CN218235515U - Centrifugal pump capable of preventing cavitation phenomenon - Google Patents
Centrifugal pump capable of preventing cavitation phenomenon Download PDFInfo
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- CN218235515U CN218235515U CN202222172866.3U CN202222172866U CN218235515U CN 218235515 U CN218235515 U CN 218235515U CN 202222172866 U CN202222172866 U CN 202222172866U CN 218235515 U CN218235515 U CN 218235515U
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- pump body
- impeller
- rotation axis
- base
- centrifugal pump
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Abstract
The utility model discloses a can prevent centrifugal pump of cavitation phenomenon, the on-line screen storage device comprises a base, the last fixed surface of base connects the generator and the pump body, pump body surface is provided with detachable protective housing, detachable protective housing both sides are provided with protective housing fixed screw, one side fixedly connected with water inlet of the pump body, the last fixed surface of the pump body is connected with the delivery port, the inside of the pump body is provided with the rotation axis, the one end swing joint of rotation axis is in the one end of generator, the other end of rotation axis is provided with the impeller, the impeller passes through impeller back of the body cap to be fixed in the one end of rotation axis, the inside of the pump body is provided with impeller choma, and this device opens through control switch, and the generator begins the operation, drives the rotation axis simultaneously, and the rotation axis drives two inside impellers of the pump body, and the impeller begins to rotate, will carry from the liquid of the water inlet defeated pump body to reach the effect of carrying liquid.
Description
Technical Field
The utility model relates to a centrifugal pump field especially relates to a centrifugal pump of preventable cavitation phenomenon.
Background
The centrifugal pump can be widely used for conveying slurry containing solid particles in industries such as electric power, metallurgy, coal, building materials and the like, such as hydraulic ash removal of a thermal power plant, ore slurry conveying of a metallurgical concentrating mill, coal slurry of a coal washing plant and heavy medium conveying, when the centrifugal pump works, the pump needs to be placed on the land, the water suction pipe is placed in water, and the pump also needs to be filled and started, and a slurry pump and the submerged centrifugal pump are limited by structures, a motor needs to be placed above the water surface when the centrifugal pump works, and the pump is placed in the water, so that the pump needs to be fixed, otherwise, the motor is scrapped when the motor falls into the water, and the long shaft length is generally fixed, so that the pump is troublesome to install and use, and the application occasions are limited by a lot.
The existing centrifugal pump is troublesome in treatment of cavitation, is simple and crude in the aspect of cavitation prevention, is difficult to effectively prevent the cavitation, and is difficult to maintain and repair after the cavitation.
In view of the above, the present invention provides a centrifugal pump capable of preventing cavitation erosion, in which the structure of the dual impeller can perfectly control the amount of liquid entering and exiting, thereby greatly reducing the effect caused by cavitation erosion, the whole material is made of aluminum-iron bronze, so as to better prevent the formation of cavitation erosion, and the detachable pump body brings great convenience to maintenance and replacement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a centrifugal pump capable of preventing cavitation.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a centrifugal pump that can prevent cavitation, includes the base, the last fixed surface of base connects the generator and the pump body, pump body surface is provided with removable protective housing, removable protective housing both sides are provided with protective housing fixed screw, one side fixedly connected with water inlet of the pump body, the last fixed surface of the pump body is connected with the delivery port, the inside of the pump body is provided with the rotation axis, the one end swing joint of rotation axis is in the one end of generator, the other end of rotation axis is provided with the impeller, the impeller passes through impeller back of the body cap and fixes the one end at the rotation axis, the inside of the pump body is provided with impeller choma, the pump body is provided with footstep bearing with the junction of rotation axis.
As a further description of the above technical solution:
one side of the generator is provided with a control switch which is fixedly connected to the upper surface of the base.
As a further description of the above technical solution:
protection shell fixing screws are arranged on two sides of the detachable protection shell, and the number of the protection shell fixing screws is three, and six protection shell fixing screws are arranged on one side of the protection shell fixing screws.
As a further description of the above technical solution:
the pump body is connected with the generator through a rotating shaft and is made of aluminum iron bronze materials.
As a further description of the above technical solution:
the rotating shaft is movably connected with two impellers, and the impellers are smooth in surface and thick in blade thickness.
As a further description of the above technical solution:
the both ends fixedly connected with base handle of base, the base handle is total two.
As a further description of the above technical solution:
the water inlet and the water outlet are provided with impeller port rings, and connecting holes are formed in the surfaces of the water inlet and the water outlet.
The utility model discloses following beneficial effect has: the double impellers connected with one end of the rotating shaft in the pump body can effectively control the flow of liquid in the pump body, so that the cavitation phenomenon is controlled, the material of the pump body can effectively inhibit the cavitation phenomenon, the service life of the device is effectively prolonged, the detachable pump body also provides convenience for maintenance and replacement, and the daily maintenance is facilitated.
Drawings
Fig. 1 is a schematic view of an overall structure of a centrifugal pump capable of preventing cavitation according to the present invention;
fig. 2 is a schematic diagram of a pump body structure of a centrifugal pump capable of preventing cavitation erosion provided by the present invention;
fig. 3 is a left side view of the centrifugal pump capable of preventing cavitation according to the present invention.
Illustration of the drawings:
1. a base; 2. a generator; 3. a pump body; 4. a removable protective shell; 5. a water outlet; 6. a water inlet; 7. connecting holes; 8. a base handle; 9. a protective housing fixing screw; 10. a rotating shaft; 11. an impeller back cap; 12. an impeller; 13. an impeller eye ring; 14. a thrust bearing; 15. and controlling the switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a centrifugal pump that can prevent cavitation erosion phenomenon, including base 1, the last fixed surface of base 1 connects generator 2 and the pump body 3, the 3 surfaces of the pump body are provided with removable protective housing 4, removable protective housing 4 both sides are provided with protective housing set screw 9, one side fixedly connected with water inlet 6 of the pump body 3, the last fixed surface of the pump body 3 is connected with delivery port 5, the inside of the pump body 3 is provided with rotation axis 10, the one end swing joint of rotation axis 10 is in the one end of generator 2, the other end of rotation axis 10 is provided with impeller 12, impeller 12 passes through impeller back of the body cap 11 to be fixed in the one end of rotation axis 10, the inside of the pump body 3 is provided with impeller mouth ring 13, the junction of the pump body 3 and rotation axis 10 is provided with footstep bearing 14.
Specifically, one side of the generator 2 is provided with a control switch 15, and the control switch 15 is fixedly connected to the upper surface of the base 1.
Specifically, the both sides of detachable protective housing 4 are provided with protective housing fixed screw 9, and protective housing fixed screw 9 one side respectively has threely, six altogether, and detachable protective housing 4 not only provides the guard action for the pump body 3, can also let the pump body 3 become detachable, convenient subsequent maintenance and change.
Specifically, the pump body 3 is connected with the generator 2 through the rotating shaft 10, and the pump body 3 is made of aluminum-iron-bronze material, so that the generation of cavitation can be well inhibited by the aluminum-iron-bronze.
Specifically, the rotating shaft 10 is movably connected with two impellers 12, the impellers 12 have smooth surfaces and thick blades, and the double-impeller 12 structure can control the pressure of liquid and well prevent cavitation.
Specifically, base 1's both ends fixedly connected with base handle 8, base handle 8 is total two, and base handle 8 can let the transportation of this device become simple, and when needs change the installation site, base handle 8 also can facilitate for the transportation.
Specifically, the water inlet 6 and the water outlet 5 are provided with impeller port rings 13, the surfaces of the water inlet 6 and the water outlet 5 are provided with connecting holes 7, and the connecting holes 7 can be well connected with a pipeline for conveying liquid.
The working principle is as follows: this device is opened through control switch 15, generator 2 begins the operation, drive rotation axis 10 simultaneously, rotation axis 10 drives two inside impellers 12 of the pump body 3, impeller 12 begins to rotate, will carry the liquid that advances the pump body 3 from water inlet 6, rotatory impeller 12 is at rotatory in-process, because the interact of impeller 12 and liquid, impeller 12 passes mechanical energy to liquid, make the pressure energy of liquid increase, reach the purpose of carrying liquid, the liquid of carrying can be followed delivery port 5 output more than, thereby reach the effect of carrying liquid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A centrifugal pump capable of preventing cavitation phenomena comprises a base (1), and is characterized in that: the utility model discloses a pump, including base (1), upper surface fixed connection generator (2) and the pump body (3), pump body (3) surface is provided with removable protective housing (4), removable protective housing (4) both sides are provided with protective housing set screw (9), one side fixedly connected with water inlet (6) of the pump body (3), the upper surface fixed connection of the pump body (3) has delivery port (5), the inside of the pump body (3) is provided with rotation axis (10), the one end swing joint of rotation axis (10) is in the one end of generator (2), the other end of rotation axis (10) is provided with impeller (12), impeller (12) are fixed the one end at rotation axis (10) through impeller back cap (11), the inside of the pump body (3) is provided with impeller oral ring (13), the junction of the pump body (3) and rotation axis (10) is provided with footstep bearing (14).
2. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: one side of the generator (2) is provided with a control switch (15), and the control switch (15) is fixedly connected to the upper surface of the base (1).
3. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: protection shell fixing screws (9) are arranged on two sides of the detachable protection shell (4), and the number of the protection shell fixing screws (9) is three, and six protection shell fixing screws are arranged on one side of the protection shell fixing screws.
4. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: the pump body (3) is connected with the generator (2) through a rotating shaft (10), and the pump body (3) is made of aluminum-iron-bronze materials.
5. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: the rotary shaft (10) is movably connected with two impellers (12), the number of the impellers (12) is two, and the surface of each impeller (12) is smooth and the blades are thick.
6. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: the base is characterized in that base handles (8) are fixedly connected to two ends of the base (1), and the number of the base handles (8) is two.
7. A centrifugal pump capable of preventing cavitation according to claim 1, wherein: the water inlet (6) and the water outlet (5) are provided with impeller port rings (13), and the surfaces of the water inlet (6) and the water outlet (5) are provided with connecting holes (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222172866.3U CN218235515U (en) | 2022-08-18 | 2022-08-18 | Centrifugal pump capable of preventing cavitation phenomenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222172866.3U CN218235515U (en) | 2022-08-18 | 2022-08-18 | Centrifugal pump capable of preventing cavitation phenomenon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218235515U true CN218235515U (en) | 2023-01-06 |
Family
ID=84682678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222172866.3U Active CN218235515U (en) | 2022-08-18 | 2022-08-18 | Centrifugal pump capable of preventing cavitation phenomenon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218235515U (en) |
-
2022
- 2022-08-18 CN CN202222172866.3U patent/CN218235515U/en active Active
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