CN213088242U

CN213088242U - Forced circulation pump

Info

Publication number: CN213088242U
Application number: CN202021961232.0U
Authority: CN
Inventors: 黄永飞; 王财
Original assignee: Jingjiang Source Pump Valve Manufacturing Co ltd
Current assignee: Jingjiang Source Pump Valve Manufacturing Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-30
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a forced circulation pump, the on-line screen storage device comprises a base, the right-hand member fixedly connected with conversion seat of base, the right-hand member of conversion seat is provided with the end of intaking, and the upper end is provided with out the water end, is provided with the flabellum in the conversion seat, flabellum fixed connection is at the right-hand member of connecting axle, the conversion seat is stretched out to the left end of connecting axle, the left end fixedly connected with motor of base, the motor is connected with the connecting axle drive, both ends are provided with a plurality of connection feet around. The utility model relates to a compact structure, stability is high, the forced circulation pump that the lift is high.

Description

Forced circulation pump

Technical Field

The utility model relates to a circulating pump technical field specifically is a forced circulation pump.

Background

The forced circulation pump is a high-flow, low-lift axial-flow pump, is specially used for forced circulation of evaporators in the industries of ammonium phosphate, phosphoric acid, vacuum salt making, alumina, caustic soda, light industry and the like, and can also be used as a circulation pump of a crystallizer and a reactor. However, most of the existing forced circulation pumps have old models, and have slow progress in parameters such as heat dissipation performance, efficiency, flow rate, lift and the like. Therefore, there is a need for a new type of forced circulation pump that overcomes the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forced circulation pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a forced circulation pump, includes the base, the right-hand member fixedly connected with conversion seat of base, the right-hand member of conversion seat is provided with the end of intaking, and the upper end is provided with out the water end, is provided with the flabellum in the conversion seat, flabellum fixed connection is at the right-hand member of connecting axle, the conversion seat is stretched out to the left end of connecting axle, and the left end fixedly connected with motor of base, the motor is connected with the connecting axle drive, both ends are provided with a plurality of connection feet around the.

Preferably, the middle part fixedly connected with beam barrel of base, the connecting axle rotates and is connected with in the beam barrel, set up between the circumference inner wall at both ends and the connecting axle about the beam barrel and install the bearing, the left end of conversion seat is provided with flange, the right-hand member of beam barrel is provided with flange, flange and flange fixed connection.

Preferably, a bearing cooling device is arranged in the shaft barrel and comprises an annular cooling box fixedly connected to the circumferential inner wall of the shaft barrel, and the annular cooling box is connected with the bearing.

Preferably, the top of the annular cooling box is connected with the water outlet end through a water inlet pipe, and the bottom of the annular cooling box is connected with the water inlet end through a water outlet pipe.

Preferably, a driving pulley is fixedly connected to a main shaft of the motor, a driven pulley is fixedly connected to the left end of the connecting shaft, and the driving pulley is in transmission connection with the driven pulley through a belt.

Preferably, the base is fixedly connected with a protective cover, and the protective cover is covered on the outer sides of the driving belt wheel and the driven belt wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, the base passes through bolt fixed connection on the evaporimeter, reciprocates along with the expend with heat and contract with cold of evaporimeter, has cancelled expensive expansion joint operation on the evaporimeter reliably. The pump body adopts a plate welding structure, and is polished to have small resistance. The pump body mechanism is compact, and the conveying lift is high. The shaft barrel reduces the vibration of the connecting shaft, so that the stability of the pump body is improved. When the cooling device works, the water outlet pipe and the water inlet end respectively feed water and discharge water, and circulating water in the annular cooling box cools the bearing, so that the cooling efficiency of the bearing is improved. The utility model relates to a compact structure, stability is high, the forced circulation pump that the lift is high.

Drawings

FIG. 1 is a schematic view of a forced circulation pump;

fig. 2 is a partially enlarged view of fig. 1 at K.

In the figure: 1-base, 2-connecting pin, 3-motor, 4-main shaft, 5-connecting shaft, 6-fan blade, 7-conversion base, 8-water outlet end, 9-water inlet end, 10-driving belt wheel, 11-driven belt wheel, 12-belt, 13-protective cover, 14-shaft barrel, 15-bearing, 16-annular cooling box, 17-water inlet pipe, 18-water outlet pipe, 19-connecting flange and 20-butt flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a forced circulation pump, includes base 1, base 1's right-hand member fixedly connected with conversion seat 7, the right-hand member of conversion seat 7 is provided with into water end 9, and the upper end is provided with out water end 8, is provided with flabellum 6 in the conversion seat 7, 6 fixed connection of flabellum is at the right-hand member of connecting axle 5, conversion seat 7 is stretched out to the left end of connecting axle 5, and base 1's left end fixedly connected with motor 3, motor 3 is connected with connecting axle 5 drive, both ends are provided with a plurality of connection feet 2 around base 1.

The base 1 is fixedly connected to the evaporator through bolts and moves up and down along with expansion and contraction of the evaporator, and an expensive expansion joint on the evaporator is omitted, so that the operation is reliable. The pump body adopts a plate welding structure, and is polished to have small resistance. The pump body mechanism is compact, and the conveying lift is high.

Preferably, the middle part fixedly connected with beam barrel 14 of base 1, during connecting axle 5 rotates and is connected with beam barrel 14, set up between the circumference inner wall at both ends and connecting axle 5 about beam barrel 14 and install bearing 15, the left end of conversion seat 7 is provided with flange 19, the right-hand member of beam barrel 14 is provided with flange 20, flange 20 and flange 19 fixed connection.

The shaft tube 14 reduces the vibration of the connecting shaft 5, thereby improving the stability of the pump body.

Preferably, a bearing cooling device is arranged in the shaft cylinder 14, the bearing cooling device comprises an annular cooling box 16 fixedly connected to the circumferential inner wall of the shaft cylinder 14, and the annular cooling box 16 is connected with the bearing 15.

Preferably, the top of the annular cooling box 16 is connected with the water outlet end 8 through a water inlet pipe 17, and the bottom of the annular cooling box 16 is connected with the water inlet end 9 through a water outlet pipe 18.

When the cooling device works, the water outlet pipe 18 and the water inlet end 9 respectively supply water and discharge water, and circulating water in the annular cooling box 16 cools the bearing 15, so that the cooling efficiency of the bearing is improved.

Preferably, a driving pulley 10 is fixedly connected to the main shaft 4 of the motor 3, a driven pulley 11 is fixedly connected to the left end of the connecting shaft 5, and the driving pulley 10 and the driven pulley 11 are in transmission connection through a belt 12.

The motor 3 drives the connecting shaft 5 to rotate through belt transmission.

Preferably, a protective cover 13 is fixedly connected to the base 1, and the protective cover 13 covers the outer sides of the driving pulley 10 and the driven pulley 11.

The protective cover 13 protects the belt transmission structure.

The utility model discloses a theory of operation is: the base 1 is fixedly connected to the evaporator through bolts and moves up and down along with expansion and contraction of the evaporator, and an expensive expansion joint on the evaporator is omitted, so that the operation is reliable. The pump body adopts a plate welding structure, and is polished to have small resistance. The pump body mechanism is compact, and the conveying lift is high. The shaft tube 14 reduces the vibration of the connecting shaft 5, thereby improving the stability of the pump body. When the cooling device works, the water outlet pipe 18 and the water inlet end 9 respectively supply water and discharge water, and circulating water in the annular cooling box 16 cools the bearing 15, so that the cooling efficiency of the bearing is improved. The motor 3 drives the connecting shaft 5 to rotate through belt transmission. The protective cover 13 protects the belt transmission structure.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A forced circulation pump, comprising a base (1), characterized in that: the right-hand member fixedly connected with conversion seat (7) of base (1), the right-hand member of conversion seat (7) is provided with into water end (9), and the upper end is provided with out water end (8), is provided with flabellum (6) in conversion seat (7), flabellum (6) fixed connection is at the right-hand member of connecting axle (5), conversion seat (7) are stretched out to the left end of connecting axle (5), and the left end fixedly connected with motor (3) of base (1), motor (3) are connected with connecting axle (5) drive, both ends are provided with a plurality of connection feet (2) around base (1).

2. A forced circulation pump according to claim 1, characterized in that: the middle part fixedly connected with axle sleeve (14) of base (1), connecting axle (5) are rotated and are connected with in axle sleeve (14), set up between the circumference inner wall at both ends and connecting axle (5) about axle sleeve (14) and install bearing (15), the left end of conversion seat (7) is provided with flange (19), the right-hand member of axle sleeve (14) is provided with flange (20), flange (20) and flange (19) fixed connection.

3. A forced circulation pump according to claim 2, characterized in that: the bearing cooling device is arranged in the shaft barrel (14) and comprises an annular cooling box (16) fixedly connected to the circumferential inner wall of the shaft barrel (14), and the annular cooling box (16) is connected with the bearing (15).

4. A forced circulation pump according to claim 3, characterized in that: the top of the annular cooling box (16) is connected with the water outlet end (8) through a water inlet pipe (17), and the bottom of the annular cooling box (16) is connected with the water inlet end (9) through a water outlet pipe (18).

5. A forced circulation pump according to claim 1, characterized in that: the motor is characterized in that a driving belt wheel (10) is fixedly connected to a main shaft (4) of the motor (3), a driven belt wheel (11) is fixedly connected to the left end of the connecting shaft (5), and the driving belt wheel (10) is in transmission connection with the driven belt wheel (11) through a belt (12).

6. A forced circulation pump according to claim 5, characterized in that: fixedly connected with protection casing (13) on base (1), the outside at driving pulley (10) and driven pulley (11) is established in protection casing (13) cover.