CN214998416U

CN214998416U - Energy-efficient desulfurization solution pump

Info

Publication number: CN214998416U
Application number: CN202120907912.2U
Authority: CN
Inventors: 张艳青
Original assignee: Hebei Fengbaili Pump Co ltd
Current assignee: Hebei Fengbaili Pump Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-03
Anticipated expiration: 2031-04-29

Abstract

An efficient and energy-saving desulfurization solution pump comprises a bottom plate, a motor, a rotating shaft, a connecting shell, a bearing seat, a pump body, an impeller, a cylinder and an impeller nut; the motor is arranged on the bottom plate and is in transmission connection with the rotating shaft; the other end of the pump body is provided with a feeding pipe, a flow detection mechanism is arranged in the feeding pipe, the top of the pump body is provided with a discharging pipe, and the rotating shaft sequentially penetrates through the coupler, the bearing and the sealing mechanism to extend into the pump body; the impeller is provided with a first through hole and a second through hole which are coaxial; the barrel is inserted between the rotating shaft and the wall of the second through hole in a matching manner, the inner and outer peripheral walls of the barrel are respectively provided with a limiting bolt, and the limiting bolts are respectively inserted into the first limiting groove and the second limiting groove in a matching manner; the impeller nut is provided with a screw rod, and the screw rod is matched with the threaded hole. The utility model discloses in, be convenient for install and dismantle the impeller, flow in the flow detection mechanism real-time detection feed pipe simultaneously, through variable frequency speed motor adjustment rotational speed, reach energy-efficient effect.

Description

Energy-efficient desulfurization solution pump

Technical Field

The utility model relates to a desulfurization pump technical field especially relates to an energy-efficient desulfurization solution pump.

Background

The desulfurization pump is a pump with corrosion resistance, is mainly used for conveying corrosive liquid and is widely used in general equipment pumps. The existing desulfurization solution pump has the advantages that the rotating speed of a motor is fixed, when the feeding flow changes greatly, the larger power waste can be caused, the energy-saving effect is poorer, the existing desulfurization solution pump impeller and shaft are directly connected in a threaded mode, trapezoidal threads are required to be adopted for the threads of the impeller and the shaft in the connecting mode, a special cutter is required to machine and form the threads, namely, the machining cutter and the precision requirement are higher, the impeller is easily unscrewed and falls off, and once the condition occurs, the whole pump is required to be disassembled and repaired, so that the normal use of the pump is influenced.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides an energy-efficient desulfurization solution pump is convenient for install and dismantle the impeller, and flow detection mechanism real-time detection feed pipe simultaneously through variable frequency speed control motor regulation rotational speed, adapts to the flow that corresponds to reach energy-efficient effect.

(II) technical scheme

The utility model provides a high-efficiency energy-saving desulfurization solution pump, which comprises a bottom plate, a motor, a rotating shaft, a connecting shell, a bearing seat, a pump body, an impeller, a cylinder body and an impeller nut;

the motor is arranged on the bottom plate, is a variable-frequency speed-regulating motor and is in transmission connection with the rotating shaft; a shaft coupling is arranged in the connecting shell, a bearing is arranged in the bearing seat, a sealing mechanism is arranged at one end of the pump body, a feeding pipe is arranged at the other end of the pump body, a flow detection mechanism is arranged in the feeding pipe, a discharging pipe is arranged at the top of the pump body, the connecting shell, the bearing seat and the pump body are all arranged on a bottom plate, and a rotating shaft sequentially penetrates through the shaft coupling, the bearing and the sealing mechanism and extends into the pump body;

the impeller is provided with a first through hole and a second through hole which are coaxial, the diameter of the first through hole is smaller than that of the second through hole, the first through hole is communicated with the second through hole and forms openings on two side surfaces of the impeller respectively, the wall of the second through hole is provided with a second limiting groove, the second limiting groove forms an opening on the end surface of the impeller facing the feeding pipe, the outer peripheral wall of the rotating shaft is provided with a first limiting groove, and the first limiting groove forms an opening on the end surface of the rotating shaft facing the feeding pipe; the cylinder body is inserted between the rotating shaft and the wall of the second through hole in a matching manner, the inner and outer peripheral walls of the cylinder body are respectively provided with a limiting bolt, the limiting bolts are respectively inserted into the first limiting groove and the second limiting groove in a matching manner, the right end of the cylinder body is positioned between the rotating shaft and the feeding pipe, and the cylinder body is provided with a limiting assembly for fixing the cylinder body; the rotating shaft is provided with a threaded hole, the impeller nut is provided with a screw rod, and the screw rod is matched with the threaded hole.

Preferably, the limiting assembly comprises a sealing plate, a supporting plate, a limiting rod, a limiting ring, a spring and a circular truncated cone; the sealing plate is arranged on the inner peripheral wall of the cylinder body, and a through hole for the screw to pass through is formed in the sealing plate; the support plate is horizontally arranged on the end face, facing the impeller nut, of the seal plate, and a through hole for the limiting rod to penetrate through is formed in the support plate; one end of the limiting rod penetrates through the supporting plate, and the other end of the limiting rod is inserted into a limiting hole formed in the wall of the second through hole in a matched manner; the limiting ring is arranged on the limiting rod and is positioned between the wall of the second through hole and the supporting plate; the spring is sleeved on the limiting rod, one end of the spring is connected with the supporting plate, the other end of the spring is connected with the limiting ring, and the spring is in a stretching state; the round platform sets up on the screw rod, and the less one end of round platform size is towards the shrouding, and round platform periphery wall and gag lever post contact.

Preferably, first spacing groove and second spacing groove all set up the multiunit, and spacing bolt sets up the multiunit.

Preferably, the screw material is carbon.

Preferably, the impeller nut is provided with an anti-corrosion coating on the periphery.

Preferably, the diameter of the smallest cross-section circle of the circular truncated cone is equal to the diameter of the cross-section circle of the screw.

Preferably, a ball head is arranged at the contact end of the limiting rod and the circular truncated cone.

Preferably, spacing subassembly sets up the multiunit, and the spacing subassembly of multiunit uses the barrel axis to evenly distributed along the circumference as the center.

The above technical scheme of the utility model has following profitable technological effect: inserting the cylinder into the second through hole, adjusting the angle of the impeller, inserting a limiting bolt into the first limiting groove and the second limiting groove, fixing the cylinder on the wall of the second through hole through a limiting assembly, and finally rotating a screw on an impeller nut into the threaded hole, so that the impeller is convenient to mount and dismount; meanwhile, the flow detection mechanism detects the flow in the feeding pipe in real time, and adjusts the rotating speed through the variable-frequency speed-regulating motor to adapt to the corresponding flow, so that the effects of high efficiency and energy conservation are achieved.

Drawings

Fig. 1 is a schematic structural diagram of a high-efficiency energy-saving desulfurization solution pump provided by the utility model.

Fig. 2 is a sectional view of the high-efficiency energy-saving desulfurization solution pump provided by the utility model.

Fig. 3 is an enlarged schematic view of the position a of the high-efficiency energy-saving desulfurization solution pump provided by the utility model.

Reference numerals: 1. a base plate; 2. a motor; 3. a rotating shaft; 4. connecting the shell; 5. a bearing seat; 6. a pump body; 7. a sealing mechanism; 8. a feed pipe; 9. a discharge pipe; 10. an impeller; 11. a first through hole; 12. a second through hole; 13. a first limit groove; 14. a second limit groove; 15. a barrel; 16. a limiting bolt; 17. closing the plate; 18. a threaded hole; 19. a support plate; 20. a limiting rod; 21. a limiting ring; 22. a spring; 23. a limiting hole; 24. an impeller nut; 25. a screw; 26. a round table.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a high-efficiency energy-saving desulfurization solution pump, which comprises a bottom plate 1, a motor 2, a rotating shaft 3, a connecting shell 4, a bearing seat 5, a pump body 6, an impeller 10, a cylinder 15 and an impeller nut 24;

the motor 2 is arranged on the bottom plate 1, the motor 2 is a variable-frequency speed-regulating motor, and the motor 2 is in transmission connection with the rotating shaft 3; a shaft coupling is arranged in the connecting shell 4, a bearing is arranged in the bearing seat 5, a sealing mechanism 7 is arranged at one end of the pump body 6, a feeding pipe 8 is arranged at the other end of the pump body 6, a flow detection mechanism is arranged in the feeding pipe 8, a discharging pipe 9 is arranged at the top of the pump body 6, the connecting shell 4, the bearing seat 5 and the pump body 6 are all arranged on the bottom plate 1, and the rotating shaft 3 sequentially penetrates through the shaft coupling, the bearing and the sealing mechanism 7 and extends into the pump body 6;

a first through hole 11 and a second through hole 12 which are coaxial are formed in the impeller 10, the diameter of the first through hole 11 is smaller than that of the second through hole 12, the first through hole 11 is communicated with the second through hole 12, openings are formed in two side faces of the impeller 10 respectively, a second limiting groove 14 is formed in the wall of the second through hole 12, the second limiting groove 14 forms an opening in the end face, facing the feeding pipe 8, of the impeller 10, a first limiting groove 13 is formed in the outer peripheral wall of the rotating shaft 3, and the first limiting groove 13 forms an opening in the end face, facing the feeding pipe 8, of the rotating shaft 3; the barrel body 15 is inserted between the rotating shaft 3 and the wall of the second through hole 12 in a matching manner, the inner and outer peripheral walls of the barrel body 15 are respectively provided with a limiting bolt 16, the limiting bolts 16 are respectively inserted into the first limiting groove 13 and the second limiting groove 14 in a matching manner, the right end of the barrel body 15 is positioned between the rotating shaft 3 and the feeding pipe 8, and the barrel body 15 is provided with a limiting component for fixing the barrel body; the rotating shaft 3 is provided with a threaded hole 18, the impeller nut 24 is provided with a screw 25, and the screw 25 is matched with the threaded hole 18.

In the utility model, the cylinder 15 is inserted into the second through hole 12, the angle of the impeller 10 is adjusted, the limit bolt 16 is inserted into the first limit groove 13 and the second limit groove 14, then the cylinder 15 is fixed on the wall of the second through hole 12 through the limit component, and finally the screw 25 on the impeller nut 24 is rotated into the threaded hole 18, so that the impeller 10 is convenient to install and disassemble; meanwhile, the flow detection mechanism detects the flow in the feeding pipe 8 in real time, and adjusts the rotating speed through the variable-frequency speed-regulating motor to adapt to the corresponding flow, so that the effects of high efficiency and energy saving are achieved.

In an alternative embodiment, the limiting assembly comprises a closing plate 17, a supporting plate 19, a limiting rod 20, a limiting ring 21, a spring 22 and a circular truncated cone 26; the sealing plate 17 is arranged on the inner peripheral wall of the cylinder 15, and a through hole for the screw rod 25 to pass through is formed in the sealing plate 17; the supporting plate 19 is horizontally arranged on the end face, facing the impeller nut 24, of the seal plate 17, and a through hole for the limiting rod 20 to penetrate is formed in the supporting plate 19; one end of a limiting rod 20 penetrates through the supporting plate 19, and the other end of the limiting rod 20 is inserted into a limiting hole 23 formed in the hole wall of the second through hole 12 in a matched mode; the limiting ring 21 is arranged on the limiting rod 20, and the limiting ring 21 is positioned between the hole wall of the second through hole 12 and the supporting plate 19; the spring 22 is sleeved on the limiting rod 20, one end of the spring 22 is connected with the supporting plate 19, the other end of the spring 22 is connected with the limiting ring 21, and the spring 22 is in a stretching state; the circular truncated cone 26 is arranged on the screw 25, one end of the circular truncated cone 26 with smaller size faces the sealing plate 17, and the peripheral wall of the circular truncated cone 26 is in contact with the limiting rod 20; in the process that the screw 25 rotates to the threaded hole 18, the peripheral wall of the circular truncated cone 26 pushes the limiting rod 20 to move and is inserted into the limiting hole 23, so that the barrel 15 can be fixed, and the barrel 15 is prevented from moving along the axis direction of the rotating shaft 3.

In an alternative embodiment, the first limiting groove 13 and the second limiting groove 14 are provided in multiple sets, and the limiting bolt 16 is provided in multiple sets; the positioning effect of the cylinder 15 is improved.

In an alternative embodiment, the screw 25 material is carbon steel; the service life is prolonged.

In an alternative embodiment, the impeller nut 24 is provided with an anti-corrosion coating on its outer circumference; the service life is prolonged.

In an alternative embodiment, the minimum cross-sectional circle diameter of the circular truncated cone 26 is equal to the cross-sectional circle diameter of the screw 25; the peripheral wall of the circular truncated cone 26 can be attached to the limiting rod 20 conveniently.

In an optional embodiment, a ball head is arranged at the contact end of the limiting rod 20 and the circular truncated cone 26; the friction force is reduced.

In an optional embodiment, the limiting assemblies are arranged in multiple groups, and the multiple groups of limiting assemblies are uniformly distributed along the circumference by taking the axis of the cylinder body 15 as the center; the fixing effect of the cylinder 15 is improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An efficient and energy-saving desulfurization solution pump is characterized by comprising a bottom plate (1), a motor (2), a rotating shaft (3), a connecting shell (4), a bearing seat (5), a pump body (6), an impeller (10), a cylinder body (15) and an impeller nut (24);

the motor (2) is arranged on the bottom plate (1), the motor (2) is a variable-frequency speed-regulating motor, and the motor (2) is in transmission connection with the rotating shaft (3); a shaft coupling is arranged in the connecting shell (4), a bearing is arranged in the bearing seat (5), a sealing mechanism (7) is arranged at one end of the pump body (6), a feeding pipe (8) is arranged at the other end of the pump body (6), a flow detection mechanism is arranged in the feeding pipe (8), a discharging pipe (9) is arranged at the top of the pump body (6), the connecting shell (4), the bearing seat (5) and the pump body (6) are all arranged on the bottom plate (1), and the rotating shaft (3) sequentially penetrates through the shaft coupling, the bearing and the sealing mechanism (7) and extends into the pump body (6);

a first through hole (11) and a second through hole (12) which are coaxial are formed in the impeller (10), the diameter of the first through hole (11) is smaller than that of the second through hole (12), the first through hole (11) and the second through hole (12) are communicated and form openings on two side faces of the impeller (10) respectively, a second limiting groove (14) is formed in the hole wall of the second through hole (12), an opening is formed in the end face, facing the feeding pipe (8), of the impeller (10) through the second limiting groove (14), a first limiting groove (13) is formed in the outer peripheral wall of the rotating shaft (3), and an opening is formed in the end face, facing the feeding pipe (8), of the rotating shaft (3) through the first limiting groove (13); the barrel (15) is inserted between the rotating shaft (3) and the wall of the second through hole (12) in a matching manner, the inner and outer peripheral walls of the barrel (15) are respectively provided with a limiting bolt (16), the limiting bolts (16) are respectively inserted into the first limiting groove (13) and the second limiting groove (14) in a matching manner, the right end of the barrel (15) is positioned between the rotating shaft (3) and the feeding pipe (8), and the barrel (15) is provided with a limiting assembly for fixing the barrel; the rotating shaft (3) is provided with a threaded hole (18), the impeller nut (24) is provided with a screw (25), and the screw (25) is matched with the threaded hole (18).

2. The high-efficiency energy-saving desulfurization solution pump according to claim 1, wherein the limiting assembly comprises a sealing plate (17), a supporting plate (19), a limiting rod (20), a limiting ring (21), a spring (22) and a circular truncated cone (26); the sealing plate (17) is arranged on the inner peripheral wall of the cylinder body (15), and a through hole for the screw rod (25) to pass through is formed in the sealing plate (17); the support plate (19) is horizontally arranged on the end face, facing the impeller nut (24), of the seal plate (17), and a through hole for the limiting rod (20) to penetrate through is formed in the support plate (19); one end of a limiting rod (20) penetrates through the supporting plate (19), and the other end of the limiting rod (20) is inserted into a limiting hole (23) formed in the hole wall of the second through hole (12) in a matched mode; the limiting ring (21) is arranged on the limiting rod (20), and the limiting ring (21) is positioned between the hole wall of the second through hole (12) and the supporting plate (19); the spring (22) is sleeved on the limiting rod (20), one end of the spring (22) is connected with the supporting plate (19), the other end of the spring (22) is connected with the limiting ring (21), and the spring (22) is in a stretching state; the round platform (26) is arranged on the screw rod (25), one end of the round platform (26) with smaller size faces the sealing plate (17), and the peripheral wall of the round platform (26) is in contact with the limiting rod (20).

3. The high-efficiency energy-saving desulfurization solution pump according to claim 1, wherein the first limiting groove (13) and the second limiting groove (14) are provided in plural sets, and the limiting bolt (16) is provided in plural sets.

4. The high efficiency energy saving devulcanized solution pump of claim 1, wherein the screw (25) material is carbon steel.

5. The high-efficiency energy-saving desulfurizing solution pump according to claim 1, wherein the impeller nut (24) is provided with an anti-corrosion coating on its outer periphery.

6. The energy-efficient desulfurizing solution pump according to claim 2, wherein the diameter of the smallest cross-sectional circle of the circular truncated cone (26) is equal to the diameter of the cross-sectional circle of the screw (25).

7. The high-efficiency energy-saving desulfurization solution pump according to claim 2, wherein a ball head is arranged at the contact end of the limiting rod (20) and the circular truncated cone (26).

8. The desulfurization solution pump of claim 2, wherein a plurality of sets of the limiting assemblies are provided, and the plurality of sets of the limiting assemblies are uniformly distributed along the circumference with the axis of the cylinder (15) as the center.