - Hollow biomass granular fuel forming machine - Google Patents
Hollow biomass granular fuel forming machine Download PDFInfo
- Publication number
- CN110624474A CN110624474A CN201910946914.XA CN201910946914A CN110624474A CN 110624474 A CN110624474 A CN 110624474A CN 201910946914 A CN201910946914 A CN 201910946914A CN 110624474 A CN110624474 A CN 110624474A
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- China
- Prior art keywords
- shell
- hollow
- oil
- outlet
- core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a hollow biomass pellet fuel forming machine, which comprises a shell, wherein a feeding hole is formed above the shell, a hollow shaft is arranged in the central axis of the shell, spiral pushing blades are fixed on the periphery of the hollow shaft, and bearings at two ends of the hollow shaft are respectively fixed on a bracket at the rear end of the shell and at the front part of the shell; the outlet end of the shell is provided with a core rod, the fixed end of the core rod is connected to the support, and the free end of the core rod extends to the forming outlet. The manufactured biomass pellet fuel is in a round tube shape, and has the characteristics of easiness in combustion, high initial combustion speed and sufficient combustion.
Description
Technical Field
The invention belongs to the technical field of biomass pellet fuels, and particularly relates to a hollow biomass pellet fuel forming machine.
Background
The biomass granular fuel is a blocky environment-friendly new energy source produced by processing straws, rice hulls, peanut shells, corncobs, oil tea shells, cottonseed hulls and the like and three residues. Biomass pellet fuels have gained wide acceptance with their unique advantages; compared with the traditional fuel, the fuel has economic advantages and environmental protection benefits, and completely meets the requirements of sustainable development. Firstly, because the shape is granule, has compressed the volume, has saved storage space, also is convenient for transport, has reduced the cost of transportation. Secondly, the combustion benefit is high, easy to burn out, the residual carbon content is little. Compared with coal, the volatile matter content is high, the ignition point is low, and the ignition is easy; the density is improved, the energy density is high, the combustion duration is greatly prolonged, and the method can be directly applied to a coal-fired boiler. In addition, the content of harmful gas components is extremely low when the biomass particles are combusted, the discharged harmful gas is less, the environment-friendly benefit is achieved, and the corrosion of sulfur, phosphorus and the like to a boiler is reduced. And the burnt ash can be directly used as a potash fertilizer, so that the expenditure is saved.
Research and development of bioenergy technology has become one of the major hot topics in the world, and is concerned by governments and scientists of various countries in the world. Corresponding development and research plans are made in many countries, and the development and utilization of biological energy sources occupy a considerable share in the world of large countries. Many foreign biological energy technologies and devices have already reached the degree of commercial application, and compared with other biomass energy technologies, the biomass pellet fuel technology is easier to realize large-scale production and use. The convenience degree of using the biological energy particles can be compared favorably with energy sources such as gas, fuel oil and the like. In Europe and America, biomass particle fuel for common residents and matched efficient clean combustion heating stoves are very popular. China also pays great attention to the development and utilization of biological energy. Since the 80 s in the 20 th century, the Chinese government has listed the research and application of biomass energy utilization technology as key scientific and technological offensive projects, developed the research and development of new biomass energy utilization technology, and further improved the biomass energy technology.
The existing biomass pellet fuel is solid pellet, the appearance is cylindric, and the manufacturing procedure includes: the method comprises the following steps of raw material crushing, drying, conveying, mixing, feeding, forming, cutting, cooling, metering and packaging and the like, wherein the forming is a core process, namely, particles of the fuel are pressed and formed into fuel particles with the size meeting the requirements, the common pressing equipment is a ring die, a plurality of forming holes are arranged on the ring die, the particles of the raw materials are pressed out of the forming holes on the ring die by a press roll and the like, and the biomass particle fuel.
The solid biomass granular fuel manufactured by the ring die pressing method has the characteristics of high density and dense interior, so that the solid biomass granular fuel has the characteristics of burning resistance and high energy density, and is suitable for industrial occasions such as a combustion boiler in a factory and the like; however, in the modern day when the biomass granular fuel is increasingly popularized, farmers in many villages use the biomass granular fuel to cook water and rice on daily fire, and heat a coal stove in winter, and the like for heating, the conventional solid biomass granular fuel has the following defects: gaps among fuel particles are few, and oxygen supply is insufficient; the initial combustion speed of the fuel is slow, and the heat generation is slow. The biomass pellet fuel is made into a hollow round pipe or a closed round pipe, so that the oxygen supply during combustion can be effectively improved, the combustion is more sufficient, the initial stage of combustion is fast, and the biomass pellet fuel is suitable for being used on a small coal stove.
Disclosure of Invention
The invention aims to provide a hollow biomass pellet fuel forming machine; the manufactured biomass pellet fuel is in a round tube shape, and has the characteristics of easiness in combustion, high initial combustion speed and sufficient combustion.
In order to achieve the purpose of the invention, the technical scheme is as follows:
a hollow biomass pellet fuel forming machine comprises a shell, wherein a feed inlet is formed above the shell, a hollow shaft is mounted in the central axis of the shell, spiral pushing blades are fixed on the periphery of the hollow shaft, and bearings at two ends of the hollow shaft are respectively fixed on a support at the rear end of the shell and at the front part of the shell; the outlet end of the shell is provided with a core rod, the fixed end of the core rod is connected to the support, and the free end of the core rod extends to the forming outlet.
The biomass particle raw materials which are crushed and uniformly mixed enter the shell from the feeding hole, the raw materials are pushed to the outlet end of the shell from the rear part of the shell under the rotary propelling action of the spiral pushing blade, the hollow shaft and the spiral pushing blade are fixed into a whole and are supported by bearings at two ends of the hollow shaft to rotate, and the support at the front part of the shell is provided with a plurality of radial support rods, so that the bearings are fixed at the central axis of the shell; the fixed end of the core bar is also fixed on the bracket; when the raw material is molded, the outlet end of the shell is responsible for molding the outer diameter shape of the fuel, and the core rod is responsible for molding the inner diameter shape of the fuel, so that the fuel finally becomes hollow tubular biomass granular fuel and is pushed out of the shell.
The outlet end of the shell is provided with a discharging platform, a discharging platform is arranged beside the discharging platform, and a cutting device is arranged above the discharging platform. When the tubular biomass granular fuel is pushed out from the shell, the discharging platform is used for bearing the weight of the tubular biomass granular fuel, so that the tubular biomass granular fuel is not folded and deformed under the influence of gravity. After the tubular fuel enters the discharging table, the tubular fuel is cut into preset lengths by a cutting device above the discharging table, the cutting device can be a cutter moving up and down or a disc saw blade moving up and down, and the saw blade is driven by a motor.
The upper plane of the discharging platform is an inclined plane, and the collecting box is placed below the discharging platform. After the tubular fuel is cut, the tubular fuel automatically falls into the collecting box from the inclined plane on the discharging platform to finish the collection.
The core rod is of a hollow structure, a core oil duct is arranged in the middle of the core rod, the core oil duct is connected to the adhesive box from the hollow shaft through a pipeline, a plurality of annularly distributed core oil outlets are arranged at the position, close to the shell outlet, of the core rod, and the core oil outlets are connected with the core oil duct through the oil duct. The adhesive in the adhesive box is conveyed to a pipeline of a hollow shaft middle cavity at the rear part of the shell through a pipeline, then conveyed to a core oil duct from the pipeline of the hollow shaft middle cavity, and then conveyed to a core oil outlet, and finally the adhesive is coated in the inner diameter of the tubular fuel, so that the surface form of the fuel is stabilized, and raw material particles are not dispersed; on the other hand, the adhesive also has the function of combustion supporting, so that the fuel is easier to burn.
The oil outlet of the shell is provided with a plurality of surface oil outlets which are distributed annularly, the surface oil outlets are connected with an oil outlet ring groove in the shell through an oil duct, and the oil outlet ring groove is connected to an adhesive box through a pipeline. The adhesive in the adhesive box is conveyed to an oil outlet ring groove at the outlet of the shell through a pipeline, and the oil outlet ring groove coats the adhesive on the outer diameter surface of the tubular fuel through the densely distributed surface oil outlets, so that the surface form of the fuel is stabilized, and raw material particles are not dispersed; on the other hand, the adhesive also has the function of combustion supporting, so that the fuel is easier to burn.
And a pump is arranged at the outlet of the adhesive box. Used for pumping the adhesive in the adhesive box into the pipeline.
The inside of the adhesive box is filled with polyvinyl alcohol aqueous solution or white mineral oil. Heating a polyvinyl alcohol aqueous solution to 60-70 ℃, basically dissolving the polyvinyl alcohol aqueous solution in water, coating the polyvinyl alcohol aqueous solution on the surface of the biomass particle raw material, and drying to obtain the molded biomass particle raw material with the surface shaped; the polyvinyl alcohol has strong inflammability, can also play a role in supporting combustion when being smeared on the surface of fuel, generates carbon dioxide after combustion, does not generate toxic gas, and is suitable for being used on frequent ignition or small-sized combustion equipment. The white mineral oil is also called sewing machine oil, is colorless, tasteless, chemically inert and good in light stability, basically has a saturated hydrocarbon structure, is similar to zero in substances such as aromatic hydrocarbon, nitrogen, oxygen and sulfur, does not generate toxic gas after combustion, is coated on the surface of fuel to play a certain role in solidifying the surface of the fuel, and also can play a role in lubricating an outlet and a core rod and preventing raw materials from being adhered. Rosin is heated and insulated in a curing liquid box to be in a molten liquid state, the molten liquid state is conveyed to an outlet through an insulated pipeline, heating elements such as heating resistance wires are additionally arranged at the outlet to heat the outlet, and the rosin is ensured not to be solidified before being coated. The starch adhesive is prepared from the following raw materials in parts by weight: the preparation method comprises the steps of sequentially adding starch, a sodium hydroxide solution and hydrogen peroxide into water, and uniformly mixing to obtain the starch-containing hydrogen peroxide solution containing 1 part of 30% hydrogen peroxide, 5 parts of a sodium hydroxide solution with the concentration of 30%, 15 parts of plant starch and 90 parts of water.
The invention has the prominent substantive characteristics and remarkable progress that:
1. the biomass pellet fuel manufactured by the invention is in a circular tube shape, and has the advantages of easy combustion, high initial combustion speed and full combustion.
2. The hollow biomass granular fuel forming machine has stable operation and easy maintenance of the structure, the easily damaged parts such as the core rod, the shell outlet part and the like are made into the detachable structure, the time for maintaining and replacing the parts can be reduced, the shell outlet part and the core rod with different sizes can be replaced, the hollow biomass granular fuels with different inner and outer diameter sizes can be produced, and the application range of the hollow biomass granular fuel forming machine is enlarged.
3. The biomass granular fuel manufactured by the invention has hard surface, is not easy to disperse, has stronger waterproof capability in the transportation process, and is suitable for being used in a humid environment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
the component names and serial numbers in the figure are:
1. a housing; 11. a feed hopper; 12. a helical pushing blade; 13. a hollow shaft; 14. a core bar; 15. a support; 16. a bearing; 2. a discharging table; 21. a discharge platform; 22. a cutting device; 23. a collection box; 3. an adhesive box; 31. a pump; 41. a core oil outlet; 42. a core oil passage; 43. a surface oil outlet; 44. and an oil outlet ring groove.
Detailed Description
Example 1
A hollow biomass pellet fuel forming machine comprises a shell 1, a feed inlet 11 is arranged above the shell 1, a hollow shaft 13 is mounted on the central axis in the shell 1, spiral pushing blades 12 are fixed on the periphery of the hollow shaft 13, and bearings 16 at two ends of the hollow shaft 13 are respectively fixed on a support 15 at the rear end of the shell and at the front part of the shell; the outlet end of the shell 1 is provided with a core bar 14, the fixed end of the core bar 14 is connected to a support 15, and the free end extends to the forming outlet;
the outlet end of the shell 1 is provided with a discharging platform 2, a discharging platform 21 is arranged beside the discharging platform 2, and a cutting device 22 is arranged above the discharging platform 21;
the upper plane of the discharging platform 21 is an inclined plane, and a collecting box 23 is arranged below the discharging platform 21;
the core rod 14 is of a hollow structure, a core oil passage 42 is arranged in the middle of the core rod, the core oil passage 42 is connected to the adhesive box 3 from the hollow shaft 13 through a pipeline, a plurality of core oil outlets 41 distributed annularly are arranged at the position, close to the outlet of the shell 1, of the core rod 14, and the core oil outlets 41 are connected with the core oil passage 42 through oil passages;
a plurality of surface oil outlets 43 distributed annularly are arranged at an outlet of the shell 1, the surface oil outlets 43 are connected with an oil outlet ring groove 44 in the shell 1 through oil ducts, and the oil outlet ring groove 44 is connected to the adhesive box 3 through a pipeline;
a pump 31 is arranged at the outlet of the adhesive box 3;
the inside of the adhesive box 3 is filled with a polyvinyl alcohol solution.
The prepared hollow biomass granular fuel has the following sizes: the outer diameter is 12mm, and the inner diameter is 6 mm.
Example 2
The difference from example 1 is that: the number of core rods in the hollow biomass pellet fuel forming machine is 12, the outlet is provided with a hole die at a corresponding position for forming the outer circle surface of the biomass fuel, and the inside of the adhesive box 3 is filled with white mineral oil.
Example 3
The difference from example 1 is that: a plurality of hollow biomass granular fuel forming machines are placed in parallel and operate simultaneously, and share one adhesive box 3 and a pump 31; 3-4 hollow biomass pellet fuel forming machines share one cutting device 22 and a collecting box 23; the inside of the adhesive box 3 is filled with starch adhesive.
Example 4
The difference from example 1 is that: the adhesive box 3 is filled with rosin.
Claims (7)
1. A hollow biomass pellet fuel make-up machine which characterized in that: the spiral pushing device comprises a shell (1), wherein a feeding hole (11) is formed in the upper portion of the shell (1), a hollow shaft (13) is installed on the central axis of the shell (1), spiral pushing blades (12) are fixed on the periphery of the hollow shaft (13), and bearings (16) at two ends of the hollow shaft (13) are respectively fixed on a support (15) at the rear end of the shell and at the front portion of the shell; the outlet end of the shell (1) is provided with a core rod (14), the fixed end of the core rod (14) is connected to the support (15), and the free end extends to the forming outlet.
2. The hollow biomass pellet fuel molding machine as claimed in claim 1, wherein: the outlet end of the shell (1) is provided with a discharging platform (2), a discharging platform (21) is arranged beside the discharging platform (2), and a cutting device (22) is arranged above the discharging platform (21).
3. The hollow biomass pellet fuel molding machine as claimed in claim 2, characterized in that: the upper plane of the discharging platform (21) is an inclined plane, and the collecting box (23) is placed below the discharging platform (21).
4. The hollow biomass pellet fuel molding machine as claimed in claim 1, wherein: the core rod (14) is of a hollow structure, a core oil duct (42) is arranged in the middle of the core rod, the core oil duct (42) is connected to the adhesive box (3) from the hollow shaft (13) through a pipeline, a plurality of annularly distributed core oil outlets (41) are arranged at the position, close to the outlet of the shell (1), of the core rod (14), and the core oil outlets (41) are connected with the core oil duct (42) through oil ducts.
5. The hollow biomass pellet fuel molding machine as claimed in claim 1, wherein: the oil-saving adhesive is characterized in that a plurality of surface oil outlets (43) distributed in an annular mode are arranged at an outlet of the shell (1), the surface oil outlets (43) are connected with an oil outlet ring groove (44) in the shell (1) through oil ducts, and the oil outlet ring groove (44) is connected to the adhesive box (3) through pipelines.
6. The hollow biomass pellet fuel molding machine as claimed in claim 4 or 5, wherein: and a pump (31) is arranged at the outlet of the adhesive box (3).
7. The hollow biomass pellet fuel molding machine as claimed in claim 4 or 5, wherein: the adhesive box (3) is filled with polyvinyl alcohol solution, white mineral oil, rosin or starch adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946914.XA CN110624474A (en) | 2019-10-07 | 2019-10-07 | Hollow biomass granular fuel forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910946914.XA CN110624474A (en) | 2019-10-07 | 2019-10-07 | Hollow biomass granular fuel forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110624474A true CN110624474A (en) | 2019-12-31 |
Family
ID=68975604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910946914.XA Pending CN110624474A (en) | 2019-10-07 | 2019-10-07 | Hollow biomass granular fuel forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110624474A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056912A (en) * | 1990-05-25 | 1991-12-11 | 段有福 | Cylinder-type article made from paper fibres and its manufacture method and former thereof |
| EP0880994A2 (en) * | 1997-05-28 | 1998-12-02 | Johann Stari Gesellschaft m.b.H. | Apparatus for making granulate |
| CN1411983A (en) * | 2002-12-06 | 2003-04-23 | 甘国工 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
| CN201389969Y (en) * | 2009-04-23 | 2010-01-27 | 山东陆宇塑胶工业有限公司 | Extruder neck-ring-mold anti-drop device |
| CN101884893A (en) * | 2010-06-28 | 2010-11-17 | 江苏大学 | Self-heating biomass fuel pellet moulding device |
| CN102085715A (en) * | 2009-12-02 | 2011-06-08 | 赵越 | Method for preparing heat shrinkable tube having inner wall coated with glue |
| CN202079806U (en) * | 2011-03-18 | 2011-12-21 | 四川洪春福环保设备有限公司 | Fuel forming machine |
| CN204977543U (en) * | 2015-04-17 | 2016-01-20 | 汪春成 | Hollow living beings pellet fuel prilling granulator |
| CN105398014A (en) * | 2015-11-24 | 2016-03-16 | 重庆市巴南区新星橡胶厂 | Extrusion machine for rubber processing |
-
2019
- 2019-10-07 CN CN201910946914.XA patent/CN110624474A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056912A (en) * | 1990-05-25 | 1991-12-11 | 段有福 | Cylinder-type article made from paper fibres and its manufacture method and former thereof |
| EP0880994A2 (en) * | 1997-05-28 | 1998-12-02 | Johann Stari Gesellschaft m.b.H. | Apparatus for making granulate |
| CN1411983A (en) * | 2002-12-06 | 2003-04-23 | 甘国工 | Continuous production equipment of steel-plastics composite pipe whose internal and external surfaces of holed steel skeleton are coated with adhesive |
| CN201389969Y (en) * | 2009-04-23 | 2010-01-27 | 山东陆宇塑胶工业有限公司 | Extruder neck-ring-mold anti-drop device |
| CN102085715A (en) * | 2009-12-02 | 2011-06-08 | 赵越 | Method for preparing heat shrinkable tube having inner wall coated with glue |
| CN101884893A (en) * | 2010-06-28 | 2010-11-17 | 江苏大学 | Self-heating biomass fuel pellet moulding device |
| CN202079806U (en) * | 2011-03-18 | 2011-12-21 | 四川洪春福环保设备有限公司 | Fuel forming machine |
| CN204977543U (en) * | 2015-04-17 | 2016-01-20 | 汪春成 | Hollow living beings pellet fuel prilling granulator |
| CN105398014A (en) * | 2015-11-24 | 2016-03-16 | 重庆市巴南区新星橡胶厂 | Extrusion machine for rubber processing |
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