CN108591115A - A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump - Google Patents
A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump Download PDFInfo
- Publication number
- CN108591115A CN108591115A CN201810324494.7A CN201810324494A CN108591115A CN 108591115 A CN108591115 A CN 108591115A CN 201810324494 A CN201810324494 A CN 201810324494A CN 108591115 A CN108591115 A CN 108591115A
- Authority
- CN
- China
- Prior art keywords
- silicon carbide
- medium
- slurry pump
- heavy type
- type slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/226—Carbides
- F05D2300/2261—Carbides of silicon
Abstract
The invention belongs to fluid device technical fields, more particularly to the medium-sized silicon carbide ceramic impeller of a kind of heavy type slurry pump, it includes the metallic framework that silicon carbide ceramics is located at edge inside silicon carbide ceramics, the metallic framework includes wheel hub and metal blade, the metal blade is fixed at the outside of wheel hub, there are fit-up gaps between the metallic framework and silicon carbide ceramics, resin adhesive is filled in the fit-up gap, suitable for the pulp particle that long-term delivery diameter is 4~8mm, easily it can be attached and fix with main shaft, and it is good with shock resistance, it is used suitable for high pressure, the features such as service life of impeller is long.
Description
Technical field
The invention belongs to fluid device technical field, more particularly to the medium-sized silicon carbide ceramics leaf of a kind of heavy type slurry pump
Wheel.
Background technology
Heavy type slurry pump is suitable for conveying the conveying of the resistance to abrasion containing solid particle and the slurries of corrosion resistance, such as smelting
Golden ore dressing plant pulp conveying, cinder of electric power plant conveying, coal slurry conveying and dense media conveying etc., impeller is the core of heavy type slurry pump
Part, using silicon carbide ceramics as the surface contact material of impeller be promoted impeller resistance to abrasion and corrosion resistance important side
Method can effectively improve the service life of impeller.
When delivery diameter is the pulp particle of 4~8mm, impeller needs to design larger diameter, existing silicon carbide
Ceramic impeller has that shock resistance is poor, is easy explosion under high pressure because brittleness is larger, and silicon carbide ceramics
Adhesive effect between material and other materials is poor, and service life is short.Therefore, it is necessary to specially design during a kind of heavy type slurry pump uses
Type silicon carbide ceramic impeller, to meet the needs of long-term delivery diameter is 4~8mm pulp particles.
Invention content
The present invention to solve the above-mentioned problems, provides a kind of heavy type slurry pump medium-sized silicon carbide ceramic impeller, is suitable for
Long-term delivery diameter is the pulp particle of 4~8mm, good with shock resistance, used suitable for high pressure, the service life of impeller
The features such as long, and easily can be attached and fix with main shaft.
The present invention is realized using following technical scheme：
A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, including silicon carbide ceramics and edge are located in silicon carbide ceramics
The metallic framework in portion, the metallic framework include wheel hub and metal blade, and the metal blade is fixed at the outside of wheel hub,
There are fit-up gap between the metallic framework and silicon carbide ceramics, resin adhesive is filled in the fit-up gap.
Preferred scheme, the arc-shaped setting at least one side of metal blade.
Preferred scheme extends transversely through on the metal blade and is provided with several the first hole for injecting glue.
Preferred scheme is longitudinally provided through several the second hole for injecting glue on the wheel hub.
Preferred scheme, second hole for injecting glue along the circumferential direction array distribution centered on the axis of wheel hub.
Preferred scheme raises up at the center of the wheel hub and is provided with assembly bench, the inside setting of the assembly bench
There is internal thread.
Preferred scheme, the metallic framework are made of stainless steel.
The beneficial effects of the invention are as follows：
1. a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, metallic framework is easy to process and has good machinery
Metallic framework is arranged in the inside of silicon carbide ceramics, the shape of metal blade and the outer shape phase of silicon carbide ceramics performance
Cooperation, significantly improves the shock resistance of heavy type slurry pump medium-sized silicon carbide ceramic impeller entirety, resin bonding layer has
Complicated spatial structure characteristic, improves the adhesive strength between silicon carbide ceramics and metallic framework so that heavy type slurry pump is used
The advantages that medium-sized silicon carbide ceramic impeller bonding is secured, and service life is long, is suitable for the slurry that long-term delivery diameter is 4~8mm
Particle.
2. a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, the embedded design of metallic framework reduce carbonization
The thickness of silicon ceramics, reduces the sintering difficulty of silicon carbide ceramics, ensures that silicon carbide ceramics is grilled thoroughly.
3. the arc setting of a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, metal blade increases ceramic material
Bond area between metal material improves the adhesive strength between silicon carbide ceramics and metallic framework.
4. a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, while it being provided with horizontal and vertical hole for injecting glue,
For resin in perfusion, resin is full of hole for injecting glue, the resin layer of three-dimensional mesh is formed after hardening of resin, simultaneously to metallic framework
Horizontal force and longitudinal force are provided, the adhesive strength between silicon carbide ceramics and metallic framework is greatly strengthened.
5. a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, by with the rapidoprint of main shaft connecting component by ceramics
Material changes into metal material, to reduce difficulty of processing, facilitates and impeller is attached and is fixed with main shaft, and uses spiral shell
The mode of line connection connects impeller and main shaft, has many advantages, such as that simple in structure, connection is reliable, convenient for disassembly and assembly.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For persons skilled in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the sectional view of the medium-sized silicon carbide ceramic impeller of heavy type slurry pump of the present invention.
Fig. 2 is the structural schematic diagram of the metallic framework of the present invention.
In figure, 1, silicon carbide ceramics；2, metallic framework；21, wheel hub；22, metal blade；23, the first hole for injecting glue；24,
Two hole for injecting glue；25, assembly bench.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, the every other implementation that persons skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Fig. 1~2, a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, including silicon carbide ceramics 1 and edge are set
Metallic framework 2 inside silicon carbide ceramics 1, metallic framework 2 is easy to process and has good mechanical performance, by metallic framework
2 are arranged the shock resistance that heavy type slurry pump is significantly improved in the inside of silicon carbide ceramics 1 with medium-sized silicon carbide ceramic impeller entirety
Performance, is suitable for the pulp particle that long-term delivery diameter is 4~8mm, and the metallic framework 2 includes wheel hub 21 and metal blade
22, the metal blade 22 is fixed at the outside of wheel hub 21, and there are dresses between the metallic framework 2 and silicon carbide ceramics 1
With gap, resin adhesive is filled in the fit-up gap, it is metallic framework 2 is pre-buried to inside silicon carbide ceramics 1 when making,
After metallic framework 2 and silicon carbide ceramics 1 are fixed by fixture, resin adhesive is poured into silicon carbide ceramics 1 and metallic framework 2
Between gap in, resin adhesive forms complicated adhesive linkage structure, and the heavy type of one is formed after ambient temperature curing molding
The medium-sized silicon carbide ceramic impeller of Pulp pump, complex-shaped, spatial structure characteristic of the resin bonding layer with complexity of wheel hub 21,
Improve the adhesive strength between silicon carbide ceramics 1 and metallic framework 2 so that the medium-sized silicon carbide ceramic impeller of heavy type slurry pump
The advantages that bonding is secured, and service life is long.
The embedded design of metallic framework 2 reduces the thickness of silicon carbide ceramics 1, reduces the sintering of silicon carbide ceramics 1
Difficulty ensures that silicon carbide ceramics 1 is grilled thoroughly.
In the present embodiment, the 22 arc-shaped setting at least one side of the metal blade, the arc setting of metal blade 22
The bond area between ceramic material and metal material is increased, the bonding between silicon carbide ceramics 1 and metallic framework 2 is improved
Intensity.
In a preferred embodiment, the impeller wheel portion shape of the shape of the metal blade 22 and silicon carbide ceramics 1
It is identical, the shock resistance of silicon carbide ceramics 1 is improved, to significantly improve heavy type slurry pump with medium-sized silicon carbide ceramics leaf
Take turns whole shock resistance.
It in the present embodiment, is extended transversely through on the metal blade 22 and is provided with several the first hole for injecting glue 23, resin is filling
When note be full of the first hole for injecting glue 23, after hardening of resin can in the resin layer for being transversely formed H-shaped, reinforce silicon carbide ceramics 1 with
Adhesive strength between metallic framework 2.
Several second hole for injecting glue 24 are longitudinally provided through in the present embodiment, on the wheel hub 21, resin is in perfusion
Full of the second hole for injecting glue 24, the first hole for injecting glue 23 can be coordinated to use in the resin layer for being longitudinally formed H-shaped after hardening of resin
When, the resin after solidification is three-dimensional mesh and provides horizontal force and longitudinal force simultaneously to metallic framework 2, greatly
Strengthen the adhesive strength between silicon carbide ceramics 1 and metallic framework 2.
In the present embodiment, second hole for injecting glue 24 along the circumferential direction array distribution centered on the axis of wheel hub 21, into
One step improves the adhesive effect between silicon carbide ceramics 1 and metallic framework 2.
In the present embodiment, raise up at the center of the wheel hub 21 and be provided with assembly bench 25, the assembly bench 25 it is interior
Portion is provided with internal thread, will change into metallic framework 2 by silicon carbide ceramics 1 with the connecting component of main shaft, changes from ceramic material
For metal material, bonding strength is improved, reduces difficulty of processing, is facilitated the medium-sized silicon carbide ceramic impeller of heavy type slurry pump
It is attached and fixes with main shaft, heavy type slurry pump is connected by the way of threaded connection with medium-sized silicon carbide ceramic impeller and master
Axis has many advantages, such as that simple in structure, connection is reliable, convenient for disassembly and assembly, and raised assembly bench 25 enables the surface of metallic framework 2 to fill out
More resin adhesive is filled without blocking assembly bench 25, and the bonding improved between silicon carbide ceramics 1 and metallic framework 2 is strong
Degree.
In the present embodiment, the use of the metallic framework 2 can be used stainless steel, cast iron or other metal materials and be made.
In a preferred embodiment, the metallic framework 2 is made of stainless steel, and has, is high intensity, excellent
The features such as good inoxidizability and corrosion resistance.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.To the upper of the disclosed embodiments
It states bright, enables those skilled in the art to implement or use the present invention.Various modifications to these embodiments are to ability
It will be apparent for the professional technician in domain, the general principles defined herein can not depart from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention be not intended to be limited to it is shown in this article these
Embodiment, and it is to fit to widest range consistent with the principles and novel features disclosed in this article.
Claims (7)
1. a kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump, it is characterised in that：It is located at including silicon carbide ceramics (1) and edge
The internal metallic framework (2) of silicon carbide ceramics (1), the metallic framework (2) include wheel hub (21) and metal blade (22), described
Metal blade (22) is fixed at the outside of wheel hub (21), and there are dresses between the metallic framework (2) and silicon carbide ceramics (1)
With gap, resin adhesive is filled in the fit-up gap.
2. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 1, it is characterised in that：The metal leaf
The arc-shaped setting in piece (22) at least one side.
3. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 1 or 2, it is characterised in that：The gold
Belong to extending transversely through on blade (22) and is provided with several the first hole for injecting glue (23).
4. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 3, it is characterised in that：The wheel hub
(21) several the second hole for injecting glue (24) are longitudinally provided through on.
5. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 4, it is characterised in that：Second note
Glue hole (24) along the circumferential direction array distribution centered on the axis of wheel hub (21).
6. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 3, it is characterised in that：The wheel hub
(21) it raises up at center and is provided with assembly bench (25), the assembly bench (25) is internally provided with internal thread.
7. the medium-sized silicon carbide ceramic impeller of heavy type slurry pump according to claim 3, it is characterised in that：The metal bone
Frame (2) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324494.7A CN108591115A (en) | 2018-04-12 | 2018-04-12 | A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810324494.7A CN108591115A (en) | 2018-04-12 | 2018-04-12 | A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591115A true CN108591115A (en) | 2018-09-28 |
Family
ID=63622147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810324494.7A Pending CN108591115A (en) | 2018-04-12 | 2018-04-12 | A kind of medium-sized silicon carbide ceramic impeller of heavy type slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591115A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236730A (en) * | 2018-10-22 | 2019-01-18 | 苏州奥耐特碳化硅陶瓷科技有限公司 | A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method |
| CN110230602A (en) * | 2019-07-16 | 2019-09-13 | 沈阳九和流体科技有限公司 | A kind of silicon carbide Pulp pump |
-
2018
- 2018-04-12 CN CN201810324494.7A patent/CN108591115A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236730A (en) * | 2018-10-22 | 2019-01-18 | 苏州奥耐特碳化硅陶瓷科技有限公司 | A kind of metal, nonmetallic composite impeller casting metallic framework and preparation method |
| CN110230602A (en) * | 2019-07-16 | 2019-09-13 | 沈阳九和流体科技有限公司 | A kind of silicon carbide Pulp pump |
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Legal Events
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180928 |