CN111608919A - Submersible sewage pump for sewage treatment - Google Patents
Submersible sewage pump for sewage treatment Download PDFInfo
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- CN111608919A CN111608919A CN202010501499.XA CN202010501499A CN111608919A CN 111608919 A CN111608919 A CN 111608919A CN 202010501499 A CN202010501499 A CN 202010501499A CN 111608919 A CN111608919 A CN 111608919A
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- Prior art keywords
- fixedly connected
- wall
- groove
- filter screen
- sewage
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
- B02C18/10—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers with drive arranged above container
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention relates to the technical field of sewage treatment, and discloses a submersible sewage pump for sewage treatment, which comprises a water outlet pipe, wherein when the water outlet pipe discharges water, incompletely-crushed large-particle sundries fall onto a second filter screen along a first filter screen and enter a transverse groove under the action of an inclined plane of the second filter screen, at the moment, part of sewage discharged by the water outlet pipe enters the transverse groove through a vertical groove, the impact force of the sewage per se pushes the large-particle sundries to move inwards, a conveying wheel is arranged to enable the large-particle sundries to move more stably, a scraper is positioned at the top of the large-particle sundries and can uniformly scrape cutter marks on the outer wall of the large-particle sundries so as to facilitate secondary crushing, part of the sewage discharged by the water outlet pipe enters a backflushing pipe through the vertical groove, the sewage flow becomes thinner and stronger under the action of a flushing gun, and the sewage at the bottom of the pump can be effectively flushed, the effect of self-flushing is achieved, and dirt accumulation is prevented.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a submersible sewage pump for sewage treatment.
Background
The submersible sewage pump is used as key equipment for environmental protection and sewage treatment, and plays an important role in municipal engineering, industry, water conservancy construction and other industries. The submersible sewage pump is generally arranged at the bottom of a water body and used for discharging sewage in a sewage tank, the sewage is accumulated more and more at the bottom of the pump along with the continuous inflow of the sewage, particularly, when the sewage pump is stopped for a period of time and then is used for discharging the sewage again, part of the sewage is possibly dried, the sludge cannot be discharged by the suction force of the pump alone, and the operations such as flushing, diluting and the like are needed firstly, so that the normal work of the pump cannot be influenced, but a great amount of time and energy are undoubtedly consumed, and the sewage treatment efficiency is influenced;
when the submersible sewage pump discharges sewage, some impurities which are not completely crushed are directly discharged from the water outlet pipe, so that the pipeline is very easy to block, and particularly, once the pipeline is blocked at the bent part, the performances of the submersible sewage pump such as flow, lift and efficiency are certainly influenced, the submersible sewage pump is very troublesome to overhaul, and a large amount of manpower and material resources are wasted;
based on this, we propose a submersible sewage pump for sewage treatment, which hopefully can solve the existing technical problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the submersible sewage pump for sewage treatment, which has the advantages of automatically flushing the pump bottom and preventing the pipeline from being blocked, and solves the problems that the sewage at the pump bottom of the submersible sewage pump is difficult to discharge and the pipeline is easy to block.
(II) technical scheme
In order to realize the purpose of automatically flushing the pump bottom and preventing the pipeline from being blocked, the invention provides the following technical scheme: a submersible sewage pump for sewage treatment comprises a pump body, wherein the bottom of the pump body is fixedly connected with a base, the outer wall of the base is provided with a water inlet, the bottom of the base is fixedly connected with a base, the right side of the pump body is fixedly connected with a water outlet pipe, a rotating shaft is arranged in the pump body, an impeller is fixedly connected above the outer wall of the rotating shaft, and a cutting knife is fixedly connected below the outer wall of the rotating shaft;
the inner wall of the water outlet pipe is fixedly connected with a connecting block, an installation groove is formed in the connecting block, a first spring is fixedly connected to the inner wall of the installation groove, a connecting plate is fixedly connected to the top of the first spring, a connecting piece is fixedly connected to the top of the connecting plate, the connecting piece is movably connected to the inside of a limiting groove, the limiting groove is formed in the outer wall of the limiting plate, and a first filter screen is fixedly connected to the top of the connecting piece;
a vertical groove is formed in the inner bottom wall of the water outlet pipe, a second filter screen is fixedly connected to the inner wall of the vertical groove, a back flushing pipe is formed in the bottom of the vertical groove, and a flushing gun is fixedly connected to the inner wall of the back flushing pipe;
the left side of the vertical groove is provided with a transverse groove, the inner top wall of the transverse groove is provided with a cutter groove, the inner wall of the cutter groove is fixedly connected with a second spring, the bottom of the second spring is fixedly connected with a cutter, the inner bottom wall of the transverse groove is provided with a wheel groove, the inner wall of the wheel groove is fixedly connected with a fixed shaft, and the outer wall of the fixed shaft is rotatably connected with a conveying wheel.
Preferably, the inside of the pump body is provided with the motor, and the output shaft top and the pivot fixed connection of motor, the bottom swing joint of pivot has the bearing, and the motor operation drives impeller and cutting knife rotation through the pivot, and the setting of bearing can make the rotation of pivot more stable.
Preferably, first filter screen is flexible filter screen, and the second filter screen is the rigidity filter screen, and the sunken direction of first filter screen is by sunken to center department all around, and flexible first filter screen can bear bigger impact force, and the rigidity second filter screen conveniently carries debris in the cross slot.
Preferably, the second filter screen is obliquely arranged on the inner wall of the vertical groove, the left side of the top of the second filter screen corresponds to the bottom of the transverse groove and is on the same horizontal line with the inner bottom wall of the transverse groove, and sundries falling on the second filter screen can roll into the transverse groove under the action of the inclined plane.
Preferably, nine conveying wheels are uniformly arranged on the inner bottom wall of the transverse groove, teeth of each conveying wheel point clockwise, the conveying wheels play a role in conveying large-particle sundries on one hand, and small sundries in the wheel groove can be cleaned through the teeth on the other hand.
Preferably, the internal diameter of dashing the rifle reduces from right side to left side gradually, and the diameter of leftmost end is five millimeters, and the diameter is littleer, and the impact force is stronger, can wash away the filth at the bottom of the pump by effectual, reaches the effect from washing.
Preferably, the back flush pipe with towards the rifle and all to the below slope setting in the left side, towards the interior diapire of base, can effectually wash the filth at the bottom of the pump, prevent that the filth from piling up.
Preferably, the water outlet pipe and the impeller are on the same horizontal line, the transverse groove is located below the impeller, and sewage is discharged from the water outlet pipe under the action of the impeller and cannot flow backwards in the transverse groove.
Preferably, the outer wall fixedly connected with second gear of pivot, the outer wall meshing of second gear has the drive wheel, the outer wall meshing of drive wheel has first gear, the central fixedly connected with vertical axis of department of first gear, the bottom fixedly connected with blade of vertical axis, the first bevel gear of outer wall fixedly connected with of vertical axis, the outer wall meshing of first bevel gear has second bevel gear, the central fixedly connected with dwang of second bevel gear, the outer wall fixedly connected with live-rollers of dwang, the outer wall fixedly connected with outer arc board and the arc of live-rollers, the inside of outer arc board is provided with the spring, the top fixedly connected with telescopic link of spring, the top fixedly connected with inner arc board of telescopic link, and the end of inner arc board can contradict each other with first filter screen.
Preferably, the notch department of erecting the groove is equipped with elasticity scraper block, the end of interior arc board can support each other with elasticity scraper block and lean on, and the end of interior arc board is equipped with the wedge spigot surface that can support each other with elasticity scraper block and lean on.
(III) advantageous effects
Compared with the prior art, the invention provides a submersible sewage pump for sewage treatment, which has the following beneficial effects:
1. this a stealthily dirty pump for sewage treatment, debris in sewage and the sewage are by the water inlet entering pump body, discharge from the outlet pipe under the effect of impeller after the cutting knife is broken, during the outlet pipe drainage, broken incomplete large granule debris can't pass through under the blockking of first filter screen, fall into along first filter screen and erect the groove, the bottom of first filter screen is connected with first spring through connecting piece and connecting plate, and itself also be flexible filter screen, can produce certain deformation, can bear bigger impact force, through the water inlet, the pump body, the cutting knife, the impeller, the outlet pipe, first filter screen, erect the groove, the connecting piece, cooperation between connecting plate and the first spring is used, thereby reached and prevented pipe blockage's effect.
2. The pivot drives the vertical axis through the transmission between second gear, drive wheel and the first gear and rotates, and vertical axis rotates and can drive the blade and rotate in perpendicular inslot to at the formation swirl of perpendicular inslot, be convenient for inhale perpendicular inslot with the large granule debris of perpendicular inslot top.
3. The vertical shaft drives the rotating rod and the rotating roller to rotate synchronously through the first bevel gear and the second bevel gear, the rotating roller drives the outer arc plate and the arc plate to rotate, the inner arc plate of the outer arc plate can be abutted to the first filter screen in the rotating process, and large-particle sundries attached to the surface of the first filter screen are scraped down, the scraped sundries can be temporarily contained in a space formed by mutual surrounding of the outer arc plate and the arc plate, the outer arc plate and the arc plate rotate in-process drive the large-particle sundries to be scraped down through the space above the vertical groove, and the vortex formed in the vertical groove can be sucked into the vertical groove quickly.
4. In the rotating process of the outer arc plate, after the outer arc plate is separated from the collision with the first filter screen, the inner arc plate can extend out for a distance under the action of the spring, and the end part of the inner arc plate can extend into the vertical groove, so that large-particle sundries contained in a space formed by the mutual surrounding of the outer arc plate and the arc plate enter the vertical groove along the inner arc plate; simultaneously, the wedge spigot surface of inner arc board tip can support each other with the elasticity scraper of the notch department in perpendicular groove and lean on, and elasticity scraper can scrape the adhesion at the debris of inner arc board tip and fall, and the debris of scraping down can enter into perpendicular inslot, and the inner arc board receives the effort that comes from elasticity scraper and can inwards contract, finally breaks away from out from in perpendicular inslot.
5. This a stealthily dirty pump for sewage treatment, broken incomplete large granule debris gets into perpendicular groove along first filter screen, fallen on the second filter screen, and enter into the cross slot under the effect on second filter screen inclined plane, outlet pipe exhaust sewage has partly can enter into the cross slot via perpendicular groove this moment, the impact force of sewage itself promotes large granule debris rebound, the setting of delivery wheel can make the removal stability more of large granule debris, the utility model is located the top of large granule debris, can be even draw out the tool mark on the outer wall of large granule debris, secondary after convenient is broken, through first filter screen, erect the groove, the second filter screen, the cross slot, the outlet pipe, cooperation between delivery wheel and the utility model, thereby reached the effect that can the secondary broken large granule debris.
6. This a stealthily dirty pump for sewage treatment, outlet pipe exhaust sewage have partly via erecting the groove and entering into in the recoil pipe, sewage rivers taper gradually under the effect of dashing the rifle, the impact force becomes stronger, can effectually erode the filth at the bottom of the pump, reaches the effect from washing, prevents that the filth from piling up, uses through outlet pipe, perpendicular groove, recoil pipe and the cooperation between the rifle to reached and to carry out the effect of washing at the bottom of the pump automatically.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a partial cross-sectional view of a connector block of the present invention;
FIG. 4 is an enlarged view of portion B of FIG. 1 according to the present invention;
FIG. 5 is a partial bottom view of the scribing knife of the present invention;
FIG. 6 is an enlarged view of portion C of FIG. 1 in accordance with the present invention;
FIG. 7 is a partial top view of the turning roll of the present invention;
fig. 8 is an enlarged schematic view of a portion of the inner arc of the present invention.
In the figure: 1-pump body, 2-base, 3-water inlet, 4-base, 5-water outlet pipe, 6-rotating shaft, 7-impeller, 8-cutting knife, 9-connecting block, 10-mounting groove, 11-first spring, 12-connecting plate, 13-connecting piece, 14-limiting groove, 15-limiting plate, 16-first filter screen, 17-vertical groove, 18-horizontal groove, 19-knife groove, 20-second spring, 21-cutting knife, 22-wheel groove, 23-fixed shaft, 24-conveying wheel, 25-second filter screen, 26-backflushing pipe, 27-flushing gun, 28-second gear, 29-first gear, 30-vertical shaft, 31-blade, 32-first bevel gear, 33-second bevel gear, 34-a rotating rod, 35-a rotating roller, 36-an outer arc plate, 37-an arc plate, 38-a spring, 39-a telescopic rod, 40-an inner arc plate, 41-a transmission wheel and 42-an elastic scraper block.
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, a submersible sewage pump for sewage treatment comprises a pump body 1, a base 2 is fixedly connected to the bottom of the pump body 1, a water inlet 3 is formed in the outer wall of the base 2, a base 4 is fixedly connected to the bottom of the base 2, a water outlet pipe 5 is fixedly connected to the right side of the pump body 1, a rotating shaft 6 is arranged inside the pump body 1, an impeller 7 is fixedly connected to the upper portion of the outer wall of the rotating shaft 6, the water outlet pipe 5 and the impeller 7 are on the same horizontal line, a transverse groove 18 is positioned below the impeller 7, sewage is discharged from the water outlet pipe 5 under the action of the impeller 7 and cannot flow backwards into the transverse groove 18, a cutting knife 8 is fixedly connected to the lower portion of the outer wall of the rotating shaft 6, a motor is arranged inside the pump body 1, the top of an output shaft of the motor is fixedly connected with the rotating shaft 6, a bearing, the arrangement of the bearing can enable the rotation of the rotating shaft 6 to be more stable;
the inner wall of the water outlet pipe 5 is fixedly connected with a connecting block 9, a mounting groove 10 is formed in the connecting block 9, the inner wall of the mounting groove 10 is fixedly connected with a first spring 11, the top of the first spring 11 is fixedly connected with a connecting plate 12, the top of the connecting plate 12 is fixedly connected with a connecting piece 13, the connecting piece 13 is movably connected in a limiting groove 14, the limiting groove 14 is formed in the outer wall of a limiting plate 15, and the top of the connecting piece 13 is fixedly connected with a first filter screen 16;
the inner bottom wall of the water outlet pipe 5 is provided with a vertical groove 17, the inner wall of the vertical groove 17 is fixedly connected with a second filter screen 25, the first filter screen 16 is a flexible filter screen, the second filter screen 25 is a rigid filter screen, the recess direction of the first filter screen 16 is recessed from the periphery to the center, the flexible first filter screen 16 can bear larger impact force, the rigid second filter screen 25 is convenient for conveying sundries into the transverse groove 18, the second filter screen 25 is obliquely arranged on the inner wall of the vertical groove 17, the left side of the top of the second filter screen 25 corresponds to the bottom of the transverse groove 18 and is on the same horizontal line with the inner bottom wall of the transverse groove 18, sundries falling on the second filter screen 25 can roll into the transverse groove 18 under the action of an inclined plane, the bottom of the vertical groove 17 is provided with a recoil pipe 26, the inner wall of the recoil pipe 26 is fixedly connected with a recoil gun 27, the inner diameter of the recoil gun 27 is gradually reduced from right to left, and the diameter of the leftmost end, the diameter is smaller, the impact force is stronger, the dirt at the bottom of the pump can be effectively washed, the self-washing effect is achieved, the backflushing pipe 26 and the washing gun 27 are obliquely arranged towards the left lower side and face the inner bottom wall of the base 2, the dirt at the bottom of the pump can be effectively washed away, and the dirt accumulation is prevented;
a transverse groove 18 is formed in the left side of the vertical groove 17, a cutter groove 19 is formed in the inner top wall of the transverse groove 18, a second spring 20 is fixedly connected to the inner wall of the cutter groove 19, a cutter 21 is fixedly connected to the bottom of the second spring 20, a wheel groove 22 is formed in the inner bottom wall of the transverse groove 18, a fixing shaft 23 is fixedly connected to the inner wall of the wheel groove 22, nine conveying wheels 24 are uniformly arranged on the inner bottom wall of the transverse groove 18, teeth of each conveying wheel 24 point clockwise, the conveying wheels 24 play a role in conveying large-particle sundries on one hand, on the other hand, small sundries in the wheel groove 22 can be cleaned through the teeth, and the conveying wheels 24 are rotatably connected to the outer wall of the fixing shaft;
outer wall fixedly connected with second gear 28 of pivot 6, the outer wall meshing of second gear 28 has drive wheel 41, the outer wall meshing of drive wheel 41 has first gear 29, the center department fixedly connected with vertical axis 30 of first gear 29, the bottom fixedly connected with blade 31 of vertical axis 30, the first bevel gear 32 of the outer wall fixedly connected with of vertical axis 30, the outer wall meshing of first bevel gear 32 has second bevel gear 33, the center department fixedly connected with dwang 34 of second bevel gear 33, the outer wall fixedly connected with live-rollers 35 of dwang 34, the outer wall fixedly connected with outer arc board 36 and the arc 37 of live-rollers 35, the inside of outer arc board 36 is provided with spring 38, the top fixedly connected with telescopic link 39 of spring 38, the end of the top fixedly connected with inner arc board of telescopic link 39 and inner arc board 40 can contradict each other with first filter screen 16.
A vertical shaft 30 is rotatably connected in the pump body, the bottom of the vertical shaft 30 extends into the vertical groove 17 and is connected with a rotating blade 31, and a vortex can be generated in the vertical groove 17; the vertical shaft 30 is coaxially connected with a first gear 29, the rotating shaft 6 is coaxially connected with a second gear 28, and the second gear 28 transmits power to the first gear 29 through a transmission wheel 41.
A first bevel gear 32 is coaxially connected to the vertical shaft 30, a second bevel gear 33 is meshed with the outer wall of the first bevel gear 32, the second bevel gear 33 is coaxially connected to a rotating rod 34, and the rotating rod 34 is coaxially and fixedly connected to a rotating roller 35;
the side wall of the rotating roller 35 is provided with a plurality of scraper groups, each scraper group consists of an outer arc plate 36 and an arc plate 37, the inner arc surfaces of the outer arc plates are opposite, the outer arc plates 36 and the arc plates 37 are respectively fixed on the side wall of the rotating roller 35, and the length of the outer arc plate 36 is greater than that of the arc plates 37; the outer arc plate 36 is in sliding fit with the inner arc plate 40, the end part of the inner arc plate 40 can be abutted against the first filter screen 16, and impurities attached to the first filter screen 16 are scraped off;
in the rotating process of the rotating roller 35, the end part of the inner arc plate 40 can abut against the first filter screen 16 and scrape off sundries attached to the first filter screen 16, the scraped sundries enter the space surrounded by the outer arc plate 36 and the arc plate 37, and when the scraping plate group passes through the notch of the vertical groove 17, the sundries contained in the space surrounded by the outer arc plate 36 and the arc plate 37 can be sucked into the vertical groove 17 under the action of the vortex in the vertical groove 17; and, when scraping plate group process the notch of vertical slot 17, the arc 37 of scraping plate group can not stretch into in vertical slot 17, and because the length of outer arc board 36 is longer, the tip of the inner arc board 40 of outer arc board 36 can deepen in vertical slot 17, the notch of vertical slot 17 is equipped with elasticity scraper block 42, elasticity scraper block 42 can offset with the tip of the inner arc board 40 of outer arc board 36, and the tip of inner arc 40 is formed with the wedge spigot surface that leans on each other with elasticity scraper block 42, the wedge spigot surface and the elasticity scraper block 42 of inner arc board 40 offset, make elasticity scraper block 42 scrape the debris of the tip adhesion of inner arc board 40, the debris of scraping fall into vertical slot 17, inner arc board 40 receives the effort that comes from the conflict of elasticity scraper block 42 and overcomes the elasticity of spring 38 and removes in the outer arc board 36 simultaneously, finally can break away from vertical slot 17.
The working principle is that sewage and sundries in the sewage enter a pump body 1 from a water inlet 3, are crushed by a cutting knife 8 and then are discharged from a water outlet pipe 5 under the action of an impeller 7, when the water is discharged from the water outlet pipe 5, large-particle sundries which are not crushed can not pass through under the blocking of a first filter screen 16, fall into a vertical groove 17 along the first filter screen 16, fall onto a second filter screen 25, and enter into a transverse groove 18 under the action of an inclined surface of the second filter screen 25, at the moment, a part of the sewage discharged from the water outlet pipe 5 can enter into the transverse groove 18 through the vertical groove 17, the impact force of the sewage pushes the large-particle sundries to move inwards, a conveying wheel 24 is arranged to enable the large-particle sundries to move more stably, a scraper 21 is positioned at the top of the large-particle sundries and can uniformly scrape cutter marks on the outer wall of the large-particle sundries, the secondary crushing after convenience is achieved, and a part of the sewage discharged from the water outlet, the sewage rivers taper down under the effect of dashing rifle 27, and the impact force becomes stronger, can effectually erode the filth at the bottom of the pump, reaches the effect from washing, prevents that the filth from piling up.
In conclusion, in the submersible sewage pump for sewage treatment, sewage and sundries in the sewage enter the pump body 1 from the water inlet 3, are crushed by the cutting knife 8 and then are discharged from the water outlet pipe 5 under the action of the impeller 7, when the water is discharged from the water outlet pipe 5, large-particle sundries which are not crushed completely cannot pass through the water under the blocking of the first filter screen 16 and fall into the vertical groove 17 along the first filter screen 16, the bottom of the first filter screen 16 is connected with the first spring 11 through the connecting piece 13 and the connecting plate 12, and the first filter screen is also a flexible filter screen, can generate certain deformation and can bear larger impact force, and the sewage and sundries can be used in a matched manner through the water inlet 3, the pump body 1, the cutting knife 8, the impeller 7, the water outlet pipe 5, the first filter screen 16, the vertical groove 17, the connecting piece 13, the connecting plate 12 and the; large-particle sundries which are not completely crushed enter the vertical groove 17 along the first filter screen 16, fall onto the second filter screen 25 and enter the transverse groove 18 under the action of the inclined surface of the second filter screen 25, at the moment, a part of sewage discharged from the water outlet pipe 5 enters the transverse groove 18 through the vertical groove 17, the impact force of the sewage pushes the large-particle sundries to move inwards, the conveying wheel 24 is arranged to enable the large-particle sundries to move more stably, the scraper 21 is positioned at the top of the large-particle sundries and can uniformly scrape cutter marks on the outer wall of the large-particle sundries, and secondary crushing after the secondary crushing is facilitated; the partial sewage of outlet pipe 5 exhaust has and enters into the recoil pipe 26 via erecting groove 17 in, sewage rivers taper down under the effect of dashing rifle 27, the impact force becomes stronger, can effectually erode the filth at the bottom of the pump, reach the effect from washing, prevent that the filth from piling up, use through outlet pipe 5, erecting groove 17, recoil pipe 26 and the cooperation between the rifle 27, thereby reached and to wash the effect at the bottom of the pump automatically.
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 (10)
1. A stealthily dirty pump for sewage treatment, includes the pump body (1), its characterized in that: the bottom of the pump body (1) is fixedly connected with a base (2), the outer wall of the base (2) is provided with a water inlet (3), the bottom of the base (2) is fixedly connected with a base (4), the right side of the pump body (1) is fixedly connected with a water outlet pipe (5), a rotating shaft (6) is arranged inside the pump body (1), an impeller (7) is fixedly connected above the outer wall of the rotating shaft (6), and a cutting knife (8) is fixedly connected below the outer wall of the rotating shaft (6);
the inner wall of the water outlet pipe (5) is fixedly connected with a connecting block (9), a mounting groove (10) is formed in the connecting block (9), the inner wall of the mounting groove (10) is fixedly connected with a first spring (11), the top of the first spring (11) is fixedly connected with a connecting plate (12), the top of the connecting plate (12) is fixedly connected with a connecting piece (13), the connecting piece (13) is movably connected in a limiting groove (14), the limiting groove (14) is formed in the outer wall of a limiting plate (15), and the top of the connecting piece (13) is fixedly connected with a first filter screen (16);
a vertical groove (17) is formed in the inner bottom wall of the water outlet pipe (5), a second filter screen (25) is fixedly connected to the inner wall of the vertical groove (17), a back flushing pipe (26) is formed in the bottom of the vertical groove (17), and a flushing gun (27) is fixedly connected to the inner wall of the back flushing pipe (26);
a transverse groove (18) is formed in the left side of the vertical groove (17), a cutter groove (19) is formed in the inner top wall of the transverse groove (18), a second spring (20) is fixedly connected to the inner wall of the cutter groove (19), a cutter (21) is fixedly connected to the bottom of the second spring (20), a wheel groove (22) is formed in the inner bottom wall of the transverse groove (18), a fixed shaft (23) is fixedly connected to the inner wall of the wheel groove (22), and a conveying wheel (24) is rotatably connected to the outer wall of the fixed shaft (23).
2. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the pump comprises a pump body (1), and is characterized in that a motor is arranged inside the pump body (1), the top of an output shaft of the motor is fixedly connected with a rotating shaft (6), and the bottom of the rotating shaft (6) is movably connected with a bearing.
3. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the first filter screen (16) is a flexible filter screen, the second filter screen (25) is a rigid filter screen, and the concave direction of the first filter screen (16) is from the periphery to the center.
4. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the second filter screen (25) is obliquely arranged on the inner wall of the vertical groove (17), the left side of the top of the second filter screen (25) corresponds to the bottom of the transverse groove (18), and the second filter screen and the inner bottom wall of the transverse groove (18) are on the same horizontal line.
5. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: nine conveying wheels (24) are uniformly arranged on the inner bottom wall of the transverse groove (18), and teeth of each conveying wheel (24) point clockwise.
6. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the inner diameter of the punching gun (27) is gradually reduced from right to left, and the diameter of the leftmost end is five millimeters.
7. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the backflushing pipe (26) and the backflushing gun (27) are both obliquely arranged towards the lower left and face the inner bottom wall of the base (2).
8. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the water outlet pipe (5) and the impeller (7) are on the same horizontal line, and the transverse groove (18) is positioned below the impeller (7).
9. The submersible sewage pump for sewage treatment according to claim 1, characterized in that: the outer wall of the rotating shaft (6) is fixedly connected with a second gear (28), the outer wall of the second gear (28) is meshed with a driving wheel (41), the outer wall of the driving wheel (41) is meshed with a first gear (29), the center of the first gear (29) is fixedly connected with a vertical shaft (30), the bottom of the vertical shaft (30) is fixedly connected with a blade (31), the outer wall of the vertical shaft (30) is fixedly connected with a first bevel gear (32), the outer wall of the first bevel gear (32) is meshed with a second bevel gear (33), the center of the second bevel gear (33) is fixedly connected with a rotating rod (34), the outer wall of the rotating rod (34) is fixedly connected with a rotating roller (35), the outer wall of the rotating roller (35) is fixedly connected with an outer arc plate (36) and an arc plate (37), a spring (38) is arranged inside the outer arc plate (36), the top fixedly connected with telescopic link (39) of spring (38), the top fixedly connected with inner arc board (40) of telescopic link (39), and the end of inner arc board (40) can contradict each other with first filter screen (16).
10. A submersible sewage pump for sewage treatment according to claim 9, wherein: the notch department of erecting groove (17) is equipped with elasticity scraper piece (42), the end of inner arc board (40) can support each other with elasticity scraper piece (42) and lean on, and the end of inner arc board (40) is equipped with the wedge spigot surface that can support each other with elasticity scraper piece (42).
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| CN202010501499.XA CN111608919B (en) | 2020-06-04 | 2020-06-04 | Submersible sewage pump for sewage treatment |
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| CN202010501499.XA CN111608919B (en) | 2020-06-04 | 2020-06-04 | Submersible sewage pump for sewage treatment |
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| CN111608919A true CN111608919A (en) | 2020-09-01 |
| CN111608919B CN111608919B (en) | 2021-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113431169A (en) * | 2021-08-06 | 2021-09-24 | 郝丽坤 | Drainage device for highway engineering and construction method thereof |
| CN114294237A (en) * | 2021-12-24 | 2022-04-08 | 汪亮忠 | Anti-blocking sewage pump capable of stably circulating |
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|---|---|
| CN111608919B (en) | 2021-05-04 |
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Effective date of registration: 20210415 Address after: 317500 No. 58-12 Jintang North Road, East New District, Wenling City, Taizhou City, Zhejiang Province Applicant after: WENLING FULAIOU ELECTRICAL Co.,Ltd. Address before: 315700 No.301, Fengqi Road, Shipu Town, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Yuan Jiawu |
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Denomination of invention: Submersible sewage pump for sewage treatment Effective date of registration: 20221021 Granted publication date: 20210504 Pledgee: Zhejiang Wenling Rural Commercial Bank Co.,Ltd. Pledgor: WENLING FULAIOU ELECTRICAL CO.,LTD. Registration number: Y2022980019261 |