CN102493957A

CN102493957A - Magnetic automatic control self-priming pump

Info

Publication number: CN102493957A
Application number: CN2011104396678A
Authority: CN
Inventors: 朱昌云
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-23
Filing date: 2011-12-23
Publication date: 2012-06-13

Abstract

The invention relates to a self-priming pump, in particular to a magnetic automatic control self-priming pump. The self-priming pump comprises a motor, a pump shell, an impeller, a pump shaft, a water inlet and a water outlet. The self-priming pump is characterized by also comprising an outer magnetic rotor and an inner magnetic rotor, wherein the motor is arranged on the pump shell, and the motor and a pump form a vertical structure; the outer magnetic rotor is connected with the motor through a motor shaft; the inner magnetic rotor is arranged in the pump shell and is connected with the pump shaft; and the water inlet and the water outlet are connected with the pump shell through pipelines. The self-priming pump is driven by magnetic force and is not rubbed and worn in the operational process, so that the service life is prolonged, the power is reduced, and the self-priming pump is more efficient, energy-saving and low-carbon; the full sealing is adopted in the pump, so that the problems about running, overflow, dripping, leakage and easy volatilization are completely solved; the self-priming performance is stable and reliable, and the function of 'drainage once for lifelong self-priming' is truly realized; and the self-priming pump has a compact structure, is small in vibration and low in noise, can be flexibly moved, is easy to assemble and disassemble, and is not required to be fixed by ground feet.

Description

A kind of magnetic self-controlled self-priming pump

Technical field

The present invention relates to a kind of self-priming pump, in particular, relates to a kind of vertical magneto drive automatic control self-priming pump.

Background technique

Self-priming pump is said from physics principle to belong to a kind of of pump, from conceptive be a kind of machinery through the liquid medium energy is increased, convert electric energy to the kinetic energy of medium and the equipment of potential energy; Rely on the water in the pump, utilize centrifugal impeller to take out light to the air of inlet pipeline, utilize barometric pressure to draw up next pump to the water in the water inlet pool that is lower than the water pump import.

The hydrodynamic seal of self-priming pump technology, or employing at present structure, or adopt conventional filler sealing and mechanical seal.

Adopt the hydrodynamic seal structure because the sub-propeller outside dimension is bigger, and the air horsepower that it consumed is directly proportional with five powers of impeller outer diameter,, make self-priming pump efficient on the low side so sub-propeller can consume power greatly; And sub-propeller is oversize and the easy air inlet of pump chamber influences self-priming performance, and sub-propeller less can appearance again leaks, and technology is difficult to hold.

Adopt packing seal and mechanical seal, the mechanical seal maintenance cost is higher on the one hand, and packing seal is leaked easily, and packing seal and mechanical seal have realized not proper nothing leakage on the other hand, are difficult to the competent higher occasion of seal request that is applied to.

Therefore, the self-priming pump field needs a kind of technology can change the drive mechanism and the sealing configuration of self-priming pump, solve thoroughly that original self-priming pump efficient is low, power big, leakage, self-priming weak effect, can not volatilization prevention problem.

Summary of the invention

The present invention is exactly that original self-priming pump efficient is low in order to solve, power is big, leakage, self-priming weak effect, can not volatilization prevention problem, a kind of magnetic self-controlled self-priming pump is provided, technological scheme of the present invention is following:

A kind of magnetic self-controlled self-priming pump comprises: motor, pump case, impeller, pump shaft, water intake, water outlet,

It is characterized in that, also comprise:

Motor is arranged on the pump case, becomes vertical structure with pump;

Outer magnet rotor is connected with motor through motor shaft;

Interior magnet rotor is arranged at and is connected with pump shaft in the pump case;

Water intake is connected with pump case through pipeline with water outlet.

A kind of magnetic self-controlled self-priming pump as above, wherein, this outer magnet rotor is through magnet rotor motion in the magneto drive.

A kind of magnetic self-controlled self-priming pump as above wherein, is provided with the import check valve in this water intake.

A kind of magnetic self-controlled self-priming pump as above wherein, is provided with outlet non-return valve in this water outlet.

A kind of magnetic self-controlled self-priming pump as above, wherein, this outlet conduit is provided with bleed valve.

A kind of magnetic self-controlled self-priming pump as above, wherein, this pump case is provided with filling opening.

The invention has the beneficial effects as follows:

1. employing magneto drive does not rub, does not have wearing and tearing in the running, improved the life-span, reduces power, makes it more efficient, energy-conservation, low-carbon (LC).

2. sealing fully in the pump has thoroughly solved run, drip, leak, a volatile difficult problem.

3. self-priming performance is reliable and stable, has really realized the function of " drainage, lifelong self-priming ".

4. compact structure, vibrate little, noise is low, move flexibly, dismounting is easy, be easy to install, do not need lower margin to fix.

Description of drawings

Specify the present invention below in conjunction with accompanying drawing and embodiment:

Fig. 1 is used for the structural representation of the implementing apparatus of magnetic self-controlled self-priming pump for the present invention.

Embodiment

For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.

Fig. 1 is used for the structural representation of the implementing apparatus of magnetic self-controlled self-priming pump for the present invention.This device comprises:

Motor 1, pump case 2, water intake 3, water outlet 4, outer magnet rotor 5, interior magnet rotor 6, seal closure 7, bearing 8, bearing 9, fixed support 10, pump shaft 11, impeller 12, axle sleeve 13, bearing gland 14, impeller gland 15, impeller hold-down bolt 16, bleed valve 17, interior magnetic patch gland 18, filling opening 19, drain 20, fastening bolt 21, spiral case 22, seal closure housing pin 23, bearing gland bolt 24.

Motor 1, setting becomes vertical structure with pump case 2 tops with the pump housing, for self-priming pump provides power.

Outer magnet rotor 5 is connected with motor 1 through motor shaft, and fixing by fastening bolt 21, drives running by motor 1.

Fixed support 10 is arranged at pump case 2 inside, and the upper end is connected fixing with pump case 2 upper end seams, and by the sealing gasket sealing, the lower end is connected with seal closure 7 seams, and by 23 fixing, the sealing gasket sealings of seal closure housing pin; Said structure is sealed in the pump pump inner piece fully, and medium can not spill pump case 2 in the pump.

Pump shaft 11, one ends are arranged in the seal closure 7, and it is provided with interior magnet rotor 6, and said interior magnet rotor 6 relies on magnetic force to transmit power with outer magnet rotor 5, finally drives pump shaft 11 and turns round together; Magnet rotor 6 arranged outside have interior magnetic patch gland 18 to fix in said, can not break away from pump shaft 11 when magnet rotor 6 moves in making; Bearing 8, axle sleeve 13, bearing 9 set gradually and pump shaft 11 surfaces, in pump shaft 11 operation process, reduce friction, reduce the wastage, and said bearing 9 arranged outside have bearing gland 14 and fixing by bearing gland bolt 24; Pump shaft 11 the other ends are connected with impeller 12 through the lower end screw thread, and said impeller 12 is arranged in the spiral case 22, and impeller 12 is outside equipped with impeller gland 15, and has impeller hold-down bolt 16 fastening, makes impeller 12 in operation process, can not break away from pump shaft 11.

Water intake 3 is connected with pump case 2 through intake pipe, and the water intake set inside has the import check valve, and it is empty by back suction that said check valve prevents to shut down rear pump shell 2 interior media.

Water outlet 4 is connected with pump case 2 through outlet conduit, and the water outlet set inside has outlet non-return valve, and said safety check prevents that medium from flowing backwards.

Bleed valve 17 is arranged on the outlet conduit, but in when work blowdown pump air, and prevent that outside air from getting into, make to keep vacuum state in the pump, can absorb water automatically always.

Filling opening 19 and drain 20 are arranged on the pump case 2, when working for the first time, add an amount of medium from filling opening 19, make pump startup; Behind end-of-job, open drain 20, medium in the emptying pump.

Apparatus of the present invention when using for the first time, add an amount of medium from filling opening 19 when work; Motor 1 drives outer magnet rotor 5, magnet rotor 6 in driving through magnetic force, and the impeller 12 that finally drives on the pump shaft 11 rotates; Impeller 12 sucks the air medium and the intake pipe from water intake together, and the medium mixed gas is discharged from water outlet at the partially mixed medium of centrifugal action of impeller 12 high speed rotating, and the medium of another part degassing gets into the air that gets into water intake in the pump again to be mixed once more; Under the turning effort of impeller 12, make very soon to form certain degree of vacuum in the pump, thereby reach the purpose of self-priming; By with pump in be provided with the import check valve, medium can't be refluxed, store in the pump has medium always; Use afterwards and need not to add once more medium, realize a drainage, the effect of permanent self-priming; Device adopts outer magnet rotor 5 to utilize magnetic force to realize magnet rotor 6 in the contactless driving of moment, has reduced friction and loss, and has made pump inner piece and medium-tight in pump case 2, and medium can not spill in the pump; Apparatus of the present invention compact structure, vibrate little, noise is low, move flexibly, dismounting is easy, be easy to install, do not need lower margin to fix.

Electric motor drive of the present invention and magnetic drives and vacuum pump principle and vertical water storage box principle are incorporated into one; Change the drive mechanism and the sealing configuration of self-priming pump, thoroughly solved existing self-priming pump run, drip, leak, a volatile difficult problem, simultaneously; Have more wear-resisting effect, also more energy-conservation; The water shutoff style of work through import check valve and outlet non-return valve makes this pump form the automatic control self-priming, and a drainage can produce the self-priming effect always; Compact structure, vibrate little, noise is low, move flexibly, dismounting is easy, be easy to install, do not need lower margin to fix.The present invention suits to be widely used in to the strict industry of self-priming pump obturation effect in electric power, nuclear power, chemical industry, oil, papermaking, food, metallurgy, coal, coking, environmental protection etc.

More than show and described basic principle of the present invention, major character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; The present invention also has various changes and modifications under the prerequisite that does not break away from spirit and scope of the invention, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.

Claims

1. magnetic self-controlled self-priming pump comprises: motor, pump case, impeller, pump shaft, water intake, water outlet, it is characterized in that, and also comprise:

Motor is arranged on the pump case, becomes vertical structure with pump;

Outer magnet rotor is connected with motor through motor shaft;

Water intake is connected with pump case through pipeline with water outlet.

2. a kind of magnetic self-controlled self-priming pump as claimed in claim 1 is characterized in that, this outer magnet rotor is through magnet rotor motion in the magneto drive.

3. a kind of magnetic self-controlled self-priming pump as claimed in claim 1 is characterized in that, is provided with the import check valve in this water intake.

4. a kind of magnetic self-controlled self-priming pump as claimed in claim 1 is characterized in that, is provided with outlet non-return valve in this water outlet.

5. a kind of magnetic self-controlled self-priming pump as claimed in claim 1 is characterized in that this outlet conduit is provided with bleed valve.

6. a kind of magnetic self-controlled self-priming pump as claimed in claim 1 is characterized in that this pump case is provided with filling opening.