CN102615849B - Forming mould and forming method of biomass briquette fuel - Google Patents
Forming mould and forming method of biomass briquette fuel Download PDFInfo
- Publication number
- CN102615849B CN102615849B CN201210084590.1A CN201210084590A CN102615849B CN 102615849 B CN102615849 B CN 102615849B CN 201210084590 A CN201210084590 A CN 201210084590A CN 102615849 B CN102615849 B CN 102615849B
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- CN
- China
- Prior art keywords
- gear
- biomass
- mould
- forming
- biomass material
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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
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
- B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
- B30B11/202—Ring constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/20—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
- B30B11/201—Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
- B30B11/208—Roller constructions; Mounting of the rollers
Abstract
The invention discloses a forming mould and a forming method of biomass briquette fuel. According to the invention, a cutting action is played on a biomass material stored in a top cut area during gear mesh; the cutting force can be decomposed into an axial component force along a forming hole to ensure that the biomass material is pushed into the forming hole and the extrusion effect is obviously improved. The inside engaged gear type forming mould disclosed by the invention has the advantages of simple structure, long service life, little energy consumption and capability of continuously operating and solving the technical problems needed to be solved in biomass briquette fuel manufacturing technology.
Description
Technical field
The invention belongs to new energy field, be specifically related to a kind of inside engaged gear formula mould for the manufacture of biomass molding fuel and forming method.
Technical background
The energy is the material base that the mankind depend on for existence, is the primary condition of the national economic development.China is energy-consuming big country, the fossil energy that energy supply mainly relies on coal, oil and natural gas etc. non-renewable, and the immense pressure that the finiteness of fossil energy resource and exploitation process thereof cause environmental ecology, seriously govern socioeconomic sustainable development.Renewable Energy Development is the important technology approach realizing the comprehensive utilization of natural resources and the sustainable development of economic society.
So-called biomass energy (biomass energy), being that green plants converts solar energy into by chlorophyll the energy that chemical energy is stored in living beings inside, is a kind of regenerative resource, is also unique a kind of regenerative resource.
So-called biomass molding fuel be by draft or ligniform biomass material by mechanical-physical effect, be processed into the granular fuel of the shape such as cylindrical, tubular.
Europe takes the lead in developing with wood chip the forming technique of the biomass molding fuel being raw material, is that the biomass molding fuel of raw material is widely used in European countries such as Germany, Denmark, Sweden, Italy with wood chip.
On the Land use systems of biomass energy, have gaseous state, liquid state and solid-state three kinds, solid-state biomass molding fuel is the industrialization direction having market prospects most.According to " planning of regenerative resource Long-and Medium-term Development " that the National Development and Reform Commission of the People's Republic of China (PRC) in September, 2007 promulgates, to the year two thousand twenty, Chinese biological matter shaped fuel year utilization will reach 5,000 ten thousand tons.
The dried calorific value of biomass material, generally between 3500kcal/kg to 5000kcal/kg, is wherein the highest with bamboo wood.1 kilogram of dry bamboo wood is suitable with raw coal, and its calorific value is about 5000kcal/kg, is equivalent to 0.714 kilogram of raw coal (calorific value of standard coal is 7000kcal/kg, and per kilogram raw coal is equivalent to 0.7143 kilogram of standard coal).
Piston type forming machine, screw type shaping machine, roller press type forming machine are the capital equipments manufacturing biomass molding fuel.
Different from the draft such as rice husk, straw agricultural waste material, the calorific value of the biomass materials such as bamboo bits, wood chip is higher, but difficult forming, mould very easily weares and teares, bearing breaks and happens occasionally, and is difficult to continuous operation, thus causes maintenance cost high, energy resource consumption is large, substantially increases the manufacturing cost of the biomass molding fuels such as bamboo bits, wood chip.
For these forming machines of biomass molding fuel, mould becomes technical problem urgently to be resolved hurrily in biomass molding fuel manufacturing technology with the forming method based on this mould.
Patent of invention (invention number: 201110274628.7) disclose a kind of mould using cylinder as pressure roller, patent of invention (invention number: 201110002215.3) disclose a kind of mould using gear as pressure roller.In the present invention as stated above, a pair cylinder or a pair gear of built-in forming hole form roller press type mould, and its basic forming method is:
Biomass material after pulverizing enters the inter-lobe clearance between gap between two cylinders or two gears, because pressure roller is to the grinding pressure of material, causes material to be rolled thus the forming hole entered in pressure roller carries out shaping.
There are 3 major defects in above-mentioned roller press type mould and forming method:
Gap between a pair pressure roller for what store biomass material when 1, rolling.Described gap is very little, and thus to roll the biomass material entering forming hole little at every turn.
2, there is many spaces in biomass material inside, because of but compressible.The compressibility of biomass material causes most of grinding pressure to be dissipated in these spaces, and the grinding pressure acting on biomass material reduces greatly, and the extruding force wretched insufficiency produced when rolling, squeezing effect is poor.
3, great frictional force is created in the forming process of biomass material in forming hole.For overcoming this frictional force, need sizable axial compression power.But directly can not produce described axial compression power to material during pressure roller running, mould very easily weares and teares, and bearing breaks and happens occasionally, and energy resource consumption is large, is difficult to continuous operation.
Summary of the invention
Based on producing the principle of pushing up and cutting during gear drive, the present invention proposes a kind of mould and forming method of biomass molding fuel, for the manufacture of biomass molding fuel.
Technical scheme of the present invention is as follows.
A mould for biomass molding fuel, comprises a pair inside engaged gear formula pressure roller be made up of the first gear of mutual internal messing and the second gear; Each gear teeth of described first gear arrange some forming holes vertically, and described forming hole is used for the shaping of biomass material; Described second gear and the first gear internal messing also produce top to the first gear and cut, described first gear is top gear cutting machine, the tooth crest of described top gear cutting machine is top cutting exterior feature, described top cutting exterior feature is the flank profil formed after part of standards flank profil is cut on tooth crest top, thus forms one respectively in the both sides, top of each gear teeth for storing the Ding Qie district of biomass material.
Described first gear and the second gear are involute gear, and the number of teeth of described second gear is 8 ~ 12.
The standard flank profil in the tooth root portion of described first gear and the top cutting of tooth crest are wide to be connected by one section of smooth easement curve.
Each tooth groove root of described first gear is also provided with forming hole vertically.
Described forming hole comprises crush zone and curing area; Described crush zone is common taper hole, and the compression ratio of described curing area is 4.5 ~ 6.
Described crush zone is streamlined taper hole.
A forming method for biomass molding fuel, comprises the steps:
Step (1), biomass material enter the mould of biomass molding fuel from charging aperture;
The mould running of step (2), biomass molding fuel, described biomass material enters with pinion rotation and is stored in the Ding Qie district of the first gear, and the biomass material be stored in described Ding Qie district extruding enters in the forming hole of the first gear by the top shear force produced when the second gear and described first gears meshing;
Step (3), described biomass material extrude as shaped fuel in the crush zone of described forming hole;
Step (4), described shaped fuel solidify in the curing area of described forming hole;
Step (5), described shaped fuel enter in the middle through-hole of described gear the discharge that fractures.
Through following treatment process before described step (1): the pulverizing of material, stirring, superheated steam soften and dry (moisture content is below 30%).
Biomass material (4) in described step (1) comprises bamboo bits, wood chip, Chinese silvergrass, huge bacterium grass or rice husk straw.
Be compared with the prior art, the beneficial effect that the present invention produces is:
1, in the prior art, biomass material is stored in inter-lobe clearance or in cylinder gap.Described gap is less, and the biomass material of storage is few.In the present invention, biomass material is stored in Ding Qie district, and the biomass material of storage is many.
Biomass material is expressed in shaped hole by the grinding pressure that 2, prior art relies on the gear teeth or cylinder to produce.Due to the compressibility of biomass material, most of grinding pressure is dissipated in the space between biomass material, and the extruding force wretched insufficiency produced when rolling, squeezing effect is poor.In the present invention, produce shear action to the biomass material be stored in Ding Qie district during gears meshing, its cutting force can be analyzed to the axial compression power along forming hole, enters in forming hole, significantly improve squeezing effect by biomass material extruding.
3, the inside engaged gear formula mould that proposes of the present invention, structure is simple, long service life, energy resource consumption are few, can run continuously, solve technical problem urgently to be resolved hurrily in biomass molding fuel manufacturing technology.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the inside engaged gear formula mould of detailed description of the invention;
Fig. 2 is the flank profil schematic diagram of the top gear cutting machine of Fig. 1;
Fig. 3 is the forming hole distribution schematic diagram vertically of Fig. 1;
Fig. 4 is the schematic diagram of the plain taper forming hole of Fig. 1;
Fig. 5 is the schematic diagram of another kind of streamlined forming hole.
Detailed description of the invention
During by the pinion cutter machining interal that the number of teeth is less, can there is root and cut in the addendum angle of internal gear and the tooth root of pinion cutter, and the addendum angle of internal gear is cut a part by pinion cutter and top occurs cuts phenomenon.The number of teeth of pinion cutter is fewer, and the top of internal gear is cut more serious.
It is wide that the flank profil that tooth crest top is formed after cutting away part of standards flank profil is referred to as top cutting.The gear that there is top cutting exterior feature is referred to as to push up gear cutting machine.
In gear drive, top is cut and will be produced serious interference, and gear or stuck or damage, cause transmission failure.For this reason, when occurring that top is cut, prior art takes many technological means, to avoid producing top gear cutting machine.
The gear motion of gear is used for extruding biomass material by the present invention, and top is cut and can be produced top shear force, is conducive to the extruded of biomass material.Thus, the present invention, according to tangent condition processing top, top gear cutting machine, forms inside engaged gear formula pressing roller mold with another master gear.
A kind of detailed description of the invention as shown in Figure 1.For ensureing the stationarity of gear motion, have at least the more than one pair of gear teeth to engage simultaneously.First gear 1 and the second gear 2 internal messing mutually, forms a pair inside engaged gear formula pressure roller, and wherein the first gear 1 is top gear cutting machine.
For involute gear, cut for producing top, the number of teeth of the second gear 2 generally can be taken as 8 ~ 12.
First gear 1 is the top gear cutting machine shaped, and its flank profil is divided into ab, cd bis-sections, and ab is standard flank profil, and cd is top cutting exterior feature.Dotted line in figure is pushed up the standard flank profil of cutting, and the region between itself and top cutting exterior feature is referred to as Ding Qie district.Ding Qie district has two.
As shown in Figure 3, each gear teeth of the first gear 1 arrange some forming holes 3 vertically; Each tooth groove root of the first gear 1 also arranges some forming holes 3 vertically.
Biomass material 4 is entered in the middle of inside engaged gear formula pressure roller by the cavity of the first gear 1, is stored in inter-lobe clearance.
When inside engaged gear formula pressure roller produces gear motion, the biomass material be stored in inter-lobe clearance is rolled.Due to the compressibility of biomass material, most of grinding pressure is dissipated in the space between biomass material, and the extruding force rolling generation is not enough, and squeezing effect is poor.
In this technical em-bodiments, except the biomass material in inter-lobe clearance, most of biomass material is stored in the Ding Qie district of the first gear 1.When inside engaged gear formula pressure roller produces gear motion, second gear 2 produces top to the first gear 1 and cuts, shear action is produced to the biomass material be stored in the first gear 1 Ding Qie district, its cutting force can be analyzed to the axial compression power along forming hole 3 direction, biomass material extruding is entered in forming hole 3.
The structure of forming hole 3 as shown in Figure 3.Wherein, crush zone 3-1 for the common taper hole shown in Fig. 3, curing area 3-2 be circular hole.In crush zone 3-1, biomass material is squeezed into curing molding in the 3-2 of curing area.In the 3-2 of curing area, the length-to-diameter of circular hole is called compression ratio; The diameter of circular hole is generally 8mm; Compression ratio is generally 4.5 ~ 6, if the length of circular hole is long in the 3-2 of curing area, then and reaming, as shown in Figure 2.
Particularly, crush zone 3-1 is the streamlined taper hole shown in Fig. 4, to reduce axial friction, increases radial compression power.
For reducing frictional force during biomass material press-in forming hole 3, the top cutting exterior feature cd at the standard flank profil ab of the first gear 1 and top one section of smooth easement curve bc is connected.
In above-mentioned inside engaged gear formula pressure roller, the first gear 1 or the second gear 2 all can be used as driving wheel.Other technologies problem, such as, the connected mode of inside engaged gear formula pressure roller and motor, the configuration of bearing, assembling mode, speed regulating method etc. are routine techniques.
The inside engaged gear formula mould adopting the present invention to propose can be used for the biomass material of the difficult forming such as bamboo bits, wood chip, particularly the biomass material of the high or 100% bamboo bits formation of bamboo bits content.
In the present invention, biomass material also comprises the agricultural waste material such as rice husk, straw, Chinese silvergrass, huge bacterium grass equal energy source grass.
In the present invention, need not any additive and cementing agent in biomass material, die life is long, production efficiency is high, energy resource consumption is little.
Adopt the technical scheme of the forming method of the biomass molding fuel of above-mentioned mould as follows:
Step (1), biomass material pulverized, stir, superheated steam is softening and dry (moisture content is below 30%); Biomass material 4 is entered inside engaged gear formula mould from charging aperture;
Step (2), inside engaged gear formula mould operate, biomass material 4 enters with pinion rotation and is stored in the Ding Qie district of the second gear 1, and the biomass material 4 be stored in Ding Qie district extruding enters in the forming hole 3 of the first gear 1 by the top shear force produced when the second gear 2 and the first gear 1 engage;
Step (3), biomass material 4 extrude as shaped fuel in the crush zone of forming hole 3;
Step (4), shaped fuel solidify in the curing area of forming hole 3;
Step (5), shaped fuel enter in the middle through-hole of gear 1 discharge that fractures.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention; without departing from the inventive concept of the premise; some simple deduction or replace can also be made; such as; spur gear or helical gear can be adopted; various different pitch curve can also be adopted and according to different tangent condition manufacture top, top gear cutting machines etc., all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a mould for biomass molding fuel, comprises a pair inside engaged gear formula pressure roller be made up of first gear (1) of mutual internal messing and the second gear (2); Each gear teeth of described first gear (1) arrange some forming holes (3) vertically, and described forming hole (3) is shaping for biomass material (4); It is characterized in that:
Described second gear (2) produces top to the first gear (1) and cuts, described first gear (1) is top gear cutting machine, the tooth crest of described top gear cutting machine is top cutting exterior feature, described top cutting exterior feature is the flank profil formed after part of standards flank profil is cut on tooth crest top, thus forms one respectively in the both sides, top of each gear teeth for storing the Ding Qie district of biomass material.
2. the mould of biomass molding fuel as claimed in claim 1, be further characterized in that, described first gear (1) and the second gear (2) are involute gear, and the number of teeth of described second gear (2) is 8 ~ 12.
3. the mould of biomass molding fuel as claimed in claim 1, is further characterized in that, the standard flank profil in the tooth root portion of described first gear (1) and the top cutting exterior feature of tooth crest are connected by one section of smooth easement curve.
4. the mould of biomass molding fuel as claimed in claim 1, be further characterized in that, each tooth groove root of described first gear (1) is also provided with forming hole (3) vertically.
5. the mould of biomass molding fuel as claimed in claim 4, be further characterized in that, described forming hole (3) comprises crush zone (3-1) and curing area (3-2); Described crush zone (3-1) is common taper hole, and the compression ratio of described curing area (3-2) is 4.5 ~ 6.
6. the mould of biomass molding fuel as claimed in claim 5, be further characterized in that, described crush zone (3-1) is streamlined taper hole.
7. a forming method for biomass molding fuel, is characterized in that, comprises the steps:
Step (1), biomass material (4) enter the mould of the biomass molding fuel claim 1 to 6 described in any one from charging aperture;
The mould running of step (2), biomass molding fuel, described biomass material (4) enters with pinion rotation and is stored in the Ding Qie district of the first gear (1), and the biomass material (4) be stored in described Ding Qie district extruding enters in the forming hole (3) of the first gear (1) by the top shear force produced when the second gear (2) and described first gear (1) engagement;
Step (3), described biomass material (4) extrude as shaped fuel in the crush zone of described forming hole (3);
Step (4), described shaped fuel solidify in the curing area of described forming hole (3);
Step (5), described shaped fuel enter in the middle through-hole of described gear (1) discharge that fractures.
8. the forming method of biomass molding fuel as claimed in claim 7, is further characterized in that, through following treatment process before described step (1): the pulverizing of material, stirring, superheated steam are softening and dry.
9. the forming method of biomass molding fuel as claimed in claim 7, is further characterized in that, the biomass material (4) in described step (1) comprises bamboo bits, wood chip, Chinese silvergrass, huge bacterium grass or rice husk straw.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084590.1A CN102615849B (en) | 2012-03-27 | 2012-03-27 | Forming mould and forming method of biomass briquette fuel |
| PCT/CN2012/074462 WO2013143193A1 (en) | 2012-03-27 | 2012-04-20 | Forming mold and forming method for biomass briquette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210084590.1A CN102615849B (en) | 2012-03-27 | 2012-03-27 | Forming mould and forming method of biomass briquette fuel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102615849A CN102615849A (en) | 2012-08-01 |
| CN102615849B true CN102615849B (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210084590.1A Expired - Fee Related CN102615849B (en) | 2012-03-27 | 2012-03-27 | Forming mould and forming method of biomass briquette fuel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102615849B (en) |
| WO (1) | WO2013143193A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962805A (en) * | 2017-11-24 | 2018-04-27 | 桂林师范高等专科学校 | Biomass fuel forming device |
| CN109435314A (en) * | 2018-12-28 | 2019-03-08 | 枣庄学院 | A kind of heated type honeycomb biomass solidified fuel molding machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59199198A (en) * | 1983-04-26 | 1984-11-12 | Ishida Tekkosho:Kk | Granuration device for waste material or the like |
| DE4422403C1 (en) * | 1994-06-27 | 1995-06-01 | Santrade Ltd | Granulating machine with one toothed roll inside another |
| CN101786342A (en) * | 2009-01-23 | 2010-07-28 | 北京汉坤科技有限公司 | Inner roll concave and convex biomass compact forming method |
| CN201677529U (en) * | 2010-04-30 | 2010-12-22 | 北京汉坤科技有限公司 | Planetary gear type inner and outer ring mold pressing mechanism for compressing and forming straw particles |
| CN102248696A (en) * | 2011-06-29 | 2011-11-23 | 义乌市安冬电器有限公司 | Biomass particle molding module and biomass particle molding machine |
| CN202573054U (en) * | 2012-03-27 | 2012-12-05 | 江俊逢 | Molding die of biomass molding fuel |
-
2012
- 2012-03-27 CN CN201210084590.1A patent/CN102615849B/en not_active Expired - Fee Related
- 2012-04-20 WO PCT/CN2012/074462 patent/WO2013143193A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59199198A (en) * | 1983-04-26 | 1984-11-12 | Ishida Tekkosho:Kk | Granuration device for waste material or the like |
| DE4422403C1 (en) * | 1994-06-27 | 1995-06-01 | Santrade Ltd | Granulating machine with one toothed roll inside another |
| CN101786342A (en) * | 2009-01-23 | 2010-07-28 | 北京汉坤科技有限公司 | Inner roll concave and convex biomass compact forming method |
| CN201677529U (en) * | 2010-04-30 | 2010-12-22 | 北京汉坤科技有限公司 | Planetary gear type inner and outer ring mold pressing mechanism for compressing and forming straw particles |
| CN102248696A (en) * | 2011-06-29 | 2011-11-23 | 义乌市安冬电器有限公司 | Biomass particle molding module and biomass particle molding machine |
| CN202573054U (en) * | 2012-03-27 | 2012-12-05 | 江俊逢 | Molding die of biomass molding fuel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102615849A (en) | 2012-08-01 |
| WO2013143193A1 (en) | 2013-10-03 |
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Owner name: JIANGXI FUTURE BIOMASS ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANG JUNFENG Effective date: 20150708 Free format text: FORMER OWNER: LIAO WEIBING Effective date: 20150708 |
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Application publication date: 20120801 Assignee: Jiangxi future New Energy Technology Co., Ltd. Assignor: Jiang Junfeng|Liao Weibing Contract record no.: 2015360000057 Denomination of invention: Forming mold for biomass briquette and forming method Granted publication date: 20141224 License type: Exclusive License Record date: 20150601 |
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Effective date of registration: 20150708 Address after: 336399 Yifeng County Industrial Park, Jiangxi, Yichun Patentee after: Jiangxi future New Energy Technology Co., Ltd. Address before: Luohu District, Shenzhen city of Guangdong Province, 518000 North Road, No. 2006 Sijiqing building Patentee before: Jiang Junfeng Patentee before: Liao Weibing |
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Address after: 336399 Yifeng County Industrial Park, Jiangxi, Yichun Patentee after: Jiangxi promising new energy Polytron Technologies Inc Address before: 336399 Yifeng County Industrial Park, Jiangxi, Yichun Patentee before: Jiangxi future New Energy Technology Co., Ltd. |
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