CN103434178A - Three-layer biomass extrusion moulding device and vertical biomass extrusion moulding machine - Google Patents
Three-layer biomass extrusion moulding device and vertical biomass extrusion moulding machine Download PDFInfo
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- CN103434178A CN103434178A CN2013103207875A CN201310320787A CN103434178A CN 103434178 A CN103434178 A CN 103434178A CN 2013103207875 A CN2013103207875 A CN 2013103207875A CN 201310320787 A CN201310320787 A CN 201310320787A CN 103434178 A CN103434178 A CN 103434178A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B30B11/22—Extrusion presses; Dies therefor
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Abstract
The invention provides a three-layer biomass extrusion moulding device, which comprises an upper layer extrusion moulding device, a middle layer extrusion moulding device and a lower layer extrusion moulding device, wherein the upper layer extrusion moulding device, the middle layer extrusion moulding device and the lower layer extrusion moulding device are arranged in sequence from top to bottom; any one of the extrusion moulding devices consists of a pressure roller mechanism and a flat-die plate arranged at the bottom part of the corresponding pressure roller mechanism; axes of the flat-die plates a, b and c are coincident; two rows of die holes are distributed in each flat-die plate by taking the circle center of the corresponding flat-die plate as the datum; the lower port of each die hole forms a discharge hole. A vertical main shaft is also arranged in a vertical biomass extrusion moulding machine with the three-layer biomass extrusion moulding device; the vertical main shaft consists of an upper shaft and a lower shaft; the upper shaft is sheathed with the flat-die plates in the upper layer extrusion moulding device, the middle layer extrusion moulding device and the lower layer extrusion moulding device; the lower shaft is arranged on a rack in an upper and lower two-point support bearing configuration manner. Extrusion moulding can be performed on a biomass material for three times by the three-layer biomass extrusion moulding device provided by the invention, and therefore, the extrusion moulding effect of the material is improved. Moreover, the extrusion moulding efficiency of the biomass material also can be improved.
Description
Technical field
The present invention relates to a kind of biomass extrusion molding device, especially a kind of three layers of biomass extrusion molding device and vertical type biomass extrusion moulding machine.
Background technology
The design of existing biomass extrusion molding machine mainly contains two kinds, and a kind of is the ring mould machine that mould stands up, and characteristics are that the moulding nib is along the circumferential direction evenly dispersed distribution; Another kind is the flat die machine that mould keeps flat, and characteristics are that moulding nib single row or multiple rows are uniformly distributed along the diameter of axle.These two kinds of forming machines are all by material is squeezed out from these forming holes, form required extruding finished product.Its shortcoming is the materials such as maize straw for bulk cargo (such as sawdust and so on), wheat straw, rice husk, northeast, when extrusion modling difficulty under wet environment is difficult for compressing and once pushes and can't reach the expectation effect.And the correspondingly design of single lead screw ex truding briquetting machine, manufacture complexity and maintenance are all very difficult, and the life-span is short, and reliability is not high.
In the Chinese patent of open (bulletin) number 102049807A, a kind of vertical double-layer biomass extrusion moulding machine is disclosed, it mainly is configured to: comprise the upper and lower two-layer pressing mechanism that is provided with flat die disks and pressing wheel mechanism, the top of the discharging opening of upper strata pressing mechanism in lower floor's flat die disks.Due to carrying out twice extrusion modling processing to biomass material, therefore, when the straw kind material larger to fibrousness carries out the extrusion modling processing, often can't reach best effect.In addition, owing on above-mentioned upper and lower two-layer flat die disks, row's nib only being installed, therefore, also can't improve the extrusion modling effect of biomass material.
Summary of the invention
For the weak point existed in the problems referred to above, the invention provides and a kind ofly can carry out the extrusion modling effect that three extrusion modlings improve material for biomass material, and can improve three layers of biomass extrusion molding device and the vertical type biomass extrusion moulding machine of material extrusion modling efficiency.
For achieving the above object, the invention provides a kind of three layers of extrusion forming device, comprise upper strata extrusion forming device and lower floor's extrusion forming device, described extrusion forming device by pressing wheel mechanism and be arranged on its bottom flat die disks form, also comprise the middle level extrusion forming device be arranged between upper strata extrusion forming device and lower floor's extrusion forming device, described upper strata extrusion forming device is for material is tentatively rolled to pulverizing, to change the pliability of material; Described middle level extrusion forming device is for carrying out the secondary extrusion moulding to material, to improve the extrusion modling effect of material; Described lower floor extrusion forming device is pulverized and extrusion modling for material being ground for the third time rub, to remove the moisture in moist material; In the upper, middle and lower-ranking extrusion forming device, the axis of flat die disks coincides, and take its center of circle to be furnished with two row's nibs as basis point on described flat die disks, and the lower port of described nib forms discharging opening.
Three layers of above-mentioned extrusion forming device, wherein, in two adjacent flat die disks, the aperture difference of nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.
Three layers of above-mentioned extrusion forming device, wherein, be equipped with in the flat die disks in described lower floor extrusion forming device for moist material is heated, to remove the heater of its moisture.
Three layers of above-mentioned extrusion forming device, wherein, described pressing wheel mechanism comprises horizontally extending wheel pressing shaft and is connected to respectively the left and right pinch roller of the described wheel pressing shaft left and right sides by bearing, the middle part of described wheel pressing shaft is arranged on the bearing of corresponding pressing wheel mechanism.
The present invention also provides a kind of vertical type biomass extrusion moulding machine, comprises extrusion forming device, and described extrusion forming device is described three layers of extrusion forming device, the upper, middle and lower-ranking extrusion forming device, consists of successively; In the upper, middle and lower-ranking extrusion forming device, the axis of flat die disks coincides, and take its center of circle to be furnished with two row's nibs as basis point on described flat die disks, and the lower port of described nib forms discharging opening.
Above-mentioned vertical type biomass extrusion moulding machine, wherein, in two adjacent flat die disks, the aperture difference of nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.
Above-mentioned vertical type biomass extrusion moulding machine, wherein, be equipped with in the flat die disks in described lower floor extrusion forming device for moist material is heated, to remove the heater of its moisture.
Above-mentioned vertical type biomass extrusion moulding machine, wherein, described pressing wheel mechanism comprises horizontally extending wheel pressing shaft and is connected to respectively the left and right pinch roller of the described wheel pressing shaft left and right sides by bearing, the middle part of described wheel pressing shaft is arranged on the bearing of corresponding pressing wheel mechanism, on the bearing of described upper and lower lamination wheel mechanism, be respectively equipped with for realizing the described connecting interface be in transmission connection, and the structure of the described connecting interface on two pressing wheel mechanism bearings is identical.
Above-mentioned vertical type biomass extrusion moulding machine, wherein, also be provided with vertical spindle, and the end of described vertical spindle is connected with motor shaft by axle sleeve, angular wheel, shaft coupling successively; Described vertical spindle consists of upper axle and lower shaft, described Upper shaft sleeve is located on the flat die disks in the upper, middle and lower-ranking extrusion forming device, in its output difference upper, middle and lower-ranking extrusion forming device, the fixed axis of pressing wheel mechanism connects, and described upper the tip of the axis is fixedly connected on the bearing of pressing wheel mechanism in lower floor's extrusion forming device; Described lower shaft adopts upper support parts and lower support parts to be arranged on frame, and described upper support parts are taper roll bearing, the bearing combination that described lower support parts are thrust roller bearing and deep groove ball bearing.
Above-mentioned vertical type biomass extrusion moulding machine, wherein, be provided with the upper, middle and lower feed bin in the outside of described upper, middle and lower-ranking extrusion forming device, the top of described upper and lower feed bin is provided with charging aperture, the charging aperture of described blanking bin is corresponding with the discharging opening of pressing mechanism in the extrusion forming device of described upper strata, and described blanking bin is provided with the storehouse bin gate.
Compared with prior art, the present invention has the following advantages:
1, by upper, middle and lower three cover extrusion forming devices are set, realization is preliminary to material, secondary and again roll pulverizing, to change the pliability of material, improve to greatest extent the extrusion modling effect of material, and energy consumption and the wearing and tearing of lowering equipment, can make the straw kind biomass material that fibrousness is larger reach best extrusion modling effect;
2, owing in flat die disks c, having additional heater, guarantee under damp and cold working environment and/or for some special material, still can normally grind to rub and pulverize and extrusion modling, improve the adaptability to material and environment, in addition, also play the effect of material drying briquetting;
3, by the nib aperture difference of upper, middle and lower three flat die disks is set, realize that feed is poor, improve to greatest extent extrusion modling efficiency;
4, due to the pressing wheel mechanism of the upper, middle and lower-ranking that can adopt same structure, make it there is interchangeability, and its mounting means has all adopted fast packing technique, no matter normal replacing still occurs when unexpected vexed machine need to be pulled down pressing wheel mechanism realizing rapidly dismounting, has improved the continuous production rate of equipment.
5, adopt combined labyrinth and carbon gland on hermetically-sealed construction, can improve the reliability of equipment and the service life of extension device.
The accompanying drawing explanation
Fig. 1 is three layers of extrusion forming device structure chart of the present invention;
The top view that Fig. 2 is flat die disks a or flat die disks b in Fig. 1;
The cutaway view that Fig. 3 is flat die disks c in Fig. 1;
The structure chart that Fig. 4 is pressing wheel mechanism in Fig. 1;
Fig. 5 is vertical type biomass extrusion moulding machine structure chart of the present invention.
The main element symbol description is as follows:
Extrusion forming device 2-middle level, 1-upper strata extrusion forming device
The extrusion forming device 4-of 3-lower floor flat die disks a 5-pressing wheel mechanism a
6-flat die disks b 7-pressing wheel mechanism b 8-flat die disks c
9-pressing wheel mechanism c 10-nib 11-heater
The right pinch roller 14-of the left pinch roller 13-of 12-wheel pressing shaft
The upper axle 16-of 15-lower shaft 17-bearing
18-upper support parts 19-lower support parts 20-angular wheel
Feed bin in 21-shaft coupling 22-feeding bin 23-
24-blanking bin 25-feed bin door
The specific embodiment
As shown in Figures 1 to 4, the invention provides a kind of three layers of extrusion forming device, by the upper strata extrusion forming device 1 be arranged in order from top to bottom, middle level extrusion forming device 2 and lower floor's extrusion forming device 3, the upper strata extrusion forming device by pressing wheel mechanism a5 and be arranged on its bottom flat die disks a4 form, the upper strata extrusion forming device is for material is tentatively rolled to pulverizing, to change the pliability of material; The middle level extrusion forming device consists of pressing wheel mechanism b7 and the flat die disks b6 that is arranged on its bottom, and the middle level extrusion forming device is for carrying out the secondary extrusion moulding to material, to improve the extrusion modling effect of material; Lower floor's extrusion forming device by pressing wheel mechanism c9 and be arranged on its bottom flat die disks c8 form, lower floor's extrusion forming device is pulverized and extrusion modling for material being ground rub, to remove the moisture in moist material, flat die disks c inside is equipped with for moist material is heated, with the heater 11 of removing its moisture.The axis of flat die disks a, flat die disks b and flat die disks c coincides, and on above-mentioned any one flat die disks, take its center of circle to be furnished with two row's nibs 10 as basis point, and the lower port of nib forms the discharging opening of this layer of extrusion forming device.In addition, in two adjacent flat die disks, the aperture difference of its nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.Be specially, in flat die disks a, the minimum-value aperture of nib is greater than the minimum-value aperture of nib in flat die disks b.
Wherein, in flat die disks a and flat die disks b, the cross section of nib is circular, and in nib, from top to bottom the length of its internal diameter is identical.In flat die disks c, the cross section of nib is taper, as up big and down small bellmouth.Adopt this kind of project organization can improve the effect to the bulk material extrusion modling.
Any one above-mentioned pressing wheel mechanism can comprise horizontally extending wheel pressing shaft 14 and be connected to respectively left pinch roller 12, the right pinch roller 13 at wheel pressing shaft two ends by bearing.As aperture and the keyway with main shaft axle journal cooperation place, to realize main shaft, with the key between the bearing of corresponding pressing wheel mechanism, connect.The structure of the connecting interface on the bearing of any one above-mentioned pressing wheel mechanism generally can be identical, make pressing wheel mechanism a, pressing wheel mechanism b, pressing wheel mechanism c there is interchangeability, to facilitate installation, reduce part specifications, and be conducive to pressing wheel mechanism when maintenance without the repair fast changeable, simplify maintenance process, save man-hour, reduce labour intensity.
As shown in Figure 5, the present invention also provides a kind of vertical type biomass extrusion moulding machine, mainly comprise main shaft and three layers of extrusion forming device, wherein, three layers of extrusion forming device are by the upper strata extrusion forming device 1 be arranged in order from top to bottom, middle level extrusion forming device 2 and lower floor's extrusion forming device 3, the upper strata extrusion forming device consists of pressing wheel mechanism a5 and the flat die disks a4 that is arranged on its bottom, and the upper strata extrusion forming device is for tentatively rolling pulverizing to material, to change the pliability of material; The middle level extrusion forming device consists of pressing wheel mechanism b7 and the flat die disks b6 that is arranged on its bottom, and the middle level extrusion forming device is for carrying out the secondary extrusion moulding to material, to improve the extrusion modling effect of material; Lower floor's extrusion forming device by pressing wheel mechanism c9 and be arranged on its bottom flat die disks c8 form, lower floor's extrusion forming device is pulverized and extrusion modling for material being ground rub, to remove the moisture in moist material, flat die disks c inside is equipped with for moist material is heated, with the heater 11 of removing its moisture.The axis of flat die disks a, flat die disks b and flat die disks c coincides, and on above-mentioned any one flat die disks, take its center of circle to be furnished with two row's nibs 10 as basis point, and the lower port of nib forms the discharging opening of this layer of extrusion forming device.In addition, in two adjacent flat die disks, the aperture difference of its nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.Be specially, in flat die disks a, the minimum-value aperture of nib is greater than the minimum-value aperture of nib in flat die disks b.
Wherein, in flat die disks a and flat die disks b, the cross section of nib is circular, and in nib, from top to bottom the length of its internal diameter is identical.In flat die disks c, the cross section of nib is taper, as up big and down small bellmouth.Adopt this kind of project organization can improve the effect to the bulk material extrusion modling.
Any one above-mentioned pressing wheel mechanism can comprise horizontally extending wheel pressing shaft 14 and be connected to respectively left pinch roller 12, the right pinch roller 13 at wheel pressing shaft two ends by bearing.As aperture and the keyway with main shaft axle journal cooperation place, to realize main shaft, with the key between the bearing of corresponding pressing wheel mechanism, connect.The structure of the connecting interface on the bearing of any one above-mentioned pressing wheel mechanism generally can be identical, make pressing wheel mechanism a, pressing wheel mechanism b, pressing wheel mechanism c there is interchangeability, to facilitate installation, reduce part specifications, and be conducive to pressing wheel mechanism when maintenance without the repair fast changeable, simplify maintenance process, save man-hour, reduce labour intensity.
The end of vertical spindle is connected with motor shaft by axle sleeve 20, angular wheel 21, shaft coupling 22 successively; Vertical spindle consists of with lower shaft 16 upper axle 15, upper axle 15 is set on flat die disks a4, flat die disks b6, flat die disks c8, its output is connected with the fixed axis of pressing wheel mechanism a5, pressing wheel mechanism b7, pressing wheel mechanism c9 respectively, and the end of upper axle 15 is fixedly connected on the bearing 17 of pressing wheel mechanism c.
Lower shaft 16 adopts upper support parts 18 and lower support parts 19 to be arranged on frame, and upper support parts 18 are taper roll bearing, the bearing combination that lower support parts 19 are thrust roller bearing and deep groove ball bearing.Above-mentioned bearing support pattern, can meet driving shaft and meet axially and the radial load load bearing requirements simultaneously, makes the main shaft reliable operation and stablize.
Taper roll bearing adopts the combination sealing mode of outside framework oil seal, and the bearing combination of thrust roller bearing and deep groove ball bearing adopts the skeleton oil seal mode.Can prevent that by above-mentioned two kinds of sealing means dust and impurity from entering in the mechanical connection position of forming machine, avoid dust and impurity to destroy transmission accuracy, cause mechanical disorder, reduce equipment life, shorten maintenance cycle, increase maintenance cost.
Pressing wheel mechanism a, b and c can be fastened on upper axle by rapid dismounting apparatus, when normally maintenance or forming machine meet accident vexed machine, can pull down rapidly maintenance or change pressing wheel mechanism, therefore can reduce downtime, the continuous production rate of raising equipment.
Rapid dismounting apparatus can adopt following structure: comprise two semiorbicular limiting plates, an end cap and (or a plurality of) screw.
Two limiting plates all are the semicircular that central angle is not more than 180 °, be inserted into respectively on the outer groove at axle top, its outer rim from the axle sidewall to outer process, end cap is by the top of screw fastening axle on corresponding, the inner surface gear of its side is in the outer rim of limiting plate, and bearing is provided with the connecting portion of connecting interface below limiting plate.
When fastening pressing wheel mechanism, first limiting plate is plugged on outer groove, the outer rim of limiting plate from axle highlight, below connecting portion on the bearing of corresponding pressing wheel mechanism is arranged on, avoid pressing wheel mechanism to move axially, and then by end cap from the top of axle be sleeved on upper axle, the inner surface of end casing sidewall gear is at the outer rim place of limiting plate, avoid limiting plate to come off from cannelure, to realize the fixing of limiting plate; Then, with screw, end cap is fastened on upper axle, normally at the end cap top, is provided with a through hole, screw is screwed on the axle head of main shaft through this through hole.When the dismounting pressing wheel mechanism, first back out screw, then take off end cap, then take off two semiorbicular limiting plates.Because the external diameter of limiting plate is greater than the external diameter of the main shaft of described outer groove both sides, above-mentioned rapid dismounting apparatus can limit the axial relative displacement of main shaft and pressing wheel mechanism effectively.For routine need be only plastic material through extruding once, also can use this forming machine, pull down the upper, middle and lower-ranking extrusion forming device by speed and convenience, reduce electric quantity consumption.
Be provided with feeding bin 23, middle feed bin 24, blanking bin 25 in the outside of upper, middle and lower-ranking extrusion forming device, wherein, feeding bin is used as the space of tentatively rolling with comminuting matter, and blanking bin is as the space of further extrusion modling material.Top at upper and lower feed bin is provided with charging aperture, and the charging aperture of blanking bin is corresponding with the discharging opening of upper strata pressing mechanism, and the discharging opening of upper strata pressing mechanism is communicated with blanking bin.For the ease of observing material situation and cleaning material, the bulkhead of blanking bin is provided with feed bin door 26.
Only as described above, be only preferred embodiment of the present invention, professional who are familiar with this art such as. after understanding technological means of the present invention, natural energy, according to actual needs, is changed under instruction of the present invention.Therefore all equal variation and modifications of doing according to the present patent application the scope of the claims, once should still remain within the scope of the patent.
Claims (10)
1. three layers of extrusion forming device, comprise upper strata extrusion forming device and lower floor's extrusion forming device, described extrusion forming device by pressing wheel mechanism and be arranged on its bottom flat die disks form, it is characterized in that, also comprise the middle level extrusion forming device be arranged between upper strata extrusion forming device and lower floor's extrusion forming device, described upper strata extrusion forming device is for material is tentatively rolled to pulverizing, to change the pliability of material; Described middle level extrusion forming device is for carrying out the secondary extrusion moulding to material, to improve the extrusion modling effect of material; Described lower floor extrusion forming device is pulverized and extrusion modling for material being ground for the third time rub, to remove the moisture in moist material;
In the upper, middle and lower-ranking extrusion forming device, the axis of flat die disks coincides, and take its center of circle to be furnished with two row's nibs as basis point on described flat die disks, and the lower port of described nib forms discharging opening.
2. three layers of extrusion forming device according to claim 1, is characterized in that, in two adjacent flat die disks, the aperture difference of nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.
3. three layers of extrusion forming device according to claim 2, is characterized in that, in the flat die disks in described lower floor extrusion forming device, is equipped with for moist material is heated, to remove the heater of its moisture.
4. three layers of extrusion forming device according to claim 3, it is characterized in that, described pressing wheel mechanism comprises horizontally extending wheel pressing shaft and is connected to respectively the left and right pinch roller of the described wheel pressing shaft left and right sides by bearing, and the middle part of described wheel pressing shaft is arranged on the bearing of corresponding pressing wheel mechanism.
5. the vertical type biomass extrusion moulding machine that three layers of extrusion forming device described in claim 1 are installed, comprise extrusion forming device, it is characterized in that, described extrusion forming device is three layers of extrusion forming device described in claim 1, the upper, middle and lower-ranking extrusion forming device, consists of successively; In the upper, middle and lower-ranking extrusion forming device, the axis of flat die disks coincides, and take its center of circle to be furnished with two row's nibs as basis point on described flat die disks, and the lower port of described nib forms discharging opening.
6. vertical type biomass extrusion moulding machine according to claim 5, is characterized in that, in two adjacent flat die disks, the aperture difference of nib, poor to realize nib aperture difference and feed, to improve extrusion modling efficiency.
7. vertical type biomass extrusion moulding machine according to claim 6, is characterized in that, in the flat die disks in described lower floor extrusion forming device, is equipped with for moist material is heated, to remove the heater of its moisture.
8. vertical type biomass extrusion moulding machine according to claim 7, it is characterized in that, described pressing wheel mechanism comprises horizontally extending wheel pressing shaft and is connected to respectively the left and right pinch roller of the described wheel pressing shaft left and right sides by bearing, the middle part of described wheel pressing shaft is arranged on the bearing of corresponding pressing wheel mechanism, on the bearing of described upper and lower lamination wheel mechanism, be respectively equipped with for realizing the described connecting interface be in transmission connection, and the structure of the described connecting interface on two pressing wheel mechanism bearings is identical.
9. according to arbitrary described vertical type biomass extrusion moulding machine in claim 5 to 8, it is characterized in that, also be provided with vertical spindle, the end of described vertical spindle is connected with motor shaft by axle sleeve, angular wheel, shaft coupling successively;
Described vertical spindle consists of upper axle and lower shaft, described Upper shaft sleeve is located on the flat die disks in the upper, middle and lower-ranking extrusion forming device, in its output difference upper, middle and lower-ranking extrusion forming device, the fixed axis of pressing wheel mechanism connects, and described upper the tip of the axis is fixedly connected on the bearing of pressing wheel mechanism in lower floor's extrusion forming device;
Described lower shaft adopts upper support parts and lower support parts to be arranged on frame, and described upper support parts are taper roll bearing, the bearing combination that described lower support parts are thrust roller bearing and deep groove ball bearing.
10. vertical type biomass extrusion moulding machine according to claim 9, it is characterized in that, be provided with the upper, middle and lower feed bin in the outside of described upper, middle and lower-ranking extrusion forming device, the top of described upper and lower feed bin is provided with charging aperture, the charging aperture of described blanking bin is corresponding with the discharging opening of pressing mechanism in the extrusion forming device of described upper strata, and described blanking bin is provided with the storehouse bin gate.
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| CN201310320787.5A CN103434178B (en) | 2013-07-26 | 2013-07-26 | Three layers of biomass extrusion molding device and vertical type biomass extrusion moulding machine |
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| CN201310320787.5A CN103434178B (en) | 2013-07-26 | 2013-07-26 | Three layers of biomass extrusion molding device and vertical type biomass extrusion moulding machine |
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| CN103434178B CN103434178B (en) | 2015-09-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108552524A (en) * | 2018-06-26 | 2018-09-21 | 临泉县森茂农业有限责任公司 | A kind of more specification machine for forming vermicelli |
| CN114410361A (en) * | 2022-02-11 | 2022-04-29 | 福建竹家女工贸有限公司 | Bamboo charcoal rod hardness modification process |
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| CN203410066U (en) * | 2013-07-26 | 2014-01-29 | 北京奥科瑞丰新能源股份有限公司 | Three-layer biomass extrusion forming device and vertical biomass extrusion forming machine |
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| DK559184A (en) * | 1983-11-25 | 1985-05-26 | Howaldtswerke Deutsche Werft | Two-stage pelletizer |
| DE3344044A1 (en) * | 1983-12-06 | 1985-06-20 | Amandus Kahl Nachf. (GmbH & Co), 2057 Reinbek | Method and device for compressing powdered or similar substances |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108552524A (en) * | 2018-06-26 | 2018-09-21 | 临泉县森茂农业有限责任公司 | A kind of more specification machine for forming vermicelli |
| CN114410361A (en) * | 2022-02-11 | 2022-04-29 | 福建竹家女工贸有限公司 | Bamboo charcoal rod hardness modification process |
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| Publication number | Publication date |
|---|---|
| CN103434178B (en) | 2015-09-30 |
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