CN206478006U - A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer - Google Patents
A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer Download PDFInfo
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- CN206478006U CN206478006U CN201720081606.1U CN201720081606U CN206478006U CN 206478006 U CN206478006 U CN 206478006U CN 201720081606 U CN201720081606 U CN 201720081606U CN 206478006 U CN206478006 U CN 206478006U
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- nanometer
- sprayed coating
- wheel hub
- diamondite
- centrifugal pump
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Abstract
The utility model provides a kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, including truncated cone-shaped wheel hub, the hub centre is provided with the axis hole passed through for rotating shaft, multiple blades are additionally provided with the wheel hub, the blade is using hub centre as round dot, divergence expression axial bending shape is distributed on the wheel hub, the hub surface and blade surface are provided with the Ni-based diamondite sprayed coating of nanometer, and the Ni-based diamondite sprayed coating of nanometer is nanometer tungsten carbide and Ni60 alloy powder mixture coatings.The utility model in wheel hub and blade surface by setting the Ni-based diamondite sprayed coating of nanometer, using nanometer tungsten carbide and the mixture of nickel-base alloy, hardness is up to HV 1,200 1300, make coating that there is very high hardness and wearability, the collision of the impurity such as sandstone in waste paper, cullet, peg can be born and extruded without coming off, and then extend the service life of impeller.
Description
Technical field
The utility model is related to field of mechanical technique, is related to a kind of impeller, more particularly to a kind of Ni-based with nanometer
The open centrifugal pump impeller of diamondite sprayed coating.
Background technology
Impeller is the acting part of centrifugal pump, fluid is done work and realized the conveying of fluid by its high speed rotation.Make
Fluid in paper industry is because containing substantial amounts of fiber and suspended impurity, so the centrifugal pump of conveying typically uses open type or half-open
Formula impeller, can effectively prevent clogging.
Different from double shrouded wheel, unshrouded impeller is separated with cover plate, the gap for having 0.5-0.7mm between the two, cover plate
It is actionless.The paper mill of production wrapping paper, which is generally largely used, contains a large amount of pegs, sand in reclaim paper, reclaim paper
The impurity such as stone, cullet, paper pulp generally enters in centrifugal pump in the case of incomplete cleared impurity, because impeller revolves at a high speed
Turn, these impurity can be filled into rapidly in the gap between impeller and cover plate, so that serious abrasion is caused to impeller and cover plate,
Gap is increased rapidly, cause the discharge pressure and flow of centrifugal pump to decline.
Unshrouded impeller is typically cast using stainless steel, is involved great expense, service life only has in the case of no heat treatment
2-3 months；Service life can be doubled after Overheating Treatment.But on the whole, the service life of unshrouded impeller still compared with
It is short.
Therefore, prior art has yet to be improved and developed.
Utility model content
The purpose of this utility model is to provide a kind of open centrifugal pump with the Ni-based diamondite sprayed coating of nanometer
Impeller, it is intended to which it is poor to solve existing open centrifugal pump impeller abrasion-proof, the problem of service life is short.
The technical solution of the utility model is as follows：
A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, including truncated cone-shaped wheel hub, it is described
Hub centre is provided with the axis hole passed through for rotating shaft, the wheel hub and is additionally provided with multiple blades, and the blade is with hub centre
For round dot, divergence expression axial bending shape is distributed on the wheel hub, and it is Ni-based that the hub surface and blade surface are provided with nanometer
Diamondite sprayed coating, the Ni-based diamondite sprayed coating of nanometer is nanometer tungsten carbide and Ni60 alloy powder mixtures
Coating.
The described open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, wherein, set on the blade
It is equipped with reinforcement.
The described open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, wherein, set on the wheel hub
Multiple balance pipes are equipped with, the balance pipe is evenly distributed on the wheel hub centered on the axis hole.
The described open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, wherein, the nanometer is Ni-based
The thickness of diamondite sprayed coating is 0.3-0.8mm.
The described open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, wherein, the blade and wheel
Hub keeps vertical, is uniformly distributed along the hub surface, and tail end stretches out the hub surface.
The beneficial effects of the utility model are：The utility model provides a kind of with the Ni-based diamondite spraying of nanometer
The open centrifugal pump impeller of layer, by setting the Ni-based diamondite sprayed coating of nanometer in wheel hub and blade surface, using nanometer
The mixture of tungsten carbide and nickel-base alloy, hardness is up to HV 1200-1300, coating is had very high hardness and wearability, can
Bear the collision of the impurity such as sandstone in waste paper, cullet, peg and extrude without coming off, and then extend the use of impeller
Life-span, in addition, by setting balance pipe on wheel hub come balance portion axial force so that impeller is unlikely to excessive mechanical attrition,
Increase the service life of impeller.
Brief description of the drawings
Fig. 1 is a kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer that the utility model is provided
Structural representation.
Accompanying drawing marks explanation：1st, wheel hub；2nd, axis hole；3rd, blade；4th, reinforcement；5th, balance pipe.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.
Referring to Fig. 1, a kind of open type centrifugation with the Ni-based diamondite sprayed coating of nanometer provided for the utility model
Impeller of pump, including truncated cone-shaped wheel hub 1, wheel hub 1 are provided centrally with being additionally provided with multiple leaves on the axis hole 2 passed through for rotating shaft, wheel hub 1
Piece 3, the number of blade 3 is three in the present embodiment, and the blade 3 is using the center of wheel hub 1 as round dot, divergence expression axial bending shape
It is distributed on wheel hub 1, the surface of wheel hub 1 and the surface of blade 3 are provided with the Ni-based diamondite sprayed coating of nanometer, and the nanometer is Ni-based
Diamondite sprayed coating is nanometer tungsten carbide and Ni60 alloy powder mixture coatings.Preferably, the Ni-based carbonization of the nanometer
The thickness of tungsten alloy sprayed coating is 0.3-0.8mm.Preferably, the Ni-based diamondite sprayed coating of the nanometer is by nanometer tungsten carbide
It is made with Ni60 alloy powders, the collision of the impurity such as sandstone in waste paper, cullet, peg can be born and extruded without taking off
Fall.In actual applications, the Ni-based diamondite sprayed coating of the nanometer can be made by following process：The nanometer tungsten carbide
With Ni60 alloy powders by supersonic spray coating in the disc surface, the Ni-based diamondite spray of the preliminary nanometer is formed
Coating, then the Ni-based diamondite sprayed coating of the nanometer is sintered with oxy-acetylene flame, 1000 DEG C of sintering temperature makes
The Ni-based diamondite sprayed coating of nanometer forms metallurgical binding with the surface of wheel hub 1 and the surface of blade 3, and bond strength reaches
More than 200MPA；Nanometer tungsten carbide and nickel-base alloy combine together in the Ni-based diamondite sprayed coating of nanometer simultaneously, make
The metallurgical binding of the hard phase such as WC and CrC, CrB and Ni formation high intensity in the Ni-based diamondite sprayed coating of nanometer,
Hard Inclusion is not allowed easy to fall off when being worn away, therefore coating has very high hardness and wearability, and hardness is up to HV 1200-1300.
Simultaneously as in the Ni-based diamondite sprayed coating of nanometer tungsten carbide nanometer phase presence so that the Ni-based carbon of nanometer
Changing tungsten alloy sprayed coating has higher toughness, and when being collided by impurity, coating is difficult to collapse de-.Further, since the nano nickel
The Ni-based diamondite sprayed coating of the nanometer after base diamondite sprayed coating very high density, sintering has smoothly original
Surface, can be used without processing, saves substantial amounts of machining expense.
In actual applications, between the Ni-based diamondite sprayed coating of the nanometer and the surface of wheel hub 1 and the surface of blade 3 also
Layer of sand is provided with, the layer of sand can play a part of clean surface, while also contributing to the Ni-based diamondite spray of the nanometer
Coating is preferably attached on the surface of wheel hub 1 and the surface of blade 3.
In actual applications, it is to be also provided with reinforcement 4 on the stability of further reinforced blade 3, blade 3, with
Strengthen the intensity of blade 3, extend its service life.
Preferably, multiple balance pipes 5 are provided with wheel hub 1, in the present embodiment, the quantity of balance pipe 5 is 3, balance
Hole 5 is evenly distributed on wheel hub 1 centered on axis hole 2.By setting balance pipe 5 on wheel hub 1 come balance portion axial force,
So that impeller is unlikely to excessive mechanical attrition, increase the service life of impeller.
As shown in figure 1, blade 3 keeps vertical with wheel hub 1, it is uniformly distributed along the surface of wheel hub 1, tail end stretches out the table of wheel hub 1
Face, blade 3 is overall streamlined, enables slurry more smooth and is flowed along blade 3.
In actual applications, it is the stability of further reinforced blade 3, the abrasion of blade 3 is reduced, it is also an option that every
Baffle plate is set up on the individual periphery of blade 3（Not shown in figure）, the baffle surface equally sets the spray of the nanometer Ni-based diamondite
Coating.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit is required.
Claims (5)
1. a kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer, it is characterised in that including truncated cone-shaped
Wheel hub, the hub centre, which is provided with the axis hole passed through for rotating shaft, the wheel hub, is additionally provided with multiple blades, the blade with
Hub centre is round dot, and divergence expression axial bending shape is distributed on the wheel hub.
2. the open centrifugal pump impeller according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, its feature
It is, reinforcement is provided with the blade.
3. the open centrifugal pump impeller according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, its feature
It is, multiple balance pipes are provided with the wheel hub, and the balance pipe is evenly distributed on the wheel hub centered on the axis hole
On.
4. the open centrifugal pump impeller according to claim 1 with the Ni-based diamondite sprayed coating of nanometer, its feature
It is, the thickness of the Ni-based diamondite sprayed coating of nanometer is 0.3-0.8mm.
5. the open centrifugal pump impeller according to claim 4 with the Ni-based diamondite sprayed coating of nanometer, its feature
It is, the blade is vertical with wheel hub holding, is uniformly distributed along the hub surface, tail end stretches out the hub surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081606.1U CN206478006U (en) | 2017-01-22 | 2017-01-22 | A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720081606.1U CN206478006U (en) | 2017-01-22 | 2017-01-22 | A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478006U true CN206478006U (en) | 2017-09-08 |
Family
ID=59753696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720081606.1U Expired - Fee Related CN206478006U (en) | 2017-01-22 | 2017-01-22 | A kind of open centrifugal pump impeller with the Ni-based diamondite sprayed coating of nanometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206478006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026825A (en) * | 2018-09-17 | 2018-12-18 | 浙江泽浩泵业有限公司 | A kind of water pump vane structure |
-
2017
- 2017-01-22 CN CN201720081606.1U patent/CN206478006U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026825A (en) * | 2018-09-17 | 2018-12-18 | 浙江泽浩泵业有限公司 | A kind of water pump vane structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170908 Termination date: 20220122 |