CN111675422B - Environment-friendly sewage purification tank - Google Patents
Environment-friendly sewage purification tank Download PDFInfo
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- CN111675422B CN111675422B CN202010424112.5A CN202010424112A CN111675422B CN 111675422 B CN111675422 B CN 111675422B CN 202010424112 A CN202010424112 A CN 202010424112A CN 111675422 B CN111675422 B CN 111675422B
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- 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
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- 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
- C02F2303/14—Maintenance of water treatment installations
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Filtration Of Liquid (AREA)
Abstract
The invention discloses an environment-friendly sewage purification tank, which is characterized in that: including open-top's cell body (1), be equipped with a plurality of sewage chambeies (100) in cell body (1) side by side, the middle part in sewage chamber (100) is equipped with detachable filter plate (2), the bottom in sewage chamber (100) is equipped with aeration pump (3), the inlet end of aeration pump (3) is located the outside in sewage chamber (100), the end of giving vent to anger of aeration pump (3) is located the inboard in sewage chamber (100), be equipped with baffle (15) between adjacent sewage chamber (100), be equipped with liquid transfer device between adjacent sewage chamber (100). The invention has the advantages of good sewage treatment effect and high treatment efficiency.
Description
Technical Field
The invention belongs to the field of domestic sewage purification tanks, and particularly relates to an environment-friendly purification tank for domestic sewage treatment.
Background
Sewage treatment refers to measures taken to change the nature of sewage so that the sewage does not harm the environmental water area. The main pollutants in the sewage are organic matters and solid impurities, and an important link in the sewage treatment is aeration treatment in an aeration tank so as to decompose the organic matters and filter the solid impurities.
The structure of the existing aeration tank comprises a water tank with an open top, wherein a filter screen plate is arranged at the top of the water tank, and an aeration device is arranged at the bottom of the water tank. The aeration treatment process is that sewage added with microorganisms is conveyed to the bottom of the water tank through a pipeline, the aeration device can spray a large amount of fine foams, so that the oxygen content in the sewage is improved, the microorganisms are promoted to decompose the sewage, solid impurities in the sewage are intercepted by the filter screen plate, and the filtered and decomposed sewage is discharged from the top of the water tank to obtain treated purified water.
Because sewage flows irregularly in the water tank, part of sewage possibly stays in the water tank for a long time, and the other part of sewage possibly drains away from the top of the water tank quickly without sufficient aeration treatment, so that more organic matters still exist in the purified water, and the sewage treatment effect is poor.
Because the sewage contains more solid impurities, the filter screen plate is easy to block and needs to be taken out frequently for cleaning, when the filter screen plate is cleaned, the solid impurities in the sewage can not be filtered, so that the work of the aeration tank can only be stopped, and the treatment efficiency of the aeration tank is reduced. When sewage passes through the filter screen plate and is located at the upper part of the water tank, organic matters in the sewage are still continuously decomposed by microorganisms, new solid impurities can be generated in the decomposition process, the new solid impurities are discharged from the water tank and are not filtered, and in addition, the original solid impurities which can penetrate through small particles of the filter screen plate lead to higher content of the solid impurities in the purified water and also lead to poor sewage treatment effect.
Through statistics, the water purification indexes obtained by the treatment of the existing aeration tank are as follows: the organic matter content is reduced to 15 percent of the original sewage content, and the solid impurities are reduced to 7 percent of the original sewage content. Existing aeration tank treatments take on average about 0.4 hours per hundred tons of water treated.
Therefore, the existing aeration tank has the defects of poor sewage treatment effect and low treatment efficiency.
Disclosure of Invention
The invention aims to provide an environment-friendly sewage purification tank. The invention has the advantages of good sewage treatment effect and high treatment efficiency.
The technical scheme of the invention is as follows: the environment-friendly sewage purification tank comprises a tank body with an opening at the top, wherein a plurality of sewage cavities are arranged in the tank body side by side, a detachable filter screen plate is arranged in the middle of each sewage cavity, an aeration pump is arranged at the bottom of each sewage cavity, the air inlet end of each aeration pump is positioned on the outer side of each sewage cavity, the air outlet end of each aeration pump is positioned on the inner side of each sewage cavity, a partition plate is arranged between every two adjacent sewage cavities, and a liquid transfer device is arranged between every two adjacent sewage cavities; three sewage cavities are arranged in the tank body side by side, a water inlet pipe is arranged in the sewage cavity positioned on one side, the water outlet end of the water inlet pipe is positioned below the filter screen plate, a water outlet pipe is arranged in the sewage cavity positioned on the other side, and the water inlet end of the water outlet pipe is positioned above the filter screen plate; a transverse groove is formed in the bottom surface of the sewage cavity, a drain valve is arranged on the bottom surface of the groove, and a drain pipeline is arranged on the drain valve; two longitudinal slideways are arranged below the filter screen plate, sliding blocks are arranged on the two slideways, a steel pipe is arranged between the two sliding blocks, bristles are arranged below the steel pipe, the steel pipe is connected with the air outlet end of the aeration pump through a hose, a plurality of spray heads are arranged on the steel pipe, and a reciprocating mechanism is arranged on the steel pipe.
In the environment-friendly sewage purification tank, the reciprocating mechanism comprises a driving wheel arranged at the top of one side wall of the sewage cavity, a first driven wheel connected with the top of the other side wall of the sewage cavity is arranged on one side of the driving wheel, a second driven wheel is arranged below the driving wheel, a third driven wheel is arranged below the first driven wheel, the second driven wheel and the third driven wheel are respectively connected with two opposite side walls of the sewage cavity, rotating shafts are respectively arranged on the first driven wheel, the second driven wheel and the third driven wheel, the rotating shafts are fixed with the tank body through U-shaped supports, a rope is wound on the driving wheel, one end of the rope sequentially bypasses the first driven wheel and the third driven wheel, the other end of the rope bypasses the second driven wheel, and two ends of the rope are fixed with the steel pipe; still include the motor, the output of motor is equipped with the actuating lever of being connected with the action wheel, and the actuating lever is connected with the inside wall of cell body through a plurality of tape seat bearings.
In the aforementioned environmental protection sewage purification pond, the liquid transfer device is including setting up the water pump in the baffle top, and the end of intaking of water pump is connected with the upper portion in one of them sewage chamber, and the play water end of water pump is connected with the sub-unit connection in adjacent sewage chamber.
In the environment-friendly sewage purification tank, the brush plate is arranged below the steel pipe, the steel pipe is fixed with the brush plate through the connecting rod, and the brush hair is fixed with the bottom surface of the brush plate.
In the aforementioned environmental protection sewage purification pond, the bottom of cell body is equipped with the support base, the outside of cell body is equipped with the support holder.
Compared with the prior art, the domestic sewage treatment device adopts the plurality of sewage cavities to carry out classified filtration on the domestic sewage, so that the sewage which is relatively quickly discharged from a single sewage cavity can be treated again in another sewage cavity, the time of the sewage which is remained in the tank body is approximate, and the sewage can be subjected to sufficient aeration treatment, thereby reducing the content of organic matters in the sewage and improving the sewage treatment effect. According to the invention, the domestic sewage is subjected to classification treatment by adopting the plurality of sewage cavities, so that the pore sizes of the filter screen plates in the sewage cavities can be correspondingly set, and the pore sizes of the filter screen plates can be sequentially reduced, so that the problem that the filter screen plates are easy to block can be avoided, and the filtering effect of the domestic sewage can be improved. The invention adopts a plurality of sewage cavities to carry out the classified treatment on the domestic sewage, and except the last stage treatment process, new solid impurities generated by the decomposition of microorganisms in other stage treatment processes can be filtered again and can not be directly discharged, thereby improving the sewage treatment effect.
The aeration pump forms circulating running water which is locally impacted downwards when in work, and the reciprocating motion mechanism is arranged in each sewage cavity, so that the running water which is impacted downwards passes through each area of the filter screen plate to flush away solid impurities at the bottom of the filter screen plate, the blockage of the filter screen plate is avoided or reduced, the working time of the filter screen plate is prolonged, the frequency of stopping the purification tank to clean the filter screen is reduced, and the sewage treatment efficiency of the purification tank is improved. The brush hair that sets up on reciprocating mechanism can be concentrated on the recess with the silt (solid particle piles up the formation) of deposit on sewage chamber bottom, opens the blowoff valve and can clear away silt, and the need regularly clear up of sewage chamber has also reduced the shut down frequency of purifying tank, has improved the sewage treatment efficiency of purifying tank.
According to statistics, on the basis of the same water capacity as that of the existing aeration tank, the water purification indexes obtained by the invention are as follows: the content of organic matters is reduced to 11 percent of the original sewage content, and the content of solid impurities is reduced to 4.5 percent of the original sewage content. The average time of the present invention for treatment per hundred tons of water is about 0.34 hours.
Therefore, the invention has the advantages of good sewage treatment effect and high treatment efficiency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
The labels in the figures are: 1-a tank body, 2-a filter screen plate, 3-an aeration pump, 4-a water inlet pipe, 5-a water outlet pipe, 6-a blow-down valve, 7-a blow-down pipeline, 8-a slideway, 9-a slide block, 10-a steel pipe, 11-a brush hair, 12-a hose, 13-a spray head, 14-a rope, 15-a clapboard, 16-a water pump, 17-a brush plate, 18-a connecting rod, 19-a supporting base, 20-a supporting bracket, 21-a motor, 22-a driving rod, 24-a rotating shaft, 25-a U-shaped bracket, 26-a bearing with a seat, 100-a sewage cavity, 101-a groove, 200-a driving wheel, 201-a first driven wheel, 202-a second driven wheel and 203-a third driven wheel.
Detailed Description
The invention is further described with reference to the following figures and examples, which are not to be construed as limiting the invention.
Examples are given. Environmental protection sewage purification pond, as shown in fig. 1, including open-top's cell body 1, be equipped with a plurality of sewage chambeies 100 in the cell body 1 side by side, the annular boss 23 in middle part of sewage chamber 100, be equipped with detachable filter plate 2 (for example screw connection or grafting structural connection) on the boss 23, the bottom in sewage chamber 100 is equipped with aeration pump 3, aeration pump 3's inlet end is located the outside in sewage chamber 100, aeration pump 3's the end of giving vent to anger is located the inboard in sewage chamber 100, be equipped with baffle 15 between the adjacent sewage chamber 100, be equipped with liquid transfer device between the adjacent sewage chamber 100.
Three sewage cavities 100 are arranged in the tank body 1 side by side, a water inlet pipe 4 is arranged in the sewage cavity 100 on one side, the water outlet end of the water inlet pipe 4 is positioned below the filter screen plate 2, a water outlet pipe 5 is arranged in the sewage cavity 100 on the other side, and the water inlet end of the water outlet pipe 5 is positioned above the filter screen plate 2.
A transverse groove 101 is formed in the bottom surface of the sewage cavity 100, a drain valve 6 is arranged on the bottom surface of the groove 101, and a drain pipeline 7 is arranged on the drain valve 6; two longitudinal slide ways 8 are arranged below the filter screen plate 2, two ends of each slide way 8 are fixed with the side wall of the sewage cavity 100, slide blocks 9 are arranged on the two slide ways 8, a steel pipe 10 is arranged between the two slide blocks 9, brush bristles 11 are arranged below the steel pipe 10, the steel pipe 10 is connected with the air outlet end of the aeration pump 3 through a hose 12, four spray heads 13 are arranged on the steel pipe 10, and a reciprocating mechanism is arranged on the steel pipe 10.
The reciprocating mechanism comprises a driving wheel 200 arranged at the top of one side wall of the sewage cavity 100, a first driven wheel 201 connected with the top of the other side wall of the sewage cavity 100 is arranged at one side of the driving wheel 200, a second driven wheel 202 is arranged below the driving wheel 200, a third driven wheel 203 is arranged below the first driven wheel 201, the second driven wheel 202 and the third driven wheel 203 are respectively connected with two opposite side walls of the sewage cavity 100, rotating shafts 24 are respectively arranged on the first driven wheel 201, the second driven wheel 202 and the third driven wheel 203, the rotating shafts 24 are fixed with the tank body 1 through U-shaped supports 25, ropes 14 are wound on the driving wheel 200, the ropes 14 are wound on the driving wheel 200 for more than one circle, so that enough friction force is provided between the driving wheel 200 and the ropes 14, one end of each rope 14 sequentially bypasses the first driven wheel 201 and the third driven wheel 203, and the other end of each rope 14 bypasses the second driven wheel 202, both ends of the rope 14 are fixed with the steel pipe 10; still include motor 21, motor 21 is fixed with the lateral wall of cell body 1, and the output of motor 21 is equipped with the actuating lever 22 of being connected with action wheel 200, and actuating lever 22 is connected with the inside wall of cell body 1 through a plurality of tape seat bearings 26.
The liquid transfer device comprises a water pump 16 arranged above the partition plate 15, the water inlet end of the water pump 16 is connected with the upper part of one sewage cavity 100, and the water outlet end of the water pump 16 is connected with the lower part of the adjacent sewage cavity 100.
A brush plate 17 is arranged below the steel pipe 10, the steel pipe 10 is fixed with the brush plate 17 through a connecting rod 18, and the bristles 11 are fixed with the bottom surface of the brush plate 17.
The bottom of cell body 1 is equipped with support base 19, the outside of cell body 1 is equipped with support bracket 20.
The apertures of the plurality of filter screen plates 2 through which the domestic sewage passes in the treatment process are sequentially reduced.
The sewage cavity 100 is 3m long, 2m wide and 2m high. The power of the aeration pump 3 is more than 1.1 kw.
The working principle is as follows: pumping the domestic sewage added with the microorganisms into a first sewage cavity 100 from a water inlet pipe 4 by a water pump for first treatment; the sewage after the first treatment is pumped to the lower part of the second sewage cavity 100 by the water pump 16 for the second treatment; the sewage after the second treatment is pumped to the lower part of the second sewage cavity 100 by the water pump 16, and the last treatment is carried out to obtain purified water; the purified water is pumped away by a water pump.
The sewage treatment process in the sewage chamber 100: the aeration pump 3 pumps a large amount of air into the sewage cavity 100, so that the air and the sewage are fully mixed, the oxygen content in the sewage is improved, and the decomposition of the microorganisms on the sewage is promoted. As shown in fig. 2, air from the aeration pump 3 is ejected upward from each ejection head 13 through the hose 12 and the steel pipe 10, so that the sewage in the area rapidly flows upward, the upward flowing sewage passes through the screen plate 2, moves horizontally to one side of the ejection head 13, and then rapidly flows downward to impact the screen plate 2, so that solid particles adhered to the bottom surface of the screen plate 2 are separated, and the screen plate 2 is prevented from being blocked. The motor 21 drives the driving rod 22 to rotate, the driving rod 22 drives the driving wheel 200 to rotate, the rope 14 drives the steel pipe 10 to move along the slide way 8, the injection head 13 moves, and the sewage flowing downwards rapidly reciprocates through each area of the filter screen plate 2 by controlling the positive and negative rotation of the motor 21 (for example, a time relay is arranged on the motor 21 so that the motor 21 rotates regularly and positively and negatively), so that the filter screen plate 2 is not blocked. The steel pipe 10 drives the brush hair 11 to move through the connecting rod 18 and the brush plate 17, the brush hair 11 sweeps the sediment and the solid particles on the bottom surface of the sewage cavity 100 into the groove 101, sludge is gradually formed, after the sludge in the groove 101 is accumulated to a certain degree, the sewage discharge valve 6 is opened, the sludge is discharged from the sewage discharge pipeline 7 under the action of water pressure, and a plurality of sewage discharge outlets connected with the sewage discharge valve 6 can be arranged along the length direction of the groove 101 for enabling the sludge in the groove 101 to be discharged thoroughly.
Therefore, the invention has the advantages of good sewage treatment effect and high treatment efficiency.
Claims (4)
1. Environmental protection sewage purification pond, its characterized in that: the sewage treatment device comprises a tank body (1) with an opening at the top, wherein a plurality of sewage cavities (100) are arranged in the tank body (1) side by side, a detachable filter screen plate (2) is arranged in the middle of each sewage cavity (100), an aeration pump (3) is arranged at the bottom of each sewage cavity (100), the air inlet end of each aeration pump (3) is positioned on the outer side of each sewage cavity (100), the air outlet end of each aeration pump (3) is positioned on the inner side of each sewage cavity (100), a partition plate (15) is arranged between every two adjacent sewage cavities (100), and a liquid transfer device is arranged between every two adjacent sewage cavities (100); three sewage cavities (100) are arranged in the tank body (1) side by side, a water inlet pipe (4) is arranged in the sewage cavity (100) positioned on one side, the water outlet end of the water inlet pipe (4) is positioned below the filter screen plate (2), a water outlet pipe (5) is arranged in the sewage cavity (100) positioned on the other side, and the water inlet end of the water outlet pipe (5) is positioned above the filter screen plate (2); a transverse groove (101) is formed in the bottom surface of the sewage cavity (100), a drain valve (6) is arranged on the bottom surface of the groove (101), and a drain pipeline (7) is arranged on the drain valve (6); two longitudinal slideways (8) are arranged below the filter screen plate (2), sliding blocks (9) are arranged on the two slideways (8), a steel pipe (10) is arranged between the two sliding blocks (9), bristles (11) are arranged below the steel pipe (10), the steel pipe (10) is connected with the air outlet end of the aeration pump (3) through a hose (12), a plurality of spray heads (13) are arranged on the steel pipe (10), and a reciprocating mechanism is arranged on the steel pipe (10);
the reciprocating mechanism comprises a driving wheel (200) arranged at the top of one side wall of a sewage cavity (100), a first driven wheel (201) connected with the top of the other side wall of the sewage cavity (100) is arranged on one side of the driving wheel (200), a second driven wheel (202) is arranged below the driving wheel (200), a third driven wheel (203) is arranged below the first driven wheel (201), the second driven wheel (202) and the third driven wheel (203) are respectively connected with two opposite side walls of the sewage cavity (100), rotating shafts (24) are respectively arranged on the first driven wheel (201), the second driven wheel (202) and the third driven wheel (203), the rotating shafts (24) are fixed with a tank body (1) through U-shaped supports (25), a rope (14) is wound on the driving wheel (200), one end of the rope (14) sequentially winds around the first driven wheel (201) and the third driven wheel (203), and the other end of the rope (14) winds around the second driven wheel (202), both ends of the rope (14) are fixed with the steel pipe (10); still include motor (21), the output of motor (21) is equipped with actuating lever (22) of being connected with action wheel (200), and actuating lever (22) are connected with the inside wall of cell body (1) through a plurality of tape seat bearings (26).
2. The environmental-friendly sewage purification tank as defined in claim 1, wherein: the liquid transfer device comprises a water pump (16) arranged above the partition plate (15), the water inlet end of the water pump (16) is connected with the upper part of one sewage cavity (100), and the water outlet end of the water pump (16) is connected with the lower part of the adjacent sewage cavity (100).
3. The environmental-friendly sewage purification tank as defined in claim 1, wherein: a brush plate (17) is arranged below the steel pipe (10), the steel pipe (10) is fixed with the brush plate (17) through a connecting rod (18), and the bristles (11) are fixed with the bottom surface of the brush plate (17).
4. The environmental-friendly sewage purification tank as defined in claim 1, wherein: the bottom of cell body (1) is equipped with support base (19), the outside of cell body (1) is equipped with support holder (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424112.5A CN111675422B (en) | 2020-05-19 | 2020-05-19 | Environment-friendly sewage purification tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424112.5A CN111675422B (en) | 2020-05-19 | 2020-05-19 | Environment-friendly sewage purification tank |
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| CN111675422A CN111675422A (en) | 2020-09-18 |
| CN111675422B true CN111675422B (en) | 2022-07-05 |
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| CN202010424112.5A Active CN111675422B (en) | 2020-05-19 | 2020-05-19 | Environment-friendly sewage purification tank |
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| CN115490343A (en) * | 2022-11-21 | 2022-12-20 | 枣庄市金地源环保设备有限公司 | Aeration equipment for sewage treatment |
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| JP4009012B2 (en) * | 1998-05-06 | 2007-11-14 | 伸洋産業株式会社 | Garbage decomposition and extinguishing machine with disposer using porous inorganic decomposition media |
| JP4611466B2 (en) * | 1998-05-21 | 2011-01-12 | 伸洋産業株式会社 | Organic waste decomposition treatment equipment for both fermentation decomposition treatment and underwater decomposition treatment |
| DE202007017662U1 (en) * | 2007-12-18 | 2008-03-20 | Odenwald Chemie Gmbh | Privacy partition |
| CN101597131B (en) * | 2009-06-05 | 2012-05-30 | 浙江旺能环保股份有限公司 | Method and device for treating garbage percolate |
| ES2565000B2 (en) * | 2014-09-26 | 2016-06-30 | Mancar Tecnologías Sl | Leachate mineralization procedure and system |
| CN205275425U (en) * | 2015-12-30 | 2016-06-01 | 上海华励振环保科技有限公司 | Heterogeneous circulation integrative sewage treatment device |
| CN206308218U (en) * | 2016-11-30 | 2017-07-07 | 天水师范学院 | High-efficiency sewage treatment and purification groove |
| CN207608378U (en) * | 2017-11-22 | 2018-07-13 | 天津绿诺环保科技有限公司 | A kind of modified sanitary sewage disposal aerator |
| CN207856432U (en) * | 2018-01-03 | 2018-09-14 | 缙云县旷视科技有限公司 | A kind of environment protection sewage clarifier-tank |
| CN108211470A (en) * | 2018-01-12 | 2018-06-29 | 苏州仁尔必思电子科技有限公司 | A kind of environment-friendly sewage processing equipment |
| CN108328857A (en) * | 2018-02-06 | 2018-07-27 | 王岩霞 | A kind of urban wastewater treatment aerator |
| CN108408935A (en) * | 2018-03-19 | 2018-08-17 | 陈晓 | A kind of energy saving and environment friendly integral domestic sewage treatment device |
| CN208642117U (en) * | 2018-06-29 | 2019-03-26 | 拓卡奔马机电科技有限公司 | A kind of filter vat modular construction of clarifier |
| CN109205861A (en) * | 2018-11-21 | 2019-01-15 | 山东海普欧环保设备科技有限公司 | A kind of environment-friendly type slaughterhouse sewage disposal device |
| CN110092489A (en) * | 2019-06-10 | 2019-08-06 | 陈莹 | It is a kind of for handle building sewage self-cleaning aeration tank |
| CN110316915A (en) * | 2019-08-09 | 2019-10-11 | 广州骏天科技有限公司 | A kind of comprehensive environment protection type multifunctional sewage disposal system |
| CN210457871U (en) * | 2019-08-20 | 2020-05-05 | 无锡生量环境工程有限公司 | Biochemical aeration device |
| CN110451731A (en) * | 2019-08-22 | 2019-11-15 | 吴珍珍 | A kind of sewage cleaning plant |
| CN110803727A (en) * | 2019-10-12 | 2020-02-18 | 湖南洞庭环保科技有限公司 | Grid for sewage treatment convenient to installation clearance |
| CN110813216A (en) * | 2019-11-04 | 2020-02-21 | 金博 | Anti-reation kettle feeding filter equipment who rocks |
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