CN111760641A - Granular material cooling device for compound fertilizer production - Google Patents
Granular material cooling device for compound fertilizer production Download PDFInfo
- Publication number
- CN111760641A CN111760641A CN202010652297.5A CN202010652297A CN111760641A CN 111760641 A CN111760641 A CN 111760641A CN 202010652297 A CN202010652297 A CN 202010652297A CN 111760641 A CN111760641 A CN 111760641A
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- China
- Prior art keywords
- cooling
- box
- screening
- cooling box
- compound fertilizer
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- 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.)
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Classifications
-
- 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
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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
- B02C13/26—Details
- B02C13/286—Feeding or discharge
-
- 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
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
-
- 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
- B02C13/26—Details
- B02C13/286—Feeding or discharge
- B02C2013/28618—Feeding means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a granular material cooling device for compound fertilizer production, which comprises a rack, wherein a screening mechanism, a smashing mechanism and a cooling box are arranged on the rack, and a cooling mechanism and a dust treatment mechanism are arranged on one side of the rack; the crushing mechanism is positioned on the left side of the screening mechanism, and the aggregate blocks screened by the screening mechanism and bonded together are sent to the crushing mechanism through a pipeline to be crushed; the cooling box is positioned below the screening mechanism, the granular materials screened by the screening mechanism enter the cooling box to be cooled, the lower part of the smashing mechanism is connected with the cooling box through a pipeline, and the smashed granular materials are injected into the cooling box; the cooling mechanism is connected with the screening mechanism and the cooling box through pipelines; the dust treatment mechanism is connected with the screening mechanism and the cooling box through pipelines. The cooling device has the advantages of reasonable structural design, convenience in use, high cooling efficiency and strong practicability, and can cool aggregate and agglomerate-formed aggregate after being smashed.
Description
Technical Field
The invention relates to the technical field of fertilizer production, in particular to a granular material cooling device for compound fertilizer production.
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 the production and processing field of fertilizer, fertilizer need be through heat dissipation cooling treatment after production is accomplished, avoid the material grain bonding together, guarantee the granulation nature of fertilizer, traditional cooling device is the heat in taking away fertilizer through the circulation mode with fan air-speed, because the temperature is higher in summer, the wind temperature that the fan blew off is also very high, lead to the radiating effect of fertilizer and not good, some device also passes through water-cooled mode, most of all circulate once, hardly take away the heat in the fertilizer completely, and after the cooling water absorbs the heat, the cooling temperature risees, lead to the cooling effect progressively worse. Therefore, a cooling device for fertilizer production is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a granular material cooling device for producing a compound fertilizer.
The utility model provides a granule cooling device is used in compound fertilizer production, includes the frame, install screening mechanism in the frame, smash mechanism, cooler bin, frame one side is equipped with cooling body and dust disposal mechanism. The smashing mechanism is located on the left side of the screening mechanism, and the aggregate blocks which are screened out by the screening mechanism and are bonded together are sent into the smashing mechanism through a pipeline to be smashed. The cooling box is located screening mechanism below, and the aggregate through screening mechanism screening gets into the cooling box and cools off in, smash the mechanism lower part and pass through the pipeline and be connected with the cooling box, pour into the aggregate that smashes into in the cooling box. The cooling mechanism is connected with the screening mechanism and the cooling box through pipelines, and provides cold air for cooling the granules in the screening mechanism and the cooling box. The dust treatment mechanism is connected with the screening mechanism and the cooling box through pipelines, and dust generated by the screening mechanism and the cooling box is treated.
Further, screening mechanism is including the screening box, the slope is provided with the screen frame in the screening box, correspond the position with the screen frame lower extreme on the screening box outer wall and be equipped with the discharging pipe, the discharging pipe other end with smash the mechanism and be connected.
Furthermore, a feeding hopper is arranged at the top of the screening box body.
Further, the screen body is arranged in an arc shape.
Further, smash the mechanism including smashing the box, smash the box top and install the motor, the motor output stretches into smashes inside the box, and the motor output is connected with the rotation axis, and fixedly connected with smashes the blade on the rotation axis.
Further, the cooling box includes the cooling box, install the case that gathers materials on the cooling box roof inner wall, install the storehouse that gathers materials on the bottom plate inner wall, the discharge gate of the storehouse that gathers materials stretches out outside the cooling box, gathers materials and connect through the netted union coupling of a plurality of spiral between the storehouse.
Further, screening bottom of the box discharge gate with gather the workbin and communicate.
Further, smash bottom of the box discharge gate and gather materials the case intercommunication through the pipeline.
Further, cooling body includes the water tank, installs the heliciform cooling tube in the water tank, and outside the water tank all stretched out at heliciform cooling tube both ends, install a plurality of semiconductor condensation pieces on the water tank inner wall bottom plate, the aspirator pump is installed to water tank one side, and the aspirator pump end of breathing in is connected with heliciform cooling tube one end, gives vent to anger the end and is connected with screening box and cooling box respectively through the pipeline, provides air conditioning in to screening box and the cooling box.
Furthermore, the dust treatment mechanism comprises a suction fan and a dust bag connected to the air outlet end of the suction fan, the air suction end of the suction fan is connected with the screening box body and the cooling box body through pipelines respectively, and dust in the screening box body and the cooling box body is sucked into the dust bag.
Compared with the prior art, the invention has the beneficial effects that: the dust treatment device is reasonable in structural design and convenient to use, can be used for cooling aggregate, can be used for cooling agglomerated aggregate after being smashed, is high in cooling efficiency and strong in practicability, can be used for cleaning dust in the aggregate from the aggregate through the arrangement of the dust treatment mechanism, and improves the quality of the aggregate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a cooling mechanism in the present invention.
In the figure: the device comprises a frame 1, a screening mechanism 2, a screening box body 21, a screen body 22, a discharge pipe 23, a feeding hopper 24, a smashing mechanism 3, a smashing box body 31, a motor 32, a rotating shaft 33, smashing blades 34, a cooling box 4, a cooling box body 41, a material collecting box 42, a material collecting box 43, a spiral netted pipe 44, a cooling mechanism 5, a water tank 51, a spiral cooling pipe 52, a semiconductor condensing sheet 53, an air suction pump 54, a dust processing mechanism 6, a suction fan 61 and a dust collecting bag 62.
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. 1-2, a granule cooling device for compound fertilizer production, includes frame 1, install screening mechanism 2, smash mechanism 3, cooler bin 4 on the frame 1, frame 1 one side is equipped with cooling body 5 and dust processing mechanism 6. Smash mechanism 3 and be located screening mechanism 2 left side, the aggregate piece that bonds together that screening mechanism 2 sieved sends into through the pipeline and smashes mechanism 3 and smash. Cooling box 4 is located screening mechanism 2 below, and the aggregate that sieves through screening mechanism 2 gets into and cools off in cooling box 4, smash 3 lower parts of mechanism and be connected with cooling box 4 through the pipeline, inject the aggregate of smashing into in cooling box 4. Cooling body 5 is connected with screening mechanism 2 and cooler bin 4 through the pipeline, provides air conditioning to the aggregate and cools down in screening mechanism 2 and the cooler bin 4. The dust treatment mechanism 6 is connected with the screening mechanism 2 and the cooling box 4 through pipelines, and is used for treating dust generated by the screening mechanism 2 and the cooling box 4.
The crushing mechanism 3 comprises a crushing box body 31, the discharge pipe 23 is communicated with the crushing box body 31, and the agglomerated granular materials are sent into the crushing box body 31. Smash the box 31 top and install motor 32, inside motor 32 output stretched into and smash box 31, motor 32 output was connected with rotation axis 33, and fixedly connected with smashes blade 34 on the rotation axis 33.
The cooling box 4 comprises a cooling box body 41, a material collecting box 42 is installed on the inner wall of a top plate of the cooling box body 41, a material collecting bin 43 is installed on the inner wall of a bottom plate, a discharge hole of the material collecting bin 43 extends out of the cooling box body 41, and the material collecting box 42 and the material collecting bin 43 are connected through a plurality of spiral mesh pipes 44. The discharge port at the bottom of the screening box 21 is communicated with a material collecting box 42. The discharge hole at the bottom of the crushing box body 31 is communicated with the material collecting box 42 through a pipeline.
The dust treatment mechanism 6 comprises a suction fan 61 and a dust bag 62 connected to the air outlet end of the suction fan 61, the air inlet end of the suction fan 61 is respectively connected with the screening box body 21 and the cooling box body 41 through pipelines, and dust in the screening box body 21 and the cooling box body 41 is sucked into the dust bag 62.
When in use, the electric equipment in the device is electrified, each electric equipment is started, a receiving hopper is arranged on the ground below the material collecting bin 43, the granular materials are added into the screening box body 21 from the feeding hopper 24 through a manual or spiral feeding machine, the granular materials fall onto the screen body 22 for screening, the granular materials without caking fall onto the bottom of the screening box body 21 through the screen body 22 and enter the material collecting bin 42 from the discharge port of the screening box body 21, the caked granular materials enter the crushing box body 31 through the discharge pipe 23, the caked granular materials are crushed through the crushing blades 34 and enter the material collecting bin 42 through the discharge port at the bottom of the crushing box body 31 through a pipeline, the granular materials in the material collecting bin 42 fall into the material collecting bin 43 through the spiral mesh pipe 44 and fall into the receiving hopper from the discharge port at the bottom of the material collecting bin 43, the water in the water tank 51 is cooled through the semiconductor condensing sheets 53, so that the air passing through the spiral cooling pipe 52 in the water tank 51 becomes cool, the suction pump 54 sucks cold air from the spiral cooling pipe 52 into the sieving box 21 and the cooling box 41 to ventilate the granules, and the suction fan 61 sucks dust generated in the sieving box 21 and the cooling box 41 into the dust bag 62. The dust treatment device is reasonable in structural design and convenient to use, can be used for cooling aggregate, can be used for cooling agglomerated aggregate after being smashed, is high in cooling efficiency and strong in practicability, can be used for cleaning dust in the aggregate from the aggregate through the dust treatment mechanism 6, and improves the quality of the aggregate.
Claims (10)
1. The utility model provides a granule cooling device is used in compound fertilizer production, includes frame (1), its characterized in that: a screening mechanism (2), a smashing mechanism (3) and a cooling box (4) are mounted on the rack (1), and a cooling mechanism (5) and a dust treatment mechanism (6) are arranged on one side of the rack (1); the smashing mechanism (3) is positioned on the left side of the screening mechanism (2), and the aggregate blocks screened by the screening mechanism (2) and bonded together are sent to the smashing mechanism (3) through a pipeline to be smashed; the cooling box (4) is positioned below the screening mechanism (2), the granular materials screened by the screening mechanism (2) enter the cooling box (4) to be cooled, the lower part of the smashing mechanism (3) is connected with the cooling box (4) through a pipeline, and the smashed granular materials are injected into the cooling box (4); the cooling mechanism (5) is connected with the screening mechanism (2) and the cooling box (4) through pipelines, and cold air is provided for the screening mechanism (2) and the cooling box (4) to cool the granules; the dust treatment mechanism (6) is connected with the screening mechanism (2) and the cooling box (4) through pipelines, and dust generated by the screening mechanism (2) and the cooling box (4) is treated.
2. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 1, wherein: screening mechanism (2) are including screening box (21), screening box (21) internal inclination is provided with screen frame (22), correspond the position with screen frame (22) lower extreme on screening box (21) outer wall and be equipped with discharging pipe (23), discharging pipe (23) other end with smash mechanism (3) and be connected.
3. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 2, wherein: and the top of the screening box body (21) is provided with a feeding hopper (24).
4. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 2, wherein: the screen body (22) is arranged in an arc shape.
5. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 1, wherein: smash mechanism (3) including smashing box (31), smash box (31) top and install motor (32), inside motor (32) output stretched into and smash box (31), motor (32) output was connected with rotation axis (33), and fixedly connected with smashes blade (34) on rotation axis (33).
6. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 1, wherein: the cooling box (4) comprises a cooling box body (41), a material collecting box (42) is installed on the inner wall of a top plate of the cooling box body (41), a material collecting bin (43) is installed on the inner wall of a bottom plate, a discharge hole of the material collecting bin (43) extends out of the cooling box body (41), and the material collecting box (42) is connected with the material collecting bin (43) through a plurality of spiral mesh pipes (44).
7. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 2, wherein: and a discharge hole at the bottom of the screening box body (21) is communicated with the material collecting box (42).
8. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 5, wherein: the discharge hole at the bottom of the crushing box body (31) is communicated with the material collecting box (42) through a pipeline.
9. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 1, wherein: cooling body (5) include water tank (51), install heliciform cooling tube (52) in water tank (51), and outside heliciform cooling tube (52) both ends all stretched out water tank (51), install a plurality of semiconductor condensation pieces (53) on water tank (51) inner wall bottom plate, aspirator pump (54) are installed to water tank (51) one side, and aspirator pump (54) end of breathing in is connected with heliciform cooling tube (52) one end, and the end of giving vent to anger is connected with screening box (21) and cooling box (41) respectively through the pipeline, provides cold air in to screening box (21) and cooling box (41).
10. A pellet cooling apparatus for the production of a compound fertilizer as set forth in claim 1, wherein: the dust treatment mechanism (6) comprises a suction fan (61) and a dust bag (62) connected to the air outlet end of the suction fan (61), the air suction end of the suction fan (61) is respectively connected with the screening box body (21) and the cooling box body (41) through pipelines, and dust in the screening box body (21) and the cooling box body (41) is sucked into the dust bag (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652297.5A CN111760641A (en) | 2020-07-08 | 2020-07-08 | Granular material cooling device for compound fertilizer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010652297.5A CN111760641A (en) | 2020-07-08 | 2020-07-08 | Granular material cooling device for compound fertilizer production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111760641A true CN111760641A (en) | 2020-10-13 |
Family
ID=72726127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010652297.5A Pending CN111760641A (en) | 2020-07-08 | 2020-07-08 | Granular material cooling device for compound fertilizer production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111760641A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658223A (en) * | 2012-05-29 | 2012-09-12 | 江苏瑞泰重型机械有限公司 | Energy-saving dry-method cement kiln cooler clinker crushing device |
| CN205966067U (en) * | 2016-07-19 | 2017-02-22 | 吴美英 | Environment -friendly engineering plastics smashes drying device |
| CN206838494U (en) * | 2017-05-31 | 2018-01-05 | 湖北美洋化肥科技有限公司 | A kind of chemical fertilizer, which shakes, sieves cooling system |
| CN108273634A (en) * | 2018-01-22 | 2018-07-13 | 郑东亮 | A kind of ground granulated blast furnace slag fine grinding device built in aggregate processing machine |
| CN108816337A (en) * | 2018-06-20 | 2018-11-16 | 江苏田大嫂肥料有限公司 | Composite heat transfer charging device |
| CN208653057U (en) * | 2018-05-28 | 2019-03-26 | 河南省三川豫龙农业科技有限公司 | A kind of compound fertilizer granules cooler |
| CN209991649U (en) * | 2019-05-21 | 2020-01-24 | 安徽柳燕堂食品有限公司 | Cooling device for production seasoning |
-
2020
- 2020-07-08 CN CN202010652297.5A patent/CN111760641A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658223A (en) * | 2012-05-29 | 2012-09-12 | 江苏瑞泰重型机械有限公司 | Energy-saving dry-method cement kiln cooler clinker crushing device |
| CN205966067U (en) * | 2016-07-19 | 2017-02-22 | 吴美英 | Environment -friendly engineering plastics smashes drying device |
| CN206838494U (en) * | 2017-05-31 | 2018-01-05 | 湖北美洋化肥科技有限公司 | A kind of chemical fertilizer, which shakes, sieves cooling system |
| CN108273634A (en) * | 2018-01-22 | 2018-07-13 | 郑东亮 | A kind of ground granulated blast furnace slag fine grinding device built in aggregate processing machine |
| CN208653057U (en) * | 2018-05-28 | 2019-03-26 | 河南省三川豫龙农业科技有限公司 | A kind of compound fertilizer granules cooler |
| CN108816337A (en) * | 2018-06-20 | 2018-11-16 | 江苏田大嫂肥料有限公司 | Composite heat transfer charging device |
| CN209991649U (en) * | 2019-05-21 | 2020-01-24 | 安徽柳燕堂食品有限公司 | Cooling device for production seasoning |
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| Date | Code | Title | Description |
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| 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 |
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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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201013 |
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| RJ01 | Rejection of invention patent application after publication |