CN210565194U

CN210565194U - Mixed-flow drier dehumidifying fan

Info

Publication number: CN210565194U
Application number: CN201921667194.5U
Authority: CN
Inventors: 吴文彬
Original assignee: Zhejiang Sihe Fan Co Ltd
Current assignee: Zhejiang Sihe Fan Co Ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-05-19
Anticipated expiration: 2029-10-08

Abstract

The utility model provides a mixed flow drier hydrofuge fan belongs to hydrofuge fan technical field. It has solved the problem that current moisture exhausting fan flow is little work efficiency low. The mixed flow type dryer dehumidifying fan comprises a machine barrel main body, a motor with an output shaft and an impeller main body, wherein an air inlet pipe orifice detachably connected with the machine barrel main body is arranged at the front end of the machine barrel main body, the impeller main body comprises an impeller disc and a plurality of guide blades which are arranged on the disc surface of the impeller disc and are distributed at intervals along the circumferential direction of the impeller disc, the impeller disc comprises an inner ring and an outer ring fixedly connected with the inner ring, the disc surface of the outer ring is a ring surface which is radially outward and downward inclined, every two guide blades form a circulation unit, the circulation unit comprises a first blade and a second blade, an air flow channel for air flow to pass through is reserved between the first blade and the second blade, and the disc surface at the bottom of the air flow channel forms a guide surface which is inclined downward. The utility model has the advantages of improve flow and improve work efficiency.

Description

Mixed-flow drier dehumidifying fan

Technical Field

The utility model belongs to the technical field of the fan that dehumidifies, a mixed flow drier fan that dehumidifies is related to.

Background

At present, in the manufacturing process of some materials, the materials must be dried in order to reduce the moisture of the materials and ensure the safety and good effect of material storage. Many materials can not be directly baked by naked fire, and have strict requirements on the temperature of a baking room, and the baked materials need to be isolated from a heat source, and the like. At present, two common material drying methods are adopted, namely natural drying by sunlight irradiation or drying by using a moisture exhaust fan. The drying method by sunlight requires a field, is inconvenient to operate and greatly influenced by weather factors, and the temperature is not controlled. Therefore, the material is better to be dried by using the moisture exhaust fan, the flow of the existing moisture exhaust fan is smaller, and the working efficiency is lower.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a mixed flow drier hydrofuge fan that flow is big, work efficiency is high.

The purpose of the utility model can be realized by the following technical proposal: a mixed flow type drier dehumidifying fan, which comprises a machine barrel main body, a motor with an output shaft and an impeller main body driven by the output shaft in the motor to operate, it is characterized in that the front end part of the machine barrel main body is provided with an air inlet pipe orifice which is detachably connected with the machine barrel main body, the impeller main body consists of an impeller disc and a plurality of guide vanes which are arranged on the disc surface of the impeller disc and are distributed at intervals along the circumferential direction of the impeller disc, the impeller disc consists of an inner ring and an outer ring fixedly connected with the inner ring, the disc surface of the outer ring is a ring surface which is radially outward and downward inclined, each two of a plurality of guide vanes form a circulation unit, each circulation unit consists of a vane I and a vane II, and an airflow channel for airflow to pass through is reserved between the first blade and the second blade, and a disc surface at the bottom of the airflow channel forms a flow guide surface which is inclined downwards from inside to outside.

In the above mixed flow type dryer dehumidifying fan, the air inlet pipe opening is detachably connected with the cylinder main body through a plurality of studs.

In the above-mentioned mixed flow dryer exhaust wet fan, the air inlet mouth front end portion be provided with the air intake, the air inlet mouth be the toper tube-shape that reduces to the air intake, the fresh air inlet be the discoid of outside bending.

In the above mixed flow type dryer dehumidifying fan, the inner ring and the outer ring are integrally arranged.

In the mixed flow type dryer dehumidifying fan, the guide vanes are distributed on the outer ring at intervals along the circumferential direction of the outer ring.

In the mixed flow type dryer dehumidifying fan, a cutting notch part is arranged on the peripheral wall of the outer ring between the first blade and the second blade.

In the aforementioned mixed-flow dryer dehumidifying fan, the cutting notch portion is composed of a first cutting face and a second cutting face, the second cutting face extends downward from the outer wall surface of the second blade, and the first cutting face extends inward from the trailing edge surface of the first blade to the outer wall surface of the second blade.

In the mixed flow type dryer dehumidifying fan, the guide vanes are arranged in an arc shape.

Compared with the prior art, the impeller main body in the mixed flow type drier dehumidifying fan consists of an impeller disc and a plurality of guide blades which are arranged on the disc surface of the impeller disc and are distributed at intervals along the circumferential direction of the impeller disc, the impeller disc consists of an inner ring and an outer ring which is fixedly connected with the inner ring, the disc surface of the outer ring is a ring surface which is radially outward and downward inclined, each two guide blades form a circulation unit, the circulation unit consists of a blade I and a blade II, an air flow channel for air flow to pass is reserved between the blade I and the blade II, the disc surface at the bottom of the air flow channel forms a flow guide surface which is inclined downward from inside to outside, due to the arrangement of the structure, the inclined flow guide surface is additionally arranged on the disc surface of the outer ring, so that the air flow channel is gradually enlarged towards the air channel of the motor, the pressure expansion capability of an air flow outflow outlet section of the impeller main body is increased, and further improved the life of impeller main part simultaneously.

Drawings

Fig. 1 is a partial sectional structural schematic view of the whole body in a dehumidifying fan of the mixed flow type dryer.

Fig. 2 is a schematic perspective view of an impeller body in a dehumidifying fan of the mixed-flow dryer.

In the figure, 1, a cylinder body; 2. a motor; 3. an impeller body; 4. an air inlet pipe orifice; 5. an impeller disc; 6. a guide vane; 7. an inner ring; 8. an outer ring; 9. a flow-through cell; 10. a first blade; 11. a second blade; 12. an air flow channel; 13. a flow guide surface; 14. an air inlet; 15. cutting the notch part; 16. cutting surface one; 17. cutting a second surface; 18. an outer wall surface; 19. a trailing edge surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the mixed flow type dryer dehumidifying fan comprises a cylinder main body 1, a motor 2 with an output shaft, and an impeller main body 3 driven by the output shaft of the motor 2 to operate, wherein an air inlet pipe opening 4 detachably connected with the cylinder main body 1 is arranged at the front end of the cylinder main body 1, the impeller main body 3 comprises an impeller disc 5 and a plurality of guide blades 6 which are arranged on the disc surface of the impeller disc 5 and are distributed at intervals along the circumferential direction of the impeller disc, the impeller disc 5 comprises an inner ring 7 and an outer ring 8 fixedly connected with the inner ring 7, the disc surface of the outer ring 8 in the impeller disc 5 is a ring surface which is radially outward and downward inclined, each two guide blades 6 form a circulation unit 9, and each circulation unit 9 comprises a first blade 10 and a second blade 11, and an airflow channel 12 for airflow to pass through is reserved between the first blade 10 and the corresponding second blade 11, and a flow guide surface 13 which is inclined downwards from inside to outside is formed on the disk surface at the bottom of the airflow channel 12.

As a preferred structure, a plurality of guide vanes 6 are distributed on the outer ring 8 at intervals along the circumferential direction of the outer ring 8.

In further detail, in order to facilitate the disassembly and assembly of the air inlet pipe opening 4, the air inlet pipe opening 4 is detachably connected with the machine barrel main body 1 through a plurality of studs.

To be more specific, in order to increase the pressure of the air inlet 14, the front end of the air inlet pipe opening 4 is provided with the air inlet 14, the air inlet pipe opening 4 is in a conical cylinder shape which is reduced towards the air inlet 14, and the air inlet hole is in a disc shape which is bent outwards.

To be more specific, the inner ring 7 and the outer ring 8 are integrally provided in order to stabilize the structure of the impeller main body 3.

In more detail, in order to increase the diffusion performance of the impeller main body 3, a cutting notch portion 15 is formed in the outer peripheral wall of the outer ring 8 of the impeller disc 5, which is located between the first blade 10 and the second blade 11, each cutting notch portion 15 is composed of a first cutting face 16 and a second cutting face 17, the second cutting face 17 extends downward from an outer wall face 18 of the second blade 11, and the first cutting face 16 extends inward from a trailing edge face 19 of the first blade 10 to the outer wall face 18 of the second blade 11.

In more detail, in order to increase the flow velocity of the air flow discharged from the fan, the guide vanes 6 are arranged in an arc shape.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A mixed flow type drier dehumidifying fan comprises a machine barrel main body (1), a motor (2) with an output shaft and an impeller main body (3) driven to operate by the output shaft in the motor (2), and is characterized in that an air inlet pipe opening (4) detachably connected with the front end portion of the machine barrel main body (1) is arranged at the front end portion of the machine barrel main body, the impeller main body (3) consists of an impeller disc (5) and a plurality of guide blades (6) which are arranged on the disc surface of the impeller disc (5) and are distributed at intervals along the circumferential direction of the impeller disc, the impeller disc (5) consists of an inner ring (7) and an outer ring (8) fixedly connected with the inner ring (7), the disc surface of the outer ring (8) is a ring surface which is radially outward and downwards inclined, a circulation unit (9) is formed by every two guide blades (6), and each circulation unit (9) consists of a first blade (10) and a second blade (11), and an airflow channel (12) for airflow to pass through is reserved between the first blade (10) and the second blade (11), and a disc surface at the bottom of the airflow channel (12) forms a flow guide surface (13) which is inclined downwards from inside to outside.

2. The mixed flow dryer dehumidifying fan of claim 1, wherein the air inlet pipe opening (4) is detachably connected with the cylinder main body (1) through a plurality of studs.

3. The mixed-flow dryer dehumidifying fan as claimed in claim 1, wherein the front end of the air inlet pipe (4) is provided with an air inlet (14), the air inlet pipe (4) is in a cone shape which is reduced toward the air inlet (14), and the air inlet hole is in a disk shape which is bent outward.

4. A mixed flow type dryer dehumidifying fan as claimed in claim 1, wherein the inner ring (7) and the outer ring (8) are integrally formed.

5. A mixed flow dryer dehumidifying fan as claimed in claim 1, wherein said plurality of guide vanes (6) are spaced apart from each other on said outer ring (8) in a circumferential direction of said outer ring (8).

6. A mixed-flow type dryer dehumidifying fan as claimed in claim 1, wherein the outer peripheral wall of the outer ring (8) between the first blade (10) and the second blade (11) is provided with a cut-away portion (15).

7. A mixed-flow dryer dehumidifying fan as claimed in claim 6, wherein said cut-away portion (15) is composed of a first cut-off surface (16) and a second cut-off surface (17), said second cut-off surface (17) extending downward from the outer wall surface (18) of said second vane (11), said first cut-off surface (16) extending inward from the trailing edge surface (19) of said first vane (10) to the outer wall surface (18) of said second vane (11).

8. A mixed flow dryer dehumidifying fan as claimed in claim 1, wherein the guide vane (6) is curved.