CN108191185B - Energy-concerving and environment-protective sludge treatment equipment - Google Patents
Energy-concerving and environment-protective sludge treatment equipment Download PDFInfo
- Publication number
- CN108191185B CN108191185B CN201810107171.2A CN201810107171A CN108191185B CN 108191185 B CN108191185 B CN 108191185B CN 201810107171 A CN201810107171 A CN 201810107171A CN 108191185 B CN108191185 B CN 108191185B
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- sludge
- box
- mud
- push rod
- chamber
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- 239000010802 sludge Substances 0.000 title claims abstract description 105
- 238000001035 drying Methods 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000000746 purification Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000002912 waste gas Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000002023 wood Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims 13
- 239000002893 slag Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 10
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003818 cinder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides energy-saving and environment-friendly sludge treatment equipment, which relates to the field of environment-friendly equipment and comprises a sludge inlet box, wherein a push rod fixing seat is arranged at the top of the sludge inlet box, an electric push rod is arranged at the top of the sludge inlet box, the electric push rod and the push rod fixing seat are fixedly installed, a sludge inlet pipe is fixedly installed on the left side of the sludge inlet box, and a sludge outlet pipe is arranged at the bottom of the sludge inlet box. This energy-concerving and environment-protective sludge treatment equipment, through the scum room, can discharge partial impurity in the mud, the mud of getting rid of impurity is through promoting the chamber, it is rotatory to utilize the second motor to drive the rotation axis, make helical blade promote mud to arrange material pipe department and enter the drying chamber, through the second (mixing) shaft, can stir mud, can heat the disinfection to mud through heater strip and heating cabinet, through the suction fan, can extract the bad smell that produces in the mud to the exhaust purification incasement, through the exhaust purification case, can react degradation and the function of absorption stink purification to waste gas.
Description
Technical Field
The invention relates to the technical field of environment-friendly equipment, in particular to energy-saving and environment-friendly sludge treatment equipment.
Background
The continuous development and progress of the current society, the human factory is increasing, the generation of a large amount of sludge is often easily seen, the sludge contains a large amount of water, soil and other impurities, the sludge is a necessary product after sewage treatment in sewage treatment plants and sewage treatment, the untreated sludge is discharged into the environment, serious damage can be caused, secondary pollution is brought to water bodies and atmosphere, and serious consequences are brought to the ecological environment and human activities. The existing treatment equipment has no corresponding measures for treating the sludge, and the sludge is directly discharged to rivers, fields or other fields, so that the environment is polluted, sludge accumulation is easily caused, sludge and sludge water are discharged randomly, and great influence is caused to the rivers and the fields.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides energy-saving and environment-friendly sludge treatment equipment, and solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an energy-saving and environment-friendly sludge treatment device comprises a sludge inlet box, wherein an electric push rod is arranged at the top of the sludge inlet box, the top of the electric push rod is fixedly installed with a push rod fixing seat, a sludge inlet pipe is fixedly installed at the left side of the sludge inlet box, a sludge outlet pipe is arranged at the bottom of the sludge inlet box, a sludge discharge chamber is arranged at the bottom of the sludge inlet box, a first motor is arranged at the left side of the sludge discharge chamber, a first stirring shaft is arranged inside the sludge discharge chamber, a rotating shaft of the first motor penetrates through a left side plate of the sludge discharge chamber and is in transmission connection with the first stirring shaft through a coupler, first stirring blades are arranged on the upper side and the lower side of the first stirring shaft, a first filter screen is arranged inside the sludge discharge chamber, a sludge discharge pipe is arranged at the bottom of the sludge discharge chamber, a first sludge discharge pipe is arranged on the right side of the sludge discharge chamber, a lifting cavity is arranged, promote the right side in chamber and be provided with row's mud pipe, the bottom fixed mounting that promotes the chamber right side has the base, the top fixed mounting of base has the drying chamber, the one end of row's mud pipe extends to in the drying chamber, the inner wall of drying chamber is provided with the heat preservation, the top fixed mounting of drying chamber has the third motor, the inside of drying chamber is provided with the second (mixing) shaft, the pivot of third motor runs through the roof of drying chamber and is connected with second (mixing) shaft transmission through the shaft coupling, the surface of second (mixing) shaft is provided with second stirring leaf, the right side of drying chamber is provided with receipts mud case, the top fixed mounting who receives mud case has exhaust purification case.
Preferably, one end of the electric push rod extends into the mud inlet box, a wood plate is arranged inside the mud inlet box, and the wood plate is fixedly installed at one end of the electric push rod.
Preferably, the inside in promotion chamber is provided with the rotation axis, the surface of rotation axis is provided with helical blade, the top in promotion chamber is provided with the bearing frame, the top of rotation axis is provided with driven gear, the left side in promotion chamber is provided with the second motor, the upside of second motor is provided with the driving gear, and the pivot and the driving gear transmission of second motor are connected, the driving gear meshes with driven gear mutually.
Preferably, the bottom fixedly connected with cushion of heat preservation inner chamber, the top fixed mounting of cushion has the heating cabinet, be provided with the heater strip between heating cabinet and the heat preservation, the bottom on heating cabinet right side is provided with the second sludge discharge pipe, the one end that the heating cabinet was kept away from to the second sludge discharge pipe extends to the outside of heat preservation and extends to in the mud receiving box.
Preferably, the right side of drying chamber is provided with the aspiration channel, the one end of aspiration channel is provided with the second filter screen, the left side of exhaust-gas purification case is provided with the suction fan, the left end of exhaust-gas purification case is connected with the suction fan through the aspiration channel.
Preferably, the inside of exhaust gas purification case is provided with the bioreaction layer, the right side on bioreaction layer is provided with the active carbon adsorption layer, the right side of exhaust gas purification case is provided with the air-out grid.
(III) advantageous effects
The invention provides energy-saving and environment-friendly sludge treatment equipment. The method has the following beneficial effects:
1. this energy-concerving and environment-protective sludge treatment equipment, through first (mixing) shaft, can stir mud, through being equipped with the scum room, can discharge partial impurity in the mud, the mud of getting rid of impurity is through promoting the chamber, utilize second motor work to drive the driving gear, and the meshing of driving gear and driven gear, it is rotatory to drive the rotation axis, thereby utilize helical blade to promote mud to arrange material pipe department and enter the drying chamber, through the second (mixing) shaft, can stir mud, cooperation through heater strip and heating cabinet can heat the disinfection to mud, through the suction fan, can extract the bad smell that produces in the mud to the exhaust gas purification incasement, through the exhaust gas purification case, can react degradation and the function of absorption stink purification to waste gas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an exhaust gas purifying box according to the present invention.
In the figure: 1 into mud case, 2 into mud pipe, 3 row's cinder rooms, 4 first motors, 5 first (mixing) shafts, 6 first stirring leaf, 7 first filter screen, 8 row's cinder pipes, 9 first row's dredge pipe, 10 rotation axes, 11 promotion chamber, 12 heater strips, 13 heating cabinet, 14 cushion, 15, second row's dredge pipe, 16 bases, 17 receipts mud case, 18 waste gas purification casees, 181 biological reaction layer, 182 activated carbon adsorption layer, 183 air-out grid, 19 suction fan, 20 suction pipe, 21 second filter screen, 22 heat preservation, 23 second stirring leaf, 24 second (mixing) shafts, 25 third motors, 26 drying chamber, 27 row's dredge pipe, 28 helical blade, 29 bearing frame, 30 driven gear, 31 driving gear, 32 second motor, 33 play mud pipe, 34 push rod fixing base, 35 electric putter, 36 plank.
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.
The embodiment of the invention provides energy-saving and environment-friendly sludge treatment equipment, which comprises a sludge inlet box 1, wherein an electric push rod 35 is arranged at the top of the sludge inlet box 1, the top of the electric push rod 35 is fixedly arranged with a push rod fixing seat 34, when sludge enters the sludge inlet box 1 and cannot fall into a sludge discharge chamber 3 through the electric push rod 35, the electric push rod 35 can drive a wood plate 36 to stretch and push, one end of the electric push rod 35 extends into the sludge inlet box 1, the wood plate 36 is arranged inside the sludge inlet box 1, the sludge can be pushed and pressed through the wood plate 36 to be promoted to enter the sludge discharge chamber 3, the wood plate 36 is fixedly arranged with one end of the electric push rod 35, a sludge inlet pipe 2 is fixedly arranged at the left side of the sludge inlet box 1, a sludge outlet pipe 33 is arranged at the bottom of the sludge inlet box 1, the sludge discharge chamber 3 is arranged at the bottom of the sludge inlet box 1, and partial impurities in the sludge can be discharged through the sludge discharge chamber, the sludge removing device comprises sludge for removing impurities, wherein a first motor 4 is arranged on the left side of a deslagging chamber 3, a first stirring shaft 5 is arranged inside the deslagging chamber 3, the sludge can be stirred through the first stirring shaft 5, a rotating shaft of the first motor 4 penetrates through a left side plate of the deslagging chamber 3 and is in transmission connection with the first stirring shaft 5 through a coupler, first stirring blades 6 are arranged on the upper side and the lower side of the first stirring shaft 5, a first filter screen 7 is arranged inside the deslagging chamber 3, impurities such as sewage in the sludge can be filtered through the first filter screen 7, a deslagging pipe 8 is arranged at the bottom of the deslagging chamber 3, a first deslagging pipe 9 is arranged on the right side of the deslagging chamber 3, a lifting cavity 11 is arranged on the right side of the first deslagging pipe 9, a rotating shaft 10 is arranged inside the lifting cavity 11, a spiral blade 28 is arranged on the surface of the rotating shaft 10, a bearing seat 29 is arranged at the top of the lifting cavity 11, a driven gear 30, the left side of the lifting cavity 11 is provided with a second motor 32, the upper side of the second motor 32 is provided with a driving gear 31, a rotating shaft of the second motor 32 is in transmission connection with the driving gear 31, the driving gear 31 is engaged with a driven gear 30, the right side of the lifting cavity 11 is provided with a sludge discharge conduit 27, the sludge with impurities removed passes through the lifting cavity 11, the driving gear 31 is driven by the second motor 32, and the driving gear 31 is engaged with the driven gear 30 to drive the rotating shaft 10 to rotate, so that the sludge is lifted to the sludge discharge conduit 27 by a helical blade 28 and enters the drying chamber 26, the bottom of the right side of the lifting cavity 11 is fixedly provided with a base 16, the top of the base 16 is fixedly provided with a drying chamber 26, the sludge can be dried through the drying chamber 26, the environment is not affected, the right side of the drying chamber 26 is provided with an air suction pipe 20, the left side of the waste gas purification box 18 is provided with a suction fan 19, the suction fan 19 can extract the unpleasant odor generated in the sludge into the waste gas purification box 18, the left end of the waste gas purification box 18 is connected with the suction fan 19 through a suction pipe 20, one end of a sludge discharge conduit 27 extends into a drying chamber 26, the inner wall of the drying chamber 26 is provided with a heat insulation layer 22, the heat loss can be prevented and the drying degree of the sludge is influenced by the heat insulation layer 22, the bottom of the inner cavity of the heat insulation layer 22 is fixedly connected with a cushion block 14, a space can be reserved between the heating box 13 and the heat insulation layer 22 through the cushion block 14, the heating wire 12 is installed, the top of the cushion block 14 is fixedly provided with the heating box 13, the heating wire 12 is arranged between the heating box 13 and the heat insulation layer 22, the sludge can be heated and disinfected through the matching of the heating wire 12 and the heating box 13, one end of the second sludge discharge pipe 15, which is far away from the heating box 13, extends to the outside of the heat insulation layer 22 and extends into the sludge collection box 17, the top of the drying chamber 26 is fixedly provided with a third motor 25, the inside of the drying chamber 26 is provided with a second stirring shaft 24, the sludge can be stirred through the second stirring shaft 24, so that the sludge can be uniform and can be uniformly dried, the rotating shaft of the third motor 25 penetrates through the top plate of the drying chamber 26 and is in transmission connection with the second stirring shaft 24 through a coupler, the surface of the second stirring shaft 24 is provided with a second stirring blade 23, the right side of the drying chamber 26 is provided with the sludge collection box 17, the top of the sludge collection box 17 is fixedly provided with an exhaust gas purification box 18, the exhaust gas purification box 18 can perform reaction degradation and odor adsorption purification functions on the exhaust gas, the inside of the exhaust gas purification box 18 is provided with a biological reaction layer 181, and the right side of the biological reaction, the biological reaction layer 181 and the activated carbon adsorption layer 182 have the functions of adsorbing, deodorizing and dedusting gas, and the right side of the waste gas purification box 18 is provided with an air outlet grid 183.
To sum up, this energy-concerving and environment-protective sludge treatment equipment, through first (mixing) shaft 5, can stir mud, through being equipped with scum room 3, can discharge partial impurity in the mud, the mud of getting rid of impurity is through promoting chamber 11, utilize second motor 32 work to drive driving gear 31, and the meshing of driving gear 31 and driven gear 30, it is rotatory to drive rotation axis 10, thereby utilize helical blade 28 to promote mud to arrange material pipe 27 department and enter drying chamber 26, through second (mixing) shaft 24, can stir mud, can heat the disinfection to mud through the cooperation of heater strip 12 and heating cabinet 13, through suction fan 19, can extract the foul smell that produces in the mud to in the exhaust gas purification case 18, and, through exhaust gas purification case 18, can react degradation and adsorb the function that the foul smell purifies to waste gas.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an energy-concerving and environment-protective sludge treatment equipment, includes into mud box (1), its characterized in that: the sludge discharging device is characterized in that an electric push rod (35) is arranged at the top of the sludge feeding box (1), the top of the electric push rod (35) is fixedly installed with a push rod fixing seat (34), a sludge feeding pipe (2) is fixedly installed at the left side of the sludge feeding box (1), a sludge discharging pipe (33) is arranged at the bottom of the sludge feeding box (1), a sludge discharging chamber (3) is arranged at the bottom of the sludge feeding box (1), a first motor (4) is arranged at the left side of the sludge discharging chamber (3), a first stirring shaft (5) is arranged inside the sludge discharging chamber (3), a rotating shaft of the first motor (4) penetrates through a left side plate of the sludge discharging chamber (3) and is in transmission connection with the first stirring shaft (5) through a coupler, first stirring blades (6) are arranged on the upper side and the lower side of the first stirring shaft (5), a first filter screen (7) is arranged inside the sludge discharging chamber (3), and a sludge discharging pipe (8) is arranged at the bottom of the sludge, the right side of the slag discharging chamber (3) is provided with a first sludge discharging pipe (9), the right side of the first sludge discharging pipe (9) is provided with a lifting cavity (11), the right side of the lifting cavity (11) is provided with a sludge discharging pipe (27), the bottom fixed mounting on the right side of the lifting cavity (11) is provided with a base (16), the top fixed mounting of the base (16) is provided with a drying chamber (26), one end of the sludge discharging pipe (27) extends into the drying chamber (26), the inner wall of the drying chamber (26) is provided with a heat preservation layer (22), the top fixed mounting of the drying chamber (26) is provided with a third motor (25), the inside of the drying chamber (26) is provided with a second stirring shaft (24), the rotating shaft of the third motor (25) penetrates through the top plate of the drying chamber (26) and is in transmission connection with the second stirring shaft (24) through a coupler, the surface of the second stirring shaft (24) is provided with a second, a sludge collecting box (17) is arranged on the right side of the drying chamber (26), and a waste gas purifying box (18) is fixedly arranged at the top of the sludge collecting box (17); one end of the electric push rod (35) extends into the mud inlet box (1), a wood plate (36) is arranged inside the mud inlet box (1), and the wood plate (36) and one end of the electric push rod (35) are fixedly installed; a rotating shaft (10) is arranged in the lifting cavity (11), a spiral blade (28) is arranged on the surface of the rotating shaft (10), a bearing seat (29) is arranged at the top of the lifting cavity (11), a driven gear (30) is arranged at the top of the rotating shaft (10), a second motor (32) is arranged on the left side of the lifting cavity (11), a driving gear (31) is arranged on the upper side of the second motor (32), a rotating shaft of the second motor (32) is in transmission connection with the driving gear (31), and the driving gear (31) is meshed with the driven gear (30); the bottom of the inner cavity of the heat-insulating layer (22) is fixedly connected with a cushion block (14), the top of the cushion block (14) is fixedly provided with a heating box (13), a heating wire (12) is arranged between the heating box (13) and the heat-insulating layer (22), the bottom of the right side of the heating box (13) is provided with a second sludge discharge pipe (15), and one end, far away from the heating box (13), of the second sludge discharge pipe (15) extends to the outside of the heat-insulating layer (22) and into a sludge receiving box (17); an air suction pipe (20) is arranged on the right side of the drying chamber (26), a second filter screen (21) is arranged at one end of the air suction pipe (20), an air suction fan (19) is arranged on the left side of the waste gas purification box (18), and the left end of the waste gas purification box (18) is connected with the air suction fan (19) through the air suction pipe (20); the inside of exhaust gas purification case (18) is provided with biological reaction layer (181), the right side on biological reaction layer (181) is provided with activated carbon adsorption layer (182), the right side of exhaust gas purification case (18) is provided with air-out grid (183).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107171.2A CN108191185B (en) | 2018-02-02 | 2018-02-02 | Energy-concerving and environment-protective sludge treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107171.2A CN108191185B (en) | 2018-02-02 | 2018-02-02 | Energy-concerving and environment-protective sludge treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108191185A CN108191185A (en) | 2018-06-22 |
| CN108191185B true CN108191185B (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810107171.2A Active CN108191185B (en) | 2018-02-02 | 2018-02-02 | Energy-concerving and environment-protective sludge treatment equipment |
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| Country | Link |
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| CN (1) | CN108191185B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640475A (en) * | 2018-07-18 | 2018-10-12 | 辽宁石油化工大学 | A kind of Novel pollution-free sludge dehydration device |
| CN108640476A (en) * | 2018-07-20 | 2018-10-12 | 福建美斯拓机械设备有限公司 | A kind of sludge recycling machine |
| CN109264958A (en) * | 2018-11-26 | 2019-01-25 | 张书志 | A kind of ocean sludge dewatering and solidifying device |
| CN109607752A (en) * | 2018-12-24 | 2019-04-12 | 安徽科技学院 | A kind of decanter type biological reaction pool of animal farm wastewater processing |
| CN113245115B (en) * | 2021-05-12 | 2022-05-27 | 安徽祥源科技股份有限公司 | Paint spray booth tail gas purification treatment system for filtering harmful substances |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101711371B1 (en) * | 2014-09-30 | 2017-03-02 | 권지영 | Food waste treating apparatus |
| CN107216012B (en) * | 2017-06-08 | 2020-11-20 | 浙江寰龙环境科技有限公司 | Sludge heating and drying system and method |
| CN107381989A (en) * | 2017-08-23 | 2017-11-24 | 郑州天舜电子技术有限公司 | Environmentally-friendly sludge processing unit |
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| CN108191185A (en) | 2018-06-22 |
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Effective date of registration: 20201223 Address after: 101300 No.20 Tuanjie Road, shaomaying village, Nanfaxin District, Shunyi District, Beijing Applicant after: Wang Wenqiang Address before: 233000 Room 201, unit three, building 15, Huaier village, traffic road, long Zi Hu District, Bengbu, Anhui Applicant before: Li Mingke |
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Effective date of registration: 20231101 Address after: Room 105, No. 63 Jinheng Street, Jinmayuan, Gaoliying Town, Shunyi District, Beijing, 101316 Patentee after: Beijing Senyue Technology Co.,Ltd. Address before: 101300 No.20 Tuanjie Road, shaomaying village, Nanfaxin District, Shunyi District, Beijing Patentee before: Wang Wenqiang |
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