CN215886499U - Vaneless submersible water impeller - Google Patents

Abstract

The utility model discloses a bladeless submersible water impeller, which comprises a power device, a flow guide cavity and a flow guide cover, wherein the flow guide cavity is provided with a flow guide hole; the power device is used for generating fluid; the flow guide cavity is arranged between the power device and the flow guide cover and is used for transmitting fluid into the flow guide cover; the air guide sleeve is provided with an air guide channel which penetrates through two sides of the air guide sleeve, the wall of the air guide channel is provided with a jet seam which is communicated with the air guide sleeve, and the jet seam is used for jetting fluid into the air guide channel. Because no blade is arranged in the guide cover of the bladeless impeller, no shear stress in the fluid direction is generated, the fluid is smoother when passing through the impeller, certain energy-saving effect is achieved, and the failure rate of the equipment is lower because the equipment is less impacted by the fluid. Meanwhile, because the guide cover of the bladeless impeller is not provided with exposed blades, when the bladeless impeller is used in a sewage treatment tank body, mechanical stirring of sludge does not exist, so that the condition of scattering sludge flocs caused by impeller flow can be reduced, and the influence on sludge in a biochemical sewage treatment process is less.

Description

Vaneless submersible water impeller

Technical Field

The utility model relates to the technical field of flow pushing equipment, in particular to a bladeless submersible flow pusher.

Background

In the environmental protection project, the submersible water impeller is the most conventional environmental protection equipment and is used for impeller and stirring in various biochemical processes, and the main structure of the conventional water impeller consists of four parts, namely a stirring blade, a flow guide cover, a submersible motor and a mounting device. The structure of the flow pusher has the advantages of stable structure, capability of fully stirring and mixing sewage uniformly and the like, but the structure and the installation mode determine that the equipment can only be used in a concrete pool, and is not suitable for emergency pools, water storage pools, oxidation ponds and other non-concrete pools needing flow pushing equipment for laying impermeable membranes.

The existing equipment is provided with blades, and a metal guide cover is arranged on part of the existing equipment, if the existing equipment is used in a water tank paved with an anti-seepage film, the existing equipment is easy to scrape and touch the anti-seepage film and damage the anti-seepage film, and once the anti-seepage film is damaged, a large amount of manpower and material resources are consumed for repairing. At present, therefore, almost no impermeable membrane pool can be equipped with a submersible water impeller.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a bladeless submersible water impeller. It can effectively avoid the blade of dive impeller to scrape with prevention of seepage membrane and bump the contact, and then can apply to various ponds.

The bladeless submersible water impeller comprises a power device, a flow guide cavity and a flow guide cover;

the power device is used for pushing the fluid to the air guide sleeve;

the flow guide cavity is arranged between the power device and the flow guide cover and is used for transmitting fluid into the flow guide cover;

the air guide sleeve is provided with an air guide channel which penetrates through two sides of the air guide sleeve, the wall of the air guide channel is provided with a jet seam which is communicated with the air guide sleeve, and the jet seam is used for jetting fluid into the air guide channel.

By adopting the structure, under the action of the power device, the jet seam on the guide cover ejects the fluid and drives the nearby fluid to move towards the same direction, thereby causing larger liquid to flow in the guide channel, thereby generating a certain distance of flow pushing action, meanwhile, because the fluid in the guide channel moves forwards to generate negative pressure, the fluid in the moving direction is driven to move and generate inertia, thereby forming a certain range of fluid circulation, causing multilayer fluid flow pushing action, thereby forming the driving force of the flow pusher, different from the traditional flow pusher, because the guide channel is not provided with exposed blades, the fluid can not generate shear stress to the fluid, so the fluid is smoother when passing through the flow pusher, thereby having certain energy-saving action, and because the equipment is less impacted by the fluid, the failure rate is lower, because the guide channel is not provided with exposed blades, the structure is more round, the device has no sharp or sharp side lines, can be used for a sewage tank for laying an impermeable membrane, is not easy to damage the impermeable membrane, and in addition, because the guide channel is not internally provided with exposed blades, when the device is used in a sewage treatment tank body, mechanical stirring to sludge does not exist, so that the condition of scattering sludge flocs caused by plug flow can be reduced, and the influence on sludge in a biochemical sewage treatment process is less.

In some embodiments, a cavity for transferring fluid to the injection slit is arranged in the air guide sleeve, the injection slit is communicated with the cavity, the cavity is communicated with the air guide cavity, and the cross section of the cavity is in an annular shape. Therefore, the fluid generated by the power device can be pressurized through the cavity, the pressure of the sprayed fluid can be effectively improved, and the load of the power device is reduced.

In some embodiments, the injection slit may be closed and surround the wall of the flow guide channel. Thus, the pushing flow effect generated in the operation of the device can be improved by surrounding the injection slit arranged on the wall of the flow guide channel.

In some embodiments, the injection slit may include nozzles for injecting the fluid, the nozzles being arranged obliquely toward a middle portion of the guide passage. Therefore, due to the fact that the nozzles are arranged in an inclined mode, fluid sprayed out of the nozzles is sprayed out towards the middle of the flow guide channel to form confluence, and therefore the flow velocity of the fluid formed by the flow pushing device can be further improved.

In some embodiments, the injection slit may include a first guide vane adjacent to the guide passage and a second guide vane remote from the guide passage, the first guide vane being connected to a wall of the guide passage, the second guide vane being connected to the wall of the guide passage, and the gap between the first guide vane and the second guide vane forming the injection slit. Therefore, a flat type spraying seam can be formed through a gap between the first flow deflector and the second flow deflector, and the speed and the pressure of fluid sprayed out of the nozzle can be further improved through the flat type spraying seam, so that the flow speed of the fluid formed by the flow pusher is improved.

In some embodiments, the free end of the second baffle may be provided with an arc-shaped protrusion, and the free end of the first baffle may be arranged in an inclined manner toward the middle of the flow guide channel. Therefore, the contact area between the nozzle and the first flow deflector can be reduced through the warping part, the influence on fluid is reduced, the structure of the injection slit part can form an opening which is greatly narrowed, and the pressure of the injected fluid is improved.

In some embodiments, the walls of the flow guide channel may converge in the direction of the spout. Therefore, the wall of the flow guide channel is retracted towards the direction of the nozzle, so that the fluid in the cavity can fully flow to the nozzle and is sprayed out from the nozzle.

In some embodiments, the cross-section of the flow guide channel may be circular. Therefore, the circular flow guide channel is arranged, the spraying direction of the fluid is relatively more uniform, and the consumption of materials can be reduced under the same area.

In some embodiments, the diversion cavity may include a connection portion and a hollowed-out portion, one end of the connection portion communicates with the diversion cover, the other end of the connection portion communicates with the hollowed-out portion, and the fluid flows into the diversion cavity from the hollowed-out portion.

Therefore, the fluid can enter the connecting part through the hollow part of the flow guide cavity and is transmitted into the flow guide cover by the power device.

In some embodiments, the power device may include a waterproof motor and a thrust paddle, the waterproof motor drives the thrust paddle to rotate, the waterproof motor is disposed on the flow guide cavity, and the thrust paddle is disposed in the flow guide cavity.

Therefore, the fluid can be dissipated from the middle part of the plug flow paddle to the periphery of the plug flow paddle and enters the flow guide cover through the centrifugal force generated by the rotation of the plug flow paddle, the fluid entering the flow guide cover is continuously sucked due to the continuous rotation of the plug flow paddle, so that the fluid generates larger pressure on the fluid inside the flow guide cover and is sprayed into the flow guide channel through the spraying seam, the pressure of the fluid is further increased and is sprayed into the flow guide channel, and the fluid for plug flow is formed.

In some embodiments, the power device may include a waterproof motor and an impeller, the waterproof motor drives the impeller to rotate, the waterproof motor is disposed on the diversion cavity, and the impeller is disposed in the diversion cavity.

Therefore, the fluid can be dissipated from the middle part of the impeller to the periphery of the impeller and enters the flow guide cover through the centrifugal force generated by the rotation of the impeller, the fluid entering the flow guide cover is continuous because the impeller continuously rotates to suck the fluid, so that the fluid generates larger pressure to the fluid inside the flow guide cover, and is sprayed out through the spraying seam, so that the pressure of the fluid is further increased and is sprayed into the flow guide channel, thereby forming the fluid for flow pushing, and the impeller is arranged in the flow guide cavity, thereby avoiding the exposure of the impeller, and having the effects of saving energy, having low failure rate, being difficult to damage an impermeable membrane, reducing the condition of scattering sludge flocs generated by flow pushing and having less influence on sludge in a biochemical sewage treatment process.

Drawings

Fig. 1 is a schematic front view of a bladeless submersible water impeller according to an embodiment of the present invention;

fig. 2 is a schematic diagram of the internal structure of the vaneless submersible water impeller of the embodiment of fig. 1;

fig. 3 is a schematic view of the internal structure of a bladeless submersible water impeller according to another embodiment of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the vaneless submersible water impeller of the embodiment of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the construction of the pod of the embodiment of FIG. 3;

description of reference numerals: 1. a power plant; 11. a waterproof motor; 12. a plug flow paddle; 2. a flow guide cavity; 21. a hollow-out section; 22. a connecting portion; 3. a pod; 31. spraying a seam; 311. a first guide vane; 312. a second guide vane; 313. a warping part; 32. a flow guide channel; 33. a cavity; 34. a wall; 35. an outer wall; 4. and (7) mounting frames.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1-6 schematically illustrate the structure of a vaneless submersible water impeller.

Referring to fig. 1 to 4, the bladeless submersible water impeller comprises a power device 1, a diversion cavity 2 and a diversion cover 3; the power device 1 is used for pushing fluid to the air guide sleeve 3; the flow guide cavity 2 is arranged between the power device 1 and the flow guide cover 3 and is used for transmitting fluid into the flow guide cover 3; the air guide sleeve 3 is provided with an air guide channel 32 penetrating through two sides of the air guide sleeve 3, the wall of the air guide channel 32 is provided with an injection slit 31 communicated with the air guide sleeve 3, and the injection slit 31 is used for injecting fluid into the air guide channel 32.

Specifically, the power device 1 is disposed on the upper portion of the device, and may include a waterproof motor 11, a rotating shaft of the waterproof motor 11 extends into the flow guide cavity 2 and is connected to the propeller 12, so that the fluid is dissipated from the middle of the propeller 12 to the periphery of the propeller 12 and enters the nacelle 3 by a centrifugal force generated by the rotation of the propeller 12, and the fluid entering the nacelle 3 is continuously supplied by the fluid sucked by the continuous rotation of the propeller 12, thereby generating a large pressure on the fluid inside the nacelle 3, and is ejected through the ejection slit 31, so that the pressure of the fluid is further increased and is ejected into the flow guide channel 32, thereby forming the fluid for propulsion. In other embodiments, the impeller blades 12 may be replaced with impellers, depending on the propelling requirements of the fluid.

The water conservancy diversion chamber 2 sets up the bottom at power device 1, the top in water conservancy diversion chamber 2 can be provided with a apron that is used for installing waterproof motor 11, water conservancy diversion chamber 2 includes the fretwork portion 21 on upper portion and the connecting portion 22 of lower part, the effect of fretwork portion 21 mainly lies in leading the outside fluid of impeller to water conservancy diversion chamber 2 in, form through impeller 12 and be used for spun fluid, its pattern can be for the pattern of thin graticule mesh, connecting portion 22 sets up the below at fretwork portion 21, be used for being connected with kuppe 3. The connecting portion 22 and the hollow portion 21 may be integrally designed, and the diversion cavity 2 may be cylindrical, and the upper end thereof is connected to the cover plate, and the lower end thereof is connected to the diversion cover 3. The flow guide cavity 2 can be a square cylinder or the like besides a cylindrical shape, and the flow pushing blades 12 of the power device 1 are preferably arranged in the connecting part 22, so that the contact between the flow pushing blades 12 and a structure in a water pool can be effectively reduced, and the safety is improved.

In some embodiments, referring to fig. 2 or 4, the device may further include a mounting bracket 4 disposed outside the diversion cavity 2. Therefore, the mounting manner of the mounting rack 4 is mainly divided into two categories, namely a fixed type and a suspension type. The fixed type can be that the mounting frame 4 is mounted on a hard structure (such as concrete, metal framework and the like) at the side of the tank body, and the mounting frame 4 can be mounted on a guide rail device and a lifting device on the hard structure at the side of the tank body; the suspension type is that a guide rail is fixedly arranged at the center of the tank body by a plastic buoy, and the mounting frame 4 can be arranged on the guide rail.

Referring to fig. 2 or 4, the structure of the pod 3 mainly includes a flow guide channel 32, and the injection slit 31 is disposed on a wall of the flow guide channel 32, which may be a side wall on one side of the pod 3 or a wall 34 of the flow guide channel 32. The air guide sleeve 3 has the function of ejecting the fluid generated by the power device 1 through the ejection slit 31, and the ejected fluid drives the nearby originally static fluid to flow, so that the nearby originally static fluid flows through the middle part of the air guide channel 32, and a flow pushing device function is formed. The fluid in this place may be, in particular, a water stream, or a liquid fluid in another tank. The flow guide channels 32 may be circular in some embodiments, and the circular design may make the fluid spraying direction relatively uniform, and at the same time, may reduce the material consumption in the same area, and may be in various regular polygons or other irregular planar shapes besides the circular shape.

Fig. 2 fig. 4, fig. 5 and fig. 6 schematically show the internal structure of the flow guiding cover 3 of two types of vaneless submersible water impellers.

Referring to fig. 2 or 4, in some embodiments, a cavity 33 for transferring fluid to the injection slit 31 is formed in the pod 3, the injection slit 31 is communicated with the cavity 33, the cavity 33 is communicated with the diversion cavity 2, and the cross section of the cavity 33 is in a ring shape.

Specifically, referring to fig. 6, taking the circular shape of the diversion channel 32 as an example, the cavity 33 is a ring-shaped, flat inner space formed by the outer wall 35 of the diversion cover 3 and the wall 34 of the diversion channel 32. The cavity 33 is arranged to reduce the size of the cavity space through which the fluid flows before being ejected from the ejection slit 31, and increase the speed of the fluid generated by the power device 1 flowing through the cavity 33, thereby effectively increasing the speed of the ejected fluid, increasing the pressure of the ejected fluid, and reducing the load of the power device 1.

In some embodiments, referring to fig. 3 and 4, the injection slit 31 may be closed around the wall 34 of the flow guide channel 32. Specifically, the injection slit 31 is provided on the wall 34 of the guide passage 32, and the injection slit 31 is looped around the wall 34 of the guide passage 32 and connected end to form a circle in conformity with the shape of the guide passage 32. Thereby, the pushing force generated in the operation of the device can be enhanced by surrounding the injection slit 31 provided on the inside of the guide passage 32.

In some embodiments, referring to fig. 4, the injection slit 31 may include nozzles for injecting the fluid, the nozzles being arranged obliquely toward the middle of the guide passage 32. Therefore, the fluid sprayed from the nozzles can be sprayed out towards the middle of the flow guide channel 32 through the inclined arrangement mode to form confluence, so that the flow velocity of the fluid formed by the flow pusher can be further improved.

Referring to fig. 2 and 4, in some embodiments, the injection slit 31 may include a first guide plate 311 adjacent to the guide passage 32 and a second guide plate 312 distant from the guide passage 32, the first guide plate 311 being connected to the wall 34 of the guide passage 32, the second guide plate 312 being connected to the wall 34 of the guide passage 32, and a gap between the first guide plate 311 and the second guide plate 312 forming the injection slit 31.

Specifically, since the shape of the guide passage 32 is circular, both the first guide vane 311 and the second guide vane 312 are annular structures that surround the guide passage 32 once, and the cross section thereof is a sheet-type structure one above the other in fig. 2 and 4. The flat jet slit 31 is formed through the gap between the first guide vane 311 and the second guide vane 312, so that a guide channel 32 formed by the left end and the right end of the jet slit 31 in an end-to-end encircling manner can be formed, and the flow velocity of the fluid formed by the flow pusher is improved. The connection positions of the first guide vane 311 and the second guide vane 312 with the wall 34 of the guide channel 32 are preferably designed to be rounded, so that when fluid flows through the corresponding positions, the impact is reduced, the fluid flow smoothness is improved, and the ejection rate is increased.

The first guide vanes 311 and the second guide vanes 312 may be disposed in the same direction or in opposite directions. Referring to fig. 2, in some embodiments, the first guide vanes 311 and the second guide vanes 312 may be arranged in the same direction, and a protruding injection slit 31 structure is formed on the guide passage 32. In this embodiment, the position of the injection slit 31 may be a side wall of the flow guide channel 32, or may be a wall 34 of the flow guide channel 32, and the direction of the fluid injected from the injection slit 31 may be the same as the central axis direction of the flow guide channel 32, or may be obliquely arranged toward the central axis direction of the flow guide channel 32 to form a confluence, and the wall 34 may also be tapered, so that the fluid in the cavity 33 sufficiently flows toward the injection slit 31 to be injected from the injection port. Referring to fig. 4 and 5, in another embodiment, the first guide vanes 311 and the second guide vanes 312 may be disposed in opposite directions, and at this time, the injection slit 31 is formed by a gap between a side surface of the first guide vane 311 away from the guide passage 32 and a side surface of the second guide vane 312 close to the guide passage 32.

Specifically, referring to fig. 4 and 5, the first guide vane 311 and the second guide vane 312 are arranged in opposite directions, so that the position of the injection slit 31 can be arranged in the middle of the inner side of the air guide sleeve 3, a protruding structure cannot be formed, the structure of the flow pusher can be well protected, the probability of collision damage is reduced, meanwhile, through the structural mode, the structure of the injection slit 31 is skillfully formed, the structure of the injection slit 31 is simplified, and a non-protruding injection slit 31 structure is formed.

In some embodiments, referring to fig. 4, the free end of the second guide vane 312 may be provided with a raised portion 313 in an arc shape, and the free end of the first guide vane 311 may be obliquely arranged toward the middle of the guide passage 32. Specifically, the free end of the second guide vane 312 is the end of the second guide vane 312 that is not connected to the wall 34, and the free end of the first guide vane 311 is the end of the first guide vane 311 that is not connected to the wall 34. The fin 313 is disposed at a free end of the second guide vane 312 and is bent toward an inner direction of the cavity 33, so that the fluid is ejected from a gap between the fin 313 and the first guide vane 311, a large and narrow ejection outlet is formed, and the pressure of the ejected fluid is increased. Through the design of the bending part, the contact area between the spout and the first guide vane 311 can be reduced, and the influence on the fluid is reduced.

In some embodiments, the walls 34 of the flow guide channel 32 may converge in the direction of the nozzle. Specifically, referring to fig. 4, the wall 34 may be tapered so that the wall 34 of the flow guide channel 32 is retracted in the direction of the nozzle, and thus, the wall 34 of the flow guide channel 32 is retracted in the direction of the nozzle, so that the water in the cavity 33 can be sufficiently flowed to the injection slit 31 and injected from the nozzle.

When the bladeless submersible water impeller is used, the bladeless submersible water impeller is generally arranged on a guide rail device and a lifting device at the edge of the tank body or on a guide rail fixedly arranged on a plastic floating barrel at the center of the tank body. When the power device operates, the power device 1 operates, and generates centrifugal force by using the rotation of the flow pushing paddle 12, so that fluid outside the flow pushing device is sucked into the flow guiding cavity 2 from the hollow part 21 of the flow guiding cavity 2, and the fluid is dissipated from the middle part of the flow pushing paddle 12 to the periphery of the flow pushing paddle 12 and enters the flow guiding cover 3, and is finally pressurized by the cavity 33 and then is ejected from the ejection slit 31 to form a flow pushing effect.

The fluid is ejected from the ejection slit 31 and simultaneously drives the fluid outside the pod 3 to move in the same direction, thereby causing a larger liquid flow in the diversion passage 32 and thus a certain distance of plug flow. Meanwhile, because the fluid of the air guide sleeve 3 moves forwards to generate fluid negative pressure, the fluid on the same straight line in the moving direction is driven to move and generate inertia, so that fluid circulation in a certain range is formed, and the multilayer fluid plug flow effect is caused.

Because the guide cover 3 of the bladeless impeller is not provided with blades, the shear stress in the fluid direction is not generated, so that the fluid is smoother when passing through the impeller, certain energy-saving effect is achieved, and the failure rate of the equipment is lower because the equipment is less impacted by the fluid. Meanwhile, because the guide flow cover 3 of the bladeless impeller is not provided with exposed blades, when the bladeless impeller is used in a sewage treatment tank body, mechanical stirring of sludge does not exist, so that the condition of scattering sludge flocs caused by impeller flow can be reduced, and the influence on sludge in a biochemical sewage treatment process is less. Because this application does not have exposed blade, and the project organization of kuppe 3 is more mellow simultaneously, so do not have sharp-pointed or sharp sideline, can be used to lay the effluent water sump of prevention of seepage membrane, be difficult to operate prevention of seepage membrane.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. The vaneless submersible water impeller is characterized in that: comprises a power device, a flow guide cavity and a flow guide cover;

the power device is used for pushing fluid to the air guide sleeve;

the flow guide cavity is arranged between the power device and the flow guide cover and is used for transmitting fluid into the flow guide cover;

the flow guide cover is provided with a flow guide channel penetrating through two sides of the flow guide cover, the wall of the flow guide channel is provided with a jet seam communicated with the flow guide cover, and the jet seam is used for jetting fluid into the flow guide channel.

2. The vaneless submersible water impeller of claim 1 wherein: the flow guide cover is internally provided with a cavity used for transferring fluid to the injection seam, the injection seam is communicated with the cavity, the cavity is communicated with the flow guide cavity, and the section of the cavity is in an annular shape.

3. The vaneless submersible water impeller of claim 1 wherein: the injection seam surrounds the wall of the flow guide channel and is closed.

4. The vaneless submersible water impeller of claim 3 wherein: the jet slit comprises jet nozzles for jetting fluid, and the jet nozzles are obliquely arranged towards the middle of the flow guide channel.

5. The vaneless submersible water impeller of claim 4 wherein: the spraying seam comprises a first flow deflector close to the flow guide channel and a second flow deflector far away from the flow guide channel, the first flow deflector is connected with the wall of the flow guide channel, the second flow deflector is connected with the wall of the flow guide channel, and the first flow deflector and the gap between the second flow deflectors form the spraying seam.

6. The vaneless submersible water impeller of claim 5 wherein: the free end of the second flow deflector is provided with an arc-shaped warping part, and the free end of the first flow deflector is obliquely arranged towards the middle of the flow guide channel.

7. The vaneless submersible water impeller of claim 5 wherein: the wall of the flow guide channel is in an inward contraction trend towards the direction of the nozzle.

8. The vaneless submersible water impeller of claim 1 wherein: the cross section of the flow guide channel is circular.

9. The vaneless submersible water impeller of any one of claims 1 to 8, wherein: the flow guide cavity comprises a connecting portion and a hollow portion, one end of the connecting portion is communicated with the flow guide cover, the other end of the connecting portion is communicated with the hollow portion, and fluid flows into the flow guide cavity from the hollow portion.

10. The vaneless submersible water impeller of any one of claims 1 to 8, wherein: the power device comprises a waterproof motor and a plug-flow paddle, the waterproof motor drives the plug-flow paddle to rotate, the waterproof motor is arranged on the flow guide cavity, the plug-flow paddle is arranged in the flow guide cavity,

alternatively, the first and second electrodes may be,

the power device comprises a waterproof motor and an impeller, the waterproof motor drives the impeller to rotate, the waterproof motor is arranged on the flow guide cavity, and the impeller is arranged in the flow guide cavity.

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