CN112441646A - Sewage treatment device - Google Patents
Sewage treatment device Download PDFInfo
- Publication number
- CN112441646A CN112441646A CN202011411366.XA CN202011411366A CN112441646A CN 112441646 A CN112441646 A CN 112441646A CN 202011411366 A CN202011411366 A CN 202011411366A CN 112441646 A CN112441646 A CN 112441646A
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- Prior art keywords
- water
- tube
- vacuum ultraviolet
- voltage
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 239000007789 gas Substances 0.000 claims description 22
- 239000011261 inert gas Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 6
- 150000004820 halides Chemical class 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- GKUXZDSXCFGSFF-UHFFFAOYSA-N [Xe]I Chemical compound [Xe]I GKUXZDSXCFGSFF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- ILFGODHCYAHKOR-UHFFFAOYSA-N dibromoxenon Chemical compound Br[Xe]Br ILFGODHCYAHKOR-UHFFFAOYSA-N 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- HGCGQDMQKGRJNO-UHFFFAOYSA-N xenon monochloride Chemical compound [Xe]Cl HGCGQDMQKGRJNO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 8
- 244000005700 microbiome Species 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- 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)
- Physical Water Treatments (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a sewage treatment device, which comprises a vacuum ultraviolet tube, a high-frequency high-voltage power supply and a water sleeve, wherein the vacuum ultraviolet tube is only provided with an inner electrode and is not provided with an outer electrode, the vacuum ultraviolet tube is arranged in the water sleeve, the vacuum ultraviolet tube adopts a sleeve structure, the inner electrode of the vacuum ultraviolet tube is a high-voltage electrode and is arranged in the sleeve structure, the high-voltage output end of the high-frequency high-voltage power supply is connected with the high-voltage electrode of the vacuum ultraviolet tube, and the grounding end of the high-frequency high-voltage power supply is inserted into the water sleeve or is electrically connected into the water sleeve through a water. The sewage treatment device provided by the invention can disinfect microorganisms, bacteria and the like in water, and can decompose organic matters in the water, thereby achieving the effect of purifying water quality; when the sewage treatment device is used in the aquarium, the water quality in the aquarium can be ensured to be clean.
Description
Technical Field
The invention belongs to the technical field of water treatment, and particularly relates to a sewage treatment device.
Background
The existing water treatment equipment is various in types, but has the common characteristic that microorganisms and organic pollutants in water cannot be thoroughly treated.
Disclosure of Invention
The invention aims to provide a sewage treatment device to solve the problem of thoroughly removing microorganisms and organic pollutants in water aiming at the defects.
A sewage treatment device comprises a vacuum ultraviolet tube, a high-frequency high-voltage power supply and a water sleeve, wherein the vacuum ultraviolet tube is only provided with an inner electrode and is not provided with an outer electrode, the vacuum ultraviolet tube is arranged in the water sleeve, the vacuum ultraviolet tube adopts a sleeve structure, the inner electrode of the vacuum ultraviolet tube is a high-voltage electrode and is arranged in the sleeve structure, the high-voltage output end of the high-frequency high-voltage power supply is connected with the high-voltage electrode of the vacuum ultraviolet tube, and the grounding end of the high-frequency high-voltage power supply is inserted into the water sleeve or is electrically connected into the water sleeve through a water body or.
The water outlet end of the water pump is connected with the water inlet of the water sleeve through a water pipe.
The water sleeve is vertically or obliquely arranged, the water inlet is positioned at the bottom of the water sleeve, the top of the water sleeve is of an open structure, the open structure is connected with the drainage structure, and preferably, the grounding end of the high-frequency high-voltage power supply is arranged at a position close to the open structure, so that the vacuum ultraviolet tube circuit is conducted when the water level reaches the grounding end;
or the water sleeve is also provided with a water outlet, the water inlet and the water outlet are positioned at two ends of the water sleeve, and the vacuum ultraviolet tube is positioned between the water inlet and the water outlet; preferably, the water jacket pipe is horizontally arranged, the grounding end of the high-frequency high-voltage power supply is arranged above the vacuum ultraviolet light tube, or the water jacket pipe is vertically arranged, and the grounding end of the high-frequency high-voltage power supply is arranged at a position close to the water outlet at the top.
The vacuum ultraviolet tube comprises an outer tube and an inner tube, wherein the outer tube and the inner tube are made of insulating materials, the outer tube is made of insulating materials capable of transmitting vacuum ultraviolet light, the inner tube is of a blind tube structure, the outer tube is sleeved outside the inner tube, a gap is reserved between the outer tube and the inner tube, the open end of the outer tube and the tube wall of the inner tube are connected in a sealing mode to form an air chamber, and working gas which is in an excitation state and emits vacuum ultraviolet light under the action of a high-frequency high-voltage electric field is filled; the high-voltage electrode is arranged in the inner tube.
The blind pipe structure is a cylindrical structure with one end closed and the other end open.
The high-voltage electrode is a conductive coating attached to the inner wall surface of the inner tube, or the high-voltage electrode is a conductive material filled in the inner tube, or the high-voltage electrode is a net structure, or the high-voltage electrode is a metal tube matched with the inner wall of the inner tube.
The inner pipe and the outer pipe are both circular pipes and are coaxially arranged.
The outer tube and the inner tube are made of quartz materials; the working gas is inert gas, halogen gas or halide of inert gas, wherein the inert gas is argon, xenon, helium and the like, the halogen gas is chlorine, bromine gas, iodine gas and the like, the halide of inert gas is xenon bromide, xenon chloride, xenon iodide and the like, or any mixture of the above gases can be adopted.
A plurality of vacuum ultraviolet light tubes are arranged in the water jacket tube side by side, and the vacuum ultraviolet light tubes are connected in parallel and are arranged in parallel.
The high-frequency high-voltage power supply is a power supply with the frequency of more than 20kHz and the output voltage of more than 350V, and the output voltage is preferably 1000V-2000V.
The sewage treatment device provided by the invention can disinfect microorganisms, bacteria and the like in water, and can decompose organic matters in the water, thereby achieving the effect of purifying water quality; because the outer electrode is not arranged, the design and manufacturing cost of the inner electrode and the outer electrode can be reduced, the risk of creepage and short circuit between the outer electrode and the inner electrode can be reduced, meanwhile, the outer electrode is not arranged, and the water body is connected with the grounding end by utilizing the conductive characteristic of the water body, so that the contact area of the vacuum ultraviolet light tube and the water can be increased, the water flow can not be interfered, and the shortest conductive loop can be automatically obtained by utilizing the water sleeve as the ground electrode through the conductive action of the water sleeve, so that the water body resistance is reduced; when the sewage treatment device is used in the aquarium, the water quality in the aquarium can be ensured to be clean.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a sewage treatment apparatus provided in an embodiment;
FIG. 2 is a schematic structural view of a sewage treatment apparatus according to an embodiment;
FIG. 3 is a schematic structural view of a sewage treatment apparatus according to an embodiment;
FIG. 4 is a schematic structural view of a sewage treatment apparatus according to an embodiment.
In the figure:
10. a vacuum ultraviolet light pipe; 11. an outer tube; 12. an inner tube;
20. a water jacket pipe; 21. a water inlet; 22. a water outlet; 23. a drainage structure;
30. a water pump;
40. an aquarium.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
Examples
As shown in fig. 1-3, this embodiment provides a sewage treatment device, which includes a vacuum ultraviolet tube 10 having only an inner electrode and no outer electrode, a high-frequency high-voltage power supply, a water jacket tube 20, and a water pump 30, wherein the water jacket tube is made of conductive metal material, the vacuum ultraviolet tube 10 is disposed in the water jacket tube 20, the vacuum ultraviolet tube adopts a jacket tube structure, the inner electrode of the vacuum ultraviolet tube is a high-voltage electrode and disposed in the jacket tube structure, a high-voltage output end of the high-frequency high-voltage power supply is connected with the high-voltage electrode of the vacuum ultraviolet tube 10, a water outlet end of the water pump 30 is connected with a water inlet of the water jacket tube 20 through a water pipe, and the high-frequency high-voltage: firstly, the grounding end of a high-frequency high-voltage power supply is inserted into the water sleeve 20, and when water is filled in the water sleeve, the water body is a conductor, so that a loop is formed between the water body serving as a ground electrode and a high-voltage electrode of the vacuum ultraviolet light tube, and the vacuum ultraviolet light tube is excited; the grounding end of the high-frequency high-voltage power supply can be arranged in the water body outside the water sleeve, and the water body can be communicated with the inside of the water sleeve through a pipeline, so that the water body surrounding the vacuum ultraviolet light tube can also be used as a ground electrode through the electric conduction function of the water body, and the vacuum ultraviolet light tube is further excited to work; the grounding terminal is arranged outside the vacuum ultraviolet tube 10, and since water is also a conductor, an electric field is formed between the water body around the vacuum ultraviolet tube and the high-voltage electrode to excite the working gas in the water-filled state, and only the electric field is formed between the grounding terminal and the high-voltage electrode in the water-unfilled state.
Or the grounding end of the high-frequency high-voltage power supply is connected to the metal outer wall or the metal inner wall of the water jacket pipe, an electric field is formed between the water body in the water jacket pipe and the high-voltage electrode through the conductive action of the metal wall, and due to the conductive characteristic of the metal wall of the water jacket pipe, the resistance of the water body can be effectively reduced, the shortest conductive path can be formed between the water body in the water jacket pipe and the high-voltage electrode, and the water jacket pipe is suitable for water bodies with different ion contents.
As shown in fig. 2, the water sleeve 20 is vertically or obliquely placed, wherein the water inlet 21 is located at the bottom of the water sleeve 20, the top of the water sleeve 20 is an open structure, and the open structure is connected with the drainage structure 23, so that the purified water can be drained to the outside or recycled, generally, the drainage structure can be a drainage tube or a drainage groove for guiding out the water overflowing from the top of the water sleeve 20, and preferably, the ground terminal of the high-frequency high-voltage power supply is arranged at a position close to the open structure, so that the vacuum ultraviolet light tube circuit is turned on when the water level is at the ground terminal;
as shown in fig. 3, the water jacket 20 is further provided with a water outlet 22, the water inlet 21 and the water outlet 22 are located at two ends of the water jacket, the vacuum ultraviolet tube 10 is located between the water inlet 21 and the water outlet 22, and the water jacket 20 can be placed horizontally or vertically; preferably, the water jacket pipe is horizontally arranged, the grounding end of the high-frequency high-voltage power supply is arranged above the vacuum ultraviolet light tube, or the water jacket pipe is vertically arranged, and the grounding end of the high-frequency high-voltage power supply is arranged at a position close to the water outlet at the top. It should be noted that the leading-out end of the high voltage electrode of the vacuum ultraviolet tube is usually positioned outside the water sleeve to ensure safety.
The vacuum ultraviolet tube 10 comprises an outer tube 11 and an inner tube 12, wherein the outer tube 11 and the inner tube 12 are both made of insulating materials, the outer tube 11 is made of insulating materials for transmitting vacuum ultraviolet light, the inner tube 12 is of a blind tube structure, the outer tube 11 can be of a blind tube structure or a cylindrical structure with two open ends, the outer tube 11 is sleeved outside the inner tube, a gap is reserved between the outer tube and the inner tube, the open end of the outer tube 11 and the wall of the inner tube 12 are hermetically connected to form an air chamber, and working gas which is in an excitation state and emits vacuum ultraviolet light under the action of a high-frequency high-voltage electric field is filled in; the high-voltage electrode 13 is arranged in the inner tube, and the high-voltage electrode 13 is led out from the opening end of the inner tube 12 and is connected with the high-voltage output end of the high-frequency high-voltage power supply. When the outer tube is also of a blind tube structure, an air chamber with a U-shaped section is formed between the outer tube and the inner tube, and the high-voltage electrode extends to the blind end of the inner tube 12, so that the end (blind end) of the vacuum ultraviolet tube can work, the use efficiency of a product is improved, the high-voltage electrode is further isolated through the double-layer insulation structure of the inner tube and the outer tube, and the possibility of creepage is avoided.
The blind pipe structure is a cylindrical structure with one end closed and the other end open.
The high voltage electrode 13 is a conductive coating attached to the inner wall surface of the inner tube, or the high voltage electrode 13 is a conductive material filled in the inner tube, or the high voltage electrode 13 is a net structure, or the high voltage electrode 13 is a metal tube matched with the inner wall of the inner tube.
The inner pipe 12 and the outer pipe 11 are both circular pipes and are arranged coaxially. The inner tube 12 and the outer tube 22 may also be an elliptical tube, a square tube, or the like, but in consideration of the manufacturing cost and the use effect, a coaxial circular tube is an optimal structural scheme, so that isotropy can be ensured, and the working efficiency is highest.
The outer tube 11 and the inner tube 12 are made of quartz materials; the working gas is inert gas, halogen gas or halide of inert gas, wherein the inert gas is argon, xenon, helium and the like, the halogen gas is chlorine, bromine gas, iodine gas and the like, the halide of inert gas is xenon bromide, xenon chloride, xenon iodide and the like, or any mixture of the above gases can be adopted.
As shown in fig. 4, a plurality of vacuum ultraviolet tubes are installed in the water jacket tube 20 side by side, and the vacuum ultraviolet tubes are arranged in parallel and parallel to each other.
The high-frequency high-voltage power supply is a power supply with the frequency of more than 20kHz and the output voltage of more than 350V, and the output voltage is preferably 1000V-2000V.
The embodiment also provides an aquarium 40 including the above-mentioned sewage treatment apparatus, wherein the inlet pipe of the water pump is inserted into the aquarium and the water flowing out of the water jacket 20 is delivered back into the aquarium 40. Wherein, the water of carrying the return water tank keeps the farther distance with the water intaking department of inlet tube to purify the water in the aquarium with greater efficiency. Since the sewage treatment apparatus for purification works separately from the water body, the growth of fish and aquatic plants in the aquarium is not affected when the aquarium is purified using the sewage treatment apparatus.
The sewage treatment device provided by the invention can disinfect microorganisms, bacteria and the like in water, and can decompose organic matters in the water, thereby achieving the effect of purifying water quality; when the sewage treatment device is used in the aquarium, the water quality in the aquarium can be ensured to be clean.
In summary, it is readily understood by those skilled in the art that the advantageous modes described above can be freely combined and superimposed without conflict.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A sewage treatment device is characterized by comprising a vacuum ultraviolet tube, a high-frequency high-voltage power supply and a water sleeve, wherein the vacuum ultraviolet tube is only provided with an inner electrode and is not provided with an outer electrode, the vacuum ultraviolet tube is arranged in the water sleeve and adopts a sleeve structure, the inner electrode of the vacuum ultraviolet tube is a high-voltage electrode and is arranged in the sleeve structure, the high-voltage output end of the high-frequency high-voltage power supply is connected with the high-voltage electrode of the vacuum ultraviolet tube, and the grounding end of the high-frequency high-voltage power supply is inserted into the water sleeve or is electrically connected into the water sleeve through a water body or is connected with the metal.
2. The wastewater treatment apparatus according to claim 1,
the water outlet end of the water pump is connected with the water inlet of the water sleeve through a water pipe.
3. The sewage treatment apparatus according to claim 1 or 2,
the water sleeve is vertically or obliquely arranged, the water inlet is positioned at the bottom of the water sleeve, the top of the water sleeve is of an open structure, the open structure is connected with the drainage structure, and preferably, the grounding end of the high-frequency high-voltage power supply is arranged at a position close to the open structure, so that the vacuum ultraviolet tube circuit is conducted when the water level reaches the grounding end;
or the water sleeve is also provided with a water outlet, the water inlet and the water outlet are positioned at two ends of the water sleeve, and the vacuum ultraviolet tube is positioned between the water inlet and the water outlet; preferably, the water jacket pipe is horizontally arranged, the grounding end of the high-frequency high-voltage power supply is arranged above the vacuum ultraviolet light tube, or the water jacket pipe is vertically arranged, and the grounding end of the high-frequency high-voltage power supply is arranged at a position close to the water outlet at the top.
4. The wastewater treatment apparatus according to claim 1,
the vacuum ultraviolet tube comprises an outer tube and an inner tube, wherein the outer tube and the inner tube are made of insulating materials, the outer tube is made of insulating materials capable of transmitting vacuum ultraviolet light, the inner tube is of a blind tube structure, the outer tube is sleeved outside the inner tube, a gap is reserved between the outer tube and the inner tube, the open end of the outer tube and the tube wall of the inner tube are connected in a sealing mode to form an air chamber, and working gas which is in an excitation state and emits vacuum ultraviolet light under the action of a high-frequency high-voltage electric field is filled; the high-voltage electrode is arranged in the inner tube.
5. The wastewater treatment apparatus according to claim 4,
the blind pipe structure is a cylindrical structure with one end closed and the other end open.
6. The wastewater treatment apparatus according to claim 4,
the high-voltage electrode is a conductive coating attached to the inner wall surface of the inner tube, or the high-voltage electrode is a conductive material filled in the inner tube, or the high-voltage electrode is a net structure, or the high-voltage electrode is a metal tube matched with the inner wall of the inner tube.
7. The wastewater treatment apparatus according to claim 4,
the inner pipe and the outer pipe are both circular pipes and are coaxially arranged.
8. The wastewater treatment apparatus according to claim 4,
the outer tube and the inner tube are made of quartz materials; the working gas is inert gas, halogen gas or halide of inert gas, wherein the inert gas is argon, xenon, helium and the like, the halogen gas is chlorine, bromine gas, iodine gas and the like, the halide of inert gas is xenon bromide, xenon chloride, xenon iodide and the like, or any mixture of the above gases can be adopted.
9. The wastewater treatment apparatus according to claim 4,
a plurality of vacuum ultraviolet light tubes are arranged in the water jacket tube side by side, and the vacuum ultraviolet light tubes are connected in parallel and are arranged in parallel.
10. The wastewater treatment apparatus according to claim 4,
the high-frequency high-voltage power supply is a power supply with the frequency of more than 20kHz and the output voltage of more than 350V, and the output voltage is preferably 1000V-2000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011411366.XA CN112441646A (en) | 2020-12-02 | 2020-12-02 | Sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011411366.XA CN112441646A (en) | 2020-12-02 | 2020-12-02 | Sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112441646A true CN112441646A (en) | 2021-03-05 |
Family
ID=74739594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011411366.XA Pending CN112441646A (en) | 2020-12-02 | 2020-12-02 | Sewage treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441646A (en) |
-
2020
- 2020-12-02 CN CN202011411366.XA patent/CN112441646A/en active Pending
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