CN206017172U

CN206017172U - A kind of no-blocking pollution discharging pump

Info

Publication number: CN206017172U
Application number: CN201620902081.9U
Authority: CN
Inventors: 崔利君
Original assignee: SHANGHAI GUANMIN ENVIRONMENTAL TECHNOLOGY Ltd
Current assignee: SHANGHAI GUANMIN ENVIRONMENTAL TECHNOLOGY Ltd
Priority date: 2016-08-18
Filing date: 2016-08-18
Publication date: 2017-03-15
Anticipated expiration: 2026-08-18

Abstract

The utility model discloses a kind of no-blocking pollution discharging pump, including the pump housing, motor and impeller；The pump housing is provided with water sucking mouth and discharge outlet；Also include seal receptacle and grease chamber；The seal receptacle is located between the pump housing and motor, and the grease chamber is sheathed on the circumference of the seal receptacle；Annular accumulator is formed between the grease chamber and seal receptacle；A receiving hole passed through for the machine shaft is provided with the middle part of the seal receptacle；The top of the receiving hole is provided with motor lower bearing, mechanical seal between the lower section rotating shaft of the lower bearing and receiving hole.Impeller of the present utility model is rotated under the drive of motor at a high speed, the vortex of generation is conveyed with realizing medium, plus spacious runner design in unshrouded impeller and volute, so that the various solid particles in medium, even be easy to wind fiber sundries, as long as volute water sucking mouth can be entered, unimpededly can be seen off, real achieves nonclogging effect.

Description

A kind of no-blocking pollution discharging pump

Technical field

The dredge pump that this utility model is related to, more particularly to a kind of no-blocking pollution discharging pump.

Background technology

Existing dredge pump, when blowdown is carried out, is susceptible to wear and tear and blocks, and affects normal blowdown work.

Utility model content

The purpose of this utility model is to solve the problems of the prior art, there is provided a kind of no-blocking pollution discharging pump.

The technical solution of the utility model is：A kind of no-blocking pollution discharging pump, including the pump housing, motor and impeller；The pump housing It is provided with water sucking mouth and discharge outlet；The motor is installed in the rotating shaft of motor installed in the top of the pump housing, the impeller And stretch in the pump housing；It is characterized in that：Also include seal receptacle and grease chamber；The seal receptacle is located at the pump housing and motor Between, the grease chamber is sheathed on the circumference of the seal receptacle；Annular accumulator is formed between the grease chamber and seal receptacle；Described close A receiving hole passed through for the machine shaft is provided with the middle part of envelope seat；The top of the receiving hole is provided with motor lower bearing, Mechanical seal between the rotating shaft of the lower section of the lower bearing and receiving hole.

Preferably, the motor includes motor casing, rotor, stator, upper bearing (metal) and lower bearing；The motor casing is arranged on institute The top of seal receptacle is stated, the upper bearing (metal) is relatively arranged on the inner upper of motor casing with lower bearing；The rotating shaft is installed on institute State between upper and lower bearing, the rotor is sheathed on the circumference of rotating shaft, the stator is relative with the rotor in motor casing.

Preferably, the cable aperture that current supply cable line connector components are penetrated is provided with the outside of the motor casing.

Preferably, the water sucking mouth of the pump housing is located at the bottom of the pump housing, and discharge outlet is located at the sidepiece of the pump housing.

Preferably, also include a hanging piece, the hanging piece is located at the top of the motor.

Preferably, the impeller includes a circular impeller matrix and multiple blades；The length of the blade is less than or equal to The radius of the impeller matrix；Height of the height of the blade more than the impeller matrix；Central authorities in the impeller matrix It is provided with the axis hole passed through for rotating shaft.

Preferably, the plurality of blade is with the center of axis hole as basic point annular array；Between two neighboring blade Region is fluid passage, and the sectional area of the fluid passage gradually broadens from impeller central to vane edge.

Preferably, the outer end of the blade is inclined-plane.

Preferably, the blade is 6, and the fluid passage is 6 roads.

Preferably, the outer end thickness of the impeller matrix is more than its inner thickness.

Preferably, the blade muscle corresponding with the blade is located at the back side of the impeller matrix.

Motor of the present utility model senses dull season using high-performance, per hour the number of starts up to 20 times, two single end faces Mechanical seal, outer mechanical seal are carborundum-pottery, and interior mechanical seal (motor side) is graphite-pottery, is filled with profit in grease chamber Lubricating oil, and isolated using high-strength flexible rubber bellows.

Impeller of the present utility model is rotated under the drive of motor at a high speed, and the vortex of generation is conveyed with realizing medium, is added Spacious runner design in unshrouded impeller and volute so that the various solid particles in medium, be even easy to the fibre that winds Dimension class debris, as long as volute water sucking mouth can be entered, unimpededly can be seen off, and real achieves nonclogging effect Really.

There is larger flow channel space, in use for some time without the need for because of mill between volute of the present utility model and impeller Damage and readjust gap, it is ensured that dredge pump is in long trouble free operation and minimum Operation and Maintenance cost.

The vortex produced in blowdown pump operation is not limited to inside volute, but is effectively expanded to outside water sucking mouth The liquid for enclosing so that larger or heavier impurity is just stirred into suspension before water sucking mouth is entered, it is thus possible to by easily Pumping, this enables catch pit to remain not silted up, while also saving the expense in artificial clear puddle (well).

Further, since the impeller is located at the top of volute, and there is extremely spacious flow channel space in front of impeller, so When solid particle polluter is conveyed by high turbine pump, most of granules are not actually contacted with impeller, so as to subtract significantly Abrasion is lacked.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the front view of impeller in this utility model；

Fig. 3 is the side view of impeller in this utility model.

Specific embodiment

In order that technological means, technical characteristic, utility model purpose and technique effect that this utility model is realized are easy to bright White understanding, with reference to being specifically illustrating, is expanded on further this utility model.

As shown in figure 1, be a kind of no-blocking pollution discharging pump of the present utility model, including the pump housing 1, motor 2 and impeller 3.

Water sucking mouth 10 and discharge outlet 12 is provided with the pump housing 1；The water sucking mouth 10 of the pump housing 1 is located under the pump housing 1 Portion, discharge outlet 11 are located at the sidepiece of the pump housing 1.

The motor 2 is installed in the rotating shaft 20 of motor 2 and is stretched to installed in the top of the pump housing 1, the impeller 3 In the volute of the pump housing 1.

This utility model also includes seal receptacle 4 and grease chamber 40；The seal receptacle 4 installed in the pump housing 1 and motor 2 it Between, the grease chamber 40 is sheathed on the circumference of the seal receptacle 4；Annular accumulator 41 is formed between the grease chamber 40 and seal receptacle 4.? Lubricating oil is filled with the accumulator 41, and is isolated using high-strength flexible rubber bellows.

A receiving hole 42 passed through for the machine shaft 20 is provided with the middle part of the seal receptacle 4；The receiving hole 42 Top is provided with motor lower bearing 21, mechanical seal 43 between the lower section rotating shaft 20 of the lower bearing 21 and receiving hole 42, I.e. two single mechanical end face seals, outer mechanical seal are carborundum-pottery, and interior mechanical seal (motor side) is graphite-pottery.

Motor of the present utility model includes lower bearing 21, upper bearing (metal) 22, motor casing 23, rotor 24 and stator 25；The electricity Casing 23 is relatively arranged on the inside of motor casing 23 installed in the top of the seal receptacle 4, the upper bearing (metal) 22 with lower bearing 21 Top.

Between the upper and lower bearing, the rotor 24 is sheathed on the circumference of rotating shaft 20, described fixed for the rotating shaft 20 Son 25 is relative with the rotor 24 in motor casing 23.

The cable aperture that current supply cable line connector components 26 are penetrated is provided with the outside of motor casing 23, at the top of motor casing 23 A hanging piece 27 is provided with, for slinging or hanging this dredge pump.

As shown in Fig. 3 and Fig. 2, it is impeller of the present utility model 3, the impeller 3 includes a circular impeller matrix 30 and six Blade 31；The outer end thickness of impeller matrix 30 is more than its inner thickness.

Radius of the length of the blade 31 less than or equal to the impeller matrix 30, blade 31 is straight in the present embodiment Line length is identical with the radius of impeller matrix 30.

Impeller is reinforced for further, six corresponding with the blade 31 piece is provided with the back side of the impeller matrix 30 Blade muscle 34, its thickness are slightly above the impeller matrix 30.

Height of the height of the blade 31 more than the impeller matrix 30；Above-mentioned impeller matrix 30, the size of blade 31 Can be configured according to pump housing size；For being venturi effect that impeller realizes high speed under the drive of rotating shaft, in the present embodiment Blade 31 outer end be inclined-plane, be easy to quickly realize pump housing blowdown.

The central authorities of the impeller matrix 30 in the present embodiment are provided with the axis hole 32 passed through for rotating shaft, and the axis hole 32 is used for and motor Rotating shaft be connected, rotated in the pump housing with impeller 3, form vortex.

Six blades 31 in the present embodiment are with the center of axis hole 32 as basic point annular array；In two adjacent leaves Region between piece 31 is fluid passage 33, is formed with six road fluid passages 33 between six blades 31.

The sectional area of the fluid passage 33 gradually broadens from the center of axis hole 32 to the edge of blade 31 so that in medium Various solid particles, be even easy to wind fiber sundries rapidly from discharge outlet discharge, blocking will not be produced.

It is only this utility model preferred embodiment in sum, is not used for limiting practical range of the present utility model. Equivalence changes and modification that i.e. all contents according to this utility model claim are made, should all belong to skill of the present utility model Art category.

Claims

1. a kind of no-blocking pollution discharging pump, including the pump housing, motor and impeller；The pump housing is provided with water sucking mouth and discharge outlet；Described Motor is installed in the rotating shaft of motor and is stretched in the pump housing installed in the top of the pump housing, the impeller；Its feature It is：Also include seal receptacle and grease chamber；The seal receptacle is located between the pump housing and motor, and the grease chamber is sheathed on the sealing The circumference of seat；Annular accumulator is formed between the grease chamber and seal receptacle；One is provided with the middle part of the seal receptacle for the electricity The receiving hole that machine rotating shaft is passed through；The top of the receiving hole is provided with motor lower bearing, in the lower section of the lower bearing rotating shaft with Mechanical seal between receiving hole.

2. no-blocking pollution discharging pump according to claim 1, it is characterised in that：The motor includes motor casing, rotor, determines Son, upper bearing (metal) and lower bearing；The motor casing is oppositely arranged with lower bearing installed in the top of the seal receptacle, the upper bearing (metal) Inner upper in motor casing；The rotating shaft is installed between the upper and lower bearing, and the rotor is sheathed on the circumference of rotating shaft, The stator is relative with the rotor in motor casing.

3. no-blocking pollution discharging pump according to claim 2, it is characterised in that：A power supply is provided with the outside of the motor casing The cable aperture that cable joint component is penetrated.

4. no-blocking pollution discharging pump according to claim 1, it is characterised in that：The water sucking mouth of the pump housing is located at the pump housing Bottom, discharge outlet be located at the pump housing sidepiece.

5. no-blocking pollution discharging pump according to claim 1, it is characterised in that：Also include a hanging piece, the hanging piece is located at described The top of motor.

6. no-blocking pollution discharging pump according to claim 1, it is characterised in that：The impeller include a circular impeller matrix and Multiple blades；Radius of the length of the blade less than or equal to the impeller matrix；The height of the blade is more than the leaf The height of wheel matrix；The axis hole passed through for rotating shaft is provided with the central authorities of the impeller matrix；During the plurality of blade is with axis hole The heart is basic point annular array；Region between two neighboring blade is fluid passage, the sectional area of the fluid passage from Impeller central gradually broadens to vane edge.

7. no-blocking pollution discharging pump according to claim 6, it is characterised in that：The outer end of the blade is inclined-plane.

8. no-blocking pollution discharging pump according to claim 6, it is characterised in that：The blade is 6, and the fluid passage is 6 roads.

9. no-blocking pollution discharging pump according to claim 6, it is characterised in that：The outer end thickness of the impeller matrix is more than which Inner thickness.

10. no-blocking pollution discharging pump according to claim 6, it is characterised in that：The back side of the impeller matrix be located at The corresponding blade muscle of the blade.