CN113350852B - Impurity treatment device for municipal sewage - Google Patents
Impurity treatment device for municipal sewage Download PDFInfo
- Publication number
- CN113350852B CN113350852B CN202110907585.5A CN202110907585A CN113350852B CN 113350852 B CN113350852 B CN 113350852B CN 202110907585 A CN202110907585 A CN 202110907585A CN 113350852 B CN113350852 B CN 113350852B
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- case
- wall
- fixedly connected
- sewage
- filter screen
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- 239000010865 sewage Substances 0.000 title claims abstract description 55
- 239000012535 impurity Substances 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 210000002414 leg Anatomy 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
Abstract
The invention discloses an impurity treatment device for urban sewage, which comprises a case, wherein the top case wall of the case is hermetically connected with a water inlet pipe, the bottom outer wall of the case is fixedly connected with a plurality of supporting legs, the bottom case wall of the case is hermetically connected with a water outlet pipe, the middle part of one side case wall of the case is provided with a connecting port, the outer wall of the case, which is positioned on the connecting port, is fixedly connected with a shunt box, and the bottom of the shunt box is hermetically connected with a water guide pipe. This equipment utilizes the potential energy of rivers to turn into the kinetic energy of pivot through belt drive and gear drive, makes the winding bar twine hair or rope class impurity in to the sewage, avoids the hair to block up the mesh, judges the filter conditions through first filter screen pressurized state simultaneously, realizes the separation of impurity and sewage, later utilizes rivers potential energy electricity generation once more, clears up the impurity discharge case in the flow distribution box outward, and whole process need not manual control, and is more intelligent.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an impurity treatment device for urban sewage.
Background
The urban sewage is doped with impurities such as sludge and hair, and through retrieval, the impurity filtering auxiliary device for urban sewage treatment, which is provided by China's authorization publication No. CN109224575B, comprises a filter and a filter plate, wherein a flow chamber is arranged inside the filter, and the top end of the flow chamber is communicated with an observation port, so that the working efficiency of the filter can be improved through the step of repeatedly taking and placing the filter plate by an operator, and meanwhile, the waste of labor resources is reduced; and enhances the consistency of wastewater treatment by reducing the impact on the wastewater treatment process.
However, the present invention has the following problems: the filter needs operating personnel control motor to come to get repeatedly and puts, has increased labour and resource consumption, and when the debris on the net face were emptyd in the upset to the filter screen simultaneously, the condition that leaks appears in the department of opening of sewage very easily through the guard plate, and overall design is reasonable inadequately, for this reason, provides an impurity treatment device for municipal sewage.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an impurity treatment device for municipal sewage.
In order to achieve the purpose, the invention adopts the following technical scheme:
an impurity treatment device for urban sewage comprises a case, wherein the top case wall of the case is hermetically connected with a water inlet pipe, the bottom outer wall of the case is fixedly connected with a plurality of supporting legs, the bottom case wall of the case is hermetically connected with a water outlet pipe, a connector is arranged in the middle of one side case wall of the case, a shunt case is fixedly connected to the outer wall of the case, which is positioned on the connector, the bottom of the shunt case is hermetically connected with a water guide pipe, the lower end of the water guide pipe is fixedly connected with the outer pipe wall of the water outlet pipe, the water guide pipe is hermetically communicated with the water outlet pipe, a filter mechanism is arranged in the case, and a sewage discharge device is arranged in the shunt case;
the filtering mechanism comprises a first filter screen, moving grooves are formed in the inner walls of two sides of the case, the two ends of the first filter screen are respectively connected with the moving grooves on the two sides in a sliding mode, the first filter screen is obliquely arranged and faces one side of the connecting port, sliding cavities are formed in the case wall of the case and are located right below the two moving grooves, the upper end of each sliding cavity is communicated with the moving grooves, a sliding plate is connected in a sealing and sliding mode in each sliding cavity, a spring is fixedly connected to the bottom end of each sliding plate, the lower end of each spring is fixedly connected with the bottom cavity wall of each sliding cavity, and the upper ends of the two sliding plates are fixedly connected with the bottom surface of the first filter screen;
the inner wall of the case below the movable groove is fixedly connected with a guide plate, the front and rear case walls of the case below the guide plate are rotatably connected with a main shaft, the main shaft is fixedly connected with a plurality of rotating plates in an annular alignment manner, the inner wall of the upper end of the case is rotatably connected with two rotating shafts, and a plurality of winding bars are fixedly connected on the two rotating shafts;
one end of the main shaft penetrates through the outer wall of the case and is coaxially and fixedly connected with a driving wheel, one ends of the two rotating shafts penetrate through the outer wall of the case, one end of one rotating shaft, which is positioned outside the case, is coaxially and fixedly connected with a driven wheel, the driving wheel and the driven wheel are jointly sleeved with a transmission belt, one ends of the two rotating shafts, which are positioned outside the case, are coaxially and fixedly connected with gears, and the two gears are mutually meshed;
the sewage discharging device comprises a second filter screen, a sewage discharging port is formed in the wall of one side of the flow dividing box, an electric valve plate is rotatably connected to the position, located at the sewage discharging port, of the flow dividing box, a groove is formed in the inner wall, located at one side, away from the sewage discharging port, of the flow dividing box, the groove wall, located at the upper end, of the two sides of the groove is rotatably connected with a first connecting plate through a pin shaft, the inner wall, located at the sewage discharging port, of the case is rotatably connected with a second connecting plate through a pin shaft, and the two ends of the second filter screen are rotatably connected with the first connecting plate and one side, away from the rotary connection, of the second connecting plate through pin shafts;
the outer wall of the flow distribution box, which is positioned right below the sewage discharge outlet, is fixedly connected with a sewage collection box, the lower end of one sliding plate is embedded with a power-on strip, the cavity walls at two sides of a sliding cavity positioned at one side of the power-on strip are respectively embedded with power-on blocks, and the two power-on blocks are connected with the electric valve plate in series through wires;
every all bury underground the magnetic stripe in the rotor plate, bury underground in one side inner wall of quick-witted case and have the conducting rod, the conducting rod passes through the wire and is connected with electric valve plate electricity.
Furthermore, the conductive rod and the main shaft are located on the same horizontal plane, and torsional springs are arranged at the rotating connection positions of the first connecting plate, the second connecting plate and the shunt box.
The invention has the following advantages:
this equipment utilizes the potential energy of rivers to turn into the kinetic energy of pivot through belt drive and gear drive, makes the winding bar twine hair or rope class impurity in to the sewage, avoids the hair to block up the mesh, judges the filter conditions through first filter screen pressurized state simultaneously, realizes the separation of impurity and sewage, later utilizes rivers potential energy electricity generation once more, clears up the impurity discharge case in the flow distribution box outward, and whole process need not manual control, and is more intelligent.
Drawings
FIG. 1 is a schematic structural view of an impurity treatment apparatus for municipal sewage according to the present invention;
FIG. 2 is a schematic view showing an internal structure of an impurity treatment apparatus for municipal sewage according to the present invention;
FIG. 3 is a side sectional view showing the construction of an impurity treatment apparatus for municipal sewage according to the present invention;
FIG. 4 is a schematic structural view of an impurity treatment apparatus for municipal sewage from another angle according to the present invention;
FIG. 5 is an enlarged view of the point A in FIG. 2;
FIG. 6 is an enlarged view of the point B in FIG. 3;
FIG. 7 is a schematic view showing the structure of a flow distribution box part of an impurity treatment apparatus for municipal sewage according to the present invention.
In the figure: the device comprises a case 1, a water inlet pipe 2, supporting legs 3, a water outlet pipe 4, a connecting port 5, a flow dividing box 6, a water guide pipe 7, a moving groove 8, a first filter screen 9, a sliding cavity 10, a spring 11, a sliding plate 12, a flow guide plate 13, a main shaft 14, a rotating plate 15, a rotating shaft 16, a winding bar 17, a driving wheel 18, a driven wheel 19, a driving belt 20, a gear 21, a sewage discharge port 22, an electric valve plate 23, a groove 24, a first connecting plate 25, a second connecting plate 26, a second filter screen 27, a sewage collecting box 28, a power-on strip 29, a power-on block 30 and a conductive rod 31.
Detailed Description
Referring to fig. 1, an impurity treatment device for municipal sewage, including quick-witted case 1, the top tank wall sealing connection of quick-witted case 1 has an inlet tube 2, many supporting legss 3 of fixedly connected with on the bottom outer wall of quick-witted case 1, the bottom tank wall sealing connection of quick-witted case 1 has an outlet pipe 4, connector 5 has been seted up to the middle part position of one side tank wall of quick-witted case 1, fixedly connected with reposition of redundant personnel case 6 on the outer wall that is located connector 5 of quick-witted case 1, the bottom sealing connection of reposition of redundant personnel case 6 has a aqueduct 7, the lower extreme of aqueduct 7 and the outer pipe wall fixed connection of outlet pipe 4, aqueduct 7 and the sealed intercommunication of outlet pipe 4, be equipped with filter mechanism in the quick-witted case 1, be equipped with waste fitting discharging device in the reposition of redundant personnel case 6.
Referring to fig. 2-4, the filtering mechanism includes a first filter screen 9, moving grooves 8 are respectively formed in inner walls of two sides of the case 1, the two ends of the first filter screen 9 are respectively connected with the moving grooves 8 of the two sides in a sliding manner, the first filter screen 9 is arranged in an inclined manner and faces one side of the connector 5, sliding cavities 10 are respectively formed in the case walls of the case 1 under the two moving grooves 8, the upper end of each sliding cavity 10 is communicated with the moving grooves 8, a sliding plate 12 is connected in each sliding cavity 10 in a sliding manner in a sealing manner, springs 11 are fixedly connected to the bottom ends of each sliding plate 12, the lower end of each spring 11 is fixedly connected to the bottom cavity wall of each sliding cavity 10, and the upper ends of the two sliding plates 12 are fixedly connected to the bottom surface of the first filter screen 9.
Fixed connection guide plate 13 on the inner wall of quick-witted case 1 below shifting chute 8, it is connected with a main shaft 14 to rotate on the front and back tank wall that quick-witted case 1 is located guide plate 13 below, with annular permutation's mode fixedly connected with polylith rotor plate 15 on main shaft 14, it is connected with two pivot 16 to rotate on the upper end inner wall of quick-witted case 1, a plurality of winding bars 17 of fixedly connected with on two pivot 16, the outer wall and the coaxial fixedly connected with action wheel 18 of quick-witted case 1 are run through to the one end of main shaft 14, the outer wall of quick-witted case 1 is all run through to the one end of two pivot 16, one of them pivot 16 is located quick-witted case 1 outer one end coaxial fixed connection from driving wheel 19, action wheel 18 overlaps with from driving wheel 19 jointly and is equipped with a drive belt 20, two pivot 16 are located the equal coaxial fixedly connected with gear 21 of quick-witted case 1 outer one end, two gear 21 intermeshing.
Referring to fig. 5 and 6, waste fitting discharging includes second filter screen 27, drain 22 has been seted up on one side tank wall of flow divider 6, flow divider 6 is located drain 22 and rotates and is connected with electronic valve plate 23, set up recess 24 on the inner wall that flow divider 6 kept away from drain 22 one side, recess 24 is located the both sides cell wall of upper end and rotates through the round pin axle and be connected with first connecting plate 25, it is connected with second connecting plate 26 to rotate through the round pin axle on the inner wall that quick-witted case 1 is located drain 22, the both ends of second filter screen 27 are kept away from with first connecting plate 25 and second connecting plate 26 respectively and are rotated through the round pin axle and be connected one side of being connected.
The outer wall of the shunting box 6 under the sewage discharge outlet 22 is fixedly connected with a sewage collection box 28, the lower end of one sliding plate 12 is embedded with an electrifying strip 29, the cavity walls at two sides of a sliding cavity 10 at one side of the electrifying strip 29 are respectively embedded with an electrifying block 30, the two electrifying blocks 30 are connected with an electric valve plate 23 in series through a wire, when no water pressure exists on the first filter screen 9, the electrifying strip 29 and the two electrifying blocks 30 are in a non-contact state, a magnetic strip is embedded in each rotating plate 15, a conductive rod 31 is embedded in the inner wall at one side of the case 1, the conductive rod 31 is electrically connected with the electric valve plate 23 through a wire, the electric valve plate 23 is opened after being electrified and closed after being powered off, sealing strips are arranged on the periphery of the electric valve plate 23, a good sealing effect can be achieved when the electric valve plate is closed, the conductive rod 31 and the main shaft 14 are positioned on the same horizontal plane, torsional springs are arranged at the rotating connection positions of the first connecting plate 25 and the second connecting plate 26 and the shunting box 6, the torsion springs of the first and second connection plates 25 and 26 have a tendency to rotate toward the side of the soil discharge opening 22.
This equipment is when using, municipal sewage will get into quick-witted incasement 1 through inlet tube 2, sewage at first reaches first filter screen 9, impurity in the sewage is blockked by first filter screen 9 and is piled up on first filter screen 9, collect to one side flow under the effect of guide plate 13 through the vertical whereabouts of sewage of first filter screen 9, sewage whereabouts after gathering is to rotor plate 15 on, the potential energy that utilizes rivers makes polylith rotor plate 15 upset drive main shaft 14 rotatory, through the drive wheel 18 and the belt drive of following driving wheel 19 and the meshing transmission of gear 21, make two pivot 16 take place same speed antiport, make on the pivot 16 kinking stick 17 twine the hair or the rope class impurity in the sewage, avoid hair to flow into first filter screen 9 and block up the mesh, be difficult to clear up.
Along with the more sundries on the first filter screen 9, the meshes are gradually shielded, the water pressure borne by the first filter screen 9 and the gravity of the sundries are gradually increased, the first filter screen 9 slides downwards until the mesh surface of the first filter screen 9 is lower than the connecting port 5, the water flow carries the sundries on the first filter screen 9 together to the diversion box 6, along with the leaving of the sundries and the reduction of the water pressure, the first filter screen 9 slides back upwards under the action of the spring 11, the connecting port 5 is closed by the sliding plate 12, the sewage continues to be filtered by the first filter screen 9, part of the sewage and a large amount of sundries entering the diversion box 6 fall on the second filter screen 27, and after standing for a period of time at one end, the sewage flows into the water outlet pipe 4 from the water guide pipe 7 through the second filter screen 27 and flows away along with the sewage filtered and treated in the case 1, and the impurities such as sludge and the like are accumulated on the second filter screen 27, along with the accumulation of the sundries on the first filter screen 9 in the case 1, the sliding plate 12 in the sliding cavity 10 will slide down, the conducting strip 29 on the sliding plate 12 is just in contact with the conducting blocks 30 on the two side cavity walls in a certain period of time, at this time, the circuit where the electric valve plate 23 is located is in a conducting state, the rotating plate 15 is always in a rotating state under the action of the potential energy of the water current, the magnetic stripe in the rotating plate 15 is relative to the static conducting rod 31 in the box wall, which is equivalent to the conducting rod 31 cutting the magnetic induction line of the magnetic stripe, an induced current will be generated in the conducting rod 31, the induced current will supply power to the electric valve plate 23, the electric valve plate 23 is turned on after being powered on, the first connecting plate 25 and the second connecting plate 26 are turned over towards the sewage discharge port 22 under the action of the torsion spring to drive the second filter screen 27 to move together, at this time, the rotating state of the second filter screen 27 is as shown in fig. 7, impurities on the second filter screen 27 will leave the flow distribution box 6 along the inclined second filter screen 27 and slide down to the sewage collection box 28, and finishing the cleaning of impurities.
Claims (2)
1. An impurity treatment device for urban sewage comprises a case (1) and is characterized in that the top case wall of the case (1) is hermetically connected with a water inlet pipe (2), the bottom outer wall of the case (1) is fixedly connected with a plurality of supporting legs (3), the bottom case wall of the case (1) is hermetically connected with a water outlet pipe (4), the middle position of the case wall on one side of the case (1) is provided with a connecting port (5), the outer wall of the case (1) positioned on the connecting port (5) is fixedly connected with a shunt box (6), the bottom of the shunt box (6) is hermetically connected with a water guide pipe (7), the lower end of the water guide pipe (7) is fixedly connected with the outer pipe wall of the water outlet pipe (4), the water guide pipe (7) is hermetically communicated with the water outlet pipe (4), and a filter mechanism is arranged in the case (1), a sewage discharge device is arranged in the flow dividing box (6); the filtering mechanism comprises a first filter screen (9), moving grooves (8) are formed in the inner walls of the two sides of the case (1), the two ends of the first filter screen (9) are connected with the moving grooves (8) on the two sides in a sliding mode respectively, the first filter screen (9) is arranged in an inclined mode and faces one side of the connecting port (5), sliding cavities (10) are formed in the case wall under the two moving grooves (8) of the case (1), the upper end of each sliding cavity (10) is communicated with the moving grooves (8), sliding plates (12) are connected in each sliding cavity (10) in a sliding mode in a sealing mode, springs (11) are fixedly connected to the bottom ends of the sliding plates (12), the lower end of each spring (11) is fixedly connected with the bottom cavity wall of each sliding cavity (10), and the upper ends of the two sliding plates (12) are fixedly connected with the bottom surface of the first filter screen (9);
the inner wall of the case (1) below the movable groove (8) is fixedly connected with a guide plate (13), the front and rear case walls of the case (1) below the guide plate (13) are rotatably connected with a main shaft (14), the main shaft (14) is fixedly connected with a plurality of rotating plates (15) in an annular array mode, the inner wall of the upper end of the case (1) is rotatably connected with two rotating shafts (16), and a plurality of winding bars (17) are fixedly connected with the two rotating shafts (16);
one end of the main shaft (14) penetrates through the outer wall of the case (1) and is coaxially and fixedly connected with a driving wheel (18), one ends of the two rotating shafts (16) penetrate through the outer wall of the case (1), one end of one rotating shaft (16) positioned outside the case (1) is coaxially and fixedly connected with a driven wheel (19), the driving wheel (18) and the driven wheel (19) are jointly sleeved with a transmission belt (20), one ends of the two rotating shafts (16) positioned outside the case (1) are coaxially and fixedly connected with gears (21), and the two gears (21) are meshed with each other;
the sewage discharging device comprises a second filter screen (27), a sewage discharging port (22) is formed in the wall of one side of the flow dividing box (6), the flow dividing box (6) is positioned at the sewage discharging port (22) and is rotatably connected with an electric valve plate (23), a groove (24) is formed in the inner wall of one side, far away from the sewage discharging port (22), of the flow dividing box (6), the groove walls of the two sides, located at the upper end of the groove (24), are rotatably connected with a first connecting plate (25) through pin shafts, the inner wall, located at the sewage discharging port (22), of the case (1) is rotatably connected with a second connecting plate (26) through pin shafts, and the two ends of the second filter screen (27) are respectively rotatably connected with the first connecting plate (25) and one side, far away from the rotary connection, of the second connecting plate (26) through pin shafts;
the outer wall of the flow distribution box (6) which is positioned right below the sewage discharge port (22) is fixedly connected with a sewage collection box (28), the lower end of one sliding plate (12) is embedded with a power-on strip (29), the cavity walls at two sides of a sliding cavity (10) on one side of the power-on strip (29) are embedded with power-on blocks (30), and the two power-on blocks (30) are connected with the electric valve plate (23) in series through wires;
every magnetic stripe has all been buried underground in rotor plate (15), conducting rod (31) have been buried underground in the one side inner wall of quick-witted case (1), conducting rod (31) are connected through wire and electric valve plate (23) electricity.
2. The impurity treatment device for municipal sewage according to claim 1, wherein the conductive rod (31) is in the same horizontal plane as the main shaft (14), and torsion springs are disposed at the rotational joints of the first connecting plate (25) and the second connecting plate (26) with the diversion box (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110907585.5A CN113350852B (en) | 2021-08-09 | 2021-08-09 | Impurity treatment device for municipal sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110907585.5A CN113350852B (en) | 2021-08-09 | 2021-08-09 | Impurity treatment device for municipal sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113350852A CN113350852A (en) | 2021-09-07 |
| CN113350852B true CN113350852B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110907585.5A Active CN113350852B (en) | 2021-08-09 | 2021-08-09 | Impurity treatment device for municipal sewage |
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| CN (1) | CN113350852B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114307305B (en) * | 2022-01-05 | 2023-06-23 | 新疆八方汇禹环保科技有限公司 | Small-sized sewage treatment device |
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| CN107662982A (en) * | 2017-11-08 | 2018-02-06 | 繁昌县晶鑫贸易有限公司 | A kind of New foul water disposal facility |
| CN209835785U (en) * | 2019-01-28 | 2019-12-24 | 常德远程服装科技有限公司 | Textile printing and dyeing sewage treatment device |
| CN213738848U (en) * | 2020-10-15 | 2021-07-20 | 奉美建设集团有限公司 | Renewable energy green building integrated system |
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Denomination of invention: An impurity treatment device for urban sewage Effective date of registration: 20220707 Granted publication date: 20211026 Pledgee: Nantong Branch of Bank of Nanjing Co.,Ltd. Pledgor: JIANGSU BANGTEC ENVIRONMENTAL SCI-TECH Co.,Ltd. Registration number: Y2022320010343 |
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