CN112811629A - Three-phase separator for urban sewage treatment - Google Patents
Three-phase separator for urban sewage treatment Download PDFInfo
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- CN112811629A CN112811629A CN202011632532.9A CN202011632532A CN112811629A CN 112811629 A CN112811629 A CN 112811629A CN 202011632532 A CN202011632532 A CN 202011632532A CN 112811629 A CN112811629 A CN 112811629A
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- plate
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- shaped plate
- sewage treatment
- mud
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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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a three-phase separator for urban sewage treatment, which comprises a separating cylinder, wherein the top of the separating cylinder is provided with a top plate, and the bottom of the separating cylinder is fixedly provided with a base; four sludge discharge pipes are uniformly distributed on the upper circumference of the separating cylinder, and a water inlet pipe and a water discharge pipe are also arranged on the separating cylinder; a plurality of separating components are arranged in the separating cylinder and are symmetrically and uniformly distributed on two sides of the axis of the water inlet pipe; the separation assembly comprises an arc-shaped plate I, an arc-shaped plate II and an arc-shaped plate III, wherein a flow guide block II is connected between the arc-shaped plate II and the arc-shaped plate III, one side of the arc-shaped plate I is provided with the flow guide block I, and a support column I is connected between the flow guide block I and the top of the base; a connecting plate is respectively connected between two adjacent separating components at two sides of the water inlet pipe, and a supporting column II is connected between the connecting plate and the top of the base; the gas-collecting hood is embedded in the center of the inner part of the top plate, the bottom end of the gas-collecting hood is fixed with the mud floating layer, and the bottom of the mud floating layer is provided with the mud scraping component.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a three-phase separator for urban sewage treatment.
Background
In order to achieve the process of purifying sewage which is discharged into a certain water body or reused, the sewage treatment is widely applied to various fields of urban construction, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like. The three-phase separator is a device capable of separating sewage, and plays a very key role in discharging sludge.
The existing three-phase separator has poor separation effect, and can not improve the separation effect by utilizing a plurality of separation effects; meanwhile, in the separation process of the existing equipment, due to the sludge accompanying the separated gas, the sludge is easy to block structures such as a sludge floating plate, a sludge floating layer, a filter screen and the like, so that the gas is not discharged easily.
Disclosure of Invention
The invention aims to provide a three-phase separator for urban sewage treatment, which improves the separation effect through a plurality of centrifugal motions and is convenient for discharging separated gas.
In order to solve the technical problems, the invention provides the following technical scheme: a three-phase separator for urban sewage treatment comprises a separating cylinder, wherein the top of the separating cylinder is provided with a top plate, and the bottom of the separating cylinder is fixedly provided with a base; four sludge discharge pipes are uniformly distributed on the upper circumference of the separating cylinder, and a water inlet pipe and a water discharge pipe are also arranged on the separating cylinder; a plurality of separating components are arranged in the separating cylinder and are symmetrically and uniformly distributed on two sides of the axis of the water inlet pipe;
the separation assembly comprises an arc-shaped plate I, an arc-shaped plate II and an arc-shaped plate III, wherein a flow guide block II is connected between the arc-shaped plate II and the arc-shaped plate III, one side of the arc-shaped plate I is provided with the flow guide block I, and a support column I is connected between the flow guide block I and the top of the base; a connecting plate is respectively connected between two adjacent separating components at two sides of the water inlet pipe, and a supporting column II is connected between the connecting plate and the top of the base;
the inside center embedding of roof has the gas collecting channel, and the bottom mounting of gas collecting channel has the mud floating layer, and the bottom on mud floating layer is equipped with scrapes the mud subassembly, a plurality of blast pipes of top equipartition of gas collecting channel.
Furthermore, one side of the flow guide block I, which is close to the water inlet pipe, is of an arc structure, and the flow guide block I is arranged between the corresponding arc plate I and the corresponding arc plate II; one side of the flow guide block II close to the arc-shaped plate I is of an arc structure.
Furthermore, the mud scraping assembly comprises a scraping plate, the top of the scraping plate is in contact with the bottom of the mud floating layer, a collecting box is arranged outside the scraping plate, and one end of the collecting box is movably provided with a baffle; the scraper is fixed on a connecting shaft, the bottom end of the connecting shaft penetrates through the bottom of the collecting box, and the top end of the connecting shaft sequentially penetrates through the floating sludge layer and the gas collecting cover; a plurality of material guide plates are uniformly distributed at the bottom of the scraping plate.
Furthermore, the included angle between the material guide plate and the vertical direction is 30-45 degrees.
Furthermore, a limiting groove is arranged on the collecting box, and the baffle is movably arranged in the limiting groove.
Furthermore, a speed reducing motor is fixed at the top end part of the connecting shaft; an L-shaped stirring rod is fixed at the bottom end of the connecting shaft.
Furthermore, one end of the water inlet pipe close to the inner center of the separating cylinder is provided with a taper.
Furthermore, the top plate is connected with the separating cylinder through a plurality of screws, and two handles are respectively fixed on two sides of the top plate.
Furthermore, control valves are respectively arranged on the water inlet pipe and each sludge discharge pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the water flow generates a plurality of centrifugal motions by arranging the plurality of separation assemblies, so that the separation effect is greatly improved;
2. the speed reduction motor, the connecting shaft and the L-shaped stirring shaft are arranged, and the speed reduction motor is utilized to drive the L-shaped stirring rod to rotate continuously, so that the centrifugal motion of water flow outside the separation assembly is facilitated, and the separation effect is further improved;
3. be convenient for carry out striking off of mud sediment to the bed of floating mud through scraping the mud subassembly, help preventing the jam on bed of floating mud.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation of the separator assembly of the present invention;
FIG. 3 is a schematic structural view of a separator assembly of the present invention;
FIG. 4 is a schematic view of the installation of the mud scraping assembly of the present invention;
FIG. 5 is a schematic illustration of the installation of the present invention in a mud raft;
FIG. 6 is a schematic structural view of the mud scraping assembly of the present invention;
figure 7 is a schematic view of the installation of the guide plate of the present invention;
FIG. 8 is a schematic view of the baffle installation of the present invention;
in the figure: 1. a separation cylinder; 11. a water inlet pipe; 12. a drain pipe; 13. a sludge discharge pipe; 14. a base; 2. a top plate; 21. a gas-collecting hood; 211. an exhaust pipe; 3. a reduction motor; 4. a control valve; 5. a separation assembly; 51. an arc-shaped plate I; 52. an arc-shaped plate II; 53. an arc plate III; 54. a flow guide block I; 541. a support pillar I; 55. a flow guide block II; 56. a connecting plate; 561. a support pillar II; 6. a mud scraping assembly; 61. a collection box; 611. a limiting groove; 62. a squeegee; 63. a material guide plate; 64. a baffle plate; 7. a floating mud layer; 8. a connecting shaft; 9. an L-shaped stirring rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides the following technical solutions: a three-phase separator for urban sewage treatment comprises a separation cylinder 1, wherein the top of the separation cylinder 1 is provided with a top plate 2, and the bottom of the separation cylinder 1 is fixed with a base 14; four sludge discharge pipes 13 are uniformly distributed on the upper circumference of the separating cylinder 1, and the sludge discharge pipes 13 are close to the bottom of the cylinder; the separating cylinder 1 is also provided with a water inlet pipe 11 and a water outlet pipe 12, and the water outlet pipe 12 and the water inlet pipe 11 are respectively fixed on the separating cylinder 1; a plurality of separating components 5 are arranged in the separating cylinder 1, and the separating components 5 are symmetrically and uniformly distributed on two sides of the axis of the water inlet pipe 11;
the separating assembly 5 comprises an arc-shaped plate I51, an arc-shaped plate II 52 and an arc-shaped plate III 53, a flow guide block II 55 is connected between the arc-shaped plate II 52 and the arc-shaped plate III 53, a flow guide block I54 is arranged on one side of the arc-shaped plate I51, and a support column I541 is connected between the flow guide block I54 and the top of the base 14; a connecting plate 56 is respectively connected between two adjacent separating assemblies 5 on two sides of the water inlet pipe 11, the connecting plate 56 is connected with an arc-shaped plate I51 and an arc-shaped plate III 53 in one separating assembly 5 and an arc-shaped plate III 53 in the next separating assembly 5, and a supporting column II 561 is connected between the connecting plate 56 and the top of the base 14;
the inside center embedding of roof 2 has gas collecting channel 21, and the bottom mounting of gas collecting channel 21 has floating mud layer 7, and floating mud layer 7 is arranged in the gaseous mud sediment of separation, and the bottom of floating mud layer 7 is equipped with scrapes mud subassembly 6, a plurality of blast pipes 211 of gas collecting channel 21's top equipartition.
One side of the flow guide block I54, which is close to the water inlet pipe 11, is of an arc structure, and the flow guide block I54 is arranged between the corresponding arc plate I51 and the corresponding arc plate II 52; one side of the flow guide block II 55 close to the arc-shaped plate I51 is of a circular arc structure, the flow guide block I54 and the flow guide block II 55 are used for shunting, and one sides of the flow guide block I54 and the flow guide block II 55 are of circular arc structures respectively, so that water flow is guided to be shunted to two sides conveniently.
The mud scraping component 6 comprises a scraping plate 62, the top of the scraping plate 62 is contacted with the bottom of the mud floating layer 7, a collecting box 61 is arranged outside the scraping plate 62, and one end of the collecting box 61 is movably provided with a baffle plate 64; the scraper plate 62 is fixed on a connecting shaft 8, the bottom end of the connecting shaft 8 penetrates through the bottom of the collecting box 61, and the collecting box 61 is fixedly connected with the connecting shaft 8; the top end of the connecting shaft 8 sequentially penetrates through the floating mud layer 7 and the gas collecting hood 21, and the connecting shaft 8 is movably connected with the gas collecting hood 21 through a bearing; the bottom equipartition of scraper blade 62 a plurality of stock guides 63, the mud scraping component 6 is used for striking off and collecting the mud sediment that accumulates on the mud floating layer 7, prevents the jam of mud floating layer 7, and the length of scraper blade 62 is greater than the length of mud floating layer 7 to improve the effect of striking off of mud sediment.
The included angle between the material guide plate 63 and the vertical direction is 30-45 degrees, and the material guide plate 63 is obliquely arranged, so that scraped sludge can slowly fall into the collecting box 61 through the material guide plate 63, and the sludge is favorably prevented from scattering outside the collecting box 61 and entering the separating assembly 5. The collecting box 61 is provided with a limiting groove 611, the baffle plate 64 is movably arranged in the limiting groove 611, the baffle plate 64 can move out along the limiting groove 611, and the arrangement of the baffle plate 64 is convenient for discharging the sludge collected in the collecting box 61.
A speed reducing motor 3 is fixed at the top end part of the connecting shaft 8, and the speed reducing motor 3 is arranged at the top part of the gas collecting hood 21; an L-shaped stirring rod 9 is fixed at the bottom end of the connecting shaft 8, the connecting shaft 8 is driven to rotate through the speed reducing motor 3, the connecting shaft 8 drives the scraper plate 62 to rotate, and sludge carried by gas accumulated at the bottom of the floating sludge layer 7 is continuously scraped, so that the floating sludge layer 7 is prevented from being blocked; meanwhile, the connecting shaft 8 drives the L-shaped stirring rod 9 to rotate continuously, so that the centrifugal motion of water flow outside the separation assembly 5 is facilitated, and the separation effect of sewage is improved conveniently.
The one end that inlet tube 11 is close to 1 inside center of separator is equipped with the tapering, and the bore that inlet tube 11 is close to the one end at 1 inside center of separator reduces gradually to be convenient for improve the discharge velocity of rivers, and then strike water conservancy diversion piece I54 after, be convenient for improve the reposition of redundant personnel effect of water conservancy diversion piece I54.
The top plate 2 is connected with the separating cylinder 1 through a plurality of screws, handles are respectively fixed on two sides of the top plate 2, the top plate 2 can be conveniently mounted and dismounted through the screw connection mode, the screws connected between the top plate 2 and the separating cylinder 1 are screwed out, and the top plate 2 is conveniently lifted through the handles, so that the top plate 2, the gas collecting hood 21, the mud floating layer 7, the mud scraping component 6 and the like can be integrally moved out of the separating cylinder 1 for separation, and mud in the collecting box 61 can be conveniently discharged; the top of the top plate 2 can be embedded with a transparent plate so as to observe the collection condition of the collection box 61, thereby facilitating the discharge of the collected sludge in time.
The water inlet pipe 11 and the sludge discharge pipes 13 are respectively provided with a control valve 4, and the control valves 4 respectively control the water flow entering and the sludge discharging, so that the whole equipment can be conveniently controlled.
The working principle is as follows: when separation is carried out, sewage is discharged into the separation barrel 1 through the water inlet pipe 11, the sewage can be divided to two sides of the separation barrel through the guide blocks I54, the sewage enters the arc-shaped plate I51 after being divided, centrifugal motion of water flow is facilitated through the arc-shaped structure of the arc-shaped plate I51, the water flow entering the arc-shaped plate I is divided again due to the guide blocks II 55, one part of the water flow carries out centrifugal motion in the arc-shaped plate I51 and the corresponding arc-shaped plate II 52, the other part of the water flow enters the arc-shaped plate III 53 to generate centrifugal motion, and a plurality of centrifugal motions can be generated due to the arrangement of the separation assemblies 5, so that the separation effect is effectively improved; meanwhile, the speed reducing motor 3 works to drive the connecting shaft 8 to rotate, and the connecting shaft 8 drives the L-shaped stirring rod 9 to rotate continuously, so that the centrifugal motion of water flow outside the separation assembly 5 is facilitated, and the separation effect of sewage is further improved; gaseous process separation back of sewage, its inside gas can be followed mud slick bed 7 and discharged to the gas collecting channel 21 in, because connecting axle 8 can drive scraper blade 62 rotatory, constantly strike off the mud sediment of 7 bottom accumulations of mud slick bed, thereby help preventing the jam of mud slick bed 7, be convenient for gaseous smooth discharge, the mud that strikes off through scraper blade 62 passes through guide plate 63 and slowly slides and collect in collecting box 61, and because pass through the screw connection between roof 2 and the cylinder 1, make roof 2 can dismantle, thereby can be with roof 2 and gas collecting channel 21, mud slick bed 7, scrape whole such as mud subassembly 6 and remove from cylinder 1 and pull down, and then the convenient timely discharge to the mud sediment in the collecting box 61.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a three-phase separator for municipal sewage treatment which characterized in that: the device comprises a separation barrel (1), wherein a top plate (2) is arranged at the top of the separation barrel (1), and a base (14) is fixed at the bottom of the separation barrel (1); four sludge discharge pipes (13) are uniformly distributed on the upper circumference of the separating cylinder (1), and a water inlet pipe (11) and a water outlet pipe (12) are also arranged on the separating cylinder (1); a plurality of separating components (5) are arranged in the separating cylinder (1), and the separating components (5) are symmetrically and uniformly distributed on two sides of the axis of the water inlet pipe (11);
the separation assembly (5) comprises an arc-shaped plate I (51), an arc-shaped plate II (52) and an arc-shaped plate III (53), a flow guide block II (55) is connected between the arc-shaped plate II (52) and the arc-shaped plate III (53), a flow guide block I (54) is arranged on one side of the arc-shaped plate I (51), and a support column I (541) is connected between the flow guide block I (54) and the top of the base (14); a connecting plate (56) is respectively connected between two adjacent separating assemblies (5) at two sides of the water inlet pipe (11), and a supporting column II (561) is connected between the connecting plate (56) and the top of the base (14);
the gas collecting hood is characterized in that a gas collecting hood (21) is embedded into the center of the inner portion of the top plate (2), a mud floating layer (7) is fixed at the bottom end of the gas collecting hood (21), a mud scraping assembly (6) is arranged at the bottom of the mud floating layer (7), and a plurality of exhaust pipes (211) are uniformly distributed at the top of the gas collecting hood (21).
2. The three-phase separator for municipal sewage treatment according to claim 1, wherein: one side, close to the water inlet pipe (11), of the flow guide block I (54) is of an arc structure, and the flow guide block I (54) is arranged between the corresponding arc plate I (51) and the corresponding arc plate II (52); one side of the flow guide block II (55) close to the arc-shaped plate I (51) is of an arc structure.
3. The three-phase separator for municipal sewage treatment according to claim 1, wherein: the mud scraping assembly (6) comprises a scraping plate (62), the top of the scraping plate (62) is in contact with the bottom of the mud floating layer (7), a collecting box (61) is arranged outside the scraping plate (62), and one end of the collecting box (61) is movably provided with a baffle plate (64); the scraper (62) is fixed on a connecting shaft (8), the bottom end of the connecting shaft (8) penetrates through the bottom of the collecting box (61), and the top end of the connecting shaft (8) sequentially penetrates through the floating mud layer (7) and the gas collecting cover (21); a plurality of material guide plates (63) are uniformly distributed at the bottom of the scraper (62).
4. The three-phase separator for municipal sewage treatment according to claim 3, wherein: the included angle between the material guide plate (63) and the vertical direction is 30-45 degrees.
5. The three-phase separator for municipal sewage treatment according to claim 3, wherein: the collecting box (61) is provided with a limiting groove (611), and the baffle (64) is movably arranged in the limiting groove (611).
6. The three-phase separator for municipal sewage treatment according to claim 3, wherein: a speed reducing motor (3) is fixed at the top end part of the connecting shaft (8); and an L-shaped stirring rod (9) is fixed at the bottom end of the connecting shaft (8).
7. The three-phase separator for municipal sewage treatment according to claim 1, wherein: one end of the water inlet pipe (11) close to the inner center of the separating cylinder (1) is provided with a taper.
8. The three-phase separator for municipal sewage treatment according to claim 1, wherein: the top plate (2) is connected with the separating cylinder (1) through a plurality of screws, and handles are respectively fixed on two sides of the top plate (2).
9. The three-phase separator for municipal sewage treatment according to claim 1, wherein: control valves (4) are respectively arranged on the water inlet pipe (11) and each sludge discharge pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632532.9A CN112811629A (en) | 2020-12-31 | 2020-12-31 | Three-phase separator for urban sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632532.9A CN112811629A (en) | 2020-12-31 | 2020-12-31 | Three-phase separator for urban sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112811629A true CN112811629A (en) | 2021-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011632532.9A Withdrawn CN112811629A (en) | 2020-12-31 | 2020-12-31 | Three-phase separator for urban sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN112811629A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090139192A1 (en) * | 2007-12-03 | 2009-06-04 | Sams Gary W | Revolution Vortex Tube Gas/Liquids Separator |
| CN102671502A (en) * | 2012-05-18 | 2012-09-19 | 华东理工大学 | Gas-liquid inertia separation and distribution coupling unit and separator adopting same |
| JP2015174084A (en) * | 2014-03-12 | 2015-10-05 | 有限会社フジカ | Sludge scraping device |
| CN106512484A (en) * | 2016-11-29 | 2017-03-22 | 森松（江苏）重工有限公司 | Detachable multi-cylinder centrifugal inlet internal part based on three-phase separator |
| CN107746088A (en) * | 2017-12-15 | 2018-03-02 | 南京菱亚汽车技术研究院 | A kind of high energy-saving air-floating apparatus of operating efficiency for sewage disposal |
| CN208414026U (en) * | 2018-05-08 | 2019-01-22 | 中冶集团武汉勘察研究院有限公司 | A kind of separation of Multi-stage spiral and filter device |
| CN209423859U (en) * | 2018-11-09 | 2019-09-24 | 黑龙江省宝泉岭农垦帝源矿业有限公司 | A kind of flotation device |
| CN111499135A (en) * | 2020-04-30 | 2020-08-07 | 青岛羚角化工技术有限责任公司 | Plate-type sludge continuous fermentation tower |
| CN211497096U (en) * | 2019-09-23 | 2020-09-15 | 欧润吉生态环保(浙江)有限公司 | Three-phase separator for treating sewage |
| CN212091046U (en) * | 2019-11-05 | 2020-12-08 | 诸暨市澳速机械设计工作室 | Sewage treatment pond mud sediment collection limit collection device that floats |
-
2020
- 2020-12-31 CN CN202011632532.9A patent/CN112811629A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090139192A1 (en) * | 2007-12-03 | 2009-06-04 | Sams Gary W | Revolution Vortex Tube Gas/Liquids Separator |
| CN102671502A (en) * | 2012-05-18 | 2012-09-19 | 华东理工大学 | Gas-liquid inertia separation and distribution coupling unit and separator adopting same |
| JP2015174084A (en) * | 2014-03-12 | 2015-10-05 | 有限会社フジカ | Sludge scraping device |
| CN106512484A (en) * | 2016-11-29 | 2017-03-22 | 森松（江苏）重工有限公司 | Detachable multi-cylinder centrifugal inlet internal part based on three-phase separator |
| CN107746088A (en) * | 2017-12-15 | 2018-03-02 | 南京菱亚汽车技术研究院 | A kind of high energy-saving air-floating apparatus of operating efficiency for sewage disposal |
| CN208414026U (en) * | 2018-05-08 | 2019-01-22 | 中冶集团武汉勘察研究院有限公司 | A kind of separation of Multi-stage spiral and filter device |
| CN209423859U (en) * | 2018-11-09 | 2019-09-24 | 黑龙江省宝泉岭农垦帝源矿业有限公司 | A kind of flotation device |
| CN211497096U (en) * | 2019-09-23 | 2020-09-15 | 欧润吉生态环保(浙江)有限公司 | Three-phase separator for treating sewage |
| CN212091046U (en) * | 2019-11-05 | 2020-12-08 | 诸暨市澳速机械设计工作室 | Sewage treatment pond mud sediment collection limit collection device that floats |
| CN111499135A (en) * | 2020-04-30 | 2020-08-07 | 青岛羚角化工技术有限责任公司 | Plate-type sludge continuous fermentation tower |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210518 |