CN107971292B - Grain dust removal equipment and dust removal method thereof - Google Patents
Grain dust removal equipment and dust removal method thereof Download PDFInfo
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- CN107971292B CN107971292B CN201711264602.8A CN201711264602A CN107971292B CN 107971292 B CN107971292 B CN 107971292B CN 201711264602 A CN201711264602 A CN 201711264602A CN 107971292 B CN107971292 B CN 107971292B
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- conveying belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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
- B07B1/04—Stationary flat screens
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- Chemical Kinetics & Catalysis (AREA)
- Adjustment And Processing Of Grains (AREA)
Abstract
The invention discloses grain dust removing equipment and a dust removing method thereof, wherein the grain dust removing equipment comprises a dust falling device, a dust removing device arranged on a support, a lower conveying belt and an upper conveying belt, the dust falling device is connected with a miscellaneous dust output end of the dust removing device through a gas channel, the upper conveying belt is arranged above the lower conveying belt through an obliquely arranged support rod, the conveying direction of the upper conveying belt is opposite to that of the lower conveying belt, the dust removing device is obliquely arranged between a grain input end of the lower conveying belt and a grain output end of the upper conveying belt, and a feeding and shunting device capable of shunting grains to be removed is arranged at a grain input end of the upper conveying belt. The grain dedusting equipment and the dedusting method thereof can remove impurities such as weeds and dust in grains, can collect the dust and the weeds, and do not pollute the environment.
Description
Technical Field
The invention belongs to the technical field of dust removing equipment, and particularly relates to grain dust removing equipment and a dust removing method thereof.
Background
The crops occupy an important position in production and life, and food guarantee is provided for the life of the masses of people. In the crop harvesting season, the grains are collected mechanically or manually by people, but weeds or shells of the grains are inevitably mixed in the grain collection process, and the grains are also polluted by dust, so that a lot of troubles are brought to people. Although the dust in the cereal can be got rid of to cereal dust collector on the market, its dust collection efficiency is low, influences the job schedule, and the dust that gets rid of moreover can not be fine realization dust fall and collect, causes environmental pollution.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides grain dedusting equipment and a dedusting method thereof, which can uninterruptedly remove impurities such as weeds, dust and the like in grains, have high dedusting efficiency, can collect the dust and the weeds, do not pollute the environment, are environment-friendly and are convenient to popularize.
The technical scheme is as follows: in order to achieve the purpose, the grain dust removing equipment comprises a dust falling device, a dust removing device arranged on a support, a lower conveying belt and an upper conveying belt, wherein the dust falling device is connected with a miscellaneous dust output end of the dust removing device through a gas channel;
the upper conveying belt is arranged above the lower conveying belt through a supporting rod which is arranged obliquely, and the conveying direction of the upper conveying belt is opposite to that of the lower conveying belt;
the dust collector slope sets up under between the cereal input of transmission band and the cereal output of last transmission band, and the cereal input of going up the transmission band is provided with the pan feeding diverging device that can shunt the cereal of waiting to remove dust.
Furthermore, dust collector is including connecting as an organic whole prismoid box and rectangle box, prismoid box is through the opening and the gas passage intercommunication of last bottom surface, prismoid box is through the opening and the rectangle box intercommunication of bottom surface down, and under the air current effect, miscellaneous dirt can float, flow in the rectangle box, and then get into prismoid box to along with gas passage intercommunication
An inclined grain sieve plate is arranged on the lower bottom surface of the rectangular box body, a feeding port is formed in the box wall of the rectangular box body close to the upper conveying belt, and the feeding port is arranged below the grain output end of the upper conveying belt; the grain sieve plate is characterized in that the upper edge of the grain sieve plate extends upwards in an inclined mode to form an upper extending plate, the box walls of the rectangular box bodies positioned at the lower edge of the grain sieve plate extend downwards to form a lower extending plate, the box walls of the rectangular box bodies positioned at two sides of the grain sieve plate extend downwards to form side extending plates, the upper extending plate extends to the position below the upper conveying belt, the lower edges of the lower extending plate and the two side extending plates extend to the position above the lower conveying belt, and the lower edges of the lower extending plate and the two side extending plates are in the same horizontal plane;
the inner wall of the rectangular box body is respectively provided with inclined baffles extending to the center of the rectangular box body, the four baffles are connected end to end into an integral structure, and fillets are arranged at the joints of the adjacent baffles.
Further, a fan is arranged between the lower conveying belt and the upper conveying belt and supported by a first U-shaped connecting rod on the support; the fan is matched with an air guide pipe, the air outlet end of the air guide pipe is connected with an outward expanding type air expanding cover, the air expanding cover is perpendicular to the grain sieve plate, and air blown out of the air expanding cover at least covers the whole grain sieve plate.
Furthermore, the dust falling device comprises a sinking tank, the gas channel is communicated with the upper part of the sinking tank, and the inner wall of the upper tank of the sinking tank is provided with a plurality of uniformly distributed spray headers;
the peripheral tank walls of the caisson are all provided with vent holes, the vent holes on the tank walls of the same caisson are linearly arranged, and the vent holes are distributed on the tank walls from the top part of the caisson;
the caisson is characterized in that gaps with openings at the upper ends are formed in the peripheral box walls of the caisson respectively, the gaps are independent of one another, an ash blocking layer is detachably arranged in each gap, and the upper end of each ash blocking layer extends out of the corresponding gap.
Further, the ash blocking layer comprises gauze and a supporting net rack, and the gauze wraps the supporting net rack.
Further, the feeding and shunting device is supported by a second U-shaped connecting rod; pan feeding diverging device includes material import and the reposition of redundant personnel passageway through the material passageway intercommunication, reposition of redundant personnel passageway slope sets up, the inside of reposition of redundant personnel passageway sets up at least one baffle, the baffle separates into a plurality of little reposition of redundant personnel passageways with the reposition of redundant personnel passageway, and the play thing end of reposition of redundant personnel passageway is to both sides expansion form.
Further, the cereal output of lower transmission band is provided with the cereal guide plate of downward sloping, the cereal delivery outlet of cereal guide plate is the shape of narrowing.
Furthermore, the side surface of the caisson is hinged with an open door, and the lower edge of the open door and the bottom surface of the caisson are arranged at a distance; the side of the caisson is also provided with a drain pipe communicated with the interior of the box body, and the water inlet end of the drain pipe is arranged between the lower edge of the door and the bottom surface of the caisson.
A dust removal method of grain dust removal equipment comprises the following steps of firstly, opening a lower transmission belt, an upper transmission belt and a fan, then pouring grains from a material inlet, rolling the grains into a diversion channel along a material channel to be diverted, then dropping the grains onto the upper transmission belt to be transported, enabling the grains to enter a dust removal device from a material inlet and drop onto a grain sieve plate, blowing foreign dust in the grains into a settling tank along with a gas channel under the action of wind blown by the fan in the process, dropping the grains after dust removal from the grain sieve plate (18) onto the lower transmission belt to be transported, and then transporting the grains to a grain guide plate, wherein workers can hold a bag to collect the grains at a grain outlet;
the miscellaneous dirt that gets into in the caisson falls under the wet effect of shower head spun water, drops to caisson bottom, and the worker is followed the door and is cleared away accumulational miscellaneous dirt, and unnecessary water is discharged to caisson outside from the drain pipe.
Has the advantages that: according to the grain dust removing equipment and the dust removing method thereof, the fed material shunting device can shunt grains, so that the grains can be uniformly distributed when the grains are conveyed to a grain sieve plate of the dust removing device through the upper conveying belt, the dust removing device can fully remove dust, the dust removing device can remove the miscellaneous dust in the grains under the cooperation of the fan and can convey the miscellaneous dust to the dust removing box, the dust removing and collecting of the miscellaneous dust are realized, the environment-friendly purpose is achieved, the continuity of dust removing can be realized through the lower conveying belt and the upper conveying belt in opposite conveying directions in the grain dust removing process, and the dust removing efficiency and the grain collecting efficiency are higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic sectional structure view of the dust removing device;
FIG. 3 is a cross-sectional view of a dust settling device;
FIG. 4 is an enlarged view of a portion of A of FIG. 3;
FIG. 5 is a diagram showing the connection between the dust removing device and the dust settling device;
FIG. 6 is a schematic structural diagram of a feed distribution device.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, a cereal dust collecting equipment, includes dust device, still includes dust collector, lower transmission band 6 and the last transmission band 7 of setting on support 1, dust device passes through gas passage 10 and is connected with dust collector's miscellaneous dirt output, and dust collector is used for detaching the miscellaneous dirt in the cereal, and dust collector can carry out the dust fall and collect miscellaneous dirt, prevents the polluted environment.
Go up conveying belt 7 and set up in conveying belt 6 top down through the bracing piece 33 that the slope set up, and the direction of transportation of going up conveying belt 7 is opposite with conveying belt 6's direction of transportation down, and the cereal initial end of blowing and the cereal after the dust removal are collected the end and all are last conveying belt 7 and conveying belt 6's homonymy down, reduce the occupation space of equipment, and the cereal blowing is all more convenient with the collection moreover.
Dust collector slope sets up under between the cereal input of transmission band 6 and the cereal output of last transmission band 7, and the cereal input of going up transmission band 7 is provided with the pan feeding diverging device that can treat the cereal reposition of redundant personnel that removes dust, and pan feeding diverging device can treat that the cereal that removes dust divides the reposition of redundant personnel.
Dust collector is including connecting as an organic whole prismoid box 9 and rectangle box 8, prismoid box 9 communicates with gas passage 10 through the opening of last bottom surface, prismoid box 9 communicates with rectangle box 8 through the opening of bottom surface down, and prismoid box 9 can guide the mixture of gas and miscellaneous dirt in the rectangle box 8 to gas passage 10.
An inclined grain sieve plate 18 is arranged on the lower bottom surface of the rectangular box body 8, a feeding port 28 is formed in the box wall of the rectangular box body 8 close to the upper conveying belt 7, and the feeding port 28 is arranged below the grain output end of the upper conveying belt 7 to ensure that grains can enter the rectangular box body 8 from the feeding port 28; the slope of the top edge of cereal sieve 18 upwards extends and forms extension board 32, is located the tank wall downwardly extending of the rectangular box 8 at the below edge of cereal sieve 18 forms extension board 30 down, is located the equal downwardly extending of tank wall of the rectangular box 8 of cereal sieve 18 both sides forms side extension board 31, it extends to the below of conveyer belt 7 to go up extension board 32, the lower limb of extension board 30 and two side extension boards 31 extends to conveyer belt 6 top down, and the lower limb of extension board 30 and two side extension boards 31 is in same horizontal plane down, goes up extension board 32, extends board 30 and two side extension boards 31 homoenergetic and prevents the spill of cereal to avoid causing the loss.
The inner wall of the rectangular box body 8 is provided with inclined baffles 29 and four baffles 29, the inclined baffles extend to the center of the rectangular box body 8, the baffles 29 are connected end to form an integral structure, the joints of the adjacent baffles 29 are rounded, the dust floats and flows in the rectangular box body 8, the baffles 29 can block the falling dust, the dust enters the gas channel 10, and the rounded corners of the joints are processed to reduce the resistance of wind.
A fan 3 is arranged between the lower conveying belt 6 and the upper conveying belt 7, and the fan 3 is supported by a first U-shaped connecting rod 2 on the bracket 1; the air blower 3 is matched with an air guide pipe 4, the air outlet end of the air guide pipe 4 is connected with an outward expanding type air expansion cover 5, the air expansion cover 5 is perpendicular to the grain sieve plate 18, the air blown out from the air expansion cover 5 at least covers the whole grain sieve plate 18, the range of the air blown out from the air expansion cover 5 is enlarged, and the grains on the grain sieve plate 18 are thoroughly dedusted.
The dust falling device comprises a caisson 13, the gas channel 10 is communicated with the upper part of the caisson 13, a plurality of spray heads 23 which are uniformly distributed are arranged on the inner wall of the upper box of the caisson 13, and the spray heads 23 are used for wetting miscellaneous dust to enable the miscellaneous dust to fall to the bottom of the caisson 13.
The peripheral tank walls of the caisson 13 are all provided with vent holes 12, the vent holes 12 on the tank wall of the caisson 13 are linearly arranged, the vent holes 12 are distributed on the tank wall from the top part of the caisson 13, and the vent holes 12 are used for realizing the convection of gas.
The upper end open-ended clearance 24, four have still been seted up respectively on the tank wall all around of caisson 13 mutually independent between the clearance 24, can dismantle in the clearance 24 and be provided with ash blocking layer 11, ash blocking layer 11 can block miscellaneous dirt and flow out from air vent 12, the setting of clearance 24 is stretched out to ash blocking layer 11's upper end, and the convenience is more shifted ash layer 11.
The feeding and distributing device is supported by a second U-shaped connecting rod 17; pan feeding diverging device includes material import 20 and reposition of redundant personnel passageway 21 through material passageway 25 intercommunication, reposition of redundant personnel passageway 21 slope sets up, the inside of reposition of redundant personnel passageway 21 sets up at least one baffle 26, baffle 26 separates into a plurality of little reposition of redundant personnel passageways 27 with reposition of redundant personnel passageway 21, and the play thing end of reposition of redundant personnel passageway 21 is to both sides expansion form, shunts cereal, makes the cereal that drops from reposition of redundant personnel passageway 21 evenly distributed on last transmission band 7, and then makes the cereal of transporting to grain sieve 18 from last transmission band 7 reach the abundant purpose of dust removal.
The cereal output of lower transmission band 6 is provided with the cereal guide plate 15 of downward sloping, cereal delivery outlet 16 of cereal guide plate 15 is the narrowing form, the collection of the cereal after the dust removal of being convenient for.
The side surface of the caisson 13 is hinged with a door 14, so that accumulated dust can be cleaned out in time, and the lower edge of the door 14 is arranged at a distance from the bottom surface of the caisson 13; the side of the caisson 13 is also provided with a drain pipe 22 communicated with the interior of the caisson, the water inlet end of the drain pipe 22 is arranged between the lower edge of the door 14 and the bottom surface of the caisson 13, and the drain pipe 22 discharges the excess water.
A dedusting method of grain dedusting equipment comprises the following steps that firstly, a lower conveying belt 6, an upper conveying belt 7 and a fan 3 are started, grains are poured into the grain dedusting equipment from a material inlet 20, the grains roll down to a diversion channel 21 along a material channel 25 to be diverted and then fall onto the upper conveying belt 7 to be transported, the grains enter a dedusting device from a material inlet 28 and fall onto a grain sieve plate 18, in the process, under the action of wind blown by the fan 3, miscellaneous dust in the grains is blown into a sinking tank 13 along with a gas channel 10, the grains after dedusting fall onto the lower conveying belt 6 from the grain sieve plate 18 to be transported and then are transported to a grain guide plate 15, and workers can take a bag to collect the grains at a grain output port 16;
the dust entering the caisson 13 falls to the bottom of the caisson 13 under the wetting action of the water sprayed from the spray header 23, the worker cleans the accumulated dust from the door 14, and the excess water is discharged to the outside of the caisson 13 through the drain pipe 22.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (7)
1. A kind of grain dust-collecting equipment, characterized by: the dust-settling device is connected with a dust output end of the dust-settling device through a gas channel (10);
the upper conveying belt (7) is arranged above the lower conveying belt (6) through a supporting rod (33) which is arranged in an inclined mode, and the conveying direction of the upper conveying belt (7) is opposite to that of the lower conveying belt (6);
the dedusting device is obliquely arranged between the grain input end of the lower conveying belt (6) and the grain output end of the upper conveying belt (7), and the grain input end of the upper conveying belt (7) is provided with a feeding and shunting device capable of shunting grains to be dedusted;
the dust removal device comprises a prismoid box body (9) and a rectangular box body (8) which are connected into a whole, the prismoid box body (9) is communicated with a gas channel (10) through an opening on the upper bottom surface, and the prismoid box body (9) is communicated with the rectangular box body (8) through an opening on the lower bottom surface;
an inclined grain sieve plate (18) is arranged on the lower bottom surface of the rectangular box body (8), a feeding port (28) is formed in the box wall of the rectangular box body (8) close to the upper conveying belt (7), and the feeding port (28) is arranged below the grain output end of the upper conveying belt (7); the grain sieve plate (18) is characterized in that the upper edge of the grain sieve plate (18) extends upwards in an inclined mode to form an upper extending plate (32), the box walls of the rectangular box bodies (8) positioned at the lower edge of the grain sieve plate (18) extend downwards to form a lower extending plate (30), the box walls of the rectangular box bodies (8) positioned at two sides of the grain sieve plate (18) extend downwards to form side extending plates (31), the upper extending plate (32) extends to the lower portion of the upper conveying belt (7), the lower edges of the lower extending plate (30) and the two side extending plates (31) extend to the upper portion of the lower conveying belt (6), and the lower edges of the lower extending plate (30) and the two side extending plates (31) are in the same horizontal plane;
the inner walls of the rectangular box bodies (8) are respectively provided with inclined baffles (29) extending towards the centers of the rectangular box bodies (8), the four baffles (29) are connected end to form an integral structure, and the joints of the adjacent baffles (29) are all subjected to fillet treatment;
a fan (3) is arranged between the lower conveying belt (6) and the upper conveying belt (7), and the fan (3) is supported by a first U-shaped connecting rod (2) on the bracket (1); the air guide pipe (4) is matched with the fan (3), the air outlet end of the air guide pipe (4) is connected with an outward-expanding type air expansion cover (5), the air expansion cover (5) is perpendicular to the grain sieve plate (18), and the air blown out from the air expansion cover (5) at least covers the whole grain sieve plate (18).
2. A grain dusting apparatus according to claim 1, characterized in that: the dust falling device comprises a caisson (13), the gas channel (10) is communicated with the upper part of the caisson (13), and the inner wall of the upper caisson of the caisson (13) is provided with a plurality of uniformly distributed spray headers (23);
the peripheral tank walls of the caisson (13) are all provided with vent holes (12), the vent holes (12) on the tank wall of the same caisson (13) are linearly arranged, and the vent holes (12) are distributed on the tank wall from the top part of the caisson (13);
the upper end open-ended clearance (24), four still seted up on the tank wall all around of caisson (13) respectively mutually independent between clearance (24), can dismantle in clearance (24) and be provided with ash blocking layer (11), the upper end on ash blocking layer (11) stretches out clearance (24) and sets up.
3. A grain dusting apparatus according to claim 2, characterized in that: ash blocking layer (11) include gauze (111) and support rack (112), gauze (111) parcel support rack (112) set up.
4. A grain dusting apparatus according to claim 2, characterized in that: the feeding and distributing device is supported by a second U-shaped connecting rod (17); pan feeding diverging device includes material import (20) and reposition of redundant personnel passageway (21) through material passageway (25) intercommunication, reposition of redundant personnel passageway (21) slope sets up, the inside of reposition of redundant personnel passageway (21) sets up at least one baffle (26), baffle (26) are separated into a plurality of little reposition of redundant personnel passageways (27) with reposition of redundant personnel passageway (21), and the play thing end of reposition of redundant personnel passageway (21) is to both sides expansion form.
5. A grain dusting apparatus according to claim 4, characterized in that: the cereal output of lower transmission band (6) is provided with cereal guide plate (15) of downward sloping, cereal delivery outlet (16) of cereal guide plate (15) are the shape of narrowing down.
6. A grain dusting apparatus according to claim 5, characterized in that: the side surface of the caisson (13) is hinged with a door (14), and the lower edge of the door (14) and the bottom surface of the caisson (13) are arranged at a distance; the side of the caisson (13) is also provided with a drain pipe (22) communicated with the interior of the caisson body, and the water inlet end of the drain pipe (22) is arranged between the lower edge of the door (14) and the bottom surface of the caisson (13).
7. The method of claim 6, wherein: firstly, a lower conveying belt (6), an upper conveying belt (7) and a fan (3) are started, then grains are poured from a material inlet (20), the grains roll down to a shunting passage (21) along a material passage (25) and are shunted, and then fall onto the upper conveying belt (7) and are conveyed, the grains enter a dust removal device from a material inlet (28) and fall onto a grain sieve plate (18), in the process, under the action of wind blown by the fan (3), miscellaneous dust in the grains is blown into a settling tank (13) along with a gas passage (10), the grains after dust removal fall onto the lower conveying belt (6) from the grain sieve plate (18) and are conveyed, and then are conveyed to a grain guide plate (15), and workers can take bags to collect the grains at a grain output port (16);
the dust entering the caisson (13) falls to the bottom of the caisson (13) under the wetting action of the water sprayed by the spray head (23), the worker cleans the accumulated dust from the door (14), and the redundant water is discharged to the outside of the caisson (13) from the drain pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264602.8A CN107971292B (en) | 2017-12-05 | 2017-12-05 | Grain dust removal equipment and dust removal method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711264602.8A CN107971292B (en) | 2017-12-05 | 2017-12-05 | Grain dust removal equipment and dust removal method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107971292A CN107971292A (en) | 2018-05-01 |
| CN107971292B true CN107971292B (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711264602.8A Active CN107971292B (en) | 2017-12-05 | 2017-12-05 | Grain dust removal equipment and dust removal method thereof |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101175545B1 (en) * | 2010-06-14 | 2012-08-22 | 유한회사 호남산업 | Dust gathering apparatus for grain drier |
| CN105251753A (en) * | 2015-12-02 | 2016-01-20 | 吕萍华 | Novel cereal dust removal device |
| CN105815442B (en) * | 2016-04-19 | 2019-08-09 | 广德县誓节镇文才水稻种植家庭农场 | A kind of grain tedding machine |
| CN206405110U (en) * | 2016-07-26 | 2017-08-15 | 北京航信伟业保温科技有限公司 | A kind of air duct board dust arrester |
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2017
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| CN107971292A (en) | 2018-05-01 |
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Effective date of registration: 20230525 Address after: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: Dragon totem Technology (Hefei) Co.,Ltd. Address before: 213168 Xinzhong Road, Wujin District, Changzhou, Jiangsu Province, No. 22 Patentee before: CHANGZHOU College OF INFORMATION TECHNOLOGY |
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Effective date of registration: 20230602 Address after: Room 1-3, Enterprise Service Center, Middle Section of Jinlong Avenue, Wuyangba Street, Enshi City, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province 445000 Patentee after: Enshi Anbesen Technology Service Co.,Ltd. Address before: 230000 floor 1, building 2, phase I, e-commerce Park, Jinggang Road, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee before: Dragon totem Technology (Hefei) Co.,Ltd. Effective date of registration: 20230602 Address after: 445500 Room 201, Floor 2, Building 2, Jiaoyuan Village, Jiaoyuan Town, Xuan'en County, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province Patentee after: Xuanen County Nongtexin Agricultural Development Co.,Ltd. Address before: Room 1-3, Enterprise Service Center, Middle Section of Jinlong Avenue, Wuyangba Street, Enshi City, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province 445000 Patentee before: Enshi Anbesen Technology Service Co.,Ltd. |
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