CN111765741A - Compound fertilizer drying device - Google Patents
Compound fertilizer drying device Download PDFInfo
- Publication number
- CN111765741A CN111765741A CN202010651546.9A CN202010651546A CN111765741A CN 111765741 A CN111765741 A CN 111765741A CN 202010651546 A CN202010651546 A CN 202010651546A CN 111765741 A CN111765741 A CN 111765741A
- Authority
- CN
- China
- Prior art keywords
- drying device
- compound fertilizer
- fertilizer drying
- box body
- hollow
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
- F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
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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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/003—Supply-air or gas filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/12—Manure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a compound fertilizer drying device, which comprises a rack, wherein a crushing mechanism is arranged on the rack and is used for crushing added fertilizer, a hot air system is arranged on one side of the rack and is used for providing hot air into the crushing mechanism through a pipeline; the other side of the rack is provided with an exhaust gas treatment system, the crushing mechanism is connected with the exhaust gas treatment system through a pipeline, and the exhaust gas treatment system is used for treating exhaust gas from the crushing mechanism; the compound fertilizer drying device also comprises an automatic control system. The drying machine has the advantages of reasonable structural design, convenience in use, high drying efficiency and high automation degree, and compared with the existing method for drying materials spread on the ground, the drying machine improves the drying efficiency of raw materials, reduces the labor intensity of workers and reduces the labor cost.
Description
Technical Field
The invention relates to the technical field of fertilizer production, in particular to a compound fertilizer drying device.
Background
The compound fertilizer is a chemical fertilizer containing two or more nutrient elements, has the advantages of high nutrient content, few side ingredients, good physical properties and the like, plays an important role in balancing fertilization, improving the utilization rate of the fertilizer and promoting the high and stable yield of crops, but also has some defects, such as constant nutrient proportion and various types, quantities and proportions of the nutrient elements required by different soils and different crops. In general, fertilizer raw materials are not uniform in thickness, are relatively wet and are easy to form lumps, so that the fertilizer needs to be dried in the process of producing the fertilizer. The traditional fertilizer drying method generally adopts a simple method of tedding on site, the method has large floor area, long tedding time, odor emission, easy pathogen infection, influence on the surrounding environment and sanitation, and the drying process has the defects that the fertilizer drying effect is different due to different fertilizer particle sizes, the subsequent processing steps of the fertilizer are influenced, and the integral processing efficiency of the fertilizer is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a compound fertilizer drying device.
The utility model provides a compound fertilizer drying device, includes the frame, be equipped with rubbing crusher in the frame, rubbing crusher constructs to smashing the fertilizer of adding, frame one side is equipped with hot air system, and hot air system provides hot-blast to rubbing crusher through the pipeline in to rubbing crusher. And the other side of the rack is provided with an exhaust gas treatment system, the crushing mechanism is connected with the exhaust gas treatment system through a pipeline, and the exhaust gas treatment system is used for treating the exhaust gas from the crushing mechanism. The compound fertilizer drying device also comprises an automatic control system.
Further, rubbing crusher constructs including the box, fixedly connected with rotating electrical machines on the box roof, the rotating electrical machines output stretches into in the box, and a plurality of hollow mixing (mixing) shaft are evenly installed to the hollow axis of rotation of rotating electrical machines output fixedly connected with hollow axis of rotation, hollow axis of rotation and hollow mixing (mixing) shaft intercommunication, have seted up a plurality of air vents on the hollow mixing (mixing) shaft. The hollow mixing stirring shaft is fixedly connected with crushing blades, a sleeve is inserted on a bottom plate of the box body, and the bottom end of the hollow rotating shaft is inserted in the sleeve.
Further, the hot air system comprises a filter, a heater and an air suction pump which are sequentially connected through a pipeline, and an air outlet end of the air suction pump is connected with the sleeve through a pipeline.
Further, the waste gas treatment system comprises an activated carbon adsorption box, and the gas inlet end of the activated carbon adsorption box is connected with the gas collecting hood through a pipeline.
Further, automatic control system is including setting up the temperature-sensing ware in the box and installing the control panel on the box outer wall, and the temperature-sensing ware transmits the signal for control panel, and control panel controls all consumer work in this compound fertilizer drying device.
Furthermore, a bearing is arranged between the hollow rotating shaft and the sleeve.
Further, the box roof is symmetrically provided with feed inlets, the bottom of the box body is provided with a valve type discharge port, the outer wall of the box body is provided with an air outlet, the outer side of the air outlet is detachably connected with a gas collecting hood, and filter cotton is arranged in the gas collecting hood.
Furthermore, the filter sponge is arranged in each vent hole to prevent the fertilizer from entering the hollow mixing stirring shaft.
Furthermore, a cover plate is arranged on the feed inlet.
Compared with the prior art, the invention has the beneficial effects that: the drying machine has the advantages of reasonable structural design, convenience in use, high drying efficiency and high automation degree, and compared with the existing method for drying materials spread on the ground, the drying machine improves the drying efficiency of raw materials, reduces the labor intensity of workers and reduces the labor cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a hollow mixing stirring shaft according to the present invention;
FIG. 3 is a top view of the hollow mixing agitator shaft of the present invention.
In the figure: the device comprises a frame 1, a crushing mechanism 2, a box body 21, a rotating motor 22, a hollow rotating shaft 23, a hollow mixing stirring shaft 24, a vent hole 241, a filtering sponge 242, crushing blades 25, a sleeve 26, a feed inlet 27, a cover plate 271, a valve type discharge hole 28, a gas collecting hood 29, filter cotton 210, a hot air system 3, a filter 31, a heater 32, an air suction pump 33, an exhaust gas treatment system 4, an activated carbon adsorption box 41, an automatic control system 5, a temperature sensor 51 and a control panel 52.
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. 1-3, a compound fertilizer drying device includes a frame 1, a crushing mechanism 2 is arranged on the frame 1, and the crushing mechanism 2 crushes the added fertilizer. Rubbing crusher constructs 2 and includes box 21, fixedly connected with rotating electrical machines 22 on the roof of box 21, in the rotating electrical machines 22 output stretched into box 21, rotating electrical machines 22 output fixedly connected with hollow axis of rotation 23, evenly install a plurality of hollow mixing (mixing) shaft 24 on the hollow axis of rotation 23, hollow axis of rotation 23 and hollow mixing (mixing) shaft 24 intercommunication have seted up a plurality of air vents 241 on the hollow mixing (mixing) shaft 24, all be equipped with filter sponge 242 in the air vent 241, prevent that fertilizer from getting into in the hollow mixing (mixing) shaft 24. The crushing blades 25 are fixedly connected to the hollow mixing stirring shaft 24, the sleeve 26 is inserted into the bottom plate of the box body 21, the bottom end of the hollow rotating shaft 23 is inserted into the sleeve 26, and a bearing is arranged between the hollow rotating shaft 23 and the sleeve 26. The symmetry is equipped with charge door 27 on the roof of box 21, be equipped with apron 271 on the charge door 27. The bottom of the box body 21 is provided with a valve type discharge port 28, the outer wall of the box body 21 is provided with an air outlet, the outer side of the air outlet is detachably connected with a gas collecting hood 29, and filter cotton 210 is arranged in the gas collecting hood 29.
One side of the frame 1 is provided with a hot air system 3, and the hot air system 3 provides hot air into the crushing mechanism 2 through a pipeline. The hot air system 3 comprises a filter 31, a heater 32 and an air suction pump 33 which are sequentially connected through a pipeline, and the air outlet end of the air suction pump 33 is connected with the sleeve 26 through a pipeline. The air suction pump 33 sucks hot air filtered by the filter 31 and heated by the heater 32 from the heater 32, introduces the hot air into the hollow rotating shaft 23 through a pipeline, and then dries the raw material in the box body 21 through the hollow mixing stirring shaft 24 and out of the vent 241.
And an exhaust gas treatment system 4 is arranged on the other side of the rack 1, the crushing mechanism 2 is connected with the exhaust gas treatment system 4 through a pipeline, and the exhaust gas treatment system 4 treats exhaust gas from the crushing mechanism 2. The waste gas treatment system 4 comprises an activated carbon adsorption tank 41, and the air inlet end of the activated carbon adsorption tank 41 is connected with the gas collecting hood 29 through a pipeline.
The compound fertilizer drying device also comprises an automatic control system 5. The automatic control system 5 comprises a temperature sensor 51 arranged in the box body 21 and a control panel 52 arranged on the outer wall of the box body 21, wherein the temperature sensor 51 transmits signals to the control panel 52, and the control panel 52 controls all electric equipment in the compound fertilizer drying device to work.
When in operation, each electric device in the device is electrified, the cover plate 271 on the feed port 27 is opened, a proper raw material is added into the box body 21 through the feed port 27 and the cover plate 271 is covered on the feed port 27 and is pressed tightly, the rotary motor 22, the heater 32 and the air suction pump 33 are sequentially started through the control panel 52, the rotary motor 22 is operated to drive the hollow rotating shaft 23 and the hollow mixing stirring shaft 24 to rotate, the crushing blade 25 on the hollow mixing stirring shaft 24 crushes the raw material in the box body 21, the heater 32 and the air suction pump 33 are operated, the air suction pump 33 sucks hot air which is filtered by the filter 31 and then heated by the heater 32 from the heater 32, the hot air is introduced into the hollow rotating shaft 23 through a pipeline, then the raw material in the box body 21 is dried through the vent 241 of the hollow mixing stirring shaft 24, waste gas comes out from the air outlet and is filtered by the filter cotton 210 in the gas collecting hood 29, the waste gas is sent into the activated carbon adsorption box 41 through a pipeline, the odor in the waste gas is adsorbed by the activated carbon adsorption box 41, then the waste gas is discharged from an air outlet of the activated carbon adsorption box 41, the temperature sensor 51 transmits the temperature in the box body 21 to the control panel 52 in the form of an electric signal, when the temperature in the box body 21 reaches the highest temperature set by the control panel 52, the control panel 52 stops the operation of the heater 32, the raw material is dried by using the residual heat in the box body 21, when the temperature in the box body 21 is reduced to the lowest temperature set by the control panel 52, the control panel 52 starts the operation of the heater 32, after the drying is finished, the control panel 52 stops the operation of each electric device in the device, the material collecting hopper is arranged below the valve type material outlet 28, and the raw material falls into the material collecting hopper under the action of gravity by opening the valve. The drying machine has the advantages of reasonable structural design, convenience in use, high drying efficiency and high automation degree, and compared with the existing method for drying materials spread on the ground, the drying machine improves the drying efficiency of raw materials, reduces the labor intensity of workers and reduces the labor cost.
Claims (9)
1. The utility model provides a compound fertilizer drying device, includes frame (1), its characterized in that: the machine frame (1) is provided with a crushing mechanism (2), the crushing mechanism (2) is used for crushing the added fertilizer, one side of the machine frame (1) is provided with a hot air system (3), and the hot air system (3) provides hot air into the crushing mechanism (2) through a pipeline; the other side of the rack (1) is provided with an exhaust gas treatment system (4), the crushing mechanism (2) is connected with the exhaust gas treatment system (4) through a pipeline, and the exhaust gas treatment system (4) is used for treating exhaust gas from the crushing mechanism (2); the compound fertilizer drying device also comprises an automatic control system (5).
2. The compound fertilizer drying device as defined in claim 1, wherein: the crushing mechanism (2) comprises a box body (21), a rotating motor (22) is fixedly connected to a top plate of the box body (21), the output end of the rotating motor (22) extends into the box body (21), a hollow rotating shaft (23) is fixedly connected to the output end of the rotating motor (22), a plurality of hollow mixing stirring shafts (24) are uniformly installed on the hollow rotating shaft (23), the hollow rotating shaft (23) is communicated with the hollow mixing stirring shafts (24), and a plurality of air vents (241) are formed in the hollow mixing stirring shafts (24); fixedly connected with crushing blade (25) on hollow mixing stirring shaft (24), it has sleeve (26) to peg graft on box (21) bottom plate, and hollow axis of rotation (23) bottom is pegged graft in sleeve (26).
3. The compound fertilizer drying device as defined in claim 1, wherein: the hot air system (3) comprises a filter (31), a heater (32) and an air suction pump (33) which are sequentially connected through pipelines, and the air outlet end of the air suction pump (33) is connected with the sleeve (26) through a pipeline.
4. The compound fertilizer drying device as defined in claim 1, wherein: the waste gas treatment system (4) comprises an activated carbon adsorption box (41), and the air inlet end of the activated carbon adsorption box (41) is connected with the gas collecting hood (29) through a pipeline.
5. The compound fertilizer drying device as defined in claim 1, wherein: the automatic control system (5) comprises a temperature sensor (51) arranged in the box body (21) and a control panel (52) installed on the outer wall of the box body (21), the temperature sensor (51) transmits signals to the control panel (52), and the control panel (52) controls all electric equipment in the compound fertilizer drying device to work.
6. The compound fertilizer drying device as defined in claim 2, wherein: a bearing is arranged between the hollow rotating shaft (23) and the sleeve (26).
7. The compound fertilizer drying device as defined in claim 2, wherein: the novel filter box is characterized in that feed inlets (27) are symmetrically arranged on a top plate of the box body (21), a valve type discharge port (28) is arranged at the bottom of the box body (21), an air outlet is formed in the outer wall of the box body (21), a gas collecting hood (29) is detachably connected to the outer side of the air outlet, and filter cotton (210) is arranged in the gas collecting hood (29).
8. The compound fertilizer drying device as defined in claim 2, wherein: all be equipped with in air vent (241) and filter sponge (242), prevent in fertilizer gets into hollow mixing (mixing) shaft (24).
9. The compound fertilizer drying device as defined in claim 7, wherein: and a cover plate (271) is arranged on the feed inlet (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651546.9A CN111765741A (en) | 2020-07-08 | 2020-07-08 | Compound fertilizer drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651546.9A CN111765741A (en) | 2020-07-08 | 2020-07-08 | Compound fertilizer drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111765741A true CN111765741A (en) | 2020-10-13 |
Family
ID=72726006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010651546.9A Pending CN111765741A (en) | 2020-07-08 | 2020-07-08 | Compound fertilizer drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111765741A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100412A (en) * | 2021-11-13 | 2022-03-01 | 浙江神石矿业有限公司 | Granular fertilizer blender |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005204977A1 (en) * | 2004-01-16 | 2005-07-28 | Advanced Grinding Technologies Pty Limited | Processing apparatus and methods |
| DE102006006096A1 (en) * | 2006-02-10 | 2007-08-16 | Altenburger Maschinen Jäckering GmbH | Apparatus and method for feeding moist and / or sticky products, in particular cellulose, in an air vortex mill |
| CN104249010A (en) * | 2014-08-31 | 2014-12-31 | 青岛田瑞牧业科技有限公司 | Fertilizer grinder |
| CN105214776A (en) * | 2015-07-23 | 2016-01-06 | 潍坊友容实业有限公司 | A kind of dispersion and fining equipment of fertilizer for saline-alkaline field |
| CN106288703A (en) * | 2016-08-29 | 2017-01-04 | 芜湖银星汽车零部件有限公司 | A kind of drying unit |
| CN205897757U (en) * | 2016-07-16 | 2017-01-18 | 山东爱福地生物科技有限公司 | Drying system is carried to fertilizer |
| CN206763077U (en) * | 2017-04-11 | 2017-12-19 | 史丹利化肥丰城有限公司 | A kind of fertilizer crusher |
| CN109084530A (en) * | 2018-08-27 | 2018-12-25 | 洛阳龙须坡农牧有限公司 | A kind of sheep farm sheep dung drying unit |
| CN110319667A (en) * | 2019-06-27 | 2019-10-11 | 南京恒辉粉体技术工程有限公司 | A kind of high-efficiency stirring waste residue dryer |
| CN110986523A (en) * | 2019-12-07 | 2020-04-10 | 徐州鼎禾农业科技有限公司 | Chemical fertilizer drying machine |
-
2020
- 2020-07-08 CN CN202010651546.9A patent/CN111765741A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005204977A1 (en) * | 2004-01-16 | 2005-07-28 | Advanced Grinding Technologies Pty Limited | Processing apparatus and methods |
| DE102006006096A1 (en) * | 2006-02-10 | 2007-08-16 | Altenburger Maschinen Jäckering GmbH | Apparatus and method for feeding moist and / or sticky products, in particular cellulose, in an air vortex mill |
| CN104249010A (en) * | 2014-08-31 | 2014-12-31 | 青岛田瑞牧业科技有限公司 | Fertilizer grinder |
| CN105214776A (en) * | 2015-07-23 | 2016-01-06 | 潍坊友容实业有限公司 | A kind of dispersion and fining equipment of fertilizer for saline-alkaline field |
| CN205897757U (en) * | 2016-07-16 | 2017-01-18 | 山东爱福地生物科技有限公司 | Drying system is carried to fertilizer |
| CN106288703A (en) * | 2016-08-29 | 2017-01-04 | 芜湖银星汽车零部件有限公司 | A kind of drying unit |
| CN206763077U (en) * | 2017-04-11 | 2017-12-19 | 史丹利化肥丰城有限公司 | A kind of fertilizer crusher |
| CN109084530A (en) * | 2018-08-27 | 2018-12-25 | 洛阳龙须坡农牧有限公司 | A kind of sheep farm sheep dung drying unit |
| CN110319667A (en) * | 2019-06-27 | 2019-10-11 | 南京恒辉粉体技术工程有限公司 | A kind of high-efficiency stirring waste residue dryer |
| CN110986523A (en) * | 2019-12-07 | 2020-04-10 | 徐州鼎禾农业科技有限公司 | Chemical fertilizer drying machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100412A (en) * | 2021-11-13 | 2022-03-01 | 浙江神石矿业有限公司 | Granular fertilizer blender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 234000 No.8, dangchengdong Industrial Zone, Suzhou City, Anhui Province Applicant after: Dangshan Lvyuan ecological fertilizer Co.,Ltd. Address before: 234000 No.8, dangchengdong Industrial Zone, Suzhou City, Anhui Province Applicant before: DANGSHAN LYUYUAN ECOLOGICAL FERTILIZER Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |