CN113480006A - Sewage treatment bilobed wheel backwash pump based on CRI system - Google Patents
Sewage treatment bilobed wheel backwash pump based on CRI system Download PDFInfo
- Publication number
- CN113480006A CN113480006A CN202110822941.3A CN202110822941A CN113480006A CN 113480006 A CN113480006 A CN 113480006A CN 202110822941 A CN202110822941 A CN 202110822941A CN 113480006 A CN113480006 A CN 113480006A
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- Prior art keywords
- impeller
- gear shaft
- pipe
- pump
- sewage treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000010992 reflux Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 241000883990 Flabellum Species 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a sewage treatment double-impeller reflux pump based on a CRI system, which relates to the technical field of reflux pumps and comprises a pump pipe: the pump comprises a pump tube and a pump core, wherein the pump core is arranged inside the pump tube, a motor is arranged at the top of the pump tube, the pump core comprises a gear box, a gear shaft assembly, a first impeller and a second impeller, the gear box is used for installing the gear shaft assembly, the gear shaft assembly is used for driving the gear shaft assembly to rotate by a motor so as to drive the first impeller and the second impeller to rotate to enable the first impeller and the second impeller to convey media, a protection device is arranged on the pump tube and close to the upper portion of the pump core, the protection device comprises a sealing cover, and a stainless steel pipe is arranged at the top of the sealing cover.
Description
Technical Field
The invention belongs to the technical field of reflux pumps, and particularly relates to a sewage treatment double-impeller reflux pump based on a CRI system.
Background
In the sewage treatment process, the reflux pump is used for refluxing the mixed liquid in the O pool to the A pool, so that the nitrate nitrogen in the O pool is refluxed to the A pool for denitrification, the nitrate nitrogen is converted into nitrogen, and the denitrification is realized.
Disclosure of Invention
In view of this, the present invention provides a sewage treatment double-impeller reflux pump based on the CRI system, so as to effectively solve the problems that the single-impeller reflux pump proposed in the above background art cannot save energy, and a pump body motor is easy to rust when located underwater.
In order to achieve the purpose, the invention provides the following technical scheme: a sewage treatment bilobed wheel backwash pump based on CRI system includes pump line: a pump core is arranged in the pump pipe, and a motor is arranged at the top of the pump pipe;
the pump core comprises a gear box, a gear shaft assembly, a first impeller and a second impeller, wherein the gear box is used for installing the gear shaft assembly, and the gear shaft assembly is used for driving the gear shaft assembly to rotate through a motor so as to drive the first impeller and the second impeller to rotate and enable the first impeller and the second impeller to convey media.
Preferably, a protection device is arranged on the pump pipe close to the upper part of the pump core, the protection device comprises a sealing cover, a stainless steel pipe is arranged at the top of the sealing cover, a bearing seat is arranged in the sealing cover, and a connecting shaft is arranged above the bearing seat;
the tip of connecting axle extends to the outside of nonrust steel pipe, and the wind wheel is installed to the tip of connecting axle, install the flabellum on the connecting axle, the outlet duct is installed to nonrust steel pipe top one side.
Preferably, one end of the pump pipe is provided with a first adapter pipe, the other end of the pump pipe is provided with a second adapter pipe, one end of the first adapter pipe is provided with a first conduit, and one end of the second adapter pipe is provided with a second conduit;
the pipe is installed to the tip of first pipe, and the internally mounted of pipe has the magnetic path, the through-hole has been seted up to the one end of first adapter tube, the inserted bar is installed to one side of through-hole, and the bottom of inserted bar extends to the inside of pipe, rings are installed at the top of inserted bar.
Preferably, the gear shaft assembly comprises a first gear shaft, a second gear shaft and a third gear shaft, the first gear shaft and the third gear shaft are symmetrically arranged on the gear box, and the second gear shaft is arranged in the middle of the gear box.
Preferably, one end of the first gear shaft extends to the outside of the gear box, the end of the first gear shaft is connected with the first impeller, one end of the third gear shaft extends to the outside of the gear box, and the end of the third gear shaft is connected with the second impeller.
Preferably, the teeth of the first gear shaft are in meshed connection with the teeth of the second gear shaft, and the teeth of the third gear shaft are in meshed connection with the teeth of the second gear shaft.
Preferably, the diameter of the first impeller is smaller than that of the second impeller, and the rotation directions of the first impeller and the second impeller are opposite.
Preferably, the first adapter tube and the second adapter tube are both of L-shaped structures, and one end of the first adapter tube is provided with a short tube.
Preferably, the short pipe has the same diameter as the inner diameter of the first guide pipe, and the outer wall of the short pipe is in transition fit with the inner wall of the first guide pipe.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, through the double-impeller pump core structure, the bevel gear shaft transmission mechanism is utilized to drive the two impellers with different sizes to rotate, the first impeller and the second impeller are opposite in steering, when the second impeller rotates, the vortex energy in the wake flow of the second impeller is utilized by the first impeller, and the vortex energy in the wake flow of the second impeller is converted into effective propulsion power, so that the electric energy is saved, the loss of the pump core is reduced, and the backflow efficiency is improved.
(2) According to the invention, the motor is protected by the protection device, and the motor is not contacted with sewage when being positioned underwater, so that the motor is protected from being corroded by the sewage, a fastener for installing the motor is protected, the reflux pump is maintained conveniently, the failure rate is reduced, and the service life of sewage treatment equipment is prolonged.
(3) According to the invention, the adapter tube is inserted at the end part of the conduit through the adapter tube structure, the adapter tube is connected to the conduit through the insertion rod, the conduit is provided with the magnetic attraction structure, and the insertion rod is fixed through the magnetic attraction structure, so that the reflux pump can be quickly disassembled when being maintained, the diving operation of a worker is not required, and the safety of the worker in the maintenance operation is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an external view of the present invention;
FIG. 3 is a schematic structural view of the pump cartridge of the present invention;
FIG. 4 is a schematic structural diagram of the protection device of the present invention;
FIG. 5 is a top view of the first adapter tube of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1;
FIG. 7 is an external view of a first adapter tube according to the present invention;
in the figure: 1-a first conduit; 2-a first adapter tube; 3-a pump pipe; 4-a protection device; 41-stainless steel tube; 5-a connecting shaft; 6-wind wheel; 7-an air outlet pipe; 8-sealing cover; 9-a motor; 10-a second adapter tube; 11-a pump core; 12-a second conduit; 13-round tube; 14-a first impeller; 15-a first gear shaft; 16-a second gear shaft; 17-a gearbox; 18-a second impeller; 19-a third gear shaft; 20-fan blades; 21-a bearing seat; 22-a through hole; 23-a hoisting ring; 24-a plunger; 25-magnetic block; 26-short pipe.
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. 1-7, the present invention provides the following technical solutions: a sewage treatment double-impeller reflux pump based on a CRI system comprises a pump pipe 3: a pump core 11 is arranged in the pump pipe 3, and a motor 9 is arranged at the top of the pump pipe 3;
the pump core 11 comprises a gear box 17, a gear shaft assembly, a first impeller 14 and a second impeller 18, wherein the gear box 17 is used for mounting the gear shaft assembly, and the gear shaft assembly is used for driving the gear shaft assembly to rotate by the motor 9 so as to drive the first impeller 14 and the second impeller 18 to rotate, so that the first impeller 14 and the second impeller 18 convey media;
in this embodiment, specifically, the motor 9 is electrified and then works, the main shaft of the motor 9 drives the second gear shaft 16 to rotate, the second gear shaft 16 drives the first gear shaft 15 to rotate, meanwhile, the second gear shaft 16 drives the third gear shaft 19 to rotate, the first gear shaft 15 drives the first impeller 14 to rotate, when the third gear shaft 19 drives the second impeller 18 to rotate, the vortex energy in the wake flow of the second impeller 18 is effectively used for propelling, the first impeller 14 is more easily rotated under the action of the propelling force, which is beneficial to reducing the conveying power of the motor 9 and realizing energy conservation.
Preferably, a protection device 4 is arranged on the pump pipe 3 close to the upper part of the pump core 11, the protection device 4 comprises a sealing cover 8, the bottom end of the sealing cover 8 is connected with the outer wall of the top end of the gear box 17 in a screwing mode through threads and sealed through a sealing gasket, the top of the sealing cover 8 is connected with a stainless steel pipe 41 in a screwing mode through threads, a bearing seat 21 is arranged inside the sealing cover 8, and a connecting shaft 5 is arranged above the bearing seat 21;
the end part of the connecting shaft 5 extends to the outside of the stainless steel tube 41, the end part of the connecting shaft 5 is provided with a wind wheel 6, the connecting shaft 5 is provided with fan blades 20, and one side of the top of the stainless steel tube 41 is provided with an air outlet pipe 7;
in this embodiment, specifically, stainless steel pipe 41 extends to the effluent water sump outside, and wind wheel 6 is blown by the air, and wind wheel 6 rotates and drives connecting axle 5 and rotate, and connecting axle 5 drives the flabellum 20 that is located stainless steel pipe 41 inside, and flabellum 20 drives the inside air of sealed cowling 8 when rotating, and the hot-air in the sealed cowling 8 is discharged from outlet duct 7, and outlet duct 7 is used for sealed cowling 8 and outside air to take a breath.
Preferably, one end of the pump tube 3 is provided with a first adapter tube 2, the other end is provided with a second adapter tube 10, one end of the first adapter tube 2 is provided with a first conduit 1, and one end of the second adapter tube 10 is provided with a second conduit 12; specifically, the ends of the first conduit 1 and the second conduit 12 are connected to the valve well.
The end part of the first guide pipe 1 is provided with a circular pipe 13, a magnetic block 25 is arranged inside the circular pipe 13, one end of the first adapter pipe 2 is provided with a through hole 22, one side of the through hole 22 is provided with an insertion rod 24, the bottom end of the insertion rod 24 extends into the circular pipe 13, and the top part of the insertion rod 24 is provided with a hanging ring 23;
in this embodiment, specifically, after the short pipe 26 at the end of the first adapter pipe 2 is inserted into the first conduit 1, the end of the first adapter pipe 2 and the end of the first conduit 1 are connected with flanges, the flanges at the end of the first adapter pipe 2 and the end of the first conduit 1 are attached to each other, the flanges are closely attached to each other under the self gravity of the reflux pump, the insertion rod 24 penetrates through the through hole 22 and is inserted into the circular pipe 13, the end of the insertion rod 24 is tightly sucked, when the reflux pump is disassembled, the hanging ring 23 is hooked by the hanging hook from the outside and is pulled upwards with force, the first adapter pipe 2, the second adapter pipe 10 and the pump pipe 3 are pulled upwards, and the reflux pump can be pulled out of the water surface.
Preferably, the gear shaft assembly includes a first gear shaft 15, a second gear shaft 16 and a third gear shaft 19, the first gear shaft 15 and the third gear shaft 19 are symmetrically installed on the gear box 17, and the second gear shaft 16 is installed in the middle of the gear box 17.
Preferably, one end of the first gear shaft 15 extends to the outside of the gear case 17, and an end of the first gear shaft 15 is connected to the first impeller 14, one end of the third gear shaft 19 extends to the outside of the gear case 17, and an end of the third gear shaft 19 is connected to the second impeller 18.
Preferably, the teeth of the first gear shaft 15 are in meshing connection with the teeth of the second gear shaft 16, and the teeth of the third gear shaft 19 are in meshing connection with the teeth of the second gear shaft 16.
Preferably, the diameter of the first impeller 14 is smaller than the diameter of the second impeller 18, and the first impeller 14 and the second impeller 18 rotate in opposite directions.
Preferably, the first adapter tube 2 and the second adapter tube 10 are both L-shaped structures, and one end of the first adapter tube 2 is provided with a short tube 26.
Preferably, the diameter of the short pipe 26 is the same as the inner diameter of the first guide pipe 1, and the outer wall of the short pipe 26 is in transition fit with the inner wall of the first guide pipe 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A sewage treatment double-impeller reflux pump based on a CRI system comprises a pump pipe (3): a pump core (11) is arranged in the pump pipe (3), and a motor (9) is arranged at the top of the pump pipe (3);
the method is characterized in that: the pump core (11) comprises a gear box (17), a gear shaft assembly, a first impeller (14) and a second impeller (18), wherein the gear box (17) is used for mounting the gear shaft assembly, and the gear shaft assembly is used for driving the gear shaft assembly to rotate through a motor (9) so as to drive the first impeller (14) and the second impeller (18) to rotate, so that the first impeller (14) and the second impeller (18) can convey media.
2. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 1, wherein: a protection device (4) is arranged on the pump pipe (3) and close to the upper part of the pump core (11), the protection device (4) comprises a sealing cover (8), a stainless steel pipe (41) is arranged at the top of the sealing cover (8), a bearing seat (21) is arranged in the sealing cover (8), and a connecting shaft (5) is arranged above the bearing seat (21);
the tip of connecting axle (5) extends to the outside of nonrust steel pipe (41), and wind wheel (6) are installed to the tip of connecting axle (5), install flabellum (20) on connecting axle (5), outlet duct (7) are installed to nonrust steel pipe (41) top one side.
3. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 2, wherein: a first adapter tube (2) is installed at one end of the pump tube (3), a second adapter tube (10) is installed at the other end of the pump tube, a first guide tube (1) is installed at one end of the first adapter tube (2), and a second guide tube (12) is installed at one end of the second adapter tube (10);
pipe (13) are installed to the tip of first pipe (1), and the internally mounted of pipe (13) has magnetic path (25), through-hole (22) have been seted up to the one end of first adapter tube (2), inserted bar (24) are installed to one side of through-hole (22), and the bottom of inserted bar (24) extends to the inside of pipe (13), rings (23) are installed at the top of inserted bar (24).
4. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 3, wherein: the gear shaft assembly comprises a first gear shaft (15), a second gear shaft (16) and a third gear shaft (19), wherein the first gear shaft (15) and the third gear shaft (19) are symmetrically installed on a gear box (17), and the second gear shaft (16) is installed in the middle of the gear box (17).
5. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 4, wherein: one end of the first gear shaft (15) extends to the outside of the gear box (17), the end part of the first gear shaft (15) is connected with the first impeller (14), one end of the third gear shaft (19) extends to the outside of the gear box (17), and the end part of the third gear shaft (19) is connected with the second impeller (18).
6. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 5, wherein: the teeth of the first gear shaft (15) are meshed with the teeth of the second gear shaft (16), and the teeth of the third gear shaft (19) are meshed with the teeth of the second gear shaft (16).
7. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 6, wherein: the diameter of the first impeller (14) is smaller than that of the second impeller (18), and the rotating directions of the first impeller (14) and the second impeller (18) are opposite.
8. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 7, wherein: the first adapter tube (2) and the second adapter tube (10) are both L-shaped structures, and a short tube (26) is installed at one end of the first adapter tube (2).
9. The sewage treatment double-impeller reflux pump based on the CRI system as claimed in claim 8, wherein: the diameter of the short pipe (26) is the same as the inner diameter of the first guide pipe (1), and the outer wall of the short pipe (26) is in transition fit with the inner wall of the first guide pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822941.3A CN113480006A (en) | 2021-07-21 | 2021-07-21 | Sewage treatment bilobed wheel backwash pump based on CRI system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822941.3A CN113480006A (en) | 2021-07-21 | 2021-07-21 | Sewage treatment bilobed wheel backwash pump based on CRI system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113480006A true CN113480006A (en) | 2021-10-08 |
Family
ID=77942548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110822941.3A Pending CN113480006A (en) | 2021-07-21 | 2021-07-21 | Sewage treatment bilobed wheel backwash pump based on CRI system |
Country Status (1)
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|---|---|
| CN (1) | CN113480006A (en) |
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| CN213040030U (en) * | 2020-08-21 | 2021-04-23 | 盘锦锋源实业有限公司 | Flange convenient for pipeline installation |
| CN212708139U (en) * | 2021-01-12 | 2021-03-16 | 山东方维机械科技有限公司 | Autoclave for carbon fiber heating and curing |
| CN112855563A (en) * | 2021-01-19 | 2021-05-28 | 江苏大学 | Novel counter-rotating pump structure and working mode thereof |
| CN113931847A (en) * | 2021-09-23 | 2022-01-14 | 西安理工大学 | A reversible counter-rotating axial flow pump |
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