CN218177536U - High temperature resistant heat pump impeller - Google Patents
High temperature resistant heat pump impeller Download PDFInfo
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- CN218177536U CN218177536U CN202222231765.9U CN202222231765U CN218177536U CN 218177536 U CN218177536 U CN 218177536U CN 202222231765 U CN202222231765 U CN 202222231765U CN 218177536 U CN218177536 U CN 218177536U
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- high temperature
- heat pump
- rim plate
- pump impeller
- impeller
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Abstract
The utility model relates to a heat pump impeller technical field just discloses a high temperature resistance heat pump impeller, including the connecting axle, the outside fixed mounting of connecting axle has the rim plate, the upper end fixed mounting of rim plate has the blade, the cavity has been seted up to the inside of connecting axle, the inside fixed mounting of rim plate has the filling layer, the upper and lower both ends coating of rim plate has thermal barrier coating. This high temperature resistant heat pump impeller, the rim plate of middle connecting axle and bottom adopts ceramic alloy, can improve the heat resistance of impeller, the blade in the outside adopts heat-resisting titanium alloy, can reduce the damage that high temperature caused, the inside filling layer that sets up of connecting axle, specifically adopt the aerogel felt, can improve the heat-proof quality of impeller, the inside cavity of seting up of connecting axle, further improve thermal-insulated effect, the upper and lower both ends coating thermal barrier coating of rim plate, adopt phosphate lead powder coating, can make the impeller can normal performance under high temperature environment act on, improve the life of impeller under high temperature environment greatly.
Description
Technical Field
The utility model relates to a heat pump impeller technical field specifically is a high temperature resistance heat pump impeller.
Background
The heat pump is a high-efficiency energy-saving device which fully utilizes low-grade heat energy, heat can be spontaneously transferred from a high-temperature object to a low-temperature object but cannot be spontaneously transferred in the opposite direction, and the impeller plays a guiding role in the heat pump.
Most heat pump impeller at present, the structure is fixed, and the material is single, though the heat resistance is stronger than ordinary impeller, nevertheless uses under high temperature environment for a long time, still damages easily, and life can not obtain further promotion.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a high temperature resistant heat pump impeller to solve most heat pump impeller that proposes in the above-mentioned background art, the fixed structure, the material is single, though the heat resistance is stronger than ordinary impeller, nevertheless uses under high temperature environment for a long time, still is impaired easily, the problem that life can not obtain further promotion.
(II) technical scheme
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high temperature resistant heat pump impeller, includes the connecting axle, the outside fixed mounting of connecting axle has the rim plate, the upper end fixed mounting of rim plate has the blade, the cavity has been seted up to the inside of connecting axle, the inside fixed mounting of rim plate has the filling layer, the upper and lower both ends coating of rim plate has thermal barrier coating.
Preferably, the circle center of the connecting shaft and the circle center of the wheel disc are located on the same straight line, a plurality of blades are annularly arranged on the center line of the connecting shaft, and the connecting shaft is connected with a rotating shaft of the heat pump.
Preferably, the connecting shaft and the wheel disc are made of ceramic alloy, the diameter of the wheel disc is larger than that of the connecting shaft, the ceramic alloy is a novel composite material which has the high-temperature resistance and corrosion resistance of ceramic and the ductility and toughness of metal, and the heat resistance of the impeller can be improved.
Preferably, the blades are made of heat-resistant titanium alloy, the number of the cavities is four about the center line of the connecting shaft, the heat-resistant titanium alloy has high instantaneous and lasting strength, good creep resistance and good thermal stability in the working temperature range, damage to the blades caused by high temperature can be reduced, and the cavities have a heat insulation effect.
Preferably, the number of the filling layers is eight relative to the center line of the wheel disc in an annular mode, the filling layers are made of aerogel felts, the heat conduction coefficient of the filling layers is low, and the heat insulation performance of the impeller can be improved.
Preferably, the heat insulation coating specifically adopts phosphate lead powder coating, the thickness of the heat insulation coating is smaller than that of the filling layer, and the phosphate lead powder coating is inorganic high-temperature-resistant coating and has the characteristics of heat resistance, anti-disparagement and electric conduction, so that the impeller can normally play a role in a high-temperature environment.
Compared with the prior art, the beneficial effects of the utility model are that: this high temperature resistant heat pump impeller, the rim plate of middle connecting axle and bottom adopts ceramic alloy, can improve the heat resistance of impeller, the blade in the outside adopts heat-resisting titanium alloy, can reduce the damage that high temperature caused, the inside filling layer that sets up of connecting axle, specifically adopt the aerogel felt, can improve the heat-proof quality of impeller, the inside cavity of seting up of connecting axle, further improve thermal-insulated effect, the upper and lower both ends coating thermal barrier coating of rim plate, adopt phosphate lead powder coating, can make the impeller can normal performance under high temperature environment act on, improve the life of impeller under high temperature environment greatly.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a first schematic view of the internal structure of the present invention;
fig. 4 is a schematic diagram of the internal structure of the present invention.
Wherein: 1. a connecting shaft; 2. a wheel disc; 3. a blade; 4. a cavity; 5. a filling layer; 6. and (4) thermal barrier coating.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a high-temperature-resistant heat pump impeller comprises a connecting shaft 1, a wheel disc 2 is fixedly mounted on the outer side of the connecting shaft 1, blades 3 are fixedly mounted at the upper end of the wheel disc 2, the circle center of the connecting shaft 1 and the circle center of the wheel disc 2 are located on the same straight line, a plurality of the blades 3 are annularly arranged on the center line of the connecting shaft 1, the connecting shaft 1 and the wheel disc 2 are made of ceramic alloy, the diameter of the wheel disc 2 is larger than that of the connecting shaft 1, the blades 3 are made of heat-resistant titanium alloy, four cavities 4 are annularly arranged on the center line of the connecting shaft 1, the connecting shaft 1 is connected with a rotating shaft of a heat pump, the ceramic alloy is a novel composite material which has high-temperature resistance, corrosion resistance, metal ductility and toughness of ceramic, the heat resistance of the impeller can be improved, the heat-resistant titanium alloy has high instantaneous and permanent strength in the working temperature range, good creep resistance and good thermal stability, damage to the blades 3 caused by high temperature can be reduced, and the cavities 4 play a role in heat insulation;
the inner part of the connecting shaft 1 is provided with a cavity 4, the inner part of the wheel disc 2 is fixedly provided with eight filling layers 5, the filling layers 5 are annularly arranged around the center line of the wheel disc 2, the filling layers 5 are made of aerogel felts, and the filling layers 5 are low in heat conductivity coefficient and can improve the heat insulation performance of the impeller;
the upper end and the lower end of the wheel disc 2 are coated with heat insulation coatings 6, the heat insulation coatings 6 are phosphate lead powder coatings, the thickness of the heat insulation coatings 6 is smaller than that of the filling layer 5, the phosphate lead powder coatings are inorganic high-temperature-resistant coatings, and the phosphate lead powder coatings have the characteristics of heat resistance, disparagement resistance and electric conduction and can enable the impeller to normally function in a high-temperature environment.
The working principle is as follows: firstly, a connecting shaft 1 is connected with a rotating shaft of a heat pump, the connecting shaft 1 and a wheel disc 2 are made of ceramic alloy, the composite material is a novel composite material which has high temperature resistance and corrosion resistance of ceramic and ductility and toughness of metal, the heat resistance of an impeller can be improved, the blades 3 on the outer side are made of heat-resistant titanium alloy, the composite material has high instantaneous and lasting strength and good creep resistance and good thermal stability within a working temperature range, the damage to the blades 3 caused by high temperature can be reduced, a cavity 4 inside the connecting shaft 1 plays a heat insulation role, a filling layer 5 is arranged inside the wheel disc 2, aerogel felt is adopted, the heat conductivity coefficient is low, the heat insulation performance of the impeller can be improved, heat insulation coatings 6 are coated on the upper end and the lower end of the wheel disc 2, the heat insulation coatings 6 are made of phosphate lead powder coating, the composite material is an inorganic high temperature resistant coating, has the characteristics of heat resistance, distortion resistance and electric conduction, and can enable the impeller to normally play a role in a high temperature environment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high temperature resistant heat pump impeller, includes connecting axle (1), its characterized in that: the outer side fixed mounting of connecting axle (1) has rim plate (2), the upper end fixed mounting of rim plate (2) has blade (3), cavity (4) have been seted up to the inside of connecting axle (1), the inside fixed mounting of rim plate (2) has filling layer (5), the upper and lower both ends coating of rim plate (2) has thermal barrier coating (6).
2. The high temperature resistant heat pump impeller of claim 1, wherein: the circle center of the connecting shaft (1) and the circle center of the wheel disc (2) are located on the same straight line, and a plurality of blades (3) are arranged in an annular mode relative to the center line of the connecting shaft (1).
3. The high temperature resistant heat pump impeller of claim 1, wherein: the connecting shaft (1) and the wheel disc (2) are made of ceramic alloy, and the diameter of the wheel disc (2) is larger than that of the connecting shaft (1).
4. The high temperature resistant heat pump impeller according to claim 1, characterized in that: the blades (3) are made of heat-resistant titanium alloy, and the number of the cavities (4) is four and is in an annular shape relative to the center line of the connecting shaft (1).
5. The high temperature resistant heat pump impeller according to claim 1, characterized in that: eight filling layers (5) are annularly arranged about the center line of the wheel disc (2), and the filling layers (5) specifically adopt aerogel felts.
6. The high temperature resistant heat pump impeller of claim 1, wherein: the heat insulation coating (6) is phosphate lead powder coating, and the thickness of the heat insulation coating (6) is smaller than that of the filling layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222231765.9U CN218177536U (en) | 2022-08-24 | 2022-08-24 | High temperature resistant heat pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222231765.9U CN218177536U (en) | 2022-08-24 | 2022-08-24 | High temperature resistant heat pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218177536U true CN218177536U (en) | 2022-12-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222231765.9U Active CN218177536U (en) | 2022-08-24 | 2022-08-24 | High temperature resistant heat pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218177536U (en) |
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2022
- 2022-08-24 CN CN202222231765.9U patent/CN218177536U/en active Active
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