CN210569197U - Air heater and impeller thereof - Google Patents
Air heater and impeller thereof Download PDFInfo
- Publication number
- CN210569197U CN210569197U CN201921584695.7U CN201921584695U CN210569197U CN 210569197 U CN210569197 U CN 210569197U CN 201921584695 U CN201921584695 U CN 201921584695U CN 210569197 U CN210569197 U CN 210569197U
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- Prior art keywords
- blade
- impeller
- plate
- air
- fan
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 abstract description 16
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to an air heater and impeller thereof, the air heater includes the fan support, be provided with the fan motor on the fan support, the transmission is connected with the impeller on the output shaft of fan motor, the impeller is centrifugal impeller, the impeller outside is provided with the impeller casing that has the fan air outlet, the impeller includes a plurality of blades that distribute along circumference, the blade includes the blade outer panel, the blade medial plate, blade windward curb plate and blade leeward curb plate, the blade outer panel, the blade medial plate, it has high temperature resistant fibrous inner chamber to form to fill between blade windward curb plate and the blade leeward curb plate, be provided with the blade air outlet on the blade outer panel, be provided with the blade air intake on the blade medial plate, be provided with on the impeller casing and correspond the communicating fan air intake of blade air intake. The utility model provides an among the prior art through the combustion heating and cause environmental pollution's technical problem easily.
Description
Technical Field
The utility model relates to an air heater in heat source equipment and impeller thereof.
Background
In traditional poultry, breed process, when needing to guarantee animal and plant's ambient temperature, the usual mode is exactly to set up the big-arch shelter, then sets up the air heater in the big-arch shelter, blows hot-blast ambient temperature in to the big-arch shelter through the air heater.
Traditional air heater includes heating part and blast air part, and the heating part is for heating the air, and the blast air part provides pressure for the air after the heating to blow the hot-blast to the assigned position, the first problem that current air heater exists is exactly that heating part and blast air part are separately independent, and the volume of whole equipment is great, and secondly, the heating part has through coal, gas combustion heating, not only causes environmental pollution easily, also can cause the waste of non-renewable resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air heater to solve the technical problem that environmental pollution is easily caused by combustion heating in the prior art; an object of the utility model is also to provide an impeller that uses in this air heater.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
the utility model provides an air heater, including the fan support, be provided with the fan motor on the fan support, the transmission is connected with the impeller on the output shaft of fan motor, the impeller is centrifugal impeller, the impeller outside is provided with the impeller casing that has the fan air outlet, the impeller includes a plurality of blades along circumference distribution, the blade includes the blade outer panel, the blade interior plate, blade windward side board and blade leeward side board, the blade outer panel, the blade interior plate, it has high temperature resistant fibrous inner chamber to form to fill between blade windward side board and the blade leeward side board, be provided with the blade air outlet on the blade outer panel, be provided with the blade air intake on the blade interior plate, be provided with on the impeller casing with the communicating fan air intake of corresponding blade air intake.
The inner cavity of the blade is divided into at least two cavities distributed along the radial direction of the impeller by a blade clapboard, the high-temperature resistant fiber is respectively filled in the corresponding cavities, and the blade clapboard is provided with a clapboard air hole communicated with the two adjacent cavities.
The width of the inner cavity of the blade is gradually widened from inside to outside.
The center of the impeller is provided with a motor connecting structure for realizing transmission connection with a fan motor, the blade inner side plates of the blades are connected end to form an integral annular plate, an annular cavity is formed between the annular plate and the motor connecting structure, and high-temperature-resistant fibers are filled in the annular cavity.
The impeller also comprises an impeller bottom plate and an impeller cover plate which are arranged at intervals along the axial direction, the diameter of the impeller bottom plate is larger than that of the impeller cover plate, each blade is welded and fixed on the impeller bottom plate, the impeller cover plate is welded and fixed on the annular plate, and the impeller cover plate is provided with a cover plate air hole communicated with an air inlet of the fan.
The utility model discloses the technical scheme of well blade does:
the impeller of air heater, the impeller is centrifugal impeller, the impeller includes a plurality of blades that distribute along circumference, the blade includes the blade outer panel, the blade medial surface, blade windward curb plate and blade leeward curb plate, form the inner chamber that is used for filling high temperature resistant fibre between blade outer panel, blade medial surface, blade windward curb plate and the blade leeward curb plate, be provided with the blade air outlet on the blade outer panel, be provided with the blade air intake on the blade medial surface, be provided with on the impeller casing with the communicating fan air intake of corresponding blade air intake.
The inner cavity of the blade is divided into at least two cavities distributed along the radial direction of the impeller by a blade clapboard, the high-temperature resistant fiber is respectively filled in the corresponding cavities, and the blade clapboard is provided with a clapboard air hole communicated with the two adjacent cavities.
The width of the inner cavity of the blade is gradually widened from inside to outside.
The center of the impeller is provided with a motor connecting structure for realizing transmission connection with a fan motor, the blade inner side plates of the blades are connected end to form an integral annular plate, and an annular cavity for filling high-temperature resistant fibers is formed between the annular plate and the motor connecting structure.
The impeller also comprises an impeller bottom plate and an impeller cover plate which are arranged at intervals along the axial direction, the diameter of the impeller bottom plate is larger than that of the impeller cover plate, each blade is welded and fixed on the impeller bottom plate, the impeller cover plate is welded and fixed on the annular plate, and the impeller cover plate is provided with a cover plate air hole communicated with an air inlet of the fan.
The utility model has the advantages that: the utility model discloses well hot-blast machine's basic working method does, the motor drives the wind wheel and rotates, centrifugal wind wheel's blade makes gas can flow with higher speed with gas, the gas in the air heater outside gets into the fan through the fan air intake, blade air intake on the blade medial plate gets into the inner chamber of blade, discharge through the blade air outlet on the blade lateral plate, gas is at the in-process through the inner chamber, produce the friction with the high temperature resistant fibre in the inner chamber, produce the heat, thereby realize gaseous heating, just be the gas through the heating through fan air outlet combustion gas like this. The gas heating does not need to burn coal and gas substances, no environmental pollution is caused, in addition, the gas generates heat through friction with fibers in the blades, the blades can heat the gas and provide flowing pressure for the gas, and the heating part and the air blowing part are equivalently integrated, so that the structure of the product is more compact.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a perspective view of FIG. 1;
FIG. 5 is a schematic structural view of the impeller of FIG. 1;
FIG. 6 is a side view of FIG. 5;
3 FIG. 3 7 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 6 3; 3
Fig. 8 is a perspective view of fig. 5.
Detailed Description
An embodiment of a hot air blower is shown in fig. 1 to 8: including fan support 1, install fan motor 2 on the fan support 1, fan motor 2 in this embodiment is electric motor, and fan motor has the axis and follows the output shaft that left right direction extended, and the transmission is connected with impeller 7 on the output shaft. The impeller is centrifugal impeller, and the impeller includes impeller bottom plate 10 and impeller apron 9, and the motor connection structure who is used for realizing being connected with fan motor transmission about the middle part of impeller bottom plate 10 is established, and in this embodiment, motor connection structure is a driving shaft cover 16, and impeller bottom plate and impeller apron welded fastening are in the both ends of driving shaft cover, and the driving shaft cover has the hole 17 that supplies output shaft male, realizes the torque transmission through the drive key between driving shaft cover 16 and the output shaft. The impeller outside is provided with and is fixed in impeller casing 6 on the fan support 1, is equipped with the fan air outlet 3 of arranging along the impeller tangential on impeller casing 6, is provided with the insulating layer on the inner wall of impeller casing 6.
The impeller comprises a plurality of blades 8 distributed along the circumferential direction, each blade 8 comprises a blade outer side plate 12, a blade inner side plate 25, a blade cover plate 11, a blade windward side plate 13 and a blade leeward side plate 14, in the embodiment, the blade inner side plates of each blade are connected end to form an integral annular plate 33, the blade outer side plates, the blade inner side plates, the blade windward side plates and the blade leeward side plates are welded and fixed on a bottom plate of the impeller, the blade cover plates are welded and fixed on the blade outer side plates, the blade inner side plates, the blade windward side plates and the blade leeward side plates are all arc-shaped structures, the blade outer side plates, the blade inner side plates, the blade cover plates, the blade windward side plates and the blade leeward side plates enclose an inner cavity 21 with gradually increased width from inside to outside, high-temperature resistant fibers are filled in the inner cavity, the high temperature resistant fiber in this embodiment is glass fiber, and such inner chamber shape matches with the shape that the fluid was thrown away, more is favorable to air and glass fiber's abundant contact. Two blade partition plates 19 are arranged in each inner cavity, the inner cavity is divided into three chambers distributed along the radial direction of the impeller by the two blade partition plates 19, the corresponding chambers are filled with high-temperature resistant fibers respectively, and the two blade partition plates 19 form a splayed shape with gradually increased width from the windward side plate of the blade to the leeward side plate of the blade. Be provided with blade air outlet 18 on blade outer panel 12, be provided with the blade air intake on the blade inboard plate, be provided with the baffle bleeder vent 20 of two adjacent cavities of UNICOM on the blade baffle, the use of blade baffle, can play fixed high temperature resistant fibrous effect on the one hand, make high temperature resistant fibrous position more stable, in the high-speed rotatory in-process of impeller, the outside fibre is difficult to appear and piles up, and the sparse problem of inboard fibre, in addition, the blade baffle can also play the effect that blocks the air current velocity of flow, increase air current and high temperature resistant fibrous contact friction time, improve the heating effect to the air current.
Form the annular chamber between annular plate 22 and the motor connection structure, also filled up with high temperature resistant fibre in the annular chamber, be provided with radial annular chamber baffle 24 in the annular chamber, annular chamber baffle separates into a plurality of fan-shaped cavities 23 with the annular chamber, also fills up high temperature resistant fibre in each fan-shaped cavity, and in this embodiment, the inner chamber of two blades of every fan-shaped cavity intercommunication. The impeller cover plate 9 is welded and fixed on the blade cover plate 11 of each blade, a plurality of cover plate air holes 15 are arranged on the impeller cover plate at intervals along the circumferential direction of the impeller cover plate, a fan air inlet 4 is arranged in the middle of the impeller shell, a filter screen 5 is arranged at the end part of the fan air inlet 4, and the fan air inlet 4 is communicated with the cover plate air holes 15 all the time in the rotation process of the impeller, so that the air supply quantity to the inner cavity of each blade is ensured.
During the use, the air gets into the air heater through the fan air intake, then gets into the fan-shaped cavity that corresponds through the apron bleeder vent, carries out the first friction themogenesis with the high temperature resistant fibre in the fan-shaped cavity, then gets into the inner chamber of blade through the blade air intake on the blade inboard board, under centrifugal force and pressure difference effect, outwards flows along the inner chamber of blade, continues the friction themogenesis with the high temperature resistant fibre in each cavity of blade inner chamber, finally flows through the blade air outlet on the blade outboard board, the air at this moment has been heated, then discharges through the fan air outlet. The air heater only needs to consume electric energy and does not relate to the combustion of coal, so that the air heater is more environment-friendly, in addition, the air is heated by utilizing the friction between the air and the glass fiber, the rotation of the impeller provides air flow power, the heating of the air is generated inside the blade, namely, the heating part and the air blast part are integrated together, and the whole air heater is more compact. In other embodiments of the present invention, the glass fiber can be replaced by other high temperature resistant fibers such as asbestos fiber and ceramic fiber; when the motor connecting structure can also be a solid shaft, the solid shaft can be connected with the output shaft of the motor through a coupling.
Examples of impellers are shown in FIGS. 5-8: the specific structure of the impeller is the same as that of the impeller described in the above embodiments of the air heater, and will not be described in detail here.
Claims (8)
1. The air heater is characterized in that: including the fan support, be provided with the fan motor on the fan support, the transmission is connected with the impeller on the output shaft of fan motor, the impeller is centrifugal impeller, the impeller outside is provided with the impeller casing that has the fan air outlet, the impeller includes a plurality of blades along circumference distribution, the blade includes the blade outer panel, the blade interior plate, blade windward side board and blade leeward side board, the blade outer panel, the blade interior plate, it has high temperature resistant fibrous inner chamber to form to fill between blade windward side board and the blade leeward side board, be provided with the blade air outlet on the blade outer panel, be provided with the blade air intake on the blade interior plate, be provided with on the impeller casing with corresponding the communicating fan air intake of blade air intake.
2. The air heater according to claim 1, wherein: the inner cavity of the blade is divided into at least two cavities distributed along the radial direction of the impeller by a blade clapboard, the high-temperature resistant fiber is respectively filled in the corresponding cavities, and the blade clapboard is provided with a clapboard air hole communicated with the two adjacent cavities.
3. The hot air blower according to claim 1 or 2, characterized in that: the center of the impeller is provided with a motor connecting structure for realizing transmission connection with a fan motor, the blade inner side plates of the blades are connected end to form an integral annular plate, an annular cavity is formed between the annular plate and the motor connecting structure, and high-temperature-resistant fibers are filled in the annular cavity.
4. The air heater according to claim 3, wherein: the impeller also comprises an impeller bottom plate and an impeller cover plate which are arranged at intervals along the axial direction, the diameter of the impeller bottom plate is larger than that of the impeller cover plate, each blade is welded and fixed on the impeller bottom plate, the impeller cover plate is welded and fixed on the annular plate, and the impeller cover plate is provided with a cover plate air hole communicated with an air inlet of the fan.
5. The impeller of the air heater is characterized in that: the impeller is centrifugal impeller, and the impeller includes a plurality of blades that distribute along circumference, and the blade includes blade outer panel, blade interior plate, blade windward curb plate and blade leeward curb plate, forms the inner chamber that is used for filling high temperature resistant fibre between blade outer panel, blade interior plate, blade windward curb plate and the blade leeward curb plate, is provided with the blade air outlet on the blade outer panel, is provided with the blade air intake on the blade interior plate, be provided with on the impeller casing with correspond the communicating fan air intake of blade air intake.
6. The impeller of claim 5, wherein: the inner cavity of the blade is divided into at least two cavities distributed along the radial direction of the impeller by a blade clapboard, the high-temperature resistant fiber is respectively filled in the corresponding cavities, and the blade clapboard is provided with a clapboard air hole communicated with the two adjacent cavities.
7. The impeller according to claim 5 or 6, characterized in that: the center of the impeller is provided with a motor connecting structure for realizing transmission connection with a fan motor, the blade inner side plates of the blades are connected end to form an integral annular plate, and an annular cavity for filling high-temperature resistant fibers is formed between the annular plate and the motor connecting structure.
8. The impeller of claim 7, wherein: the impeller also comprises an impeller bottom plate and an impeller cover plate which are arranged at intervals along the axial direction, the diameter of the impeller bottom plate is larger than that of the impeller cover plate, each blade is welded and fixed on the impeller bottom plate, the impeller cover plate is welded and fixed on the annular plate, and the impeller cover plate is provided with a cover plate air hole communicated with an air inlet of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584695.7U CN210569197U (en) | 2019-09-23 | 2019-09-23 | Air heater and impeller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921584695.7U CN210569197U (en) | 2019-09-23 | 2019-09-23 | Air heater and impeller thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210569197U true CN210569197U (en) | 2020-05-19 |
Family
ID=70634958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921584695.7U Expired - Fee Related CN210569197U (en) | 2019-09-23 | 2019-09-23 | Air heater and impeller thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210569197U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594173A (en) * | 2019-09-23 | 2019-12-20 | 郑州市锦华机械制造有限公司 | Air heater |
| CN113099638A (en) * | 2021-05-15 | 2021-07-09 | 牛世强 | Electrical cabinet for controlling electrical equipment |
-
2019
- 2019-09-23 CN CN201921584695.7U patent/CN210569197U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594173A (en) * | 2019-09-23 | 2019-12-20 | 郑州市锦华机械制造有限公司 | Air heater |
| CN113099638A (en) * | 2021-05-15 | 2021-07-09 | 牛世强 | Electrical cabinet for controlling electrical equipment |
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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 |
Granted publication date: 20200519 |