CN219035022U

CN219035022U - Single-stage staggered centrifugal pump with jacking and ejection

Info

Publication number: CN219035022U
Application number: CN202223336461.5U
Authority: CN
Inventors: 袁东亮
Original assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Current assignee: Flowserve Fluid Motion and Control Suzhou Co Ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-16
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses an ejection single-stage staggered centrifugal pump which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a pump body and a driving motor respectively, oil outlet holes and oil filling holes are symmetrically formed in the outer side wall of the pump body, a supporting frame is mounted on the upper surface of the bottom plate, and a liquid storage device is mounted on the rear surface of the supporting frame. According to the utility model, the cooling oil in the liquid reservoir can flow into the oil filling hole through the oil filling pipe, then flow into the pump body through the oil filling hole, and then the support bearing in the pump body can be cooled, so that the pump body can continuously work, then the cooling oil after temperature rise can flow into the liquid reservoir through the oil outlet pipe, the cooling water is input into the spiral condensing pipe through the cooling water inlet pipe, and the cooling oil can be subjected to heat exchange and temperature reduction through cold water in the spiral condensing pipe, so that the temperature of the cooling oil is reduced, and the cooling oil can be used for circularly cooling the support bearing.

Description

Single-stage staggered centrifugal pump with jacking and ejection

Technical Field

The utility model relates to a centrifugal pump, in particular to an ejection single-stage staggered centrifugal pump, and belongs to the technical field of centrifugal pumps.

Background

The centrifugal pump is a pump that conveys liquid by centrifugal force generated when the impeller rotates, and is operated by centrifugal motion of water by rotation of the impeller. Before the water pump is started, the pump shell and the water suction pipe are filled with water, then the motor is started, the pump shaft drives the impeller and the water to do high-speed rotation movement, the water is centrifugally moved and thrown to the outer edge of the impeller, and the water flows into the water pressing pipeline of the water pump through the runner of the volute pump shell.

The existing jacking and ejection single-stage centrifugal pump is widely applied to slurry conveying work of oil refineries, because the temperature of oil refining slurry is higher, the bearing temperature of a bearing in a pump body is generally not more than eighty degrees, when the temperature is higher, abnormal sound can occur to the bearing, and the bearing can be damaged if the bearing is not stopped in time, so that a single centrifugal pump cannot work for a long time when the slurry is conveyed, continuous conveying work can be carried out only by matching a plurality of centrifugal pumps, and production cost can be increased by using a plurality of centrifugal pumps.

Disclosure of Invention

The utility model aims to provide an ejection single-stage staggered centrifugal pump for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ejecting single-stage wrong material centrifugal pump of jacking, includes the bottom plate, the upper surface of bottom plate fixedly connected with pump body and driving motor respectively, oil outlet and oil filler point have been seted up to the lateral wall symmetry of the pump body, the last surface mounting of bottom plate has the support frame, the rear surface mounting of support frame has the cistern, the internally mounted of cistern has the spiral condenser pipe, the both ends of spiral condenser pipe are fixedly connected with cooling water inlet pipe and cooling water outlet pipe respectively, the bottom fixedly connected with cooling oil drain pipe and the cooling oil inlet pipe of cistern, the cooling oil ventilation valve is installed at the top of cistern, the viewing aperture has been seted up to the lateral wall of cistern, lateral wall symmetry fixedly connected with oil filler pipe and oil outlet pipe of cistern, the one end and the oil filler point intercommunication of oil filler pipe keeping away from the cistern, the one end and the oil outlet intercommunication of oil pipe keeping away from the cistern.

Further preferably, the output shaft of the driving motor is fixedly connected with a pump shaft, and a support bearing is installed in the middle of the outer side wall of the pump shaft.

Further preferably, the oil filling hole and the oil outlet hole are both communicated with the pump body, and the support bearing is located in the pump body.

Further preferably, a semi-open impeller is mounted at one end, far away from the driving motor, of the pump shaft, the semi-open impeller is located in the pump body, and a pump cover is mounted on the outer side wall of the pump body.

Further preferably, one end of the cooling water inlet pipe and one end of the cooling water outlet pipe, which are close to the spiral condensing pipe, penetrate through the inner side wall of the liquid storage device and are fixedly connected with the liquid storage device.

Further preferably, the cooling water inlet pipe and the cooling water outlet pipe are fixedly connected with the support frame.

Further preferably, the pump body is fixedly connected with a pump liquid outlet pipe on the outer side wall, the pump liquid outlet pipe is communicated with the pump body, a pump inlet pipe is fixedly connected on the outer side wall of the pump body, and the pump inlet pipe is communicated with the pump body.

Further preferably, a digital thermometer is installed on the outer side wall of the liquid storage device, and a pressure gauge is installed on the top of the liquid storage device.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the pump shaft is driven to rotate by the driving motor, so that the conveying work of slag slurry can be completed, cooling oil in the liquid reservoir can flow into the oil filling hole through the oil filling pipe, then flow into the pump body through the oil filling hole, further, the support bearing in the pump body can be cooled, so that the pump body can continuously work, then the cooling oil can flow into the liquid reservoir through the oil outlet pipe after temperature rising, cooling water is input into the spiral condensing pipe through the cooling water inlet pipe, heat exchange and cooling can be carried out on the cooling oil through cold water in the spiral condensing pipe, and further, the temperature of the cooling oil is reduced, so that the cooling oil can circularly cool the support bearing.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is a schematic diagram of the pump body of the present utility model.

In the figure: 11. a cooling oil vent valve; 12. an observation port; 13. a pump fluid outlet tube; 14. a pump intake tube; 15. a cooling oil inlet pipe; 16. a cooling water inlet pipe; 18. a cooling oil drain pipe; 19. a cooling water outlet pipe; 21. a driving motor; 22. a bottom plate; 23. a spiral condenser tube; 24. a liquid reservoir; 26. a pump shaft; 25. a support frame; 32. a support bearing; 33. a pump cover; 36. a pump body; 38. a semi-open impeller; 40. an oil filling hole; 41. a filler pipe; 42. an oil outlet pipe; 43. an oil outlet hole; 44. a digital display thermometer; 45. a pressure gauge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an ejecting single-stage wrong material centrifugal pump of jacking, including bottom plate 22, the upper surface of bottom plate 22 is fixedly connected with pump body 36 and driving motor 21 respectively, oil outlet 43 and oil filler point 40 have been seted up to the lateral wall symmetry of pump body 36, the upper surface mounting of bottom plate 22 has support frame 25, the rear surface mounting of support frame 25 has cistern 24, the internally mounted of cistern 24 has spiral condenser pipe 23, the both ends of spiral condenser pipe 23 are fixedly connected with cooling water inlet tube 16 and cooling water outlet pipe 19 respectively, cooling oil drain pipe 18 and cooling oil inlet pipe 15 are connected with to the bottom of cistern 24 fixedly, cooling oil ventilation valve 11 is installed at the top of cistern 24, viewing aperture 12 has been seted up to the lateral wall of cistern 24, oil filler pipe 41 and oil filler pipe 42 are fixedly connected with to the lateral wall symmetry of cistern 24, the one end that oil filler pipe 41 kept away from cistern 24 communicates with oil filler point 40, the one end that oil filler pipe 42 kept away from cistern 24 communicates with oil outlet 43.

In this embodiment, specific: the output shaft fixedly connected with pump shaft 26 of driving motor 21, the lateral wall mid-mounting of pump shaft 26 has support bearing 32, the one end that pump shaft 26 kept away from driving motor 21 installs half-open impeller 38, half-open impeller 38 is located the inside of pump body 36, pump cover 33 is installed to the lateral wall of pump body 36, and then can drive pump shaft 26 through driving motor 21 and rotate, can inject the position of pump shaft 26 through support bearing 32, make pump shaft 26 more stable at the during operation, drive half-open impeller 38 when pump shaft 26 rotates, can make in the pump body 36 be negative pressure through the high-speed rotation of half-open impeller 38, through the suction of pump inlet pipe 14 sediment thick liquid and discharge through pump liquid outlet pipe 13, can carry work to sediment thick liquid.

In this embodiment, specific: the oil filling hole 40 and the oil outlet hole 43 are both communicated with the pump body 36, the support bearing 32 is located inside the pump body 36, and since the oil filling hole 40 and the oil outlet hole 43 are respectively communicated with the oil filling pipe 41 and the oil outlet pipe 42, and the oil filling pipe 41 and the oil outlet pipe 42 are both communicated with the reservoir 24, cooling oil in the reservoir 24 can flow into the oil filling hole 40 through the oil filling pipe 41, then flow into the pump body 36 through the oil filling hole 40, further cool down the support bearing 32 in the pump body 36, then flow into the oil outlet pipe 42 through the oil outlet hole 43, and finally flow into the reservoir 24 through the oil outlet pipe 42.

In this embodiment, specific: one end of the cooling water inlet pipe 16 and one end of the cooling water outlet pipe 19, which are close to the spiral condensing pipe 23, penetrate through the inner side wall of the liquid storage 24 and are fixedly connected with the liquid storage 24, one end of the cooling water inlet pipe 16, which is far away from the spiral condensing pipe 23, is communicated with an external water pipe, cooling water can be input into the spiral condensing pipe 23 through the cooling water inlet pipe 16, cooling oil can be subjected to heat exchange and temperature reduction through cold water in the spiral condensing pipe 23, and the temperature of the cooling oil is reduced, so that the cooling oil can be circulated to cool the support bearing 32.

In this embodiment, specific: the cooling water inlet pipe 16 and the cooling water outlet pipe 19 are fixedly connected with the supporting frame 25, and the positions of the cooling water inlet pipe 16 and the cooling water outlet pipe 19 can be fixed through the supporting frame 25.

In this embodiment, specific: the pump body 36's lateral wall fixedly connected with pump liquid outlet pipe 13, pump liquid outlet pipe 13 and the pump body 36 intercommunication, the lateral wall fixedly connected with pump inlet pipe 14 of pump body 36, pump inlet pipe 14 and pump body 36 intercommunication, and then can inhale the sediment thick liquid through pump inlet pipe 14, then discharge through pump liquid outlet pipe 13 to accomplish the transportation work to the sediment thick liquid.

In this embodiment, specific: the digital thermometer 44 is installed on the outer side wall of the liquid receiver 24, the pressure gauge 45 is installed on the top of the liquid receiver 24, the temperature of cooling oil in the liquid receiver 24 can be monitored in real time through the digital thermometer 44, the pressure in the liquid receiver 24 can be monitored in real time through the pressure gauge 45, and when the pressure is too high, the pressure can be released through the cooling oil ventilation valve 11.

During operation, the pump shaft 26 is driven to rotate by the driving motor 21, the semi-open impeller 38 is driven when the pump shaft 26 rotates, the pump body 36 can be made to be negative pressure through high-speed rotation of the semi-open impeller 38, slag slurry can be sucked through the pump inlet pipe 14, then the slag slurry is discharged through the pump liquid outlet pipe 13, so that the slag slurry conveying work is completed, meanwhile, cooling oil in the liquid reservoir 24 flows into the oil filling hole 40 through the oil filling hole 40 and flows into the pump body 36 through the oil filling hole 40 to cool and cool the support bearing 32 in the pump body 36, then the warmed cooling oil flows into the oil outlet pipe 42 through the oil outlet hole 43 and finally flows into the liquid reservoir 24 through the oil outlet pipe 42, meanwhile, cooling water is input into the spiral condensing pipe 23 through the cooling water inlet pipe 16, heat exchange cooling is carried out on the warmed cooling oil through the cold water in the spiral condensing pipe 23, and then the temperature of the cooling oil is lowered, so that the cooling oil can circulate to cool the support bearing 32, the temperature of the liquid reservoir 24 is monitored in real time through the digital display thermometer 44, the temperature of the liquid reservoir is monitored through the pressure gauge 45, and when the pressure in the liquid reservoir 24 is monitored in real time, the pressure in the liquid reservoir 24 is high, and the pressure in the liquid reservoir is released through the pressure valve 11.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an ejecting single-stage wrong material centrifugal pump of jacking, includes bottom plate (22), its characterized in that: the utility model discloses a cooling oil pump for a vehicle, including bottom plate (22), cooling oil drain pipe (18) and cooling oil inlet pipe (15), oil outlet (43) and oil filler point (40) have been seted up to the lateral wall symmetry of bottom plate (36), the last surface mounting of bottom plate (22) has support frame (25), the back surface mounting of support frame (25) has cistern (24), the internally mounted of cistern (24) has spiral condenser pipe (23), the both ends of spiral condenser pipe (23) are fixedly connected with cooling water inlet pipe (16) and cooling water outlet pipe (19) respectively, the bottom fixedly connected with cooling oil drain pipe (18) and cooling oil inlet pipe (15) of cistern (24), cooling oil vent valve (11) are installed at the top of cistern (24), observation mouth (12) have been seted up to the lateral wall symmetry of cistern (24), the one end that cistern (41) were kept away from to cistern (24) communicates with oil filler point (40), one end that oil filler point (43) were kept away from to cistern (42).

2. The ejection single-stage staggered centrifugal pump of claim 1, wherein: the output shaft of the driving motor (21) is fixedly connected with a pump shaft (26), and a supporting bearing (32) is arranged in the middle of the outer side wall of the pump shaft (26).

3. The ejection single-stage staggered centrifugal pump of claim 2, wherein: the oil filling hole (40) and the oil outlet hole (43) are communicated with the pump body (36), and the support bearing (32) is positioned in the pump body (36).

4. The ejection single-stage staggered centrifugal pump of claim 2, wherein: one end of the pump shaft (26) far away from the driving motor (21) is provided with a semi-open impeller (38), the semi-open impeller (38) is positioned in the pump body (36), and the outer side wall of the pump body (36) is provided with a pump cover (33).

5. The ejection single-stage staggered centrifugal pump of claim 1, wherein: one ends of the cooling water inlet pipe (16) and the cooling water outlet pipe (19) close to the spiral condensing pipe (23) penetrate through the inner side wall of the liquid storage device (24) and are fixedly connected with the liquid storage device (24).

6. The single-stage staggered centrifugal pump for ejection and ejection according to claim 5, wherein: the cooling water inlet pipe (16) and the cooling water outlet pipe (19) are fixedly connected with the supporting frame (25).

7. The single-stage staggered centrifugal pump for ejection and ejection as recited in claim 4, wherein: the pump is characterized in that a pump liquid outlet pipe (13) is fixedly connected to the outer side wall of the pump body (36), the pump liquid outlet pipe (13) is communicated with the pump body (36), a pump suction pipe (14) is fixedly connected to the outer side wall of the pump body (36), and the pump suction pipe (14) is communicated with the pump body (36).

8. The single-stage staggered centrifugal pump for ejection and ejection according to claim 5, wherein: the digital thermometer (44) is installed on the outer side wall of the liquid receiver (24), and the pressure gauge (45) is installed on the top of the liquid receiver (24).