CN112504907A - Pellet feed PDI on-line measuring device - Google Patents
Pellet feed PDI on-line measuring device Download PDFInfo
- Publication number
- CN112504907A CN112504907A CN202011511401.5A CN202011511401A CN112504907A CN 112504907 A CN112504907 A CN 112504907A CN 202011511401 A CN202011511401 A CN 202011511401A CN 112504907 A CN112504907 A CN 112504907A
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- pdi
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- case
- cooling chamber
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- 239000008188 pellet Substances 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000005303 weighing Methods 0.000 claims description 31
- 239000007921 spray Substances 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 11
- 238000004364 calculation method Methods 0.000 abstract description 10
- 238000005070 sampling Methods 0.000 abstract description 8
- 238000004088 simulation Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003556 assay Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a feed detection technology, in particular to a pellet feed PDI online detection device which can realize online automatic quantitative sampling, cooling, powder removal, powder content calculation, impact simulation and secondary powder removal, PDI value calculation and PDI curve graph generation; the system not only feeds back the quality of the pellet feed in time, but also reduces the labor intensity of an assay worker, and comprises a quantitative sampler (1), a chute (2), a chute tee joint (3), a PDI detection sub-device (4) and a central control sub-device (5); the quantitative sampler (1) and the PDI detection sub-device (4) are electrically connected with the central control sub-device (5); the quantitative sampler (1) is connected with a chute tee joint (3) through a chute (2), and the chute tee joint (3) is connected with a PDI detection sub-device (4).
Description
Technical Field
The invention relates to a feed detection technology, in particular to a pellet feed PDI online detection device.
Background
The existing mode for detecting the feed particles is still conventional, the feed particles are selected by manual operation, and after the manual sampling steps such as cooling, screening and the like are carried out, a laboratory passes through a special detection device, the PDI value of the particle feed is measured, and related data are analyzed, so that the link is complicated, and the implementation is troublesome. The sampling frequency is increased if the PDI graph is to be plotted, which can be labor intensive and time consuming for the testing personnel. The simultaneous detection of feed also requires a lot of specialists and associated analysis equipment, which is also a minor expense for the feed mill.
Therefore, how to realize the detection of the PDI of the feed is more simplified, and the detection efficiency is higher, which is a technical problem to be solved.
Disclosure of Invention
Aiming at the problems mentioned in the background technology, the invention aims to provide a pellet feed PDI online detection device which can realize online automatic quantitative sampling, cooling, powder removal, powder content calculation, impact simulation and secondary powder removal, PDI value calculation and PDI curve generation; not only timely feed back the quality of pellet feed, but also reduce the labor intensity of laboratory test personnel.
The technical purpose of the invention is realized by the following technical scheme: an online detection device for PDI of pellet feed comprises a quantitative sampler, a chute tee, a PDI detection sub-device and a central control sub-device; the quantitative sampler and the PDI detection sub-device are both connected with the central control sub-device; the quantitative sampler is connected with a chute tee joint through a chute, and the chute tee joint is connected with a PDI detection device;
the PDI detection sub-device comprises a cooling fan, a case, a spray pipe, a metering hopper, an air box, a cooling chamber, an air channel, a first screw, a weighing connecting rod, a weighing sensor, a second screw, a second air cylinder, a rocker arm, a rack, a gear shaft, a third air cylinder, a blowing fan, a sealing ring and a bearing;
the cooling fan is arranged on the case, the cooling fan is communicated with the inner cavity of the bellows through an air channel, the cooling chamber and the bellows are of cylindrical structures and keep coaxial lines, the cooling chamber is partially arranged in the bellows, and the bottom of the cooling chamber is flush with the bottom of the bellows; the feed inlet of the cooling chamber is communicated with the discharge outlet of the elephant trunk tee joint; the lower part of the cooling chamber is of a screen structure; the weighing connecting rod is connected with a weighing sensor through a first screw, and the weighing sensor is fixed on the case through a second screw;
the body of the third air cylinder is installed on the case, the telescopic end of the third air cylinder is connected with the rack, the rotating shaft is connected with the gear shaft, the gear shaft is in rotating fit with the case, the gear shaft is meshed with the rack, and the rotating shaft is linked with the weighing hopper;
the spraying pipe is installed on the case through a bearing, the spraying pipe is communicated with the air outlet of the spraying fan, the spraying fan is fixed to the bottom of the case, one end of the rocker arm is connected with the spraying pipe, the other end of the rocker arm is connected with the telescopic end of the second air cylinder, and the body of the second air cylinder is also installed on the case.
Preferably, the material of the chute and the chute tee joint can be PVC or stainless steel.
Preferably, the mesh plate structure is a 10-mesh stainless steel mesh plate rolling structure.
Preferably, the cooling device further comprises a first air cylinder, a pin shaft and a flat gate plate, wherein a cylinder body of the first air cylinder is installed on the case, a telescopic end of the first air cylinder is connected with the flat gate plate through the pin shaft, and the flat gate plate is arranged at the bottom of the cooling chamber.
In summary, the invention mainly has the following beneficial effects: the online detection device for the PDI of the granulated feed disclosed by the invention can find out factors influencing the quality of the granulated feed by analyzing the PDI curve diagram of the granulated feed, so that the feed formula and the granulating process parameters are adjusted, and the quality of the granulated feed can be optimized.
The online automatic quantitative sampling, cooling, powder removing, powder content calculation, impact simulation and secondary powder removing, PDI value calculation and PDI curve graph generation can be realized. The quality of the pellet feed can be fed back in time. But also can reduce the labor intensity of the laboratory staff.
The feed particles can be directly treated through the cooling bin and the dust removal component, primary treatment can be timely carried out on the particles, fine particles and dust are filtered through the filter hopper, and the required particles are finally obtained; the time for manually selecting the particles is saved, and the processing time is also saved; the practicality of particle detection is remarkably improved.
Drawings
FIG. 1 is a block diagram of the architecture of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of a PDI detection sub-apparatus of the present invention;
FIG. 4 is a schematic structural view of the flat gate of FIG. 3;
FIG. 5 is a schematic view of the structure of the measuring hopper of FIG. 3;
FIG. 6 is a schematic structural view of the hopper tipping and spout rotating mechanism of FIG. 3;
FIG. 7 is a schematic structural view of the nozzle of FIG. 3;
fig. 8 is a schematic structural diagram of the central control sub-device.
Description of the drawings: 1. a quantitative sampler; 2. a chute; 3. a chute tee joint; 4. PDI detection sub-device; 5. a central control sub-device; 6. a cooling fan; 7. a chassis; 8. a first cylinder; 9. a pin shaft; 10. a flat gate plate; 11. a nozzle; 12. a measuring hopper; 13. an air box; 14. a cooling chamber; 15. an air duct; 16. a first screw; 17. a weighing connecting rod; 18. a rotating shaft; 19. a weighing sensor; 20. a second screw; 21. a second air cylinder; 22. a rocker arm; 23. a rack; 24. a gear shaft; 25. a third air cylinder; 26. an injection fan; 27. a seal ring; 28. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the central control sub-device 5 respectively outputs and controls the air cooling control, the cooling chamber emptying control, the first blowing, the second blowing and the hopper overturning and dumping of the quantitative sampler 1 automatic quantitative sampling and PDI detection sub-device 4 according to program instructions; the central control sub-unit 5 acquires the weight obtained by three weight detections of the pellet feed in the working cycle from the PDI detection sub-unit 4, calculates the weight detection data of the three times, and generates a PDI graph from the calculation result.
Referring to fig. 2, the quantitative sampler 1, the chute 2 and the chute tee 3 are sequentially installed from top to bottom, wherein the PDI detection sub-device 4 is connected below the chute tee 3, and the quantitative sampler 1 and the PDI detection sub-device 4 are respectively and electrically connected with the central control sub-device 5.
The chute 2 and the chute tee joint 3 can be made of PVC or stainless steel and are used for guiding the flow of the sample granulated feed; wherein, the upper opening of the three-way pipe 3 in the vertical direction is a feeding opening, the lower opening is a discharging opening, and the third opening which is inclined upwards is used for exhausting when the granulated feed is cooled.
Referring to fig. 3, the PDI detection sub-device 4 mainly comprises a cooling fan 6, a chassis 7, a first cylinder 8, a pin shaft 9, a flat gate plate 10, a spray pipe 11, a weighing hopper 12, an air box 13, a cooling chamber 14, an air duct 15, a first screw 16, a weighing connecting rod 17, a weighing sensor 19, a second screw 20, a second cylinder 21, a rocker arm 22, a rack 23, a gear shaft 24, a third cylinder 25, a blowing fan 26, a seal ring 27, a bearing 28 and a central control sub-device 5.
The cooling fan 6 is used for communicating an air outlet of the cooling fan 6 with the inner cavity of the bellows 13 through an air duct 15; the cooling chamber 14 is of a cylindrical barrel structure, is arranged in the bellows 13 and is flush and coaxial with the bottom of the bellows 13, an inner cavity of the bellows 13 with an annular interlayer is formed between the outer side of the cooling chamber 14 and the inner side of the bellows 13, a feed inlet of the cooling chamber 14 penetrates through an upper cover of the bellows 13 and is upwards butted with a discharge outlet of the chute tee 3, and a barrel body with the lower section 1/3 height of the cooling chamber 14 is rolled by a stainless steel mesh plate with 10 meshes; a flat gate plate 10 is arranged at the bottom of the cooling chamber 14, and the flat gate plate 10 is connected with a first cylinder 8 through a pin shaft 9; wherein, the cooling fan 6 and the first cylinder 8 are fixed on the inner side of the front wall plate of the case 7, and the air duct 15 is fixed on the outer side of the front wall plate of the case.
The weighing hopper 12 is connected with the weighing sensor 19 through a first screw 16 by a weighing connecting rod 17, the weighing sensor 19 is fixed to the outer side of the front wall plate of the case 7 through a second screw 20, a rack 23 is arranged at the telescopic end of a third cylinder 25 fixed to the inner side of the front wall plate of the case 7 to drive a gear shaft 24, and the gear shaft 24 drives a rotating shaft 18 to rotate so as to realize the overturning and dumping of the weighing hopper 12.
The air inlet section of the spray pipe 11 is supported by a bearing 28 and is arranged on the front wall plate of the case 7, the air inlet horizontally penetrates through the front wall plate and is inserted into the air outlet of the blowing fan 26, and the matching surface of the air inlet section is sealed by a sealing ring 27; one end of the rocker arm 22 is connected with the spray pipe 11, the other end of the rocker arm is connected with the second air cylinder 21, and the telescopic action of the second air cylinder 21 drives the spray pipe 11 to rotate; in which the blowing fan 26 is fixed to the lower floor inside the cabinet 7.
The cooling fan 6, the first air cylinder 8, the weighing sensor 19, the second air cylinder 21, the third air cylinder 25 and the blowing fan 26 are respectively and electrically connected with the central control sub-device 5; wherein the cooling fan 6 is used for cooling the sample pellet feed; the first air cylinder 8 is used for realizing the opening and closing actions of the flat gate plate 10; the weighing sensor 19 realizes the weighing of the sample granulated feed; the second air cylinder 21 is used for realizing the rotation of the spray pipe 11; the third air cylinder 25 is used for overturning the weighing hopper 12 to realize automatic material pouring; the blowing fan 26 is used for blowing the sample granulated feed to realize the powder removal on the surface of the sample granulated feed and the simulation of the collision among feed particles in the storage and transportation processes.
Referring to fig. 4, the PDI detection apparatus 4 operates as follows: in the granulating process, after the first air cylinder 8 pushes the flat gate plate 10 to be closed, the quantitative sampler 1 is started to start sampling, the granulated feed enters the cooling chamber 14 through the chute 2 and the chute tee joint 3, the cooling fan 6 is started, blast air enters the inner cavity of the air box 13 through the air duct 15 to perform air cooling on the granulated feed in the cooling chamber 14, and at the moment, the air is exhausted from the third port of the chute tee joint 3 which is inclined upwards.
Referring to fig. 5 and 6, after the cooling time is over, the flat gate plate 10 is opened, the granulated feed enters the weighing hopper 12, the central control sub-device 5 carries out first weight reading by the symmetrical weight sensor 19, the PLC records the first weight, then the second cylinder 21 extends out to push the rocker arm 22 to drive the spray pipe 11 to rotate, so that the air outlet of the spray pipe 11 is abutted against the bottom of the weighing hopper 12, and the injection fan 26 starts to carry out first injection on the granulated feed of the sample injection product in the weighing hopper 12, so that the dust on the surface of the granulated feed is removed; the second air cylinder 21 retracts to pull the rocker arm 22 to drive the spray pipe 11 to rotate, so that the air outlet of the spray pipe 11 is far away from the bottom of the metering hopper 12, the central control sub-device 5 carries out second weight reading by the symmetrical weight sensor 19, the PLC records the second weight of the sample granulated feed, and the powder content of the sample granulated feed is obtained through calculation; then the second cylinder 21 extends out to push the rocker arm 22 to drive the spray pipe 11 to rotate, so that the air outlet of the spray pipe 11 abuts against the bottom of the measuring hopper 12 for the second time, the blowing fan 26 starts to blow the sample pellet feed in the measuring hopper 12 for the second time, the pellet feed simulation storage and the collision among feed pellets in the transportation process are completed, the second cylinder 21 retracts to pull the rocker arm 22 to drive the spray pipe 11 to rotate, so that the air outlet of the spray pipe 11 is far away from the bottom of the measuring hopper 12, the third weight reading is carried out by the central control sub-device 5 symmetrical weight sensor 19, the PLC records the third weight of the sample pellet feed, the PDI value of the sample pellet feed is obtained through calculation, and.
Referring to fig. 6, finally, the third cylinder 25 fixed on the inner side of the front wall plate of the case 7 retracts, the rack 23 drives the gear shaft 24 to rotate, the gear shaft 24 drives the rotating shaft 18 to rotate, the weighing hopper 12 is turned over and the material is poured, after the weight reaches the zero position range, the third cylinder 25 extends out, and the rack 23 drives the gear shaft 24 to enable the weighing hopper 12 to return to the right position and enter the next working cycle.
Referring to fig. 8, the central control sub-unit 5 is mainly composed of a PLC, a weight transmitter, and an industrial computer. The PLC is respectively electrically connected with the weight transmitter and the industrial computer.
The working principle of the central control branch device is as follows: the PLC respectively outputs and controls the quantitative sampler 1, the cooling fan 6, the cylinder I8, the cylinder II 21, the cylinder III 25 and the blowing fan 26 according to the program instructions; the weight of the granulated feed in the working cycle is measured for three times, the weight transmitter reads an electric signal of the weighing sensor 19 and converts the electric signal into a digital signal, the digital signal is transmitted to the PLC, the PLC calculates the weight measurement data for three times, and the calculation result is output to the industrial computer to generate a PDI curve chart.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pellet feed PDI on-line measuring device which characterized in that: comprises a quantitative sampler (1), a chute (2), a chute tee joint (3), a PDI detection branch device (4) and a central control branch device (5); the quantitative sampler (1) and the PDI detection sub-device (4) are both connected with a central control sub-device (5); the quantitative sampler (1) is connected with a chute tee joint (3) through a chute (2), and the chute tee joint (3) is connected with a PDI detection sub-device (4);
the PDI detection and separation device (4) comprises a cooling fan (6), a case (7), a spray pipe (11), a metering hopper (12), an air box (13), a cooling chamber (14), an air duct (15), a first screw (16), a weighing connecting rod (17), a weighing sensor (19), a second screw (20), a second air cylinder (21), a rocker arm (22), a rack (23), a gear shaft (24), a third air cylinder (25), a blowing fan (26), a sealing ring (27) and a bearing (28);
the cooling fan (6) is installed on the case (7), the cooling fan (6) is communicated with an inner cavity of the bellows (13) through an air duct (15), the cooling chamber (14) and the bellows (13) are both of cylindrical tube structures and keep coaxial lines, part of the cooling chamber (14) is arranged in the bellows (13), and the bottom of the cooling chamber (14) is flush with the bottom of the bellows (13); the feed inlet of the cooling chamber (14) is communicated with the discharge outlet of the chute tee joint (3); the lower part of the cooling chamber (14) is of a screen structure; the weighing connecting rod (17) is connected with a weighing sensor (19) through a first screw (16), and the weighing sensor (19) is fixed on the case (7) through a second screw (20);
the body of the cylinder III (25) is arranged on the case (7), the telescopic end of the cylinder III (25) is connected with the rack (23), the rotating shaft (18) is connected with the gear shaft (24), the gear shaft (24) is in running fit with the case (7), the gear shaft (24) is meshed with the rack (23), and the rotating shaft (18) is linked with the measuring hopper (12);
the spraying pipe (11) is installed on the case (7) through a bearing (28), the spraying pipe (11) is communicated with an air outlet of a spraying fan (26), the spraying fan (26) is fixed at the bottom of the case (7), one end of the rocker arm (22) is connected with the spraying pipe (11), the other end of the rocker arm is connected with the telescopic end of the second air cylinder (21), and the body of the second air cylinder (21) is also installed on the case (7).
2. The pellet feed PDI online detection device of claim 1, wherein: the materials of the chute (2) and the chute tee joint (3) can be PVC or stainless steel.
3. The pellet feed PDI online detection device of claim 1, wherein: the screen plate structure is a 10-mesh stainless steel screen plate rolling structure.
4. The pellet feed PDI online detection device of claim 1, wherein: the cooling machine further comprises a first cylinder (8), a pin shaft (9) and a flat gate plate (10), a cylinder body of the first cylinder (8) is installed on the machine case (7), the telescopic end of the first cylinder (8) is connected with the flat gate plate (10) through the pin shaft (9), and the flat gate plate (10) is arranged at the bottom of the cooling chamber (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511401.5A CN112504907A (en) | 2020-12-18 | 2020-12-18 | Pellet feed PDI on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011511401.5A CN112504907A (en) | 2020-12-18 | 2020-12-18 | Pellet feed PDI on-line measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN112504907A true CN112504907A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011511401.5A Pending CN112504907A (en) | 2020-12-18 | 2020-12-18 | Pellet feed PDI on-line measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112504907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324055A (en) * | 2021-12-29 | 2022-04-12 | 宁夏博瑞饲料有限公司 | Be used for fodder factory granule material powder self-checking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512180A (en) * | 1982-01-28 | 1985-04-23 | Holmen Chemicals Limited | Pellet durability tester |
| US20060170128A1 (en) * | 2002-09-18 | 2006-08-03 | Aliments Breton | Animal feed in pellet form, process and apparatus for preparing same |
| CN207181211U (en) * | 2017-08-23 | 2018-04-03 | 华中农业大学 | A kind of pellet rate containing powder automatic checkout equipment |
| CN108896431A (en) * | 2018-07-23 | 2018-11-27 | 唐山德丰电气有限公司 | The continuous on-line automatic detection device of vaporation-type moisture content |
-
2020
- 2020-12-18 CN CN202011511401.5A patent/CN112504907A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4512180A (en) * | 1982-01-28 | 1985-04-23 | Holmen Chemicals Limited | Pellet durability tester |
| US20060170128A1 (en) * | 2002-09-18 | 2006-08-03 | Aliments Breton | Animal feed in pellet form, process and apparatus for preparing same |
| CN207181211U (en) * | 2017-08-23 | 2018-04-03 | 华中农业大学 | A kind of pellet rate containing powder automatic checkout equipment |
| CN108896431A (en) * | 2018-07-23 | 2018-11-27 | 唐山德丰电气有限公司 | The continuous on-line automatic detection device of vaporation-type moisture content |
Non-Patent Citations (1)
| Title |
|---|
| HOLMEN CHEMICALS: ""NHP300 Pellet Durability Tester"", 《NHP300-INFO-SHEET-BRAND-REFRESH-FEB-2018-V2》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324055A (en) * | 2021-12-29 | 2022-04-12 | 宁夏博瑞饲料有限公司 | Be used for fodder factory granule material powder self-checking device |
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Application publication date: 20210316 |