CN210710836U - Air-float oil-water separator - Google Patents

Air-float oil-water separator Download PDF

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Publication number
CN210710836U
CN210710836U CN201921358486.0U CN201921358486U CN210710836U CN 210710836 U CN210710836 U CN 210710836U CN 201921358486 U CN201921358486 U CN 201921358486U CN 210710836 U CN210710836 U CN 210710836U
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CN
China
Prior art keywords
air
oil
cavity
chamber
flotation
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Expired - Fee Related
Application number
CN201921358486.0U
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Chinese (zh)
Inventor
王少荣
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Huzhou Xinluo Environmental Protection Equipment Co Ltd
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Huzhou Xinluo Environmental Protection Equipment Co Ltd
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Filing date
Publication date
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Priority to CN201921358486.0U priority Critical patent/CN210710836U/en
Application granted granted Critical
Publication of CN210710836U publication Critical patent/CN210710836U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an air supporting oil water separator, it includes box and oil collecting bucket, box one side is equipped with the water inlet, the box opposite side is equipped with delivery port and row oil pipe, be equipped with air supporting chamber and isolation chamber in the box, air supporting chamber top is equipped with the blow vent, isolation chamber is located the bottom in air supporting chamber, it is located air supporting chamber upper portion to arrange the oil pipe, air supporting chamber is linked together through row oil pipe and oil collecting bucket, the delivery port is located the lower part in air supporting chamber, air supporting intracavity is equipped with air knife and air float generator, air knife is located between oil pipe and the blow vent, air float generator is located air supporting chamber bottom, the delivery port is located air float generator side, it is equipped with the air pump to keep apart the intracavity, be equipped with communicating pipe on the air pump, the bottom that the air pump runs through air supporting chamber through communicating pipe is connected with air knife and air float generator respectively, the air. The utility model has the advantages that: the oil scraping is more thorough.

Description

Air-float oil-water separator
Technical Field
The utility model belongs to the technical field of the relevant technique of environmental protection equipment and specifically relates to indicate an air supporting oil water separator.
Background
The large amount of oily sewage generated in life is increasingly serious along with the rapid development of food processing industry and catering enterprises, thereby causing serious pollution to the water quality of rivers. Meanwhile, if the sewage containing the grease is directly discharged for a long time, the municipal drainage pipe network is bound to be blocked due to dirt, so that the paralysis of the municipal drainage pipe network brings serious influence on production and life.
At present, the environmental protection law enforcement scope of sewage discharge in China gradually relates to food processing and catering enterprises from large pollution discharge enterprises. According to the requirements of 'design code of water supply and drainage for buildings', oily sewage generated in staff canteens and business catering industries is treated by an oil storage device and then can be discharged. In order to fulfill and execute the requirements of countries, governments and related environmental protection departments, and combine the characteristics and actual requirements of food processing and catering enterprises, research and development of various oil-water separators are carried out, so as to thoroughly solve the problem of oil-water pollution in practical application. The air floatation oil-water separator is particularly favored by many consumers, and mainly has the functions of separating an oil phase from a liquid phase, generating a large amount of small bubbles through an air floatation generator to adsorb grease on the surfaces of the bubbles to float to the water surface, removing the grease by an oil scraper, and then discharging water at the bottom through a water discharge pipe.
Although the automatic operation is realized to the oil wiper among the prior art, scrape near oil extraction pipe with the grease, reach the effect of oil-water separation in flowing into the oil collection bucket through oil extraction pipe, but the whole liquid level is covered with to the grease of come-up, and the grease that lies in liquid level edge lies in even the grease in the separation vessel corner strikes off totally hardly through the oil wiper, can cause partly grease to discharge along with water together to lead to the frizing not thorough.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air-float oil-water separator for thoroughly scraping oil, which aims to overcome the problem of incomplete oil scraping in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air flotation oil-water separator comprises a tank body and an oil collection tank, wherein a water inlet is arranged at one side of the tank body, a water outlet and an oil discharge pipe are arranged at the other side of the tank body, an air flotation cavity and an isolation cavity are arranged in the tank body, an air vent is arranged at the top of the air flotation cavity, the isolation cavity is positioned at the bottom of the air flotation cavity, the oil discharge pipe is positioned at the upper part of the air flotation cavity, an oil discharge pump is arranged on the oil discharge pipe, one end of the oil discharge pipe is communicated with the air flotation cavity through the oil discharge pump, the other end of the oil discharge pipe is communicated with the oil collection tank, the water outlet is positioned at the lower part of the air flotation cavity, an air knife and an air flotation generator are arranged in the air flotation cavity, the air knife is positioned between the oil discharge pipe and the air vent, the air knife is detachably connected with the side wall of the air flotation cavity, the air pump is provided with a communicating pipe, the air pump penetrates through the bottom of the air flotation cavity through the communicating pipe and is respectively connected with the air knife and the air flotation generator, an oil wiper is arranged in the air flotation cavity, and the position of the oil wiper corresponds to the position of the oil discharge pipe.
One side of the box body is provided with a water inlet, the other side of the box body is provided with a water outlet and an oil discharge pipe, an air flotation cavity and an isolation cavity are arranged in the box body, the top of the air flotation cavity is provided with an air vent, the isolation cavity is positioned at the bottom of the air flotation cavity, the oil discharge pipe is positioned at the upper part of the air flotation cavity, the oil discharge pipe is provided with an oil discharge pump, one end of the oil discharge pipe is communicated with the air flotation cavity through the oil discharge pump, the other end of the oil discharge pipe is communicated with an oil collecting barrel, the water outlet is positioned at the lower part of the air flotation cavity, an air knife and an air flotation generator are arranged in the air flotation cavity, the air knife is positioned between the oil discharge pipe and the air vent, the air knife is detachably connected with the side wall of the air flotation cavity, the air flotation generator is positioned at the bottom of the air flotation cavity, the water outlet, the position of the oil wiper corresponds to the position of the oil discharge pipe. The vent hole is connected with an external vent pipe, and wastewater and odor generated in the box body are discharged through the vent hole; the air floatation generator generates a large amount of micro bubbles, and grease in the oil water is adsorbed on the surfaces of the bubbles and floats to the water surface under the action of the tension on the surfaces of the bubbles; the air knife concentrates the grease floating on the water surface to one position, then the grease is scraped by the oil scraper and flows into the oil collecting barrel through the oil discharge pipe, and the purpose of thorough oil scraping is achieved.
Preferably, the inside of the air flotation generator is provided with a cavity, the top of the cavity is provided with a plurality of bubble holes which are uniformly distributed, a connector is arranged at the center of the bottom of the cavity, a communicating pipe on the air pump penetrates through the bottom of the air flotation cavity and then is connected with the connector, and the air pump is communicated with the cavity through the communicating pipe. The air pump generates high-pressure air which is conveyed into the cavity of the air floatation generator through the communicating pipe, and a large amount of bubbles are generated through bubble holes in the top of the cavity.
Preferably, the shape of the connecting port is circular, a plurality of guide plates are arranged in the cavity, the guide plates are radially and uniformly distributed along the circumferential direction of the connecting port, one end of each guide plate is in contact with the edge of the connecting port, the other end of each guide plate is in contact with the edge of the cavity, two adjacent guide plates are not in contact with each other, the upper end of each guide plate is connected with the top of the cavity, and the lower end of each guide plate is connected with the bottom of the cavity. The air pump produces high-pressure gas and carries the cavity of air supporting generator through communicating pipe in, and a plurality of guide plates are with gaseous homodisperse in the cavity to produce even bubble, be favorable to more high-efficiently adsorbing the grease of air supporting chamber bottom to the surface of water bubble come-up and carry out the frizing and handle.
Preferably, a filter cavity is arranged in the box, the filter cavity and the air flotation cavity are located on the upper portion of the box, the isolation cavity is located on the lower portion of the box, the filter cavity is located on one side of the box, the air flotation cavity is located on the other side of the box, the water inlet is located at the top of the filter cavity, a one-way valve is arranged at the bottom of the filter cavity, the filter cavity is communicated with the air flotation cavity through the one-way valve, a filter grid net is arranged in the filter cavity, the filter grid net is detachably connected with the inner wall of the filter cavity, the filter grid net is located between the water inlet and the one-way valve, and. Oil water enters the filtering cavity from the water inlet to be filtered, suspended matters in the oil water are effectively removed through the filtering grid net, the pollutant indexes in the oil water are reduced, and the subsequent equipment and pipelines are effectively prevented from being blocked; the filtered oil water flows into the air floatation cavity through the one-way valve for oil scraping treatment, and the one-way valve can prevent the oil water in the air floatation cavity from flowing back into the filtering cavity.
Preferably, the oil scraper comprises a roller, one end of the roller is rotatably connected with the inner side wall of the air flotation cavity, the other end of the roller is connected with a motor, the motor is located on the outer side of the air flotation cavity, the roller penetrates through the side wall of the air flotation cavity and is connected with the motor, a plurality of oil scraping plates are arranged on the roller and are radially and uniformly distributed along the circumferential direction of the roller, and the oil discharge pipe is located on the side face of the roller. The motor drives the roller to rotate, so that the oil scraping plate scrapes oil towards one side provided with the oil discharge pipe, the oil is conveyed to the position near the oil discharge pipe, and finally the oil is sucked into the oil collecting barrel through the oil discharge pump.
Preferably, the number of the air knives is two, the two air knives are respectively positioned at two ends of the roller, the two air knives are symmetrically distributed in the front-back direction by taking the oil discharge pipe as the center, the air knives are positioned above the roller, the air floatation generator is positioned below the roller, the air knives are perpendicular to the roller, one side, close to the side wall of the air floatation cavity, of each air knife is connected with the air pump through a communicating pipe, and one side, far away from the side wall of the air floatation cavity, of each air knife is provided. The nozzle on the air knife corresponds to the position of the oil-water liquid level, the air knife can generate uniform air flow, the two air knives blow oppositely, grease on two sides can be better concentrated to the middle position, the oil scraper can scrape the grease to the position near the oil discharge pipe, and the grease is discharged into the oil collecting barrel through the oil discharge pipe, so that the oil scraping is more thorough.
Preferably, a liquid level sensor is arranged on the inner side wall of the air flotation cavity, and the position of the liquid level sensor corresponds to the position of the oil discharge pipe. Level sensor is used for responding to the position of fluid, and when fluid reached required position department, level sensor signals stopped to continue to add profit from the water inlet, and the design has the water level that does benefit to effective control fluid like this for the water level of fluid is located the corresponding position department of oil extraction pipe all the time, does benefit to frizing, oil extraction operation.
The utility model has the advantages that: the plurality of guide plates uniformly disperse the gas in the cavity, so that uniform bubbles are generated, and the grease at the bottom of the air flotation cavity can be adsorbed on the bubbles to float to the water surface more efficiently for oil scraping treatment; two air knives blow to each other, concentrate the grease of both sides to the intermediate position, do benefit to the oil wiper and scrape near oil extraction pipe with the grease, in discharging into the oil collecting bucket through oil extraction pipe for it is more thorough to scrape oil.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view A-A of the aerosol generator of FIG. 1;
fig. 3 is a sectional view B-B of fig. 1.
In the figure: 1. the oil-water separator comprises a box body, a oil collecting barrel, a water inlet, a water outlet, a 5-oil discharge pipe, a 6-air floating cavity, a 7-isolation cavity, a 8-air vent, a 9-oil discharge pump, a 10-air knife, a 11-air floating generator, a 12-air pump, a 13-communicating pipe, a 14-oil wiper, a 15-cavity, a 16-connecting port, a 17-flow guide plate, a 18-filtering cavity, a 19-one-way valve, a 20-filtering grid net, a 21-roller, a 22-motor, a 23-oil scraping plate and a 24-liquid level sensor.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1, an air-flotation oil-water separator comprises a tank body 1 and an oil collection tank 2, wherein one side of the tank body 1 is provided with a water inlet 3, the other side of the tank body 1 is provided with a water outlet 4 and an oil discharge pipe 5, the tank body 1 is internally provided with an air flotation cavity 6 and an isolation cavity 7, the top of the air flotation cavity 6 is provided with an air vent 8, the isolation cavity 7 is positioned at the bottom of the air flotation cavity 6, the oil discharge pipe 5 is positioned at the upper part of the air flotation cavity 6, the oil discharge pipe 5 is provided with an oil discharge pump 9, one end of the oil discharge pipe 5 is communicated with the air flotation cavity 6 through the oil discharge pump 9, the other end of the oil discharge pipe 5 is communicated with the oil collection tank 2, the water outlet 4 is positioned at the lower part of the air flotation cavity 6, the air flotation cavity 6 is internally provided with an air knife 10 and an air flotation generator 11, the air knife 10 is positioned between the oil discharge pipe 5 and the air vent, an air pump 12 is arranged in the isolation cavity 7, a communicating pipe 13 is arranged on the air pump 12, the air pump 12 penetrates through the bottom of the air flotation cavity 6 through the communicating pipe 13 and is respectively connected with the air knife 10 and the air flotation generator 11, an oil wiper 14 is arranged in the air flotation cavity 6, and the position of the oil wiper 14 corresponds to the position of the oil discharge pipe 5.
As shown in fig. 1 and 2, a cavity 15 is provided inside the air flotation generator 11, a plurality of bubble holes are uniformly distributed on the top of the cavity 15, a connection port 16 is provided at the center of the bottom of the cavity 15, a communication pipe 13 on the air pump 12 penetrates through the bottom of the air flotation chamber 6 and is connected with the connection port 16, and the air pump 12 is communicated with the cavity 15 through the communication pipe 13. The shape of connector 16 is circular, is equipped with a plurality of guide plates 17 in the cavity 15, and a plurality of guide plates 17 are radial evenly distributed along connector 16's circumferencial direction, and the one end of guide plate 17 contacts with connector 16's edge, and the other end of guide plate 17 contacts with the edge of cavity 15, does not contact each other between two adjacent guide plates 17, and the upper end of guide plate 17 is connected with the top of cavity 15, and the lower extreme of guide plate 17 is connected with the bottom of cavity 15.
As shown in fig. 1, a filter chamber 18 is arranged in a box body 1, the filter chamber 18 and the air flotation chamber 6 are both located on the upper portion of the box body 1, an isolation chamber 7 is located on the lower portion of the box body 1, the filter chamber 18 is located on one side of the box body 1, the air flotation chamber 6 is located on the other side of the box body 1, a water inlet 3 is located on the top of the filter chamber 18, a one-way valve 19 is arranged at the bottom of the filter chamber 18, the filter chamber 18 is communicated with the air flotation chamber 6 through the one-way valve 19, a filter grid net 20 is arranged in the filter chamber 18, the filter grid net 20 is detachably connected with the inner wall of the filter chamber 18, the filter grid net 20 is located between the water inlet 3 and the one-way.
As shown in fig. 1 and 3, the oil wiper 14 includes a roller 21, one end of the roller 21 is rotatably connected to the inner side wall of the air-floating chamber 6, the other end of the roller 21 is connected to a motor 22, the motor 22 is located at the outer side of the air-floating chamber 6, the roller 21 penetrates through the side wall of the air-floating chamber 6 and is connected to the motor 22, a plurality of oil-scraping plates 23 are arranged on the roller 21, the plurality of oil-scraping plates 23 are radially and uniformly distributed along the circumferential direction of the roller 21, and the oil discharge pipe 5 is located at the side surface of the roller 21.
As shown in fig. 3, there are two air knives 10, the two air knives 10 are respectively located at two ends of a roller 21, the two air knives 10 are symmetrically distributed in front and back directions with an oil drain pipe 5 as a center, the air knife 10 is located above the roller 21, an air flotation generator 11 is located below the roller 21, the air knife 10 is perpendicular to the roller 21, one side of the air knife 10 close to the side wall of the air flotation cavity 6 is connected with an air pump 12 through a communicating pipe 13, and a nozzle is arranged at one side of the air knife 10 far away from the side wall of the air flotation cavity 6.
As shown in fig. 1, a liquid level sensor 24 is arranged on the inner side wall of the air flotation cavity 6, and the position of the liquid level sensor 24 corresponds to the position of the oil discharge pipe 5.
The working principle is as follows: oil water firstly enters the filter cavity 18 from the water inlet 3 for filtering treatment, and suspended matters in the oil water are effectively removed through the filter grille net 20; the filtered oil water flows into the air flotation cavity 6 through the one-way valve 19 for oil scraping treatment; when the oil reaches the required position, the liquid level sensor 24 sends a signal to stop adding the oil and water from the water inlet 3; starting the air pump 12, generating a large amount of micro bubbles by the air flotation generator 11, and adsorbing grease in the oil water on the surfaces of the bubbles to float to the water surface under the action of the tension of the surfaces of the bubbles; the two air knives 10 blow oppositely to concentrate the grease floating on the water surface to one position; starting the motor 22 to scrape oil from the oil scraping plate 23 toward the side provided with the oil discharge pipe 5, conveying the grease to the vicinity of the oil discharge pipe 5, and finally sucking the grease into the oil collecting barrel 2 through the oil discharge pump 9; the vent 8 is connected with an external vent pipe, and wastewater and odor generated in the air flotation cavity 6 are discharged through the vent 8; the water in the air flotation cavity 6 is discharged through the water outlet 4.

Claims (7)

1. The utility model provides an air supporting oil water separator, characterized by, includes box (1) and oil collection bucket (2), one side of box (1) is equipped with water inlet (3), the opposite side of box (1) is equipped with delivery port (4) and oil extraction pipe (5), be equipped with air supporting chamber (6) and keep apart chamber (7) in box (1), the top in air supporting chamber (6) is equipped with blow vent (8), keep apart the bottom that chamber (7) are located air supporting chamber (6), oil extraction pipe (5) are located the upper portion in air supporting chamber (6), be equipped with oil extraction pump (9) on oil extraction pipe (5), the one end of oil extraction pipe (5) is linked together with air supporting chamber (6) through oil extraction pump (9), the other end and the oil collection bucket (2) of oil extraction pipe (5) are linked together, delivery port (4) are located the lower part in air supporting chamber (6), be equipped with air knife (10) and air supporting generator (11) in air supporting chamber (6), the oil-gas separator is characterized in that the air knife (10) is located between the oil discharge pipe (5) and the air vent (8), the air knife (10) is detachably connected with the side wall of the air floating cavity (6), the air floating generator (11) is located at the bottom of the air floating cavity (6), the water outlet (4) is located on the side face of the air floating generator (11), an air pump (12) is arranged in the isolation cavity (7), a communicating pipe (13) is arranged on the air pump (12), the air pump (12) penetrates through the bottom of the air floating cavity (6) through the communicating pipe (13) and is respectively connected with the air knife (10) and the air floating generator (11), an oil wiper (14) is arranged in the air floating cavity (6), and the position of the oil wiper (14) corresponds to the position of the oil discharge pipe (5.
2. The air-flotation oil-water separator as claimed in claim 1, wherein a cavity (15) is formed inside the air-flotation generator (11), a plurality of bubble holes are uniformly distributed on the top of the cavity (15), a connecting port (16) is formed in the center of the bottom of the cavity (15), a communicating pipe (13) on the air pump (12) penetrates through the bottom of the air-flotation cavity (6) and then is connected with the connecting port (16), and the air pump (12) is communicated with the cavity (15) through the communicating pipe (13).
3. The air-flotation oil-water separator as claimed in claim 2, wherein the connecting port (16) is circular, a plurality of guide plates (17) are arranged in the cavity (15), the guide plates (17) are radially and uniformly distributed along the circumferential direction of the connecting port (16), one end of each guide plate (17) is in contact with the edge of the connecting port (16), the other end of each guide plate (17) is in contact with the edge of the cavity (15), two adjacent guide plates (17) are not in contact with each other, the upper end of each guide plate (17) is connected with the top of the cavity (15), and the lower end of each guide plate (17) is connected with the bottom of the cavity (15).
4. The air-flotation oil-water separator as claimed in claim 1, 2 or 3, wherein a filter chamber (18) is arranged in the tank body (1), the filter chamber (18) and the air flotation chamber (6) are both positioned at the upper part of the tank body (1), the isolation chamber (7) is positioned at the lower part of the tank body (1), the filter chamber (18) is positioned at one side of the tank body (1), the air flotation chamber (6) is positioned at the other side of the tank body (1), the water inlet (3) is positioned at the top of the filter chamber (18), a one-way valve (19) is arranged at the bottom of the filter chamber (18), the filter chamber (18) is communicated with the air flotation chamber (6) through the one-way valve (19), a filter grid net (20) is arranged in the filter chamber (18), the filter grid net (20) is detachably connected with the inner wall of the filter chamber (18), and the filter grid net (20) is positioned between the water inlet (3) and the one-way valve (19), the filtering grid net (20) is positioned right below the water inlet (3).
5. The air-flotation oil-water separator as claimed in claim 1 or 2, wherein the oil scraper (14) comprises a roller (21), one end of the roller (21) is rotatably connected with the inner side wall of the air-flotation cavity (6), the other end of the roller (21) is connected with a motor (22), the motor (22) is located outside the air-flotation cavity (6), the roller (21) penetrates through the side wall of the air-flotation cavity (6) and is connected with the motor (22), a plurality of oil scraping plates (23) are arranged on the roller (21), the plurality of oil scraping plates (23) are radially and uniformly distributed in the circumferential direction of the roller (21), and the oil discharge pipe (5) is located on the side face of the roller (21).
6. The air-flotation oil-water separator as claimed in claim 5, wherein the number of the air knives (10) is two, the two air knives (10) are respectively located at two ends of the roller (21), the two air knives (10) are symmetrically distributed in a front-back manner with the oil discharge pipe (5) as the center, the air knives (10) are located above the roller (21), the air flotation generator (11) is located below the roller (21), the air knives (10) and the roller (21) are perpendicular to each other, one side of each air knife (10) close to the side wall of the air flotation cavity (6) is connected with the air pump (12) through a communicating pipe (13), and one side of each air knife (10) far away from the side wall of the air flotation cavity (6) is provided with a nozzle.
7. The air-flotation oil-water separator as claimed in claim 1 or 2, wherein a liquid level sensor (24) is arranged on the inner side wall of the air-flotation cavity (6), and the position of the liquid level sensor (24) corresponds to the position of the oil discharge pipe (5).
CN201921358486.0U 2019-08-21 2019-08-21 Air-float oil-water separator Expired - Fee Related CN210710836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921358486.0U CN210710836U (en) 2019-08-21 2019-08-21 Air-float oil-water separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921358486.0U CN210710836U (en) 2019-08-21 2019-08-21 Air-float oil-water separator

Publications (1)

Publication Number Publication Date
CN210710836U true CN210710836U (en) 2020-06-09

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ID=70964707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921358486.0U Expired - Fee Related CN210710836U (en) 2019-08-21 2019-08-21 Air-float oil-water separator

Country Status (1)

Country Link
CN (1) CN210710836U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112794478A (en) * 2020-12-31 2021-05-14 浙江茂丰工艺品有限公司 Sewage treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112794478A (en) * 2020-12-31 2021-05-14 浙江茂丰工艺品有限公司 Sewage treatment device

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CF01 Termination of patent right due to non-payment of annual fee

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