CN113398837B - Organic fertilizer and preparation process thereof - Google Patents
Organic fertilizer and preparation process thereof Download PDFInfo
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- CN113398837B CN113398837B CN202110828503.8A CN202110828503A CN113398837B CN 113398837 B CN113398837 B CN 113398837B CN 202110828503 A CN202110828503 A CN 202110828503A CN 113398837 B CN113398837 B CN 113398837B
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- organic fertilizer
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention relates to the field of organic fertilizer preparation, in particular to an organic fertilizer and a preparation process thereof, and the preparation process of the organic fertilizer comprises the following steps: s1: arranging an organic fertilizer preparation device and injecting organic fertilizer; s2: transporting the organic fertilizer; s3: mixing and molding the organic fertilizer; s4: the organic fertilizer prepared by the preparation process of the organic fertilizer is cut and collected, and the organic fertilizer comprises the following components in parts: 500 parts of pig manure, 200 parts of chicken manure, 100 parts of grass ash and 50 parts of sludge, and has the advantage of being capable of processing spiral organic fertilizer particles.
Description
Technical Field
The invention relates to the field of organic fertilizer preparation, in particular to an organic fertilizer and a preparation process thereof.
Background
The invention with the patent number of 104496579A discloses an organic fertilizer and a method for preparing a soil testing formula fertilizer by using the organic fertilizer, wherein 25% of rice hulls and 35% of livestock manure are uniformly mixed and then stacked to ferment to obtain a fermented product A, 20% of cake meal, 10% of bone meal and 10% of grass carbon are mixed to obtain a mixture B, the fermented product A is added according to the weight ratio of the mixture B to the fermented bacteria 1:90-110, the fermented product C is prepared by uniformly mixing and fermenting for 24 hours, the fermented product A and the fermented product C are mixed, stacking and fermenting are carried out, the fermentation temperature is kept for 8 hours after reaching 60 ℃, the stacking and fermenting are carried out again, the fermentation temperature is kept for 8 hours after reaching 60 ℃, the fermentation temperature is repeated for 5-6 times to prepare the organic fertilizer, the organic fertilizer is mixed with N, P, K to prepare a soil testing formula fertilizer D, and the soil testing formula fertilizer D is subjected to disc granulation, vibration separation and screening, drying, and drying, And vibrating, separating, screening and coating and coloring again to obtain the finished product.
Disclosure of Invention
The invention aims to provide an organic fertilizer and a preparation process thereof, and the organic fertilizer has the advantage of being capable of processing spiral organic fertilizer particles.
The purpose of the invention is realized by the following technical scheme:
the preparation process of the organic fertilizer comprises the following steps:
the method comprises the following steps: arranging an organic fertilizer preparation device and injecting organic fertilizer;
step two: transporting the organic fertilizer;
step three: mixing and molding the organic fertilizer;
step four: realize cutting and collection to the fertilizer.
The device is provided with a plurality of shaping boards including shaping frame, shaping board, shaping hole and shaping gear on the shaping frame, all is provided with the shaping hole on a plurality of shaping boards, and equal rigid coupling has shaping gear on a plurality of shaping boards, a plurality of shaping gear intermeshing transmission.
Preferably, the device still includes mixing box, unloading hole and inlet pipe, is provided with the profiled sheeting on the mixing box, is provided with unloading hole and inlet pipe on the mixing box.
Preferably, the device still includes lifter plate, vortex board, screwed pipe, lifter, spring and support, and the mixing box setting is provided with the lifter on the support, is provided with the screwed pipe on the lifter, is provided with the lifter plate on the screwed pipe, is provided with the vortex board on the lifter plate, is provided with the spring between vortex board and the lifter.
Preferably, the device further comprises a sealing plate disposed on the volute plate.
The organic fertilizer and the preparation process thereof have the beneficial effects that: can go out spiral helicine fertilizer from the downthehole shaping of a plurality of shaping boards through the rotation of a plurality of shaping boards, the preparation and the unloading of fertilizer granule are realized in the rotation of two cutting knives of rethread, can also be through the lift and the rotation of lifter plate and vortex form board, realize going out spiral helicine fertilizer granule to the even feed of shaping board, even shaping.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a flow chart of a preparation process of an organic fertilizer;
FIG. 2 is a structural diagram of a part formed by organic fertilizer;
FIG. 3 is a view of the components for transporting organic fertilizer;
FIG. 4 is a view of the components for transporting fertilizer;
FIG. 5 is a block diagram of the other direction of FIG. 4;
FIG. 6 is a structural view of a mixing box and its connection structure;
FIG. 7 is a schematic view of the structure of FIGS. 5 and 6;
FIG. 8 is a schematic view of the cutting blade;
FIG. 9 is a schematic view of the structure of FIG. 8 and a portion of FIG. 6;
fig. 10 is a schematic view of the structure in the other direction of fig. 9.
In the figure: a forming frame 11; a forming plate 12; a molding hole 13; a forming gear 14; a fixed rod 15; a lifting plate 21; a scroll plate 22; a sealing plate 23; a threaded tube 24; a lifting rod 25; a spring 26; a mixing tank 31; a blanking hole 32; a feed pipe 33; a bracket 34; thread teeth 35; the gear teeth 36; a timing belt 37; the drive teeth 38; a cutting shaft 41; the driven teeth 42; a cutting blade 43; a toothed belt 44.
Detailed Description
Referring to fig. 1, the implementation process of organic fertilizer preparation is illustrated in detail:
the preparation process of the organic fertilizer comprises the following steps:
the method comprises the following steps: arranging an organic fertilizer preparation device and injecting organic fertilizer;
step two: transporting the organic fertilizer;
step three: mixing and molding the organic fertilizer;
step four: realize cutting and collection to the fertilizer.
Referring to fig. 2, the implementation process of organic fertilizer forming is described in detail:
the device comprises a forming frame 11, a plurality of forming plates 12 are rotatably connected on the forming frame 11, forming holes 13 are processed on the plurality of forming plates 12, the plurality of forming holes 13 are eccentrically arranged on the forming plates 12, forming gears 14 are fixedly connected to the plurality of forming plates 12, the plurality of forming gears 14 are in meshed transmission, when one of the forming plates 12 or the forming gears 14 obtains power, the molding plates 12 or the molding gears 14 rotate, the plurality of molding gears 14 rotate synchronously through the mutual engagement of the plurality of molding gears 14, the plurality of molding gears 14 drive the plurality of molding plates 12 to rotate synchronously, when the molding holes 13 on the plurality of molding plates 12 rotate around the axes of the corresponding molding plates 12, the fertilizer is extruded from a plurality of shaping holes 13, and along with the rotation of a plurality of shaping boards 12, the shaping of fertilizer goes out spiral helicine fertilizer, prepares spiral helicine fertilizer granule through subsequent processing again.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 6, the implementation process of the organic fertilizer feeding and discharging is explained in detail:
fixedly connected with profiled sheeting 12 on the mixing box 31, the lower extreme fixedly connected with inlet pipe 33 of mixing box 31, install the check valve on the inlet pipe 33, the upper end processing of mixing box 31 has unloading hole 32, can realize the injection of fertilizer through inlet pipe 33, the fertilizer that will go up further processing and obtain adds into mixing box 31 in, the check valve on the inlet pipe 33 can prevent the backward flow of fertilizer, be provided with the switch on this check valve simultaneously, can realize inlet pipe 33's intercommunication and closing, be convenient for realize the control to the feeding in the mixing box 31, can realize the unloading of fertilizer through unloading hole 32 after processing out more fertilizer granule on the forming frame 11.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 3, 4, 5, 6 and 7, the implementation process of the organic fertilizer transportation and feeding is explained in detail:
the mixing box 31 is fixedly connected to the support 34, the lifting rod 25 is connected to the support 34 in a sliding manner, the threaded pipe 24 is connected to the lifting rod 25 in a rotating manner, the lifting plate 21 is fixedly connected to the threaded pipe 24, the vortex plate 22 is fixedly connected to the lifting plate 21, the spring 26 is fixedly connected between the vortex plate 22 and the lifting rod 25, the lifting rod 25 can slide linearly, when the lifting rod 25 slides linearly, the lifting rod 25 drives the threaded pipe 24 and the spring 26 to ascend, the threaded pipe 24 drives the lifting plate 21 to ascend, the spring 26 drives the vortex plate 22 to ascend, the organic fertilizer can be driven to ascend by synchronous ascending of the lifting plate 21 and the vortex plate 22, transportation of the organic fertilizer from bottom to top and feeding of the forming frame 11 are realized, and the organic fertilizer from bottom to top can be fed in a mode that the organic fertilizer coming out from each forming hole 13 is uniform in composition and complete in appearance, the situation of insufficient feeding can not exist, if the mixing box 31 with the horizontal axis is adopted to provide organic fertilizer, the situation that the organic fertilizer formed by the forming hole 13 at the upper end is unqualified or cannot be formed is caused, the processing is slow, the reject ratio is high, when the vortex plate 22 rises to contact with the forming frame 11, the lifting plate 21 continues to rise, the vortex plate 22 compresses the spring 26 until the lifting plate 21 contacts with the forming frame 11, and the complete supply of the organic fertilizer is realized.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 4, the implementation process of the machine fertilizer transportation feed sealing is detailed:
the vortex plate 22 is rotatably connected with a sealing plate 23, the sealing plate 23 forms a seal with the inner wall of the mixing box 31, organic fertilizer is prevented from flowing down from the gap between the sealing plate 23 and the mixing box 31, waste of the organic fertilizer and pollution to the environment are avoided, when the vortex plate 22 rises to contact with the forming frame 11, the sealing plate 23 also contacts with the forming frame 11, and complete organic fertilizer supply is realized.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 5, the implementation process of stirring the organic fertilizer is explained in detail:
the fixed rod 15 is fixedly connected to the forming frame 11, threads are machined on the outer wall of the fixed rod 15, the fixed rod 15 and the threaded pipe 24 are in threaded transmission, when the threaded pipe 24 rises, the threaded pipe 24 is in transmission with the fixed rod 15 to achieve rotation of the threaded pipe 24, the threaded pipe 24 drives the lifting plate 21 to rotate, the lifting plate 21 drives the vortex plate 22 to rotate, the vortex plate 22 stirs and mixes organic fertilizer, accumulation of various components of the organic fertilizer is prevented, when the organic fertilizer is used, nutrition provided for soil is not balanced enough, the nutritional components of the soil are not suitable for growth of crops, when the vortex plate 22 rises to contact with the forming frame 11, the sealing plate 23 can rotate along with rotation of the lifting plate 21, friction between the vortex plate 22 and the forming frame 11 is reduced, and the service life of parts is prolonged.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 8, 9 and 10, the implementation of cutting organic fertilizer into particles is detailed:
the cutting shaft 41 is rotatably connected to the mixing box 31, two cutting knives 43 are fixedly connected to the cutting shaft 41, the cutting shaft 41 is fixedly connected with the corresponding forming plate 12, the cutting shaft 41 can rotate around the axis of the cutting shaft 41, when the cutting shaft 41 rotates, the cutting shaft 41 drives the two cutting knives 43 to rotate, the two cutting knives 43 rotate to cut the organic fertilizer on the forming frame 11, the organic fertilizer is prepared into particles, when the cutting shaft 41 rotates, the forming plate 12 fixedly connected with the cutting shaft is driven to rotate, the forming plate 12 drives the forming gear 14 fixedly connected with the forming plate 12 to rotate, so that the forming plates 12 are driven to rotate synchronously through the synchronous rotation of the forming gears 14, the forming and the cutting of the organic fertilizer into particles are realized, two cutting knives 43 form a certain included angle with the horizontal plane, when the two cutting knives 43 rotate, the two inclined cutting knives 43 can more easily cut the formed organic fertilizer, the preparation of more swift fertilizer granule, after two cutting knives 43 cut the fertilizer granule, the granule that two cutting knives 43 of slope will cut off promotes.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 6 and 7, the implementation of power transmission is described in detail:
the thread teeth 35 and the transmission teeth 36 are rotationally connected to the support 34, the thread teeth 35 and the transmission teeth 36 are driven by a synchronous belt 37, the thread teeth 35 and the lifting rod 25 are driven by threads, the transmission teeth 36 are fixedly connected with a driving tooth 38, a cutting shaft 41 is provided with a driven tooth 42, the driving tooth 38 and the driven tooth 42 are driven by a toothed belt 44, the support 34 is fixedly connected with a speed reducing motor, an output shaft of the speed reducing motor is fixedly connected with the transmission teeth 36, when the speed reducing motor is started, the speed reducing motor drives the transmission teeth 36 to rotate, the transmission teeth 36 drive the thread teeth 35 to rotate through the synchronous belt 37, the thread teeth 35 drive the lifting rod 25 through threads, the lifting rod 25 can only slide on the support 34, so that the lifting of the lifting rod 25 is realized, the lifting rod 25 pushes the lifting plate 21 to lift, the organic fertilizer is supplied, the transmission teeth 36 drive the driving tooth 38 to rotate, the driving tooth 38 drives the driven tooth 42 to rotate through the toothed belt 44, driven tooth 42 drives cutting axle 41 and rotates, realizes that cutting axle 41 drives two cutting knives 43 and rotates the cutting to the fertilizer, realizes the processing of fertilizer granule.
The upper end surface of the forming frame 11 is higher than the lower end surface of the blanking hole 32.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 2 and 6, the implementation process of the blanking of organic fertilizer particles is explained in detail:
the horizontal plane that the up end of one-tenth die carrier 11 made is higher than the horizontal plane of the least significant end of unloading hole 32, ensure when two cutting knives 43 rotate, the fertilizer granule that will cut off is discharged, two cutting knives 43 all become certain contained angle with the horizontal plane, after two cutting knives 43 cut the fertilizer granule, the granule that two cutting knives 43 of slope will cut off promotes, the granule that will become on the die carrier 11 promotes unloading to unloading hole 32 department, realize the preparation unloading of chemical fertilizer granule, and simultaneously, the up end of one-tenth die carrier 11 is provided with the chamfer, when the granule that two cutting knives 43 will cut off promotes the unloading, the unloading of the granule of being convenient for of the chamfer of one-tenth die carrier 11.
The organic fertilizer prepared by the preparation process of the organic fertilizer comprises the following components in parts: 500 parts of pig manure, 200 parts of chicken manure, 100 parts of grass ash and 50 parts of sludge.
In combination with the above implementation process, the present invention can also realize the following functions:
referring to fig. 2, the beneficial effects of organic fertilizer particles are illustrated in detail:
the prepared organic fertilizer particles are spiral, when the organic fertilizer is used, the organic fertilizer is directly applied to soil, after the organic fertilizer is covered on the soil, the soil is propped open by the spiral particles, the spiral hollow position can provide more storage space for air, the soil looseness is increased, the oxygen content in the soil is higher, and the growth of plants is facilitated.
Claims (9)
1. The preparation process of the organic fertilizer is characterized by comprising the following steps: the preparation process comprises the following steps:
the method comprises the following steps: arranging an organic fertilizer preparation device and injecting organic fertilizer;
step two: transporting the organic fertilizer;
step three: mixing and molding the organic fertilizer;
step four: the cutting and collection of the organic fertilizer are realized;
the device is including forming frame (11), shaping board (12), shaping hole (13) and shaping gear (14), and it is connected with a plurality of shaping boards (12) to rotate on shaping frame (11), all processes on a plurality of shaping boards (12) and has become shaping hole (13), and this a plurality of shaping holes (13) are all eccentric to be set up on shaping board (12), equal fixedly connected with shaping gear (14) on a plurality of shaping boards (12), a plurality of shaping gear (14) intermeshing transmission.
2. The preparation process of the organic fertilizer according to claim 1, characterized in that: the device also comprises a mixing box (31), a blanking hole (32) and a feeding pipe (33), wherein a forming plate (12) is arranged on the mixing box (31), and the blanking hole (32) and the feeding pipe (33) are arranged on the mixing box (31).
3. The preparation process of the organic fertilizer according to claim 2, characterized in that: the device also comprises a lifting plate (21), a volute plate (22), a threaded pipe (24), a lifting rod (25), a spring (26) and a support (34), wherein the mixing box (31) is arranged on the support (34), the lifting rod (25) is arranged on the support (34), the threaded pipe (24) is arranged on the lifting rod (25), the lifting plate (21) is arranged on the threaded pipe (24), the volute plate (22) is arranged on the lifting plate (21), and the spring (26) is arranged between the volute plate (22) and the lifting rod (25).
4. The process for preparing the organic fertilizer according to claim 3, which is characterized in that: the device also comprises a sealing plate (23), and the sealing plate (23) is arranged on the volute plate (22).
5. The process for preparing the organic fertilizer according to claim 4, which is characterized in that: the device also comprises a fixed rod (15), the fixed rod (15) is arranged on the forming frame (11), and the fixed rod (15) and the threaded pipe (24) are in threaded transmission.
6. The process for preparing the organic fertilizer according to claim 5, which is characterized in that: the device also comprises a cutting shaft (41) and cutting knives (43), wherein the cutting shaft (41) is arranged on the mixing box (31), the cutting shaft (41) is provided with two cutting knives (43), and the cutting shaft (41) is fixedly connected with the corresponding forming plate (12).
7. The preparation process of the organic fertilizer according to claim 6, characterized in that: the device also comprises a thread tooth (35), a transmission tooth (36), a synchronous belt (37), a driving tooth (38), a driven tooth (42) and a toothed belt (44), wherein the thread tooth (35) and the transmission tooth (36) are both arranged on the bracket (34), the thread tooth (35) and the transmission tooth (36) are driven through the synchronous belt (37), the thread tooth (35) and the lifting rod (25) are driven through threads, the transmission tooth (36) is provided with the driving tooth (38), the cutting shaft (41) is provided with the driven tooth (42), and the driving tooth (38) and the driven tooth (42) are driven through the toothed belt (44).
8. The preparation process of the organic fertilizer according to claim 7, characterized in that: the upper end surface of the forming frame (11) is higher than the lower end surface of the blanking hole (32).
9. The organic fertilizer prepared by the preparation process of the organic fertilizer of claim 8 is characterized in that: the organic fertilizer comprises the following components in parts by weight: 500 parts of pig manure, 200 parts of chicken manure, 100 parts of grass ash and 50 parts of sludge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828503.8A CN113398837B (en) | 2021-07-22 | 2021-07-22 | Organic fertilizer and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110828503.8A CN113398837B (en) | 2021-07-22 | 2021-07-22 | Organic fertilizer and preparation process thereof |
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| CN113398837A CN113398837A (en) | 2021-09-17 |
| CN113398837B true CN113398837B (en) | 2022-07-12 |
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| CN202110828503.8A Active CN113398837B (en) | 2021-07-22 | 2021-07-22 | Organic fertilizer and preparation process thereof |
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| CN115594543A (en) * | 2022-10-29 | 2023-01-13 | 郑国庆（Cn） | Fertilizer and preparation method and application thereof |
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| CA2346710A1 (en) * | 1998-10-14 | 2000-04-20 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
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| KR101645407B1 (en) * | 2015-12-16 | 2016-08-03 | 주식회사 상림 농업회사법인 | soil conditioner using charcoal and calcareous algae, manufacturing method thereof, bed soil and growing media for horticulture |
| CN107348547A (en) * | 2017-09-02 | 2017-11-17 | 成都蒲江珂贤科技有限公司 | A kind of automatic dump granulation device |
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| CN110354758A (en) * | 2019-08-13 | 2019-10-22 | 山东恒基农牧机械有限公司 | A kind of poultry and livestock feed granulator |
| EP3581550A1 (en) * | 2018-06-13 | 2019-12-18 | Pursell Agri-Tech, LLC | Fertilizer coating method |
| CN213133081U (en) * | 2020-08-19 | 2021-05-07 | 徐州市元亨新能源开发有限公司 | A pelletization device for living beings solid fuel |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07237989A (en) * | 1994-02-25 | 1995-09-12 | Chiyoko Tatsuno | Method for extracting organic cultured essence and extractor for organic cultured essence |
| CA2346710A1 (en) * | 1998-10-14 | 2000-04-20 | Oms Investments, Inc. | Controlled release fertilizer compositions and processes for the preparation thereof |
| KR101645407B1 (en) * | 2015-12-16 | 2016-08-03 | 주식회사 상림 농업회사법인 | soil conditioner using charcoal and calcareous algae, manufacturing method thereof, bed soil and growing media for horticulture |
| CN105753603A (en) * | 2016-01-25 | 2016-07-13 | 赵永录 | Polished tile white clay waste containing soil conditioner and preparation method thereof |
| CN107348547A (en) * | 2017-09-02 | 2017-11-17 | 成都蒲江珂贤科技有限公司 | A kind of automatic dump granulation device |
| EP3581550A1 (en) * | 2018-06-13 | 2019-12-18 | Pursell Agri-Tech, LLC | Fertilizer coating method |
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Effective date of registration: 20220620 Address after: 276000 Su Cun Zhen Niu Jia Xiao He Cun, Yinan County, Linyi City, Shandong Province Applicant after: Shandong jingqingyuan bio organic fertilizer Co.,Ltd. Address before: 310016 building 3, No. 2, kekekeyuan Road, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Sun Yuling |
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