CN110394121A - Efficient ring die pelleter - Google Patents
Efficient ring die pelleter Download PDFInfo
- Publication number
- CN110394121A CN110394121A CN201910732859.4A CN201910732859A CN110394121A CN 110394121 A CN110394121 A CN 110394121A CN 201910732859 A CN201910732859 A CN 201910732859A CN 110394121 A CN110394121 A CN 110394121A
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- Prior art keywords
- ring
- shaft
- crushing block
- ring moulds
- moulds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000463 material Substances 0.000 claims abstract description 55
- 244000309464 bull Species 0.000 claims description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 210000003464 cuspid Anatomy 0.000 claims 1
- 238000005469 granulation Methods 0.000 abstract description 6
- 230000003179 granulation Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/22—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by pressing in moulds or between rollers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The present invention relates to granulator technical field more particularly to a kind of efficient ring die pelleters, compared with traditional ring die pelleter; its pressurizing unit is crushing block; instead of traditional compression roller of granulator, avoid pressure roller because material moisture it is excessive caused by pressure roller skidding stall, the granulation of high moisture material can be completed.Crushing block rotary motion, ring moulds are remain stationary, and crushing block and ring moulds form a wedge shaped squeeze area, and material is efficiently taken in crush zone, and it is excessive to avoid logistics, improve extruding efficiency, moisture content meets the market requirement up to 20%-40% in the material being capable of handling.Charging uses double helix positive feed, and material, uniform push-in Liang Ge wedge shaped squeeze area, material will not be blocked respectively.Crushing block and ring moulds inner wall form a wedge shaped squeeze area and efficiently material are squeezed out out of ring moulds hole as crushing block rotates.Unique rotary cutter device is designed using speed regulation, according to demand, can cut out different particle lengths.
Description
Technical field
The present invention relates to granulator technical field more particularly to a kind of efficient ring die pelleters.
Background technique
Ring die pelleter is a kind of a kind of machinery that mash feed can be squeezed into particulate material, in feed processing industrial application
It is relatively broad.Its cell structure of pelletizing is mainly by ring moulds, and pressure roller is formed, and ring moulds are hollow cylindrical, and ring moulds are radially drilled with several
Circular through hole, pressure roller are circle, and periphery processing is mostly rack-shaped, to increase the frictional force between pressure roller and feed.Pressure roller number
Amount is generally 2-3 only, is evenly distributed on the inside of ring moulds.Ring moulds drive active rotation by power source, and pressure roller is by between ring moulds and pressure roller
Material driven by frictional force, it is passive to rotate, and pressing materials, granular material is squeezed out from die hole, cuts off shape through cutter
At graininess.Wherein, the moisture of granular material influences material extrusion molding very big.Usual material moisture is more than 17%-18%,
Pressure roller causes pressure roller stall due to the frictional force decline between material, and stall can not pelletize.
Therefore material moisture control is extremely important to the normal work of ring die pelleter, with the development of aquaculture, Gao Shui
Divide granulation because of higher economic benefit and good culture efficiency, the market demand is increasing, and conventional ring die pelleter is because of work
It is determined as principle and cannot achieve high-moisture granulation, how to realize high-moisture granulation also becomes the research side of enterprise and scientific research institution
To.
Summary of the invention
The technical problem to be solved by the present invention is in order to solve the material excessively high for moisture of granulator in the prior art without
The technical issues of legal system grain, the present invention provide a kind of efficient ring die pelleter, can be realized high-moisture and pelletize, in the material of processing
Moisture content meets the market requirement up to 20%-40%.
The technical solution adopted by the present invention to solve the technical problems is: a kind of efficient ring die pelleter, including pedestal, into
Material shell body, spiral conveying mechanism, material pressing mechanism, rotary cutting body and driving mechanism, driving mechanism include shaft and electricity
Machine is provided with column on pedestal, and shaft is fixed on column by bearing block, and the output shaft of motor and one end of shaft are driven and connect
It connects, spiral conveying mechanism and material pressing mechanism are connected with the other end of shaft, and rack, rack are also fixed on pedestal
It being sleeved in shaft, the material pressing mechanism includes ring moulds, crushing block and axle sleeve, and ring moulds and axle sleeve are sleeved in shaft,
Ring moulds are fixedly connected with rack, and axle sleeve is fixedly set in shaft, are formed material between axle sleeve and ring moulds and are squeezed cavity, crushing block
It is fixed on axle sleeve outer ring, and is located at material and squeezes in cavity, one end of the separate axle sleeve of crushing block is top, the top of crushing block
The crush zone that space is change trend is formed between crushing block and ring moulds inner ring to axle sleeve rotation direction, the periphery of ring moulds is set
It being equipped with and squeezes the discharge hole that cavity is connected with material, the feed inlet of ring moulds is connected with the discharge port of spiral conveying mechanism, into
The discharge port of material shell body is connected with the feed inlet of spiral conveying mechanism, and rotary cutting body is rotatably arranged on the periphery of ring moulds.
Further, for the ease of pressing materials, prevent material from skidding and blocking, the crushing block is two, right in 180 °
Claim to be arranged on axle sleeve, the top of crushing block to the surface of axle sleeve rotation direction be curved surfaces structure, curved surfaces structure and
Ring moulds inner wall forms wedge shaped squeeze area.
Further, the top of the crushing block is removably provided with extruding plate, and extruding plate and ring moulds inner ring are in contact.When
Extruding plate is just replaced with ring moulds inner wall gap mill rear area.
Further, specifically, the rotary cutting body includes bull gear, blade and blade actuating mechanism, bull gear and
Shaft coaxial arrangement, bull gear are looped around ring moulds periphery, and bull gear is fixedly connected by bearing with rack, and blade is fixed at
On bull gear, blade actuating mechanism and bull gear transmission connection, blade actuating mechanism enable to the blade of blade around ring moulds
Outer ring rotating.
Further, in order to improve cutting efficiency, there are two the blades, is symmetrically fixed on bull gear in 180 °.
Further, specifically, the blade actuating mechanism uses driving motor, is set with transmission in driving motor output shaft
Gear, transmission gear and the engagement of bull gear outer ring.Motor output shaft revolving speed is adjustable.
Further, specifically, the spiral conveying mechanism includes sleeve and double-spiral structure, and sleeve coaxial package is in shaft
On, one end of sleeve is connected with the feed inlet of ring moulds, and another endfeed shell of sleeve is connected, and double-spiral structure is in fried dough twist
Shape is wrapped in shaft, and double-spiral structure is located in sleeve, is extended in charging shell, double-stranded end is right respectively
Zhun Liangge wedge shaped squeeze area.
Further, specifically, multiple rows of discharge hole is circumferentially evenly equipped in the ring moulds.
The invention has the advantages that efficient ring die pelleter of the invention squeezes compared with traditional ring die pelleter
Device is crushing block, instead of traditional compression roller of granulator, avoid pressure roller because material moisture it is excessive caused by pressure roller skidding stall, can be complete
At the granulation of high moisture material.
Crushing block rotary motion, ring moulds are remain stationary, and crushing block and ring moulds form a wedge shaped squeeze area, efficiently material
Crush zone is taken in, it is excessive to avoid logistics, improves extruding efficiency, can be realized high-moisture granulation, and moisture contains in the material of processing
It measures up to 20%-40%, meets the market requirement.
Charging uses double helix positive feed, and material, uniform push-in Liang Ge wedge shaped squeeze area, material will not be sent out respectively
Raw blocking.
Crushing block and ring moulds inner wall form a wedge shaped squeeze area, as crushing block rotates, efficiently material from ring moulds hole
Interior extrusion.
Unique rotary cutter device is designed using speed regulation, according to demand, can cut out different particle lengths.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of efficiently ring die pelleter optimum embodiment of the invention.
Fig. 2 is the schematic diagram of internal structure of efficiently ring die pelleter of the invention.
Fig. 3 is the efficiently working condition of the material pressing mechanism of ring die pelleter and rotary cutting body signal of the invention
Figure.
In figure: 1, pedestal, 2, charging shell, 3, spiral conveying mechanism, 31, sleeve, 32, double-spiral structure, 4, material squeeze
Press mechanism, 41, ring moulds, 42, crushing block, 43, axle sleeve, 44, crush zone, 45, discharge hole, 46, extruding plate, 5, rotary knife cutter
Structure, 51, bull gear, 52, blade, 6, shaft, 7, motor, 8, bearing block, 9, rack, 10, particle.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1-3, be optimum embodiment of the present invention, a kind of efficient ring die pelleter, including pedestal 1, charging shell
2, spiral conveying mechanism 3, material pressing mechanism 4, rotary cutting body 5 and driving mechanism, driving mechanism include shaft 6 and motor
7, column is provided on pedestal 1, shaft 6 is fixed on column by bearing block 8, and the output shaft of motor 7 and one end of shaft 6 pass
Dynamic connection, spiral conveying mechanism 3 and material pressing mechanism 4 are connected with the other end of shaft 6, are also fixed on pedestal 1
Rack 9, rack 9 are sleeved in shaft 6, can be relatively rotated between rack 9 and shaft 6, and the material pressing mechanism 4 includes ring
Mould 41, crushing block 42 and axle sleeve 43, ring moulds 41 and axle sleeve 43 are sleeved in shaft 6, and ring moulds 41 are fixedly connected with rack 9, axis
Set 43 is fixedly set in shaft 6, is formed material between axle sleeve 43 and ring moulds 41 and is squeezed cavity, crushing block 42 is fixed on axle sleeve 43
Outer ring, and be located at material and squeeze in cavity, one end of separate the axle sleeve 43 of crushing block 42 are top, and the top of crushing block 42 is to axis
Set rotation direction is formed with the crush zone 44 that space slowly becomes larger, the periphery of ring moulds 41 between 41 inner ring of crushing block 42 and ring moulds
It is provided with and squeezes the discharge hole 45 that cavity is connected with material, be circumferentially evenly equipped with multiple rows of discharge hole 45 in ring moulds 41.Ring moulds 41
Feed inlet is connected with the discharge port of spiral conveying mechanism 3, feeds the discharge port of shell 2 and the feed inlet of spiral conveying mechanism 3
It is connected, rotary cutting body 5 is rotatably arranged on the periphery of ring moulds 41.
The crushing block 42 is two, is symmetricly set on axle sleeve 43 in 180 °, and the surface on the top of crushing block 42 is arc
Shape surface texture, curved surfaces structure and 41 inner wall of ring moulds form the crush zone 44 of wedge shape, and wedge-shaped crush zone 44 turns to axle sleeve
Dynamic direction change trend.The top of crushing block 42 is removably provided with extruding plate 46, and extruding plate 46 and 41 inner ring of ring moulds connect
Touching, extruding plate 46 are located at the tail position (axle sleeve rotation direction is front) on the top of crushing block 42.
Rotary cutting body 5 includes bull gear 51, blade 52 and blade actuating mechanism, and bull gear 51 and shaft 6 are coaxially set
It sets, bull gear 51 is looped around 41 periphery of ring moulds, and bull gear 51 is fixedly connected by bearing with rack 9, and blade 52 is fixed at
On bull gear 51, blade actuating mechanism and bull gear 51 are sequentially connected, and blade actuating mechanism enables to the blade of blade 52 to enclose
Around 41 outer ring rotating of ring moulds.Blade 52 is obliquely installed, blade and 41 outer ring of ring moulds relatively, for the ease of timely cut substrate
Material, but blade cannot be contacted with ring moulds 41, can wear ring moulds 41, the one end opposite with blade of blade 52 is gradually distance from ring moulds
41, so that blade 52 tilts, there are two blades 52, is symmetrically fixed on bull gear 51 in 180 °.
Blade actuating mechanism uses driving motor, is set with transmission gear in driving motor output shaft, transmission gear and big
The engagement of 51 outer ring of gear ring.
The spiral conveying mechanism 3 includes sleeve 31 and double-spiral structure 32, and 31 coaxial package of sleeve is in shaft 6, set
One end of cylinder 31 is connected with the feed inlet of ring moulds 41, and another endfeed shell 2 of sleeve 31 is connected, and double-spiral structure 32 is in
Twisted shape is wrapped in shaft 6, and double-spiral structure 32 is located in sleeve 31, is extended in charging shell 2.
Working principle: the output shaft of motor 7 drives shaft 6, to drive double-spiral structure 32, material is from charging shell 2
Feed inlet enter, through double-spiral structure 32 be delivered to ring moulds 41 material squeeze cavity in, shaft 6 simultaneously also drive axle sleeve 43
It is rotated with crushing block 42, in crushing block 4 under rotary motion active force, material via 45 extruding cavity of discharge hole of ring moulds 41
Outside, then the blade 52 through the rotary cutting body 5 outside ring moulds 41 is cut into different particle lengths.Double-spiral structure 32 passes through material
Charging shell 2 delivers into the sleeve 31 of spiral conveying mechanism 3, the rotation of double-spiral structure 32, and material is divided into two-way point
It Tui Ru not two wedge-shaped crush zones 6.Ring moulds 41 are fixed in rack 9, remain stationary state, the material warp of push-in crush zone 6
Ring moulds 41 squeeze out.Charging shell 2 is fixedly connected with rack 9, and charging shell 2 is equipped with round feeding-passage.Driving motor is fixed on
In rack 9, driving motor output shaft band nutating gear is rotated, and transmission gear drives bull gear 51 to rotate, on bull gear 51
Blade 1 also rotates, and blade 1 is rotated around 41 outer ring of ring moulds, cuts off the material squeezed out from 41 hole of ring moulds, forms particle 10.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (8)
1. a kind of efficient ring die pelleter, it is characterised in that: including pedestal (1), charging shell (2), spiral conveying mechanism (3),
Material pressing mechanism (4), rotary cutting body (5) and driving mechanism, driving mechanism include shaft (6) and motor (7), pedestal
(1) it is provided with column on, shaft (6) is fixed on column by bearing block (8), and the one of the output shaft of motor (7) and shaft (6)
End transmission connection, spiral conveying mechanism (3) and material pressing mechanism (4) are connected with the other end of shaft (6), pedestal (1)
On be also fixed with rack (9), rack (9) is sleeved on shaft (6), the material pressing mechanism (4) include ring moulds (41), squeeze
Briquetting (42) and axle sleeve (43), ring moulds (41) and axle sleeve (43) are sleeved on shaft (6), and ring moulds (41) and rack (9) are fixed
Connection, axle sleeve (43) are fixedly set on shaft (6), are formed material between axle sleeve (43) and ring moulds (41) and are squeezed cavity, squeeze
Block (42) is fixed on axle sleeve (43) outer ring, and is located at material and squeezes in cavity, one end of the separate axle sleeve (43) of crushing block (42)
Top for top, crushing block (42) is formed with space between crushing block (42) and ring moulds (41) inner ring to axle sleeve rotation direction
The crush zone (44) to become larger, the periphery of ring moulds (41), which is provided with, squeezes the discharge hole (45) that cavity is connected, ring moulds with material
(41) feed inlet is connected with the discharge port of spiral conveying mechanism (3), feeds the discharge port and spiral conveying mechanism of shell (2)
(3) feed inlet is connected, and rotary cutting body (5) is rotatably arranged on the periphery of ring moulds (41).
2. efficient ring die pelleter as described in claim 1, it is characterised in that: the crushing block (42) is two, is in 180 °
Be symmetricly set on axle sleeve (43), the top of crushing block (42) to the surface of axle sleeve rotation direction be curved surfaces structure, arc
Surface texture and ring moulds (41) inner wall form the crush zone (44) of wedge shape.
3. efficient ring die pelleter as described in claim 1, it is characterised in that: the top of the crushing block (42) is dismountable
It is provided with extruding plate (46), extruding plate (46) and ring moulds (41) inner ring are in contact.
4. efficient ring die pelleter as described in claim 1, it is characterised in that: the rotary cutting body (5) includes canine tooth
(51), blade (52) and blade actuating mechanism are enclosed, bull gear (51) and shaft (6) coaxial arrangement, bull gear (51) are looped around ring
Mould (41) periphery, bull gear (51) are fixedly connected by bearing with rack (9), and blade (52) is fixed at bull gear (51)
On, blade actuating mechanism and bull gear (51) transmission connection, blade actuating mechanism enable to the blade of blade (52) around ring
Mould (41) outer ring rotating.
5. efficient ring die pelleter as claimed in claim 4, it is characterised in that: there are two the blades (52), right in 180 °
Title is fixed on bull gear (51).
6. efficient ring die pelleter as claimed in claim 4, it is characterised in that: the blade actuating mechanism is using driving electricity
Machine is set with transmission gear, transmission gear and the engagement of bull gear (51) outer ring in driving motor output shaft.
7. efficient ring die pelleter as described in claim 1, it is characterised in that: the spiral conveying mechanism (3) includes sleeve
(31) and double-spiral structure (32), sleeve (31) coaxial package is on shaft (6), one end of sleeve (31) and ring moulds (41) into
Material mouth is connected, and another endfeed shell (2) of sleeve (31) is connected, and double-spiral structure (32) is wrapped in shaft in twisted shape
(6) on, and double-spiral structure (32) is located in sleeve (31), extends in charging shell (2).
8. efficient ring die pelleter as described in claim 1, it is characterised in that: be circumferentially evenly equipped on the ring moulds (41) multiple rows of
Discharge hole (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732859.4A CN110394121A (en) | 2019-08-09 | 2019-08-09 | Efficient ring die pelleter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732859.4A CN110394121A (en) | 2019-08-09 | 2019-08-09 | Efficient ring die pelleter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110394121A true CN110394121A (en) | 2019-11-01 |
Family
ID=68327937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732859.4A Pending CN110394121A (en) | 2019-08-09 | 2019-08-09 | Efficient ring die pelleter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110394121A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271394A (en) * | 2022-01-05 | 2022-04-05 | 赣州美园畜牧有限公司 | Pig feed granulation processing method and processing device thereof |
| CN114381033A (en) * | 2022-01-18 | 2022-04-22 | 佛山市南海和琦润高分子材料有限公司 | Laser etching auxiliary agent for plastic products, production equipment and processing technology |
| CN114403478A (en) * | 2021-12-20 | 2022-04-29 | 马鞍山市福德机械制造有限公司 | Full-automatic crushing and drying ring die feed machine |
| CN114271394B (en) * | 2022-01-05 | 2024-07-02 | 赣州美园畜牧有限公司 | Pig feed granulating processing method and processing device thereof |
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|---|---|---|---|---|
| KR20020069606A (en) * | 2001-02-27 | 2002-09-05 | 진수곤 | Apparatus for making raw granules |
| US20060283340A1 (en) * | 2005-06-16 | 2006-12-21 | Hartmut Pallmann | Apparatus for converting free-flowing feed material into granules, agglomerates, pellets, compacts, and the like |
| CN204547117U (en) * | 2015-04-13 | 2015-08-12 | 宁波双翼能源科技有限公司 | A kind of granulator with checkout gear |
| DE102017010800B3 (en) * | 2017-11-22 | 2019-02-28 | Stefan Beck | Apparatus and method for converting moist, thermoplastic containing feedstock to homogeneously compounded granules |
| CN109847650A (en) * | 2019-01-18 | 2019-06-07 | 北京工商大学 | A kind of granulator and its working method |
| CN210752546U (en) * | 2019-08-09 | 2020-06-16 | 江苏思贝德机械有限公司 | High-efficiency circular mold granulator |
-
2019
- 2019-08-09 CN CN201910732859.4A patent/CN110394121A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020069606A (en) * | 2001-02-27 | 2002-09-05 | 진수곤 | Apparatus for making raw granules |
| US20060283340A1 (en) * | 2005-06-16 | 2006-12-21 | Hartmut Pallmann | Apparatus for converting free-flowing feed material into granules, agglomerates, pellets, compacts, and the like |
| CN204547117U (en) * | 2015-04-13 | 2015-08-12 | 宁波双翼能源科技有限公司 | A kind of granulator with checkout gear |
| DE102017010800B3 (en) * | 2017-11-22 | 2019-02-28 | Stefan Beck | Apparatus and method for converting moist, thermoplastic containing feedstock to homogeneously compounded granules |
| CN109847650A (en) * | 2019-01-18 | 2019-06-07 | 北京工商大学 | A kind of granulator and its working method |
| CN210752546U (en) * | 2019-08-09 | 2020-06-16 | 江苏思贝德机械有限公司 | High-efficiency circular mold granulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403478A (en) * | 2021-12-20 | 2022-04-29 | 马鞍山市福德机械制造有限公司 | Full-automatic crushing and drying ring die feed machine |
| CN114271394A (en) * | 2022-01-05 | 2022-04-05 | 赣州美园畜牧有限公司 | Pig feed granulation processing method and processing device thereof |
| CN114271394B (en) * | 2022-01-05 | 2024-07-02 | 赣州美园畜牧有限公司 | Pig feed granulating processing method and processing device thereof |
| CN114381033A (en) * | 2022-01-18 | 2022-04-22 | 佛山市南海和琦润高分子材料有限公司 | Laser etching auxiliary agent for plastic products, production equipment and processing technology |
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