CN102049807B - Vertical double-layer biomass extrusion moulding machine - Google Patents
Vertical double-layer biomass extrusion moulding machine Download PDFInfo
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Abstract
The invention relates to a vertical double-layer biomass extrusion moulding machine, comprising an upper layer extrusion mechanism and a lower layer extrusion mechanism which are respectively equipped with a flat mould disc and a pinch roller mechanism, wherein a discharge port of the upper layer extrusion mechanism is located over the lower layer flat mould disc. Heating devices are arranged in the upper layer flat mould disc and the lower layer flat mould disc. An upper mould hole and a lower mould hole are respectively arranged on the upper layer flat mould disc and the lower layer flat mould disc, and minimum aperture of the upper mould hole is more than that of the lower mould hole. For special shattered and high-humidity materials, the vertical double-layer biomass extrusion moulding machine also can normally grind, crush, press and mould the materials under damp and cold working conditions, so that extrusion moulding effect of materials can be improved maximally, the machine can be conveniently and quickly detached and assembled when the machine is accidentally jammed, and continuous production rate of the machine is improved. Additionally, associated narrow V-shaped belt transmission and combined sealing are both adopted, so that the service life and reliability of the machine are effectively improved.
Description
Technical field
The present invention relates to a kind of vertical type biomass extrusion moulding machine, particularly a kind of vertical double biomass extrusion molding machine that is suitable for the living beings compactly extruding moulding that pliability is big, fragmentary, moisture content is high.
Background technology
The design of prior biological matter single lead screw ex truding briquetting 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 evenly distribute along the diameter of axle.These two kinds of make-up machines all are through material being pushed from these moulding holes, forming 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 being in extrusion modling difficulty under the wet environment.And the correspondingly design of single lead screw ex truding briquetting machine, manufacturing complicacy and maintenance are all very difficult, and the life-span is short, and reliability is not high.
Summary of the invention
For overcoming above-mentioned defective; The invention provides a kind of vertical double biomass extrusion molding machine; Not only can make common material under the conventional environment through the effect extrusion modling such as rolling, rub; The stalk material big to pliability, that moisture content is high also can improve the extrusion modling effect of material to greatest extent, particularly under particular surroundings such as wet environment, also can obtain extrusion modling effect preferably.The maintenance of this make-up machine easily, high, the good stability of reliability and life-span be long.
The technical scheme that the present invention adopts is:
A kind of vertical double biomass extrusion molding machine, it comprises the upper and lower two-layer pressing mechanism that is provided with flat die disks and pressing wheel mechanism, the discharging opening of said upper strata pressing mechanism is in the top of lower floor's flat die disks.
The present invention can also adopt following any one, multiple or all further limit and improve:
Can be respectively equipped with the some upper and lower nib that connects this flat die disks on the said upper and lower layer flat die disks; Said minimum-value aperture of going up nib usually can be greater than the said minimum-value aperture of nib down, and said some lower port that go up nib constitute the discharging opening of said upper strata pressing mechanism.Through the cooperatively interacting of different nibs, realize material is pushed step by step thus,, improve molding effect, reduce operating cost to improve extruding efficient.
This vertical double biomass extrusion molding machine can also be provided with vertical upper and lower main shaft; Said upper and lower main shaft passes the central through hole of said upper and lower layer flat die disks respectively; Its output is in transmission connection with the bearing of said upper and lower lamination wheel mechanism respectively; To simplify transmission mechanism as much as possible, improve transmission efficiency.
The axis of said upper and lower main shaft can be respectively and the dead in line of said upper and lower layer flat die disks, with simplified structure, improves transmission efficiency, handled easily.
Said pressing wheel mechanism can comprise horizontally extending wheel pressing shaft and be connected the left and right pinch roller at said wheel pressing shaft two ends respectively through bearing; The middle part of said wheel pressing shaft is installed on the bearing of corresponding pressing wheel mechanism, drives left and right sides pinch roller through corresponding main shaft thus material on the mould is carried out extrusion modling.
Can be respectively equipped with on the bearing of said upper and lower lamination wheel mechanism and be used to realize the said connecting interface that is in transmission connection, and the structure of preferred said connecting interface is identical, thereby realize the exchange of pressing wheel mechanism.
The axis of said upper and lower layer flat die disks can overlap usually, and said lower end of going up main shaft can be fixedly connected on the bearing of said laminated wheel mechanism, with simplified structure.
Said lower main axis can connect drive unit through joint group narrow V belt transmission mechanism, in this way lower main axis is arranged to driving shaft, helps to make whole drive system more reasonable, and simplified structure is raised the efficiency.
Said lower main axis can adopt up and down, and two point-supported bearing collocation forms are installed on the frame; The said bearing that supports of going up is preferably taper roll bearing; The bearing of following support is preferably the bearing combination of thrust roller bearing and cylinder roller bearing, to realize the support to lower main axis through reasonable, effective and succinct mode.
The said bearing of going up support can adopt the combination sealing of outside framework oil seal and labyrinth seal, and the bearing of following support can adopt skeleton oil seal, to realize reliable, effective seal, prevents that material from infiltrating damage or the operation of obstruction equipment to bearing arrangement.
Said upper and lower lamination wheel mechanism can be fastened on the said upper and lower main shaft through rapid dismounting apparatus respectively; The top sidewall of said main shaft is provided with outer groove; Said rapid dismounting apparatus comprises two limiting plates, an end cap and one or more screw, and said two limiting plates all are the semicircular that central angle is not more than 180 °, is inserted into respectively on the said outer groove at said main shaft top; Its outer rim from the main shaft sidewall to outer process; Said end cap is fastened on the top of respective major axes through said screw, and the inner surface retaining of its side is in the outer rim of said limiting plate, and said bearing is provided with the connecting portion of said connecting interface below said limiting plate.Through the rapid dismounting apparatus fastening means, define the position of pressing wheel mechanism on the main shaft axial direction, it can not be moved up, can realize the Fast Installation and the dismounting of pressing wheel mechanism up and down thus, to improve assembling and maintenance efficiency.
Be provided with heater in the said upper and lower layer flat die disks,, improve its shaping characteristic so that corresponding material is heated.
The periphery of said upper and lower lamination wheel mechanism can be respectively equipped with upper and lower feed bin bulkhead, and said upper and lower feed bin bulkhead surrounds upper and lower feed bin with upper and lower layer flat die disks respectively, so that material is restricted in the corresponding feed bin.The top of said upper and lower feed bin is provided with charging aperture, and the charging aperture of said blanking bin is corresponding with the discharging opening of said upper strata pressing mechanism, can be provided with door on the said blanking bin bulkhead, and carries out the material cleaning through door.
The invention has the beneficial effects as follows:
1, through upper and lower two cover pressing mechanisms are set, realize material is tentatively rolled pulverizing earlier, change the pliability of material simultaneously, the extrusion modling effect of material and the energy consumption and the wearing and tearing of lowering equipment are improved in extrusion modling more to greatest extent;
2, through in upper and lower flat die disks, setting up heater, guarantee under damp and cold working environment and/or for some special materials, still can normally grind to rub and pulverize and extrusion modling, improve adaptability to material and environment;
3, through the nib aperture difference of upper and lower two-layer flat die disks is set, realize that feed is poor, improve extrusion modling efficient to greatest extent;
4, owing to can adopt the upper and lower lamination wheel mechanism of same structure; Make it have interchangeability; And its mounting means has all adopted fast packing technique, and no matter normal replacing still occurs can both realizing dismounting apace when unexpected vexed machine need be pulled down pressing wheel mechanism, has improved the lasting productivity ratio of equipment.
5, on hermetically-sealed construction, adopt combined labyrinth and carbon gland, can improve the reliability and the service life that prolongs equipment of equipment.
6, adopt the joint group narrow V belt kind of drive, allow slipping protection, and compare the transmission of single V band, antiwear property and intensity improve, the corresponding stability that improves single lead screw ex truding briquetting machine.
Description of drawings
Fig. 1 is the main machine structure sketch map of one embodiment of the present of invention;
Fig. 2 is the structure chart of the pressing wheel mechanism of Fig. 1.
The specific embodiment
Referring to Fig. 1, Fig. 2; What the present invention protected is a kind of vertical double biomass extrusion molding machine; It comprises the upper and lower two-layer pressing mechanism that is provided with flat die disks 1,4 and pressing wheel mechanism 19,16; The discharging opening of said upper strata pressing mechanism is in the top of lower floor's flat die disks, and the discharging on upper strata can directly be dropped on above lower floor's flat die disks, forms the feed of lower floor's pressing mechanism.This single lead screw ex truding briquetting machine has on the basis of the special tectonic that rolls, rubs and push having inherited existing make-up machine; Be designed to the double-decker form formed by upper and lower two-layer pressing mechanism; At first materials such as stalk are carried out preliminary rolling and pulverizing through the upper strata pressing mechanism; Change the pliability of material, through lower floor's pressing mechanism materials such as stalk are carried out extrusion modling again.The extrusion modling effect that the effect of the two-layer pressing mechanism of this type process can improve material has to greatest extent satisfied the extrusion modling requirement of the materials such as stalk big to pliability, that moisture content is high.
Be respectively equipped with the upper and lower nib 2,5 of perforation on the said upper and lower layer flat die disks, the cross section of nib can be circle, ellipse and rectangle, and nib can be the uiform section through hole, also can be the through hole of variable cross-section, like up big and down small taper hole.For improving the effect to the bulk material extrusion modling, preferably taper hole.
Be the relatively size in cross section, the actual cross-section of nib is become a desirable circular section according to the equivalence of area of section equal principle, the diameter of this circular section is defined as the aperture.In order to improve extrusion modling efficient to greatest extent; Can make the nib of upper and lower two-layer flat die disks have aperture difference; Be exactly to make said minimum-value aperture of going up nib greater than the said minimum-value aperture of nib down particularly, said some lower port that go up nib constitute the discharging opening of said upper strata pressing mechanism.
Also be provided with vertical upper and lower main shaft 3,6 on this vertical double biomass extrusion molding machine; Said upper and lower layer flat die disks all has central through hole; Said upper and lower main shaft passes the central through hole of said upper and lower layer flat die disks respectively; And output is in transmission connection with the bearing (like 21 among Fig. 2) of said upper and lower lamination wheel mechanism respectively, the axis of said upper and lower main shaft respectively with the dead in line of said upper and lower layer flat die disks.
As shown in Figure 2; Said pressing wheel mechanism can comprise horizontally extending wheel pressing shaft 20 and be connected the left and right pinch roller 22 at said wheel pressing shaft two ends respectively through bearing; The middle part of said wheel pressing shaft is installed on the bearing 21 of corresponding pressing wheel mechanism; Be respectively equipped with on the bearing of said upper and lower lamination wheel mechanism and be used to realize the said connecting interface that is in transmission connection, as with the aperture and the keyway of main shaft axle journal cooperation place, connect with the key between the bearing of corresponding pressing wheel mechanism to realize said main shaft.The structure of the said connecting interface on the bearing of said upper and lower lamination wheel mechanism generally can be identical; Make upper and lower lamination wheel mechanism have interchangeability, install, reduce part specifications with convenient; And help the pressing wheel mechanism maintenance and the time need not repair and can change fast; Simplify maintenance process, save man-hour, reduce labour intensity.
From the purpose of simplifying shaping machine structure, said upper and lower layer flat die disks taked coaxial arrangement (dead in line).Said upper and lower main shaft can drive respectively, also can take the centralized driving mode.For the ease of centralized driving, can upper and lower main shaft be fixed together, make the two static relatively.The concrete fixed connection mode of being taked can be said lower end of going up main shaft be fixedly connected on said laminated wheel mechanism bearing on.
This vertical double biomass extrusion molding machine can pass through 23 transmissions of joint group narrow V belt; Owing to be the flexible kind of drive, allow slipping protection, and compare the transmission of single V band; Antiwear property and intensity all have raising, and correspondingly the stability of single lead screw ex truding briquetting machine also is improved.
Under the above-mentioned centralized driving mode; Can be set to driving shaft by said lower main axis; Said lower main axis adopts upper and lower two point-supported bearing collocation forms to be installed on the frame; The said bearing of going up support place employing can be a taper roll bearing 12, the bearing combination that the following bearing that supports employing can be thrust roller bearing 10 and cylinder roller bearing 11.Utilize the supporting of above-mentioned bearing, can satisfy driving shaft and satisfy simultaneously axially and the radial load load bearing requirements, make the main shaft reliable operation and stablize.
It is inner that the be squeezed environment for use influence of make-up machine, dust, impurity get into the mechanical connection position of make-up machine easily, in case get into accurate transmission position such as bearing; Destroy transmission accuracy easily, cause mechanical disorder, reduce equipment life; Shorten maintenance cycle, increase maintenance cost.Therefore the sealing at main shaft bearing place improves the application for sealing particularly, and the bearing place that supports on said adopts the combination sealing of outside framework oil seal 7 and labyrinth seal 8, the bearing place employing skeleton oil seal 9 of following support.Compare the make-up machine of the single seal form of existing employing, on sealing property, be improved, thereby prolonged running life of make-up machine.
Said upper and lower lamination wheel mechanism can be fastened on the said upper and lower main shaft through rapid dismounting apparatus 15; When normal repairing or make-up machine meet accident vexed machine; Can pull down maintenance apace or change pressing wheel mechanism, therefore can reduce downtime, improve the lasting productivity ratio of equipment.Said rapid dismounting apparatus can adopt following structure: comprise two semiorbicular limiting plates, an end cap and (or a plurality of) screw.Correspondingly main shaft is provided with the outer groove that said limiting plate is partially submerged into.When fastening pressing wheel mechanism, earlier limiting plate is plugged on the said outer groove, the outer rim of limiting plate highlights from main shaft; When below, avoid pressing wheel mechanism to move axially the connecting portion on the bearing of corresponding pressing wheel mechanism (be provided with the part of said connecting interface, be tabular usually); And then the top of end cap from said main shaft be sleeved on the main shaft, the interior inner surface retaining of end casing sidewall avoids limiting plate to come off from cannelure at the outer rim place of limiting plate; To realize the fixing of limiting plate; The back is fastened on end cap on the main shaft with screw, normally is provided with a through hole at the end cap top, and said screw passes on the axle head that this through hole is screwed in main shaft.When the dismounting pressing wheel mechanism, back out screw earlier, take off end cap then, take off two semiorbicular limiting plates again.Because the external diameter of said limiting plate is greater than the external diameter of the main shaft of said outer groove both sides, above-mentioned rapid dismounting apparatus can limit the axial relative displacement of main shaft and pressing wheel mechanism effectively.Only need be plastic material, also can use this make-up machine, pull down the upper strata pressing mechanism through speed and convenience ground, the minimizing electric quantity consumption through extruding once for routine.
For also can be under particular surroundings (like wet environment) preferably to the material extrusion modling; Can in said upper and lower layer flat die disks, heater 18,14 be set; This heater can be regulated heating-up temperature automatically according to the situation of material, and material is played need of stoving.
The periphery of said upper and lower lamination wheel mechanism is respectively equipped with upper and lower feed bin bulkhead; Said upper and lower feed bin bulkhead surrounds upper and lower feed bin with upper and lower layer flat die disks respectively; 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.The top of said upper and lower feed bin is provided with charging aperture, and the charging aperture of said blanking bin is corresponding with the discharging opening of said upper strata pressing mechanism, and the discharging opening of said upper strata pressing mechanism is communicated with blanking bin.For the ease of observing material situation and cleaning material, can be provided with door 17 on the said blanking bin bulkhead, door quantity can be 1-4.
Single lead screw ex truding briquetting machine relates to the improvement of above various piece, possibly have a variety of combining structures, and hereinafter is an example with Fig. 1,2, provides a kind of specific embodiment of combination.A kind of vertical double biomass extrusion molding machine; Comprise upper and lower two-layer pressing mechanism; (1 is the upper strata flat die disks to the flat die disks that every layer of pressing mechanism is provided with by horizontal fixed; 4 are lower floor's flat die disks) and place the pressing wheel mechanism (19 are the laminated wheel mechanism, and 16 is the laminated wheel mechanism) on each flat die disks to form.Said upper and lower layer flat die disks is equipped with central through hole.Upper strata flat die disks coaxial arrangement is above lower floor's flat die disks.
Wherein, be equipped with heater (18 are the heater of upper strata flat die disks, and 14 is the heater of lower floor's flat die disks) in the upper and lower layer flat die disks.This heater can be regulated heating-up temperature automatically according to the material situation, makes in single lead screw ex truding briquetting machine to this type of material dryly in advance, has improved the adaptability of this make-up machine to flexible material of difference and different environment climate change.
Be respectively equipped with the last nib 2 and following nib 5 of a plurality of up/down perforations on the said upper and lower layer flat die disks, nib is up big and down small taper hole, and said minimum-value aperture of going up nib is greater than the said minimum-value aperture of nib down.The aperture difference of nib can realize that feed is poor, so that improve extrusion modling efficient and effect to greatest extent.
Said pressing wheel mechanism comprises wheel pressing shaft 20, bearing 21 and is connected the pinch roller 22 at said wheel pressing shaft two ends through bearing, said wheel pressing shaft horizontal-extending, and the middle part horizontal fixed of said wheel pressing shaft is installed in the said bearing.The lower end of said bearing is provided with the connecting through hole that matches with the main shaft axle journal; The corresponding position of this connecting through hole and main shaft axle journal is provided with keyway; The dependency structure of corresponding connecting through hole and keyway is all identical on the bearing of upper and lower lamination wheel mechanism, and promptly upper and lower lamination wheel mechanism has interchangeability.The upper and lower lamination wheel mechanism above-mentioned axis hole through separately respectively cooperates and key connects and realizes being in transmission connection.In addition, in order to limit the axial relative displacement of bearing and main shaft, pressing wheel mechanism is fastened on the main shaft by rapid dismounting apparatus 15.Said rapid dismounting apparatus comprises two semiorbicular limiting plates in the outer groove that can embed said upper and lower main shaft, can be enclosed within the end cap on the external diameter of said limiting plate and can said end cap be fastened on the screw on the said upper and lower main shaft, and the external diameter of said limiting plate is greater than the external diameter of the main shaft of said outer groove both sides.During installation, two semiorbicular limiting plates are embedded in the main shaft output outer grooves, end cap is enclosed within on the axle head and is enclosed within the external diameter surface of limiting plate, the back is fastened on end cap on the axle head with the center of top of screw from end cap.Employing has the pressing wheel mechanism of interchangeability and combines with rapid dismounting apparatus 15, impels pressing wheel mechanism to change easily, pulls down pressing wheel mechanism apace to fix a breakdown at the unexpected vexed Che Shineng of appearance especially, reduces downtime, improves the continuous running rate of equipment.Also has interchangeability between the press nips that the pinch roller 22 at wheel pressing shaft 20 and its two ends is formed.
Upper and lower lamination wheel mechanism is driven by vertical upward main shaft 3, lower main axis 6 respectively.Main shaft is coaxial with flat die disks, and lower main axis 6 is supported on through bearing block 24 on the pedestal of make-up machine, and the central through hole that lower main axis passes lower floor's flat die disks is fixedly connected with the undersetting of laminated wheel mechanism.The lower end of last main shaft 3 is fixedly connected on the upper end of undersetting, and the upper end of last main shaft is its output, and the central through hole that passes the upper strata flat die disks is connected with the upper bracket of laminated wheel mechanism, thereby realizes the connection of upper and lower main shaft indirectly.Said lower main axis is a driving shaft, through 23 transmissions of joint group narrow V belt.Under the drive of joint group narrow V belt, upper and lower main shaft rotates synchronously, and drives said upper and lower lamination wheel mechanism around main shaft rotation synchronously on upper and lower flat die disks respectively.
Lower main axis 6 adopts two point-supported bearing collocation forms up and down; The bearing of last support place adopts taper roll bearing 12; The bearing of following support place adopts the thrust roller bearing 10 and the bearing of cylinder roller bearing 11 to make up, and bearing 10,11,12 is installed in the bearing block 24.The said combination sealing that the bearing place that supports adopts outside framework oil seal 7 and labyrinth seal 8, the bearing place employing skeleton oil seal 9 of following support gone up.
Be installed with pivot flange 13 on the bearing block 24, lower floor's flat die disks 4 is fixedly mounted on the pivot flange 13.The periphery of laminated wheel mechanism is provided with blanking bin, last flat die disks be fixedly mounted on blanking bin above, the periphery of upper strata pressing mechanism is provided with feeding bin.The top of upper and lower feed bin is provided with charging aperture, and the discharging opening of said upper strata pressing mechanism is corresponding with the charging aperture of said blanking bin, and communicates with blanking bin.Feeding bin is as the space of tentatively rolling with comminuting matter, and blanking bin is as the further space of extrusion modling material, for the ease of observing material situation and cleaning material, on four faces of the bulkhead of said blanking bin, respectively is provided with 1 door 17.
Claims (3)
1. vertical double biomass extrusion molding machine; It is characterized in that: it comprises the upper and lower two-layer pressing mechanism that is provided with flat die disks and pressing wheel mechanism; The discharging opening of said upper strata pressing mechanism is in the top of lower floor's flat die disks, also is provided with vertical upper and lower main shaft, and said upper and lower main shaft passes the central through hole of said upper and lower layer flat die disks respectively; Its output is in transmission connection with the bearing of said upper and lower lamination wheel mechanism respectively; The axis of said upper and lower main shaft respectively with the dead in line of said upper and lower layer flat die disks, be respectively equipped with the some upper and lower nib that connects this flat die disks on the said upper and lower layer flat die disks, said minimum-value aperture of going up nib is greater than the said minimum-value aperture of nib down; Said some lower port that goes up nib constitute the discharging opening of said upper strata pressing mechanism; Said pressing wheel mechanism comprises horizontally extending wheel pressing shaft and is connected the left and right pinch roller of the said wheel pressing shaft left and right sides respectively through bearing that the middle part of said wheel pressing shaft is installed on the bearing of corresponding pressing wheel mechanism, is respectively equipped with on the bearing of said upper and lower lamination wheel mechanism to be used to realize the said connecting interface that is in transmission connection; And the structure of the said connecting interface on the two pressing wheel mechanism bearings is identical; The dead in line of said upper and lower layer flat die disks, said lower end of going up main shaft is fixedly connected on the bearing of said laminated wheel mechanism, and said lower main axis connects drive unit through joint group narrow V belt transmission mechanism; Said lower main axis adopts up and down, and two point-supported bearing collocation forms are installed on the frame; The said bearing of going up support is a taper roll bearing, the bearing combination that the said bearing that supports down is thrust roller bearing and cylinder roller bearing, and the said bearing of going up support adopts the combination sealing of outside framework oil seal and labyrinth seal; The said bearing that supports down adopts skeleton oil seal; Said upper and lower lamination wheel mechanism is fastened on the said upper and lower main shaft through rapid dismounting apparatus respectively, and the top sidewall of said main shaft is provided with outer groove, and said rapid dismounting apparatus comprises two limiting plates, an end cap and one or more screw; Said two limiting plates all are the semicircular that central angle is not more than 180 °; Be inserted into respectively on the said outer groove, to outer process, said end cap is fastened on the top of respective major axes to its outer rim through said screw from the main shaft sidewall; The inner surface retaining of its side is in the outer rim of said limiting plate, and said bearing is provided with the connecting portion of said connecting interface below said limiting plate.
2. vertical double biomass extrusion molding machine according to claim 1 is characterized in that: be provided with heater in the said upper and lower layer flat die disks.
3. vertical double biomass extrusion molding machine according to claim 2; It is characterized in that: the periphery of said upper and lower lamination wheel mechanism is respectively equipped with upper and lower feed bin bulkhead; Said upper and lower feed bin bulkhead surrounds upper and lower feed bin with upper and lower layer flat die disks respectively; The top of said upper and lower feed bin is provided with charging aperture, and the charging aperture of said blanking bin is corresponding with the discharging opening of said upper strata pressing mechanism, and said blanking bin bulkhead is provided with door.
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| CN200910244100A CN102049807B (en) | 2009-12-28 | 2009-12-28 | Vertical double-layer biomass extrusion moulding machine |
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| CN200910244100A CN102049807B (en) | 2009-12-28 | 2009-12-28 | Vertical double-layer biomass extrusion moulding machine |
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| CN103434178B (en) * | 2013-07-26 | 2015-09-30 | 北京奥科瑞丰新能源股份有限公司 | Three layers of biomass extrusion molding device and vertical type biomass extrusion moulding machine |
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|---|---|---|---|---|
| EP1574322A1 (en) * | 1996-09-27 | 2005-09-14 | Andrew P. Pohl | Frameless high pressure platen press |
| CN101474882A (en) * | 2009-01-21 | 2009-07-08 | 彭世润 | Composite type circular mould biological substance fuel forming machine |
| CN201361923Y (en) * | 2009-01-21 | 2009-12-16 | 彭世润 | Composite ring-die biomass fuel forming machine |
| CN201361922Y (en) * | 2009-01-21 | 2009-12-16 | 彭世润 | Composite flat-die biomass forming machine |
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2009
- 2009-12-28 CN CN200910244100A patent/CN102049807B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1574322A1 (en) * | 1996-09-27 | 2005-09-14 | Andrew P. Pohl | Frameless high pressure platen press |
| CN101474882A (en) * | 2009-01-21 | 2009-07-08 | 彭世润 | Composite type circular mould biological substance fuel forming machine |
| CN201361923Y (en) * | 2009-01-21 | 2009-12-16 | 彭世润 | Composite ring-die biomass fuel forming machine |
| CN201361922Y (en) * | 2009-01-21 | 2009-12-16 | 彭世润 | Composite flat-die biomass forming machine |
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