CN210595722U - Printing sewage energy-saving treatment device - Google Patents
Printing sewage energy-saving treatment device Download PDFInfo
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- CN210595722U CN210595722U CN201921641105.XU CN201921641105U CN210595722U CN 210595722 U CN210595722 U CN 210595722U CN 201921641105 U CN201921641105 U CN 201921641105U CN 210595722 U CN210595722 U CN 210595722U
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- cylinder
- filter screen
- energy
- biological oxidation
- treatment device
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- 239000010865 sewage Substances 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000003647 oxidation Effects 0.000 claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 34
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 29
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000460 chlorine Substances 0.000 claims abstract description 27
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 27
- 238000009388 chemical precipitation Methods 0.000 claims abstract description 24
- 238000001556 precipitation Methods 0.000 claims abstract description 19
- 238000010248 power generation Methods 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 10
- 238000005276 aerator Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 3
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 230000009471 action Effects 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 239000003818 cinder Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
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- Treatment Of Water By Oxidation Or Reduction (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a printing sewage energy-saving treatment device, which comprises a water inlet hopper, a coarse filter cylinder, a physical precipitation cylinder, a chemical precipitation cylinder, a biological oxidation cylinder, a chlorine disinfection cylinder and a water outlet, wherein the water inlet hopper is arranged at the top of the coarse filter cylinder; the top parts of the biological oxidation cylinder and the chlorine disinfection cylinder are provided with solar power generation panels. The utility model carries out purification treatment on the sewage in a combined treatment mode, thereby avoiding water resource waste; in addition, the water transmission between each processing mechanism of the device utilizes the gravity energy and the solar energy, the energy consumption is low, the efficiency is high, the structure of the device is simple, the disassembly and the assembly are easy, and the device is suitable for being installed and used by taking a factory building as a unit.
Description
Technical Field
The utility model relates to a sewage treatment plant especially relates to a printing sewage energy-saving treatment device.
Background
Water is a precious resource on which humans rely for survival and development, also known as the "world of water" in the twenty-first century. The severity and importance of water problems has become increasingly common to all communities. At present, the fresh water resources in China are extremely in shortage, the per-capita fresh water resource amount is only 1/3 which is worth of the world on average, and in 660 cities in China, more than 400 cities are in water shortage, and 108 cities are in severe water shortage. Current water consumption mainly includes industrial water and domestic water, wherein in the printing industry, not only can consume a large amount of water, and still can produce a large amount of sewage that contains paper pulp, add auxiliary agent and dyestuff in printing and dyeing process, and still can produce washing wastewater after the printing, the concentration of pollutant all is higher relatively in these sewage, if directly arrange can cause the pollution to water and surrounding environment, but the unified processing of the emission of a large amount of sewage is more troublesome at present, and is with high costs, and is with low efficiency, therefore need to provide an energy-conserving processing apparatus of printing sewage urgently, in order to improve the present situation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an energy-saving printing sewage treatment device, which can solve the defects of high cost and low efficiency caused by the unified treatment of sewage treatment plants.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a printing sewage energy-saving treatment device, including water inlet hopper, thick filter cylinder, physical sedimentation cylinder, chemical sedimentation cylinder, biological oxidation cylinder, chlorine disinfection cylinder and delivery port, the water inlet hopper sets up in thick filter cylinder top, the thick filter cylinder bottom is through pipe connection physical sedimentation cylinder bottom, physical sedimentation cylinder upper portion is through pipe connection chemical sedimentation cylinder bottom, chemical sedimentation cylinder upper portion is through pipe connection biological oxidation cylinder bottom, biological oxidation cylinder sets up in physical sedimentation cylinder top, biological oxidation cylinder upper portion is through pipe connection chlorine disinfection cylinder, chlorine disinfection cylinder sets up in chemical sedimentation cylinder top, chlorine disinfection cylinder upper portion is through pipe connection delivery port; the guide pipes among the coarse filter cylinder, the physical precipitation cylinder, the chemical precipitation cylinder, the biological oxidation cylinder, the chlorine disinfection cylinder and the water outlet are all provided with electromagnetic valves, and the guide pipe of the chemical precipitation cylinder communicated with the biological oxidation cylinder is also provided with a water pump; and solar power generation panels are arranged at the tops of the biological oxidation cylinder and the chlorine disinfection cylinder.
As a preferred technical scheme of the utility model, the fill of intaking is the calabash form, the fill middle part of intaking is provided with first filter screen, first filter screen is along the upset of diametric (al) direction and the upset motor output shaft of trip shaft connection, the upset motor sets up in the middle part of the fill lateral wall of intaking, it is provided with first drain to intake fill lateral wall bottom.
As a preferred technical solution of the present invention, a second filter screen and a third filter screen are arranged inside the coarse filter cylinder, the second filter screen and the third filter screen are arranged in parallel and inclined with respect to the axis of the coarse filter cylinder, and the mesh number of the first filter screen, the second filter screen and the third filter screen is sequentially increased; the lower one end of second filter screen and third filter screen is connected respectively and is set up in second drain and the third drain of coarse filter cylinder lateral wall, coarse filter cylinder bottom is provided with the right angled triangle bottom plate.
As an optimal technical scheme of the utility model, first drain, second drain and third drain all are provided with the scum valve.
As a preferred technical scheme of the utility model, a first filter plate is arranged inside the physical precipitation cylinder, and the bottom of the physical precipitation cylinder is arc-shaped and is provided with a first slag discharge port; the chemical precipitation barrel is internally provided with a second filter plate, the bottom of the chemical precipitation barrel is arc-shaped and is provided with a second slag discharge port, and the first slag discharge port and the second slag discharge port are both provided with slag discharge valves.
As the utility model discloses an optimized technical scheme, the inside a plurality of layers of biomembranes that set up of biological oxidation section of thick bamboo, the even symmetry of biological oxidation section of thick bamboo lateral wall is provided with a plurality of aeration machine, the dilatation dish is connected through the blast pipe to the aeration machine, dilatation dish surface is provided with a plurality of exhaust seat.
As an optimal technical scheme of the utility model, chlorine disinfection section of thick bamboo top is provided with agitator motor, agitator motor output shaft power connection is located the inside stirring leaf of chlorine disinfection section of thick bamboo.
As an optimal technical scheme of the utility model, the battery is connected through the dc-to-ac converter electricity to the solar panel, the battery passes through single chip microcomputer controller electricity connection circuit board, each sediment valve, solenoid valve, water pump, upset motor and agitator motor are connected to the circuit board electricity.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
the utility model adopts the multi-layer filter screen and the filter plate to carry out primary physical treatment on the sewage, simultaneously utilizes the chemical precipitation method and the biological contact oxidation method to purify the treated water step by step, finally carries out sterilization and disinfection, and carries out purification treatment on the sewage in a combined treatment mode, thereby avoiding water resource waste and being beneficial to environmental protection; in addition, the water transmission between each processing mechanism of the device utilizes the gravity energy and the solar energy, the energy consumption is low, the efficiency is high, the structure of the device is simple, the disassembly and the assembly are easy, and the device is suitable for being installed and used by taking a factory building as a unit.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
wherein: 1. a water inlet hopper; 101. turning over a motor; 102. a first filter screen; 103. a first drain port; 2. a coarse filter cartridge; 201. a second sewage draining outlet; 202. a second filter screen; 203. a third sewage draining outlet; 204. a third filter screen; 205. a right triangle base plate; 3. a physical precipitation cylinder; 301. a first filter plate; 302. a first slag discharge port; 4. a chemical precipitation cartridge; 401. a second filter plate; 402. a second slag discharge port; 5. a biological oxidation cylinder; 501. an aerator; 502. a biofilm; 6. a chlorine disinfection cylinder; 601. a stirring motor; 602. stirring blades; 7. a water outlet; 8. a slag discharge valve; 9. an electromagnetic valve; 10. a water pump; 11. provided is a solar power generation panel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1, the utility model provides an energy-saving treatment device for printing sewage, which comprises a water inlet hopper 1, a coarse filter cylinder 2, a physical precipitation cylinder 3, a chemical precipitation cylinder 4, a biological oxidation cylinder 5, a chlorine disinfection cylinder 6 and a water outlet 7, wherein the water inlet hopper 1 is arranged at the top of the coarse filter cylinder 2, the bottom of the coarse filter cylinder 2 is connected with the bottom of the physical precipitation cylinder 3 through a conduit, the upper part of the physical precipitation cylinder 3 is connected with the bottom of the chemical precipitation cylinder 4 through a conduit, the upper part of the chemical precipitation cylinder 4 is connected with the bottom of the biological oxidation cylinder 5 through a conduit, the biological oxidation cylinder 5 is arranged at the top of the physical precipitation cylinder 3, the upper part of the biological oxidation cylinder 5 is connected with the chlorine disinfection cylinder 6 through a conduit, the chlorine disinfection cylinder 6 is arranged at; the guide pipes among the coarse filter cylinder 2, the physical precipitation cylinder 3, the chemical precipitation cylinder 4, the biological oxidation cylinder 5, the chlorine disinfection cylinder 6 and the water outlet 7 are all provided with electromagnetic valves 9, and the guide pipe of the chemical precipitation cylinder 4 communicated with the biological oxidation cylinder 5 is also provided with a water pump 10; the top of the biological oxidation cylinder 5 and the chlorine disinfection cylinder 6 are provided with a solar power generation panel 11.
The hopper 1 of intaking is the calabash form, and 1 middle part of the hopper of intaking is provided with first filter screen 102, and first filter screen 102 is along the output shaft of diametric (al) upset and trip shaft connection upset motor 101, and upset motor 101 sets up in 1 lateral wall middle part of the hopper of intaking, and 1 lateral wall bottom of the hopper of intaking is provided with first drain 103.
A second filter screen 202 and a third filter screen 204 are arranged in the coarse filter cylinder 2, the second filter screen 202 and the third filter screen 204 are arranged in parallel and are inclined relative to the axis of the coarse filter cylinder 2, and the mesh number of the first filter screen 102, the second filter screen 202 and the third filter screen 204 is increased progressively; the lower ends of the second filter screen 202 and the third filter screen 204 are respectively connected with a second sewage outlet 201 and a third sewage outlet 203 which are arranged on the outer side wall of the coarse filter cylinder 2, and the bottom of the coarse filter cylinder 2 is provided with a right-angled triangle bottom plate 205.
The first sewage draining outlet 103, the second sewage draining outlet 201 and the third sewage draining outlet 203 are all provided with a slag discharging valve 8.
A first filter plate 301 is arranged in the physical precipitation cylinder 3, and the bottom of the physical precipitation cylinder 3 is arc-shaped and is provided with a first slag discharge port 302; the inside second filter 401 that is provided with of chemical precipitation section of thick bamboo 4, chemical precipitation section of thick bamboo 4 bottom is the arc and is provided with second row cinder notch 402, and first row cinder notch 302 and second row cinder notch 402 all are provided with slag valve 8.
The biological oxidation cylinder 5 is internally provided with a plurality of layers of biological membranes 502, the side wall of the biological oxidation cylinder 5 is uniformly and symmetrically provided with a plurality of aerators 501, the aerators 501 are connected with a dilatation disc through exhaust pipes, and the surface of the dilatation disc is provided with a plurality of exhaust seats.
The top of the chlorine disinfection cylinder 6 is provided with a stirring motor 601, and the output shaft of the stirring motor 601 is in power connection with a stirring blade 602 positioned inside the chlorine disinfection cylinder 6.
The solar power generation board 11 is electrically connected with a storage battery through an inverter, the storage battery is electrically connected with a circuit board through a single chip microcomputer controller, and the circuit board is electrically connected with the slag discharge valves 8, the electromagnetic valve 9, the water pump 10, the overturning motor 101 and the stirring motor 601.
The specific working principle is as follows: sewage enters a water inlet hopper 1, is filtered by a first filter screen 102 and then enters a coarse filter cylinder 2, sequentially passes through a second filter screen 202 and a third filter screen 204 under the action of gravity and then enters the bottom of a physical precipitation cylinder 3 for precipitation, impurities in the water are precipitated downwards and can be discharged through a first slag discharge port 302, cleaner water above a first filter screen 301 enters the bottom of a chemical precipitation cylinder 4 under the action of gravity, suspended matters in the water are condensed into larger particles or blocks under the action of a flocculating agent in the chemical precipitation cylinder 4, the larger particles or blocks are precipitated at the bottom of the cylinder and can be discharged through a second slag discharge port 402, cleaner water above a second filter screen 401 enters the bottom of a biological oxidation cylinder 5 under the action of a water pump and is purified by a biological membrane 502, during the period, each aerator 501 is opened to provide sufficient oxygen, and then the water subjected to biological contact oxidation enters a chlorine disinfection cylinder 6 under the action of gravity, fully mixed under the action of the stirring mechanism, and discharged through a water outlet 7 after being disinfected. (when the garbage is accumulated on the first filter screen 102 to a set weight, the overturning motor 101 drives the first filter screen 102 to overturn anticlockwise, the slag discharging valve 8 is opened, the garbage is discharged from the first sewage discharging port 103; when the garbage is accumulated on the second filter screen 202 and the third filter screen 204 to a certain set weight, the second sewage discharging port 201 and the third sewage discharging port 203 are opened, and the garbage is discharged).
The utility model discloses a multilayer filter screen and filter carry out elementary physical treatment to sewage, utilize chemical precipitation method and biological contact oxidation method to carry out the substep to purify the water after handling simultaneously, disinfect the disinfection at last again to the combination formula mode of handling carries out purification treatment to sewage, has avoided the water waste, is favorable to environmental protection.
In addition, the water transmission between each processing mechanism of the device utilizes the gravity energy and the solar energy, the energy consumption is low, the efficiency is high, the structure of the device is simple, the disassembly and the assembly are easy, and the device is suitable for being installed and used by taking a factory building as a unit.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (8)
1. The energy-saving printing sewage treatment device comprises a water inlet hopper (1), a rough filtering cylinder (2), a physical precipitation cylinder (3), a chemical precipitation cylinder (4), a biological oxidation cylinder (5), a chlorine disinfection cylinder (6) and a water outlet (7), and is characterized in that the water inlet hopper (1) is arranged at the top of the rough filtering cylinder (2), the bottom of the rough filtering cylinder (2) is connected with the bottom of the physical precipitation cylinder (3) through a conduit, the upper part of the physical precipitation cylinder (3) is connected with the bottom of the chemical precipitation cylinder (4) through a conduit, the upper part of the chemical precipitation cylinder (4) is connected with the bottom of the biological oxidation cylinder (5) through a conduit, the biological oxidation cylinder (5) is arranged at the top of the physical precipitation cylinder (3), the upper part of the biological oxidation cylinder (5) is connected with the chlorine disinfection cylinder (6) through a conduit, the chlorine disinfection cylinder (6) is arranged at the top, the upper part of the chlorine disinfection cylinder (6) is connected with a water outlet (7) through a conduit; the guide pipes among the coarse filter cylinder (2), the physical precipitation cylinder (3), the chemical precipitation cylinder (4), the biological oxidation cylinder (5), the chlorine disinfection cylinder (6) and the water outlet (7) are all provided with electromagnetic valves (9), and the guide pipe of the chemical precipitation cylinder (4) communicated with the biological oxidation cylinder (5) is also provided with a water pump (10); and solar power generation panels (11) are arranged at the tops of the biological oxidation cylinder (5) and the chlorine disinfection cylinder (6).
2. The energy-saving printing sewage treatment device according to claim 1, wherein the water inlet hopper (1) is gourd-shaped, a first filter screen (102) is arranged in the middle of the water inlet hopper (1), the first filter screen (102) is turned in the diameter direction, the turning shaft is connected with an output shaft of a turning motor (101), the turning motor (101) is arranged in the middle of the outer side wall of the water inlet hopper (1), and a first drain outlet (103) is arranged at the bottom of the outer side wall of the water inlet hopper (1).
3. The energy-saving printing sewage treatment device according to claim 2, wherein a second filter screen (202) and a third filter screen (204) are arranged in the coarse filter cylinder (2), the second filter screen (202) and the third filter screen (204) are arranged in parallel and are inclined relative to the axis of the coarse filter cylinder (2), and the mesh numbers of the first filter screen (102), the second filter screen (202) and the third filter screen (204) are sequentially increased; the lower ends of the second filter screen (202) and the third filter screen (204) are respectively connected with a second sewage draining outlet (201) and a third sewage draining outlet (203) which are arranged on the outer side wall of the coarse filter cylinder (2), and the bottom of the coarse filter cylinder (2) is provided with a right-angled triangle bottom plate (205).
4. The energy-saving printing sewage treatment device according to claim 3, wherein the first sewage outlet (103), the second sewage outlet (201) and the third sewage outlet (203) are provided with a slag discharge valve (8).
5. The energy-saving treatment device for the printing sewage according to claim 4, wherein a first filter plate (301) is arranged inside the physical sedimentation cylinder (3), and the bottom of the physical sedimentation cylinder (3) is arc-shaped and is provided with a first slag discharge port (302); the chemical precipitation barrel (4) is internally provided with a second filter plate (401), the bottom of the chemical precipitation barrel (4) is arc-shaped and is provided with a second slag discharge port (402), and the first slag discharge port (302) and the second slag discharge port (402) are both provided with slag discharge valves (8).
6. The energy-saving treatment device for the printing sewage according to claim 5, wherein a plurality of biological membranes (502) are arranged in the biological oxidation cylinder (5), a plurality of aerators (501) are uniformly and symmetrically arranged on the side wall of the biological oxidation cylinder (5), the aerators (501) are connected with a dilatation tray through exhaust pipes, and a plurality of exhaust seats are arranged on the surface of the dilatation tray.
7. The energy-saving treatment device for the printing sewage according to claim 6, characterized in that a stirring motor (601) is arranged at the top of the chlorine disinfection cylinder (6), and an output shaft of the stirring motor (601) is in power connection with a stirring blade (602) positioned inside the chlorine disinfection cylinder (6).
8. The energy-saving treatment device for the printing sewage according to claim 7, wherein the solar power generation panel (11) is electrically connected with a storage battery through an inverter, the storage battery is electrically connected with a circuit board through a single chip microcomputer controller, and the circuit board is electrically connected with each slag discharge valve (8), the electromagnetic valve (9), the water pump (10), the overturning motor (101) and the stirring motor (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641105.XU CN210595722U (en) | 2019-09-29 | 2019-09-29 | Printing sewage energy-saving treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921641105.XU CN210595722U (en) | 2019-09-29 | 2019-09-29 | Printing sewage energy-saving treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN210595722U true CN210595722U (en) | 2020-05-22 |
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ID=70716719
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921641105.XU Active CN210595722U (en) | 2019-09-29 | 2019-09-29 | Printing sewage energy-saving treatment device |
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| Country | Link |
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| CN (1) | CN210595722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977843A (en) * | 2020-08-18 | 2020-11-24 | 翁璐 | Integrated sewage treatment garbage collection device |
-
2019
- 2019-09-29 CN CN201921641105.XU patent/CN210595722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977843A (en) * | 2020-08-18 | 2020-11-24 | 翁璐 | Integrated sewage treatment garbage collection device |
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| CP01 | Change in the name or title of a patent holder |
Address after: Erlongshan Avenue, Jinshawan section, Hukou high tech Industrial Park, Jiujiang City, Jiangxi Province Patentee after: Jiangxi Zhewei New Materials Technology Co.,Ltd. Address before: Erlongshan Avenue, Jinshawan section, Hukou high tech Industrial Park, Jiujiang City, Jiangxi Province Patentee before: Jiangxi Ruwei New Material Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |