CN220118347U - Small-stack transverse main pump - Google Patents
Small-stack transverse main pump Download PDFInfo
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- CN220118347U CN220118347U CN202320933127.3U CN202320933127U CN220118347U CN 220118347 U CN220118347 U CN 220118347U CN 202320933127 U CN202320933127 U CN 202320933127U CN 220118347 U CN220118347 U CN 220118347U
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- 239000007788 liquid Substances 0.000 claims abstract description 98
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to the field of pumps, and discloses a small-pile horizontal main pump which comprises a pump body fixed on the side wall of a pressure container, wherein a pump cavity is formed in the pump body, a liquid inlet and a liquid outlet are formed in the pump body, the liquid inlet is communicated with the pressure container, an impeller is rotationally connected with the pump body, and the impeller is used for driving liquid to flow in from the liquid inlet and be discharged from the liquid outlet. The utility model has the effects of reducing the volume of the small-pile main pump and improving the convenience of installation and transportation.
Description
Technical Field
The utility model relates to the field of pumps, in particular to a small-stack transverse main pump.
Background
At present, the modular small-sized pile has the advantages of strong plant site adaptability, high power flexibility, short construction time, lower investment and the like. The domestic small pile mainly adopts a vertical shielding main pump structure type, and the inlet and the outlet of the water pump are positioned in the same sleeve; the motor is on and the pump is down.
In the related art, a vertical shielding main pump includes the sleeve with the pressure vessel intercommunication, and the sleeve is L type, has seted up feed liquor chamber and play liquid chamber in the sleeve, and the sleeve end is provided with the pump body, has seted up the pump chamber in the pump body, has seted up the inlet and the liquid outlet that are used for the intercommunication pump chamber on the pump body respectively, and the inlet is linked together with the feed liquor chamber and is set up, and the liquid outlet is linked together with play liquid chamber, and impeller is connected in the pump chamber internal rotation, is provided with on the pump body and is used for the drive impeller's pivoted driving piece.
To above-mentioned related art, among the prior art, be connected with pressure vessel through the sleeve, the cooperation impeller drives liquid again and flows for the velocity of flow of liquid, but because the sleeve directly stretches out can improve little heap main pump's volume greatly, not only can occupy great installation space, still do not utilize the transportation of device, need to improve urgently.
Disclosure of Invention
In order to reduce the volume of the small-pile main pump and improve the convenience of installation and transportation of the small-pile main pump, the utility model provides the small-pile transverse main pump.
The small-pile transverse main pump provided by the utility model adopts the following technical scheme:
the small-pile transverse main pump comprises a pump body fixed on the side wall of a pressure container, a pump cavity is formed in the pump body, a liquid inlet and a liquid outlet are formed in the pump body, the liquid inlet is communicated with the pressure container, an impeller is rotationally connected with the pump body, and the impeller is used for driving liquid to flow in from the liquid inlet and be discharged from the liquid outlet.
By adopting the technical scheme, the pump body is directly inserted into the pressure container, and liquid in the pressure container is transported, so that the liquid in the pressure container directly flows into the pump cavity from the liquid inlet and is discharged from the liquid outlet under the rotation of the impeller, thereby realizing the transportation function of the small-stack main pump; the casing pipe led out by the pressure vessel is reduced by adopting the design, so that the volume of the small-pile main pump is greatly reduced, the occupied space of the reactor is reduced, the use of the sleeve is reduced, the transportation of the small-pile main pump can be more conveniently carried out, and the convenience of using the small-pile main pump is improved.
Preferably, the pump body comprises a fixed seat fixed on the pressure vessel, a pump seat is arranged on one side, close to the pressure vessel, of the fixed seat, a liquid guide ring is arranged on one side, away from the fixed seat, of the pump seat, the impeller is arranged in the liquid guide ring, and one end, close to the pump seat, of the liquid guide ring extends to the pump cavity.
Through adopting above-mentioned technical scheme, because impeller high-speed rotation can drive liquid rotation, the main effect of liquid guide ring is the flow length that is used for booster impeller suction liquid, can make rotatory liquid tend to stabilize after the length increases to can reduce the energy loss of liquid in the pump, ensure the lift of liquid in the liquid outlet, through extending the liquid guide ring to the direction that is close to the pump seat and setting up, not only satisfied required degree, can also reduce the length of little heap main pump, improve the convenience of using little heap main pump.
Preferably, the pump seat is provided with an extension ring in the pump cavity, and the outer diameter of the extension ring gradually decreases along a direction away from the pump seat.
Through adopting above-mentioned technical scheme, extend the ring and lead the cooperation of liquid ring and can make the change flow direction that liquid can be more mild to reduce the energy loss of liquid in the pump chamber, improve the effect of using little heap main pump.
Preferably, a liquid guide plate is arranged between the extension ring and the liquid guide ring, the liquid guide plate is streamline, and the thickness of the liquid guide plate is increased and then reduced along the direction away from the impeller.
Through adopting above-mentioned technical scheme, can eliminate the liquid circulation after the impeller, the speed energy that produces the impeller is converted into pressure energy to make the transition that liquid can be more smooth, reduce the resistance that liquid received, thereby reduce the kinetic energy loss of liquid, improve the lift of pump.
Preferably, the pump body is rotationally connected with a pump shaft, the impeller is fixed on the pump shaft, a balance cavity is formed in the pump body, a balance disc is fixed in the balance cavity, pressure cavities and a discharge cavity are formed in the two sides of the balance disc respectively, the pressure cavities are communicated with the pump cavity, and the discharge cavity is communicated with the pressure container.
Through adopting above-mentioned technical scheme, the pressure liquid in the pump chamber gets into the pressure chamber by the connection gap of pump shaft and pump body to act on the balance plate, thereby drive the balance plate and produce the pressure to keeping away from the impeller direction, thereby can balance with the axial force that the impeller produced, reduce the epaxial axial force of pump shaft, improve the stability of pump shaft, and adopt the balance plate can increase the inertia of pump shaft, make the pump shaft rotate more steadily, improve the stability of using the pump shaft.
Preferably, the pump shaft is provided with a limit ring groove, the balance disc is fixed on the limit ring groove, the limit ring groove is connected with a lock nut in a threaded fit manner,
through adopting above-mentioned technical scheme, can make the balance plate install more conveniently, improve the fixed firmness of balance plate.
Preferably, a first fixing ring is arranged on one side, close to the impeller, of the balancing ring, a second fixing ring is arranged on the side wall, close to the impeller, of the balancing cavity, and a pressure relief gap is formed between the first fixing ring and the second fixing ring.
Through adopting above-mentioned technical scheme, use first solid fixed ring and second solid fixed ring can reduce the width of pressure relief seam to can make the liquid in the pressure chamber act on the balance plate better, thereby balance the produced axial force of impeller more steadily.
Preferably, the pump shaft is sleeved with a regulating piece, and the regulating piece is arranged on one side of the balance disc, which is far away from the impeller.
Through adopting above-mentioned technical scheme, the forehead width of pressure relief seam can be adjusted to the use regulating plate to pressure in the regulation pressure chamber that can be more stable improves the convenience of using the balance disc.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the pump body is directly inserted into the pressure container, and liquid in the pressure container is transported, so that the liquid in the pressure container directly flows into the pump cavity through the liquid inlet and is discharged through the liquid outlet under the rotation of the impeller, and the transportation function of the small-stack main pump is realized; the sleeve led out by the pressure vessel is reduced by adopting the design, so that the volume of the small-pile main pump is greatly reduced, the occupied space of a reactor is reduced, the use of the sleeve is reduced, the transportation of the small-pile main pump can be more convenient, and the convenience of using the small-pile main pump is improved;
2. the energy loss of liquid in the pump can be reduced by using the liquid guide ring, the lift of the liquid in the liquid outlet is ensured, and the liquid guide ring is extended towards the direction close to the pump seat, so that the required degree is met, the length of the small-pile main pump can be reduced, and the convenience of using the small-pile main pump is improved;
3. the extending ring is matched with the liquid guide ring, and the malformation flow guide of the liquid guide plate is realized, so that the flow direction of liquid can be changed more gently, the energy loss of the liquid in the pump cavity is reduced, and the effect of using a small-pile main pump is improved.
Drawings
Fig. 1 is a schematic structural view of a small-stack transverse main pump according to an embodiment of the present utility model.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Reference numerals: 1. a pressure vessel; 2. a pump body; 21. a fixing seat; 22. a pump base; 23. a liquid guiding ring; 3. an impeller; 4. a liquid inlet; 5. a liquid guiding sheet; 6. an extension ring; 7. a pump chamber; 8. a liquid outlet; 9. a discharge hole; 10. a balancing disk; 11. a pump shaft; 12. a second fixing ring; 13. a first fixing ring; 14. a pressure relief joint; 15. a lock nut; 16. a tab; 17. a limit ring groove; 18. a shaft sleeve; 19. a rotating member; 30. a balancing cavity; 31. a discharge chamber; 32. a pressure chamber.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a small-stack transverse main pump.
Referring to fig. 1 and 2, the small-stack horizontal main pump comprises a pump body 2 fixed on the side wall of a pressure vessel 1, the pump body 2 comprises a fixed seat 21 fixed on the pressure vessel 1, one side of the fixed seat 21 close to the pressure vessel 1 is connected with a pump seat 22 through bolts, one side of the pump seat 22 away from the fixed seat 21 is integrally formed with a liquid guide ring 23, a pump cavity 7 is formed in the pump seat 22, and one end of the liquid guide ring 23 close to the pump seat 22 extends to the pump cavity 7. The liquid inlet 4 is arranged on one side of the liquid guide ring 23 far away from the pump seat 22, the liquid inlet 4 is cylindrical, the liquid inlet 4 is communicated with the pressure vessel 1, and the liquid outlet 8 communicated with the pump cavity 7 is arranged on the side wall of the pump seat 22. The pump body 2 is rotationally connected with a pump shaft 11, the pump shaft 11 is cylindrical, the pump shaft 11 and the liquid guide ring 23 are coaxially arranged, an impeller 3 is fixed at the end part of the pump shaft 11 in the liquid guide ring 23, the impeller 3 is connected with the end part of the pump shaft 11 through bolts, and the impeller 3 is used for driving liquid to flow in from the liquid inlet 4 and be discharged from the liquid outlet 8.
The pump seat 22 has extension ring 6 in pump chamber 7 integrated into one piece, and extension ring 6 external diameter reduces gradually along the direction of keeping away from pump seat 22, and extension ring 6 and the coaxial setting of pump shaft 11, and extension ring 6 and the cooperation of liquid guide ring 23 can make liquid change the liquid streamline more gently, reduces the loss to liquid kinetic energy. The pump shaft 11 penetrates through the extension ring 6, a shaft sleeve 18 and a rotating piece 19 are arranged on the pump shaft 11, and the rotating piece 19 adopts a water lubrication guide bearing. A liquid guide plate 5 is fixed between the extension ring 6 and the liquid guide ring 23, the liquid guide plate 5 is in streamline arrangement, and the thickness of the liquid guide plate is increased and then reduced along the direction away from the impeller 3.
The pump body 2 is internally provided with a balance cavity 30, the balance cavity 30 is cylindrical, the balance cavity 30 is rotationally connected to the balance disc 10, the balance disc 10 is cylindrical, the pump shaft 11 is provided with a limit ring groove 17, the pump shaft 11 is inserted into the limit ring groove 17, the limit ring groove 17 is connected with a lock nut 15 in a threaded fit manner, the limit ring groove 17 is also sleeved with an adjusting piece 16, the adjusting piece 16 is in a circular ring shape, and the adjusting piece 16 is arranged on one side, far away from the impeller 3, of the balance disc 10. The locking of the balancing disk 10 is achieved by the locking nut 15 cooperating with the tab 16. The balance disc 10 is close to one side integrated into one piece of impeller 3 and has first solid fixed ring 13, and the balance chamber 30 is close to the lateral wall integrated into one piece of impeller 3 and has second solid fixed ring 12, and first solid fixed ring 13 and second solid fixed ring 12 the same size just set up with the pump shaft 11 coaxial, is formed with pressure relief slit 14 between first solid fixed ring 13 and the second solid fixed ring 12. The balance cavity 30 is formed with a pressure cavity 32 and a discharge cavity 31 on two sides of the balance disc 10 in decibels, the pressure cavity 32 is communicated with the discharge cavity 31 through a pressure relief seam 14, the pressure cavity 32 is communicated with the pump cavity 7 through a gap between the pump shaft 11 and the pump body 2, the pump body 2 is provided with a discharge hole 9, and the discharge hole 9 is used for communicating the discharge cavity 31 with the pressure container 1, so that the communication between the discharge cavity 31 and the pressure container 1 is realized. The pressure liquid in the pump cavity 7 enters the pressure cavity 32 from the connecting gap between the pump shaft 11 and the pump body 2 and acts on the balance disc 10, so that opposite axial force generated by the impeller 3 rotating at high speed can be balanced, the axial force on the pump shaft 11 can be reduced, and the stability of the pump shaft 11 is improved.
The implementation principle of the small-stack transverse main pump in the embodiment of the utility model is as follows: during operation, the pump body 2 is inserted into the pressure vessel 1 and fixedly connected with the pressure vessel 1 through the fixing seat 21, the driving piece drives the impeller 3 to rotate, so that liquid in the pressure vessel 1 is sucked into the pump cavity 7 through the liquid inlet 4 and then discharged through the liquid outlet 8 under the action of the impeller 3, and meanwhile, the liquid in the pump cavity 7 flows into the balance plate 10 to be balanced inwards, and the axial force on the pump shaft 11 is reduced through acting on the balance plate 10. By adopting the design, the pump shaft 11 is directly inserted on the pressure vessel 1, the volume of the small-pile main pump can be greatly reduced, the size of the reactor is greatly reduced, the convenience of use is improved, the size is reduced, the small-pile main pump can be transported more conveniently, and the convenience of installation and transportation of the small-pile main pump is improved.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. Small heap transverse main pump, its characterized in that: including being fixed in pump body (2) on pressure vessel (1) lateral wall, set up pump chamber (7) in pump body (2), set up inlet (4) and liquid outlet (8) on pump body (2), inlet (4) with pressure vessel (1) intercommunication sets up, pump body (2) rotation is connected with impeller (3), impeller (3) are used for driving liquid by inlet (4) inflow and in liquid outlet (8) discharge.
2. The small stack cross-head main pump of claim 1, wherein: the pump body (2) comprises a fixed seat (21) fixed on the pressure vessel (1), a pump seat (22) is arranged on one side, close to the pressure vessel (1), of the fixed seat (21), a liquid guide ring (23) is arranged on one side, far away from the fixed seat (21), of the pump seat (22), the impeller (3) is arranged in the liquid guide ring (23), and one end, close to the pump seat (22), of the liquid guide ring (23) extends to the pump cavity (7).
3. The small stack cross-head main pump of claim 2, wherein: the pump seat (22) is provided with an extension ring (6) in the pump cavity (7), and the outer diameter of the extension ring (6) gradually decreases along the direction away from the pump seat (22).
4. The small stack cross-head main pump of claim 3, wherein: the liquid guide plate (5) is arranged between the extension ring (6) and the liquid guide ring (23), the liquid guide plate (5) is streamline, and the thickness of the liquid guide plate is increased and then reduced along the direction away from the impeller (3).
5. The small stack cross-head main pump of claim 1, wherein: the pump is characterized in that a pump shaft (11) is rotationally connected to the pump body (2), the impeller (3) is fixed to the pump shaft (11), a balance cavity (30) is formed in the pump body (2), a balance disc (10) is fixed in the balance cavity (30), pressure cavities (32) and discharge cavities (31) are formed in two sides of the balance disc (10) respectively, the pressure cavities (32) are communicated with the pump cavity (7), and the discharge cavities (31) are communicated with the pressure vessel (1).
6. The small stack cross-head main pump of claim 5, wherein: and a limiting ring groove (17) is formed in the pump shaft (11), the balance disc (10) is fixed on the limiting ring groove (17), and a locking nut (15) is connected to the limiting ring groove (17) in a threaded fit manner.
7. The small stack cross-head main pump of claim 6, wherein: one side of the balance disc (10) close to the impeller (3) is provided with a first fixed ring (13), the side wall of the balance cavity (30) close to the impeller (3) is provided with a second fixed ring (12), and a pressure relief slit (14) is formed between the first fixed ring (13) and the second fixed ring (12).
8. The small stack cross-head main pump of claim 7, wherein: the pump shaft (11) is sleeved with an adjusting piece (16), and the adjusting piece (16) is arranged on one side, far away from the impeller (3), of the balance disc (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320933127.3U CN220118347U (en) | 2023-04-23 | 2023-04-23 | Small-stack transverse main pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320933127.3U CN220118347U (en) | 2023-04-23 | 2023-04-23 | Small-stack transverse main pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118347U true CN220118347U (en) | 2023-12-01 |
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ID=88889101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320933127.3U Active CN220118347U (en) | 2023-04-23 | 2023-04-23 | Small-stack transverse main pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118347U (en) |
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2023
- 2023-04-23 CN CN202320933127.3U patent/CN220118347U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Jinqi Inventor after: Yao Xueliang Inventor after: Gao Zemin Inventor after: Yan Xiaowei Inventor after: Wei Bo Inventor after: Gu Xingtao Inventor before: Lu Jinqi Inventor before: Yao Xueliang Inventor before: Gao Zemin Inventor before: Yan Xiaowei Inventor before: Wei Bo Inventor before: Gu Xingtao |