CN110985408A - Energy recovery water pump - Google Patents

Abstract

The invention relates to an energy recovery water pump, which comprises a pump body with a pump cavity, wherein the pump body comprises a pump head, a water pumping structure and a base, the water pumping structure comprises an upper water pumping structure, a middle water pumping structure and a lower water pumping structure, the upper water pumping structure and the lower water pumping structure respectively pump water from the two sides of the upper end and the lower end to the middle water pumping structure to convey water, and the water is finally sprayed out of the pump head under the action of the middle water pumping structure. This kind of energy recuperation water pump makes drawing water under certain water pressure and has reduced axial thrust, has reached and has reduced the purpose of motor consumption, ensures very high operating life, and the mode that two-way intaking was taken water simultaneously has increaseed the area of intaking, compares with traditional unilateral and has reduced the rate of intaking to wall around the protection well reduces the water inlet sand and gets into.

Description

Energy recovery water pump

Technical Field

The invention relates to the technical field of water pumps, in particular to an energy recovery water pump.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and it can transfer the mechanical energy of prime mover or other external energy to the liquid to increase the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, etc. The traditional vane pump transfers energy by utilizing the interaction of a rotary vane and water, and comprises a centrifugal pump, an axial flow pump, a mixed flow pump and the like, the water pumps of the types are placed under water when pumping water, a certain water pressure is achieved under the water, and when the water pumps are just started, the resistance effect of water is the greatest when the motors drive the impellers to rotate for pumping water, therefore, the high-power motors are often needed to drive the impellers to rotate for pumping water, the high-power motors also increase the energy consumption when pumping water, the service life of the water pumps is reduced, in addition, the traditional vane pump only has one bottom water inlet when the motors drive the impellers for pumping water, the load of pumping water by the motors is increased, the high-power motors are also needed to operate, meanwhile, the bottom single-port water inlet mode enables the water pumping rate of a water inlet at the bottom of the water pump to be increased, and the high-rate water pumping mode can cause partial silt and sundries to be pumped together by high-speed The water is drawn into the water inlet, causing the water inlet to clog, eventually causing the water pump to stop working and possibly causing the motor to burn out.

Disclosure of Invention

In view of the above-mentioned prior art, the present invention provides an energy recovery water pump to solve the problems set forth in the background art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

energy recuperation water pump, including the pump body that has the pump chamber, the pump body include the pump head, draw water structure, base, the structure upper end of drawing water connect the pump body, the lower extreme is connected the base, the structure of drawing water divide including the structure of drawing water, well structure of drawing water and the structure of drawing water down, well draw water the structure upper end and connect last structure of drawing water, the lower extreme is connected the structure of drawing water down, last draw water the structure with lower structure of drawing water be relative setting, last draw water the structure with draw water down the structure respectively from upper end and lower extreme both sides draw water toward well structure delivery water and in well draw water the effect of structure under finally follow the pump head blowout.

Furthermore, the pump head be equipped with first water inlet and first delivery port, first water inlet set up the pump head side, first delivery port set up the pump head lateral wall inside and communicate respectively the pump head top with go up the structure of drawing water. The purpose of upper portion intaking is reached through the first water inlet that sets up the pump head, reaches the purpose of pump head play water through the first delivery port that sets up the pump head.

Furthermore, go up the structure of drawing water include first connector, first impeller carrier and first impeller, first connector in install first impeller carrier, first impeller carrier in install first impeller, first impeller carrier bottom be equipped with the first spiral deflector that guides rivers to be the heliciform, first spiral deflector between be provided with first limbers, first impeller with the water that first water inlet on the pump head got into down carry to well structure of drawing water, the inside first passageway that is equipped with the delivery water of lateral wall of first connector, first passageway correspond the intercommunication respectively first delivery port and well structure of drawing water. Thereby carry out upper portion through last structure of drawing water and intake, draw water relatively about accomplishing by last structure of drawing water and draw water structure relatively setting down, reduced the axial thrust that the axial was drawn water to the wearing and tearing of the water pump that reduces have strengthened life.

Furthermore, well structure of drawing water include second connector and second impeller, the second impeller install the second connector in, the second connector on be equipped with the second passageway and guide the recess of water outflow water, the second passageway set up the lateral wall of second connector inside, the recess setting be in second connector inner wall, the second passageway with the recess intercommunication, the second passageway correspond the intercommunication the first passageway on the first connector, the second impeller receive respectively last structure of drawing water and the water of drawing water structure extraction down and carry the entering from the side the recess on the second connector. Therefore, water conveyed by the upper water pumping structure and the lower water pumping structure is continuously guided through the middle water pumping structure, and is finally sprayed out of the first water outlet, the first channel and the second channel corresponding to the water channel.

Furthermore, the lower water pumping structure comprises a third connector, a second impeller carrier and a third impeller, the second impeller carrier is installed in the third connector, the third impeller is installed in the second impeller carrier, the third connector is identical to the first connector, a second spiral wire guide plate for guiding water flow to be spiral is arranged at the top of the second impeller carrier, the second spiral wire guide plate and the first spiral guide plate are arranged in a reverse direction, a second water through hole is formed between the second spiral wire guide plates, the third impeller is identical to the first impeller structure and arranged in a vertically opposite mode, and water pumped into the base is conveyed upwards to the middle water pumping structure by the third impeller. Thereby it intakes to carry out the lower part through the structure of drawing water down, draws water relatively about accomplishing by last structure of drawing water and the relative setting of structure of drawing water down, has reduced the axial thrust that the axial was drawn water to the wearing and tearing of the water pump that reduces have strengthened life.

The impeller assembly further comprises a rotating shaft, wherein the rotating shaft is respectively connected with the first impeller, the second impeller and the third impeller in a penetrating manner, and the lower end of the rotating shaft is connected with the first impeller, the second impeller and the third impeller in a driving manner through a motor. Thereby connect the motor shaft through the pivot, circular telegram motor shaft drive pivot to make the pivot drive first impeller and second impeller and draw water.

Furthermore, the base is in through connection with the lower water pumping structure, and second water inlets are uniformly formed in the side wall of the base. Thereby water is fed from bottom to top through the second water inlet on the base.

Furthermore, a hanging ring is arranged on the pump head. Therefore, the energy recovery water pump can be hung by the hanging ring arranged on the pump head and is placed to enter water for pumping.

Compared with the prior art, the invention has the advantages that:

the invention provides an energy recovery water pump, which comprises a pump body with a pump cavity, wherein the pump body comprises a pump head, a water pumping structure and a base, the water pumping structure comprises an upper water pumping structure, a middle water pumping structure and a lower water pumping structure, the upper water pumping structure and the lower water pumping structure respectively pump water from the two sides of the upper end and the lower end to the middle water pumping structure to convey water, and the water is finally sprayed out of the pump head under the action of the middle water pumping structure. The energy recovery water pump drives the first impeller and the third impeller which are arranged oppositely in the upper pumping structure and the lower pumping structure respectively through the rotating shaft, and under the action of drainage water of the first spiral guide plate and the second spiral guide plate, the first impeller and the third impeller which are arranged oppositely are respectively used for conveying water to the middle pumping structure in the middle, because the first spiral guide plate and the second spiral guide plate are arranged oppositely up and down and are arranged oppositely, the water is conveyed from top to bottom in two directions and is rotated in the same direction to drive the second impeller to rotate, so that the axial thrust is reduced by pumping water under certain water pressure, the purpose of reducing the power consumption of a motor is achieved, the extremely long service life is ensured, meanwhile, the water inlet area is increased by two-way water inlet, the water inlet speed is reduced compared with single-side water inlet, and the surrounding walls are protected, reducing sand entering the water inlet.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the pump head of the present invention;

FIG. 3 is a bottom view of the pump head of the present invention;

FIG. 4 is a top view of the first connector of the present invention;

FIG. 5 is a bottom plan view of a first impeller carrier of the present invention;

FIG. 6 is a bottom view of the first impeller of the present invention;

FIG. 7 is a top view of a first impeller of the present invention;

FIG. 8 is a front view of a first impeller of the present invention;

FIG. 9 is a schematic diagram showing the structure of a second connecting body according to the present invention;

FIG. 10 is a top plan view of a second impeller of the present invention;

FIG. 11 is a front view of a second impeller of the present invention;

FIG. 12 is a top view of a third connector of the present invention;

FIG. 13 is a top view of a second impeller carrier of the present invention;

FIG. 14 is a top plan view of a third impeller of the present invention;

FIG. 15 is a front view of the spindle of the present invention;

fig. 16 is a detailed structural diagram of the base of the present invention.

Detailed Description

As shown in fig. 1-16, the energy recovery water pump includes a pump body having a pump cavity, the pump body includes a pump head 1, a water pumping structure, and a base 2, the upper end of the water pumping structure is connected to the pump body, the lower end of the water pumping structure is connected to the base 2, the water pumping structure includes an upper water pumping structure 3, a middle water pumping structure 4, and a lower water pumping structure 5, the upper end of the middle water pumping structure 4 is connected to the upper water pumping structure 3, the lower end of the middle water pumping structure is connected to the lower water pumping structure 5, the upper water pumping structure 3 and the lower water pumping structure 5 pump water from both sides of the upper end and the lower end respectively to deliver water to the middle water pumping structure 4 and finally spray from the pump head 1 under the effect of the middle water pumping structure 4. The pump head 1 is provided with a first water inlet 1-1 and a first water outlet 1-2, the first water inlet 1-1 is arranged on the side surface of the pump head 1, and the first water outlet 1-2 is arranged inside the side wall of the pump head 1 and is respectively communicated with the top end of the pump head 1 and an upper water pumping structure 3. The upper water pumping structure 3 comprises a first connecting body 3-1, a first impeller carrier 3-2 and a first impeller 3-3, the first impeller carrier 3-2 is installed in the first connecting body 3-1, the first impeller 3-3 is installed in the first impeller carrier 3-2, a first spiral guide plate 3-4 for guiding water flow in a spiral shape is arranged at the bottom of the first impeller carrier 3-2, a first water through hole 3-5 is arranged between the first spiral guide plates 3-4, the first impeller 3-3 downwards conveys water entering from a first water inlet 1-1 on the pump head 1 to the middle water pumping structure 4, a first channel 3-6 for conveying water is arranged inside the side wall of the first connecting body 3-1, the first channels 3-6 are respectively and correspondingly communicated with the first water outlets 1-2 and the middle water pumping structure 4. The middle water pumping structure 4 comprises a second connecting body 4-1 and a second impeller 4-2, the second impeller 4-2 is installed in the second connecting body 4-1, the second connecting body 4-1 is provided with a second channel 4-3 and a groove 4-4 for guiding water to flow out, the second channel 4-3 is arranged inside the side wall of the second connecting body 4-1, the groove 4-4 is arranged on the inner wall of the second connecting body 4-1, the second channel 4-3 is communicated with the groove 4-4, the second channel 4-3 is correspondingly communicated with a first channel 3-6 on the first connecting body 3-1, and the second impeller 4-2 respectively receives the water pumped by the upper water pumping structure 3 and the lower water pumping structure 5 and conveys the water from the side surface into the second connecting body 4-2 1, grooves 4-4. The lower water pumping structure 5 comprises a third connecting body 5-1, a second impeller carrier 5-2 and a third impeller 5-3, the second impeller carrier 5-2 is installed in the third connecting body 5-1, the third impeller 5-3 is installed in the second impeller carrier 5-2, the third connecting body 5-1 and the first connecting body 3-1 have the same structure, a second spiral wire guide plate 5-4 for guiding water flow in a spiral shape is arranged at the top of the second impeller carrier 5-2, the second spiral wire guide plate 5-4 and the first spiral guide plate 3-4 are arranged in a reverse direction, a second water through hole 5-5 is arranged between the second spiral wire guide plate 5-4, the third impeller 5-3 and the first impeller 3-3 have the same structure and are arranged in an up-down opposite manner, the third impeller 5-3 conveys the water pumped by the base upwards to the middle pumping structure 4. The impeller structure is characterized by further comprising a rotating shaft 6, wherein the rotating shaft 6 is respectively connected with the first impeller 3-3, the second impeller 4-2 and the third impeller 5-3 in a penetrating mode, and the lower end of the rotating shaft 6 is connected through a motor in a driving mode. The base 2 is connected with the lower water pumping structure 5 in a through mode, and second water inlets 2-1 are evenly formed in the side wall of the base 2. The pump head 1 is provided with a lifting ring 7.

When the device is specifically installed, the upper pumping structure 3 and the lower pumping structure 5 are oppositely arranged, wherein in the upper pumping structure 3, the first impeller carrier 3-2 is installed in the first connecting body 3-1, the first impeller 3-3 is installed in the first impeller carrier 3-2, meanwhile, the bottom of the first impeller carrier 3-2 is provided with a first spiral guide plate 3-4 which is correspondingly arranged downwards, the first spiral guide plate 3-4 is provided with a first water through hole 3-5, similarly, in the lower pumping structure 5, the second impeller carrier 5-2 is installed in the third connecting body 5-1, the third impeller 5-3 is installed in the second impeller carrier 5-2, and the third connecting body 5-1 has the same structure as the first connecting body 3-1, the top of the second impeller carrier 5-2 is provided with a second spiral guide plate 5-4 for guiding water flow in a spiral shape, the second spiral guide plate 5-4 and the first spiral guide plate 3-4 are arranged in a reverse direction, a second water through hole 5-5 is arranged between the second spiral guide plate 5-4, the third impeller 5-3 and the first impeller 3-3 are in the same structure and are arranged in a vertical opposite manner, then the middle water pumping structure 4 is arranged between the upper water pumping structure 3 and the lower water pumping structure 5, the second impeller 4-2 is arranged in the second connector 4-1, the second connector 4-1 is provided with a second channel 4-3 and a groove 4-4 for guiding water flowing out, the second channel 4-3 is arranged in the side wall of the second connector 4-1, the groove 4-4 is arranged on the inner wall of the second connecting body 4-1, the second channel 4-3 is communicated with the groove 4-4, the second channel 4-3 is correspondingly communicated with the first channel 3-6 on the first connecting body 3-1, then the rotating shaft 6 penetrates through the first impeller 3-3, the second impeller 4-2 and the third impeller 5-3 in the upper water pumping structure 3, the middle water pumping structure 4 and the lower water pumping structure 5, the lower end of the rotating shaft 6 penetrates through the base 2 and is connected with the motor driving shaft of the energy recovery water pump, so that the motor driving shaft drives the rotating shaft 6, thereby driving the first impeller 3-3, the second impeller 4-2 and the third impeller 5-3 on the rotating shaft 6, and then, the base 2 is installed on the lower water pumping structure 5 through threaded connection, and the pump head 1 is correspondingly installed above the upper water pumping structure 3 through bolt connection.

The working principle used specifically is that firstly, the energy recovery water pump is placed under water and started to operate, the rotating shaft of the motor drives the rotating shaft 6 to rotate under the driving of the motor, so as to drive the first impeller 3-3, the second impeller 4-2 and the third impeller 5-3 on the rotating shaft, because the upper water pumping structure 3 and the lower water pumping structure 5 are arranged oppositely from top to bottom, the first impeller 3-3 and the second impeller 5-3 are also arranged oppositely, the first impeller 3-3 in the upper water pumping structure 3 rotates to enable the first water inlet 1-1 on the pump head 1 to be conveyed downwards, and finally flows out from the first water through hole 3-5 and enters the water pumping middle water pumping structure 4 under the guiding action of the first spiral guide plate 3-4 arranged on the first impeller carrier 3-2, similarly, because the lower pumping structure 5 and the upper pumping structure 3 are arranged in an up-down opposite manner, the second water inlet 2-1 on the base 2 is under the action of the lower pumping structure 5, so that the lower pumping structure 5 pumps water from the second water inlet 2-1 and conveys the water from bottom to top into the middle pumping structure 4, specifically, the third impeller 5-3 in the lower pumping structure 5 rotates to convey the water through the second water through holes 5-5 on the second impeller carrier 5-2, and finally conveys the water into the middle pumping structure 4 under the action of the second spiral wire guide 5-4 on the second impeller carrier 5-2, and similarly, under the drive of the rotating shaft 6, the second impeller 4-2 in the middle pumping structure 4 rotates, the incoming water conveyed by the upper water pumping structure 3 and the lower water pumping structure 5 is guided out from the side, the side surface of the second impeller 4-2 corresponds to the groove 4-4 arranged on the inner wall of the second connecting body 4-1, the second channel 4-3 is communicated with the groove 4-4, so that the water in the middle water pumping structure 4 continuously enters the second channel 4-3, and the first water outlet 1-2, the first channel 3-6 and the second channel 4-3 are respectively and correspondingly communicated, so that the water in the middle water pumping structure 4 finally flows out from the first water outlet 1-2 of the pump head 1, and the water pumping is finished.

The energy recovery water pump drives a first impeller 3-3 and a third impeller 5-3 which are respectively arranged oppositely in an upper water pumping structure 3 and a lower water pumping structure 5 through a rotating shaft 6, and under the action of drainage water of a first spiral guide plate 3-4 and a second spiral guide plate 5-4, the first impeller 3-3 and the third impeller 5-3 which are arranged oppositely respectively convey water to a middle water pumping structure 4, and because the first spiral guide plate 3-4 and the second spiral guide plate 5-4 are arranged oppositely up and down and the first spiral guide plate 3-4 and the second spiral guide plate 5-4 are arranged oppositely, the water conveyed from the upper direction and the lower direction rotates in the same direction and drives the second impeller 4-2 to rotate, so that the axial thrust is reduced when water is pumped under certain water pressure, the purpose of reducing the power consumption of the motor is achieved, the extremely long service life is ensured, meanwhile, the water inlet area is enlarged by bidirectional water inlet, and the water inlet speed is reduced compared with that of unilateral water inlet, so that the wall around the well is protected, and sand entering of the water inlet is reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. The energy recovery water pump comprises a pump body with a pump cavity, and is characterized in that the pump body comprises a pump head (1), a water pumping structure and a base (2), the upper end of the water pumping structure is connected with the pump body, the lower end of the water pumping structure is connected with the base (2), the water pumping structure comprises an upper water pumping structure (3), a middle water pumping structure (4) and a lower water pumping structure (5), the upper end of the middle water pumping structure (4) is connected with the upper water pumping structure (3), the lower end is connected with the lower water pumping structure (5), the upper water pumping structure (3) and the lower water pumping structure (5) are arranged oppositely, the upper water pumping structure (3) and the lower water pumping structure (5) respectively pump water from the two sides of the upper end and the lower end and convey the water to the middle water pumping structure (4) and finally spray the water out of the pump head (1) under the action of the middle water pumping structure (4).

2. The energy recovery water pump according to claim 1, wherein said pump head (1) is provided with a first water inlet (1-1) and a first water outlet (1-2), said first water inlet (1-1) is disposed at the side of said pump head (1), said first water outlet (1-2) is disposed inside the side wall of said pump head (1) and is communicated with the top end of said pump head (1) and the upper water pumping structure (3), respectively.

3. The energy recovery water pump according to claim 2, wherein the upper pumping structure (3) comprises a first connection body (3-1), a first impeller carrier (3-2) and a first impeller (3-3), the first impeller carrier (3-2) is installed in the first connection body (3-1), the first impeller (3-3) is installed in the first impeller carrier (3-2), a first spiral guide plate (3-4) which guides the water flow in a spiral shape is arranged at the bottom of the first impeller carrier (3-2), a first water through hole (3-5) is arranged between the first spiral guide plates (3-4), and the first impeller (3-3) conveys the water entering from a first water inlet (1-1) on the pump head (1) downwards to the pumping middle structure (4), a first channel (3-6) for conveying water is arranged inside the side wall of the first connecting body (3-1), and the first channel (3-6) is respectively and correspondingly communicated with the first water outlet (1-2) and the middle water pumping structure (4).

4. The energy recovery water pump according to claim 3, wherein the intermediate water pumping structure (4) comprises a second connecting body (4-1) and a second impeller (4-2), the second impeller (4-2) is installed in the second connecting body (4-1), the second connecting body (4-1) is provided with a second channel (4-3) and a groove (4-4) for guiding water to flow out, the second channel (4-3) is arranged inside the sidewall of the second connecting body (4-1), the groove (4-4) is arranged inside the inner wall of the second connecting body (4-1), the second channel (4-3) is communicated with the groove (4-4), and the second channel (4-3) is correspondingly communicated with the first channel (3) on the first connecting body (3-1) 6) The second impeller (4-2) respectively receives the water pumped by the upper pumping structure (3) and the lower pumping structure (5) and conveys the water into the groove (4-4) on the second connecting body (4-1) from the side.

5. The energy recovery water pump according to claim 4, wherein the lower pumping structure (5) comprises a third connection body (5-1), a second impeller carrier (5-2) and a third impeller (5-3), the second impeller carrier (5-2) is installed in the third connection body (5-1), the third impeller (5-3) is installed in the second impeller carrier (5-2), the third connection body (5-1) has the same structure as the first connection body (3-1), a second spiral wire guide plate (5-4) for guiding water flow in a spiral shape is arranged at the top of the second impeller carrier (5-2), the second spiral wire guide plate (5-4) is arranged in a reverse direction to the first spiral guide plate (3-4), and a second water through hole (5-5) is arranged between the second spiral wire guide plates (5-4), the third impeller (5-3) and the first impeller (3-3) have the same structure and are arranged oppositely from top to bottom, and the third impeller (5-3) conveys the water pumped by the base upwards to the middle water pumping structure (4).

6. The energy recovery water pump according to claim 5, further comprising a rotating shaft (6), wherein the rotating shaft (6) is respectively connected with the first impeller (3-3), the second impeller (4-2) and the third impeller (5-3) in a penetrating manner, and the lower end of the rotating shaft (6) is connected with the motor in a driving manner.

7. The energy recovery water pump according to claim 6, characterized in that the base (2) is connected with the lower water pumping structure (5) in a penetrating way, and the side wall of the base (2) is uniformly provided with a second water inlet (2-1).

8. The energy recovery water pump according to claim 7, characterized in that the pump head (1) is provided with a lifting ring (7).

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