CN109847650A - A kind of granulator and its working method - Google Patents
A kind of granulator and its working method Download PDFInfo
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- CN109847650A CN109847650A CN201910047692.8A CN201910047692A CN109847650A CN 109847650 A CN109847650 A CN 109847650A CN 201910047692 A CN201910047692 A CN 201910047692A CN 109847650 A CN109847650 A CN 109847650A
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- machine barrel
- screw rod
- ring moulds
- pressure roller
- roller group
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000001125 extrusion Methods 0.000 claims abstract description 29
- 238000005469 granulation Methods 0.000 claims description 30
- 230000003179 granulation Effects 0.000 claims description 30
- 230000004323 axial length Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010410 dusting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 241000607142 Salmonella Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/08—Making granules by agglomerating smaller particles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Glanulating (AREA)
Abstract
The invention discloses a kind of granulator and its working methods, including operation door, material guide channel, discharge port, rack, screw rod, machine barrel, ring moulds, pressure roller group, first motor, the second drive system, cutter；Machine barrel rear end is equipped with flange, and machine barrel is connected on turntable by flange, and turntable is connect with the second drive system；Screw rod one end is mounted on operation door, and the other end is located in machine barrel；Extrusion cavities are provided on the side wall of machine barrel rear end, the internal diameter of extrusion cavities radially gradually becomes smaller from inside to outside；The outside of machine barrel is arranged in pressure roller group, and pressure roller group is arranged in the inside of ring moulds and is circumferentially uniformly distributed along the axle center of ring moulds；Pressure roller group is fixed on turntable in a ring；The axial line of ring moulds is overlapped with the axial line of screw rod and machine barrel；Ring moulds are controlled by the second drive system.Compared with prior art, the invention has the benefit that reducing feed rate containing powder, improving feed quality, stifled machine phenomenon is avoided, productivity is improved.
Description
Technical field
The invention belongs to feed processing technology, it is related to a kind of granulator and its working method.
Background technique
Feed is the material base for developing modern farming enterprise's and culture fishery, is the important composition of modern agriculture industry system
Part, have in national economy particularly important status (status of Ding Qiang, Wang Zhengnan the feed industry in national economy with
Influence the research of [J] feed, 2010 (2): 13~14).China's feedstuff industry starting evening, but demand is big, development is fast, and 2016 are complete
State's feed total output is about 2.1 hundred million tons, it has also become the most important Feed Manufacturing state in the whole world (whole nation All-China Livestock General Station .2016
Feed industry counts overview [J] China feed, 2017 (13): 1~2).
Granulation refers to by mechanically or chemically, by powdery or liquid charging stock polymerization forming.During feed processing, powder
Shape feedstuff or mash feed are quenched by hydro-thermal, via the mechanical parts squeezing action such as mold roller, so that feed is forced through
Die hole and molding bonded.Feed by granulation processing has the advantage that 1. avoidable animal is particular about food；2. return on feed
It is high；3. storage transport is more economical；4. good fluidity, convenient for management；5. can avoid heterogeneity layering, environmental pollution is reduced；
6. killing the salmonella etc. in animal feed.Granulation is important process during modern feed processing, is the main of feed
Forming technique.
Current granulator has the disadvantage in that material to be pelletized directly by loose condition (of surface) is squeezed into compacted state by 1.,
There are biggish internal stress for particle after granulation, there is the problems such as rate containing powder is high, energy consumption is high, pellet durability degree is low；2. due to
The reasons such as loose material pan feeding and cloth to be pelletized is uneven, is deposited near die hole, cause at phenomena such as being easy to produce stifled machine
The waste of raw material reduces production efficiency；3. granulator mostly uses the structure of a ring moulds and two pressure rollers on the market, ring moulds with
The abrasion of pressure roller is very big, therefore there is the problems such as energy consumption, service life is short.
Summary of the invention
It is an object of the present invention to overcome problems of the prior art, provide a kind of stifled machine is few, work efficiency is high,
Manufactured feed rate containing powder is low and quality is good, reliable performance granulator.
The present invention also provides the working methods of above-mentioned granulator.
Technical scheme is as follows:
A kind of granulator, including operation door, material guide channel, discharge port, rack, screw rod, machine barrel, ring moulds, pressure roller group, first
Motor, the second drive system, cutter；
Material guide channel one end connects feed inlet, and the other end is extend into machine barrel；
Machine barrel rear end is equipped with flange, and machine barrel is connected on turntable by flange, and turntable is connect with the second drive system；
Screw rod one end is mounted on operation door, and the other end is located in machine barrel；
The axial line of screw rod and machine barrel be it is horizontally disposed, the axial line of screw rod is overlapped with the axial line of machine barrel；
Extrusion cavities are provided on the side wall of machine barrel rear end, the internal diameter of extrusion cavities radially gradually becomes smaller from inside to outside；
Pressure roller group is arranged in the outside of machine barrel, and the inside of ring moulds and circumferentially uniform along the axle center of ring moulds is arranged in pressure roller group
Distribution；Pressure roller group is fixed on turntable in a ring；
The axial line of ring moulds is overlapped with the axial line of screw rod and machine barrel；Ring moulds are controlled by the second drive system；
Ring moulds include die hole, and the internal diameter of die hole radially gradually becomes smaller from inside to outside；
The outside of outer wall of the ring die is arranged in cutter, and tangent with outer wall of the ring die；
First motor is fixed in first support, and first motor is connect by first shaft coupling with screw rod；
Second drive system includes the second motor, driving wheel, driving belt, driven wheel, second support, main shaft；Second electricity
Machine is fixed on the top of rack, and driving wheel, which connect and is controlled by it with the second motor, to be turned to stop；Driving belt one end and driving wheel connect
It connects, the other end is connect with driven wheel；Driving wheel by with main shaft is concentric is fixedly connected, main shaft passes through second support, second support
Lower end be fixed on the rack.
Often there is the problems such as rate containing powder is high, energy consumption is high, pellet durability degree is low in existing granulator, reason is through toning
The moisture content range of material is generally 15%-18% after matter, and material is in loose state at this time, and there are larger between material powder
Gap, compacted state of the material directly after squeezing and becoming densification from loose condition (of surface) in traditional pelletization, after granulation
There are biggish internal stress, particle inside itself can have elastic expansion and elastic hysteresis behavior for grain, will lead to particle appearance
Crackle and then the initiation above problem.For this programme by the way that described screw rod one end to be mounted on operation door, the other end is located at machine barrel
It is interior, extrusion cavities are provided on the side wall of machine barrel rear end, such material during inside machine barrel moves, is realized by screw rod
Material homogeneous and pressure maintaining are handled；As material enters the cavity of machine barrel rear end, the cavity of machine barrel rear end forms partial high pressure area
Domain, material are further squeezed out by the extruded hole of machine barrel rear end cavity, and then complete first stage granulation；First stage obtained
Intragranular portion is comparatively dense, and internal stress is smaller and substantially nonelastic swelling.In addition, the internal diameter of extrusion cavities radially by interior and
It gradually becomes smaller outside, such structure designs so that material is in machine barrel extrusion process, and stress and internal organizational structure variation are uniform.
Then, the material of first stage primary compression enters the granulation region between machine barrel and ring moulds, in squeezing for pressure roller group and ring moulds
It under pressure effect, is squeezed out by the die hole in ring moulds, completes second stage granulation.By the granulator and its working method of this programme,
Particle is reduced there are internal stress and elastic expansion stress, avoids material when directly becoming densifie state from loose condition (of surface)
Existing rate containing powder is high between grain powder, energy consumption is high, the low phenomenon of pellet durability degree, improves utilization rate of equipment and installations, has saved energy consumption, subtracts
Waste caused by having lacked pellet due to dusting.
Preferably, material guide channel is located at the outside of the operation door, and material guide channel is equipped with opening, is open and lacks for a rectangle
Mouthful, open lower end is equipped with an ear connected in star.This design, convenient for carrying out the operation such as material observation, sampling in opening；Meanwhile
When inlet amount is larger or granulator blocks up machine, discharge can be played the role of.
Preferably, the diameter of spiro rod rear end is gradually increased, and screw pitch is gradually reduced.
Preferably, the number of the pressure roller of pressure roller group is 5.
Preferably, the diameter range of extrusion cavities is φ 8-15mm, and the axial length of extrusion cavities is 2-4 times of its internal diameter.
Preferably, the diameter range of die hole is φ 1.5-8mm, and the axial length of die hole is 6-9 times of its internal diameter.
Preferably, the inside diameter ranges of machine barrel are φ 250-300mm；The inside diameter ranges of ring moulds are φ 750-900mm.
A kind of stifled machine is few, work efficiency is high, manufactured feed rate containing powder and technical problems to be solved are to provide by the present invention
Low and good, reliable performance the granulator of quality working method.
A kind of working method of granulator, includes the following steps:
1., material to be pelletized put into machine barrel by material guide channel；
2., first motor drive material to end motion after machine barrel by driving screw rod, material passes through between screw rod and machine barrel
Extruding, squeezed out by extrusion cavities, thus complete the first stage granulation；
3., complete the first stage granulation after material, the region between machine barrel and the ring moulds is entered, in the pressure roller
It under the squeezing action of group and the ring moulds, is squeezed out from the die hole, to complete second stage granulation；
4., complete second stage granulation after material, after cutter is cut off, finally along discharge port be discharged.
Such structure and working method so that the extruding force that material is subject to becomes larger, material interior tissue present by
Gradually fine and close process can slow down the internal stress of material since gradually transition, density are gradually fine and close for material stress, improve and raise
The quality of material.Material in the first stage tentatively further pelletize by granulation, second stage, two stages granulation design, so that pelletizing
It is transitional good in journey material state change procedure, be conducive to improve the quality of feed, reduce granular powder rate.
Screw rod plays the role of conveying and extruding simultaneously, on the one hand can improve material to be pelletized in traditional granulator
The physical behavio(u)r largely accumulated at random avoids loose material to be pelletized so that material to be pelletized moves in an orderly manner in machine barrel
Bulk deposition is between ring moulds and pressure roller, phenomena such as resulting in blockage；On the other hand pass through screw rod itself, screw rod and machine barrel, machine barrel
The extrusion cavities of side wall squeeze material to be pelletized tentatively, volume primary compression, improve the work of next stage ring moulds pressure roller extruding
Industry efficiency.
Pressure roller group can play the role of extruding and granulation in second stage pelletization；Meanwhile in the one one stage
In pelletization, since with pressure roller group relative motion can occur for the material that extrusion cavities are squeezed out, pressure roller group can also play cutting object
The effect of material.
Further, since form a high-pressure area in screw rod and machine barrel, rotate in the second stage ring moulds of granulation so that
The centrifugal movement of material forms negative pressure region between ring moulds and machine barrel, ultimately forms the pressure difference of high pressure and negative pressure；This is advantageous
It is squeezed out in material from the extrusion of machine barrel, can be avoided extrusion and block.
Preferably, step 2. in screw rod rotation direction it is opposite with the rotation direction of machine barrel.Such design and work side
Method, so that screw rod and machine barrel facilitate the primary compression of material to be pelletized machine barrel Nei in the state relatively rotated.
Preferably, step 2. in the revolving speed of screw rod be 280-300r/min, the revolving speed of machine barrel is 40-60r/min.Preferably
Revolving speed can make the load of first stage and the required inventory handled of second stage match, so that entire granulator reaches
Preferable working efficiency.
Compared with prior art, the invention has the benefit that
(1) present invention is pelletized using two stages, is provided with extrusion cavities on the side wall of machine barrel rear end, screw rod and machine barrel can be real
Now the homogeneous of material and pressure maintaining are handled；Material enters the cavity of machine barrel rear end, forms localized high pressure areas, object in machine barrel rear end
Material is squeezed out by the extruded hole of machine barrel rear end cavity, completes first stage granulation；It is comparatively dense inside particle made from first stage,
Internal stress is smaller and substantially nonelastic swelling.Then, the material after first stage granulation enters between machine barrel and ring moulds
Second stage pelletize region, under the squeezing action of pressure roller group and ring moulds, by ring moulds die hole squeeze out, complete second stage
Granulation.By the granulator and its working method of this programme, particle is reduced there are internal stress and elastic expansion stress, is avoided
Rate containing powder existing for granular powder intergranular is high when material directly becomes densifie state from loose condition (of surface), energy consumption is high, pellet durability degree
Low phenomenon, improves feed quality, waste caused by reducing pellet due to dusting.
(2) screw rod plays the role of conveying and extruding simultaneously in the present invention, on the one hand can improve traditional granulator
In the physical behavio(u)r of the random bulk deposition of material to be pelletized avoided loose so that material to be pelletized moves in an orderly manner in machine barrel
Material bulk deposition to be pelletized between ring moulds and pressure roller, phenomena such as resulting in blockage；On the other hand pass through screw rod itself, screw rod
With the extrusion cavities of machine barrel, machine barrel side wall, squeezes material to be pelletized tentatively, volume primary compression, improve next stage ring moulds
The operating efficiency of pressure roller granulation.
(3) form a high-pressure area in screw rod and machine barrel of the present invention, granulation second stage in ring moulds and machine barrel
Between form negative pressure region, by the pressure difference of high pressure and negative pressure, be conducive to material and squeezed out from the extrusion of machine barrel, be can be avoided
Extrusion blockage phenomenon.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is the structural schematic diagram of granulation sections of the present invention.
Fig. 3 is the structural schematic diagram of machine barrel in the present invention.
Fig. 4 is the structural schematic diagram of screw rod in the present invention.
In figure, 1- operates door, 2- material guide channel, 21- opening, 22- groove, 3- discharge port, 4- rack, 5- screw rod, 6- machine
Cylinder, 61- extrusion cavities, 62- flange, 7- ring moulds, 71- die hole, 8- pressure roller group, 9- first motor, 91- first support, 92- first
Axis device, the second drive system of 10-, the second motor of 101-, 102- driving wheel, 103- driving belt, 104- driven wheel, 105- second
Bracket, 106- main shaft, 11- cutter, 12- turntable.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.Following embodiment is only to the present invention will be described in detail
It is not intended to limit the present invention.
Embodiment 1
Picture 1-4, a kind of granulator, including operation door 1, material guide channel 2, discharge port 3, rack 4, screw rod 5, machine barrel 6, ring
Mould 7, pressure roller group 8, first motor 9, the second drive system 10, cutter 11；
Described 2 one end of material guide channel connects feed inlet, and the other end is extend into the machine barrel 6；
6 rear end of machine barrel is equipped with flange 62, and the machine barrel 6 is connected on a turntable 12 by the flange 62, and described turn
Disk 12 is connect with the second drive system 10；
Described 5 one end of screw rod is mounted on operation door 1, and the other end is located in machine barrel 6；
The axial line of the screw rod 5 and the machine barrel 6 is horizontally disposed, the axial line of the screw rod 5 and the machine barrel 6
Axial line is overlapped；
It is provided with extrusion cavities 61 on the side wall of 6 rear end of machine barrel, the internal diameter of the extrusion cavities 61 is radially from inside to outside
It gradually becomes smaller；
The pressure roller group 8 is arranged in the outside of the machine barrel 6, the pressure roller group 8 be arranged in the inside of the ring moulds 7 and
It is circumferentially uniformly distributed along the axle center of ring moulds 7；8 annular of pressure roller group is fixed on the turntable 12；
The axial line of the ring moulds 7 is overlapped with the axial line of the screw rod 5 and the machine barrel 6；The ring moulds 7 are by described
The control of two drive systems 10；
The ring moulds 7 include die hole 71, and the internal diameter of the die hole 71 radially gradually becomes smaller from inside to outside；
The outside of 7 outer wall of ring moulds is arranged in the cutter 11, and tangent with 7 outer wall of ring moulds；
The first motor 9 is fixed in first support 91, and the first motor 9 passes through first shaft coupling 92 and the spiral shell
Bar 5 connects；
Second drive system 10 includes the second motor 101, driving wheel 102, driving belt 103, driven wheel 104, the
Two brackets 105, main shaft 106；Second motor 101 is fixed on the top of rack 4, the driving wheel 102 and second electricity
Machine 101, which is connected and is controlled by it, to be turned to stop；Described 103 one end of driving belt is connect with the driving wheel 102, the other end and it is described from
Driving wheel 104 connects；The driving wheel 104 by with main shaft 106 is concentric is fixedly connected, the main shaft 106 passes through described second
Frame 105, the lower end of the second support 105 are fixed in the rack 4.
In a preferred embodiment of the invention, the material guide channel 2 is located at the outside of the operation door 1, described to lead
Expect that channel 2 is equipped with opening 21, the opening 21 is a rectangular notch, and 21 lower ends of the opening are equipped with an ear connected in star 22.
In a preferred embodiment of the invention, as shown in figure 4, the diameter of 5 rear end of the screw rod is gradually increased, and spiral shell
Away from being gradually reduced.
In a preferred embodiment of the invention, the number of the pressure roller 81 of the pressure roller group 8 is 5.
In a preferred embodiment of the invention, the diameter range of the extrusion cavities 61 is 8-15mm, the extrusion cavities
61 axial length is 2-4 times of its internal diameter.
In a preferred embodiment of the invention, the diameter range of the die hole 71 is 1.5-8mm, the die hole 71
Axial length is 6-9 times of its internal diameter.
In a preferred embodiment of the invention, the inside diameter ranges of the machine barrel 6 are φ 250-300mm；The ring moulds
Inside diameter ranges be φ 750-900mm.
Embodiment 2
See Fig. 1-4, a kind of working method for the granulator realized on the basis of embodiment 1 includes the following steps:
1., material to be pelletized put into the machine barrel 6 by the material guide channel 2；
2., the first motor 9 by driving the screw rod 5 to drive material to end motion after the machine barrel 6, material passes through
Extruding between the screw rod 5 and the machine barrel 6, is squeezed out by extrusion cavities 61, to complete first stage granulation；
3., complete the first stage granulation after material, the region between the machine barrel 6 and the ring moulds 7 is entered, in institute
It under the squeezing action for stating pressure roller group 8 and the ring moulds 7, is squeezed out from the die hole 71, to complete second stage granulation；
4., complete second stage granulation after material, after cutter is cut off, finally along the discharge port 3 be discharged.
In a preferred embodiment of the invention, the step 2. described in screw rod 5 rotation direction and the machine barrel 6
Rotation direction it is opposite.
In a preferred embodiment of the invention, the step 2. described in screw rod 5 revolving speed be 280-300r/min,
The revolving speed of the machine barrel 6 is 40-60r/min.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto.
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of granulator, which is characterized in that including operating door (1), material guide channel (2), discharge port (3), rack (4), screw rod
(5), machine barrel (6), ring moulds (7), pressure roller group (8), first motor (9), the second drive system (10), cutter (11)；
Described material guide channel (2) one end connects feed inlet, and the other end is extend into the machine barrel (6)；
Machine barrel (6) rear end is equipped with flange (62), and the machine barrel (6) is connected on turntable (12) by the flange (62),
The turntable (12) connect with the second drive system (10)；
Described screw rod (5) one end is mounted in operation door (1), and the other end is located in machine barrel (6)；
The axial line of the screw rod (5) and the machine barrel (6) is horizontally disposed, the axial line and the machine barrel of the screw rod (5)
(6) axial line is overlapped；
Be provided with extrusion cavities (61) on the side wall of machine barrel (6) rear end, the internal diameter of the extrusion cavities (61) radially by interior and
It gradually becomes smaller outside；
In the outside of the machine barrel (6), the pressure roller group (8) is arranged in the interior of the ring moulds (7) for pressure roller group (8) setting
It portion and is circumferentially uniformly distributed along the axle center of the ring moulds (7)；The pressure roller group (8) is fixed in a ring on the turntable (12)；
The axial line of the ring moulds (7) is overlapped with the axial line of the screw rod (5) and the machine barrel (6)；The ring moulds (7) are by institute
State the second drive system (10) control；
The ring moulds (7) include die hole (71), and the internal diameter of the die hole (71) radially gradually becomes smaller from inside to outside；
The cutter (11) is arranged in the outside of the ring moulds (7) outer wall, and tangent with the ring moulds (7) outer wall；
The first motor (9) is fixed on first support (91), and the first motor (9) passes through first shaft coupling (92) and institute
State screw rod (5) connection；
Second drive system (10) includes the second motor (101), driving wheel (102), driving belt (103), driven wheel
(104), second support (105), main shaft (106)；Second motor (101) is fixed on the top of rack (4), the driving wheel
(102) it connect and is controlled by it with second motor (101) and turn to stop；Described driving belt (103) one end and the driving wheel
(102) it connects, the other end is connect with the driven wheel (104)；The driving wheel (104) by with main shaft (106) concentric fixation
Connection, the main shaft (106) pass through the second support (105), and the lower end of the second support (105) is fixed on the rack
(4) on.
2. a kind of granulator according to claim 1, which is characterized in that the material guide channel (2) is located at the operation door
(1) outside, the material guide channel (2) are equipped with opening (21), and the opening (21) is a rectangular notch, the opening (21)
Lower end is equipped with an ear connected in star (22).
3. a kind of granulator according to claim 1, which is characterized in that the diameter of screw rod (5) rear end is gradually increased,
And screw pitch is gradually reduced.
4. a kind of granulator according to claim 1, which is characterized in that the number of the pressure roller (81) of the pressure roller group (8)
It is 5.
5. a kind of granulator according to claim 1, which is characterized in that the diameter range of the extrusion cavities (61) is φ 8-
15mm, the axial length of the extrusion cavities (61) are 2-4 times of its internal diameter.
6. a kind of granulator according to claim 1, which is characterized in that the diameter range of the die hole (71) is φ 1.5-
8mm, the axial length of the die hole (71) are 6-9 times of its internal diameter.
7. a kind of granulator according to claim 1, which is characterized in that the inside diameter ranges of the machine barrel (6) are φ 250-
300mm；The inside diameter ranges of the ring moulds are φ 750-900mm.
8. the working method of granulator described in -7 any one according to claim 1, which is characterized in that this method includes as follows
Step:
1., material to be pelletized put into the machine barrel (6) by the material guide channel (2)；
2., the first motor (9) by driving the screw rod (5) to drive material to the machine barrel (6) end motion afterwards, material is logical
The extruding between the screw rod (5) and the machine barrel (6) is crossed, is squeezed out by extrusion cavities (61), to complete first stage granulation；
3., complete the first stage granulation after material, the region between the machine barrel (6) and the ring moulds (7) is entered, in institute
It under the squeezing action for stating pressure roller group (8) and the ring moulds (7), is squeezed out from the die hole (71), to complete second stage granulation；
4., complete second stage granulation after material, after cutter is cut off, finally along the discharge port (3) be discharged.
9. a kind of working method of granulator according to claim 8, which is characterized in that the step 2. described in screw rod
(5) rotation direction is opposite with the rotation direction of the machine barrel (6).
10. a kind of working method of granulator according to claim 8, which is characterized in that the step 2. described in screw rod
(5) revolving speed is 280-300r/min, and the revolving speed of the machine barrel (6) is 40-60r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047692.8A CN109847650B (en) | 2019-01-18 | 2019-01-18 | Granulator and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047692.8A CN109847650B (en) | 2019-01-18 | 2019-01-18 | Granulator and working method thereof |
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| CN109847650A true CN109847650A (en) | 2019-06-07 |
| CN109847650B CN109847650B (en) | 2023-06-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380137A (en) * | 2018-03-07 | 2018-08-10 | 霍尔果斯汉智医药科技有限公司 | A kind of multi-functional pellet granulator |
| CN110150700A (en) * | 2019-06-17 | 2019-08-23 | 河海大学常州校区 | A kind of small-sized feeding stuff cuber |
| CN110394121A (en) * | 2019-08-09 | 2019-11-01 | 江苏思贝德机械有限公司 | Efficient ring die pelleter |
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| CN115025714A (en) * | 2022-06-14 | 2022-09-09 | 石城县林丰能源科技有限公司 | Reciprocating type biomass particle forming equipment with anti-blocking mechanism |
| CN115025714B (en) * | 2022-06-14 | 2023-10-27 | 石城县林丰能源科技有限公司 | Reciprocating type living beings granule former with prevent blockking up mechanism |
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