CN212130882U - Fan suction inlet capable of preventing airflow from being disordered - Google Patents

Abstract

The utility model provides a prevent turbulent fan sunction inlet of air current. The fan suction inlet (100) comprises a conveying pipeline formed by a plurality of side walls (101) in a surrounding mode and a plurality of baffles (110) fixed to the side walls (101), the baffles (110) are arc-shaped and extend towards the inside from the outside of the conveying pipeline, the baffles (110) are connected with one another and correspond to the side walls (101) one by one, the end portion (102) of each side wall (101), opposite to the corresponding baffle (110), is formed into an arc, and the arc-shaped end portion (102) and the corresponding baffle (110) form an arc-shaped air inlet channel. The suction inlet of the fan can prevent a turbulent flow area from being formed in the conveying pipeline, so that the power consumption of the fan is reduced, and the working efficiency of the fan is improved.

Description

Fan suction inlet capable of preventing airflow from being disordered

Technical Field

The utility model relates to a thermal power fan technical field particularly, relates to a prevent turbulent fan sunction inlet of air current.

Background

In the related technology, the suction inlets of the traditional thermal power generation blower, the primary fan and the axial flow fan are vertical and upward straight walls, although the suction inlets are simple to manufacture, the suction mode is peripheral suction, so that a turbulent flow area appears in the middle area of the suction inlets, the air through-flow resistance is increased, and the power consumed by the fan is increased, so that the working efficiency of the fan is reduced and the energy is unnecessarily consumed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent air current disordered's fan sunction inlet to solve foretell technical problem.

The embodiment of the utility model is realized like this: the utility model provides a prevent turbulent fan sunction inlet of air current, its characterized in that, fan sunction inlet includes and encloses synthetic pipeline and relative by a plurality of lateral walls the fixed polylith baffle of lateral wall, the baffle be the arc and by pipeline's outside is inside to extending, polylith baffle interconnect and with the lateral wall one-to-one, every the tip relative with corresponding baffle of lateral wall constructs into the arc, and this curved tip forms curved air inlet channel with corresponding baffle.

Optionally, the fan suction inlet further includes a plurality of flow stabilizing plates, the flow stabilizing plates are fixed to the inner surface of the side wall in a one-to-one correspondence manner, two adjacent flow stabilizing plates and the corresponding side wall form a flow stabilizing channel, the baffle is supported by the flow stabilizing plates, and a projection of the baffle on a horizontal plane is perpendicular to the flow stabilizing plates.

Optionally, the fan suction inlet further comprises a plurality of support plates, the support plates are respectively connected with the flow stabilizing plate and the baffle plate, and the support plates extend along the length direction of the conveying pipeline.

Optionally, one end of the supporting plate connected with the baffle plate is provided with an arc-shaped surface matched with the baffle plate.

Optionally, the number of the baffle, the flow stabilizer and the support plate respectively includes at least three.

Optionally, the plurality of support plates are positioned in the center of the plurality of flow stabilizers.

Optionally, the support plate is elongated.

Optionally, the vertical distance from the edge where the highest point of each baffle is located to the center of the baffles is X, and the vertical distance from the highest point of each baffle to the lowest point of each baffle is Y, then

Optionally, the flow stabilizer is welded and fixed on the inner surface of the side wall.

The embodiment of the utility model provides a beneficial effect is: because the end part of the side wall is arc-shaped, the baffle plates gradually shrink in arc shape from the outside to the inside of the conveying pipeline, so that the area above the suction inlet of the fan can be shielded by the baffle plates, air only enters from the air inlet channel between the end part of the side wall and the baffle plates, and compared with the prior art that only the vertical upward side wall is adopted, the turbulent flow area in the conveying pipeline can be eliminated, the air resistance of the suction inlet of the fan is favorably reduced, the consumed power and the energy consumption of the fan are reduced, and meanwhile, the working efficiency of the fan can be improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a suction inlet of a blower provided in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic structural view of a baffle plate, a support plate and a flow stabilizer plate;

FIG. 4 is a schematic view of the curvature of the baffle;

fig. 5 is a flow field distribution diagram of the blower suction inlet provided by the embodiment of the present invention.

Icon: 100-a fan suction inlet; 101-a side wall; 102-an end portion; 110-a baffle; 120-a support plate; 130-a flow stabilizer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, embodiments of the present invention provide a blower inlet 100 for preventing airflow turbulence, the blower inlet 100 includes a duct surrounded by a plurality of sidewalls 101, and a plurality of baffles 110 secured to the sidewalls 101, the duct being constructed to be open at both ends, that is, both ends of the duct are communicated with each other, the extending direction of the duct is the same as the extending direction of the side walls 101, one end of the duct is used for being mounted on a conventional blower, a primary air blower or an axial flow type fan for thermal power generation, the baffles 110 are arc-shaped and extend from the outside to the inside of the duct, the plurality of baffles 110 are connected with each other and correspond to the side walls 101 one by one, the end portion 102 of each side wall 101 opposite to the corresponding baffle 110 is arc-shaped, and the arc-shaped end part 102 and the corresponding baffle 110 form an arc-shaped air inlet channel, and a plurality of air inlet channels are uniformly distributed along the circumferential direction of the conveying pipeline.

In a specific manufacturing process, the end 102 of the sidewall 101 opposite to the baffle 110 is configured to be arc-shaped, and may be formed by integral machining, for example, by bending.

Based on this, in this embodiment, since the end portion 102 of the side wall 101 is configured to be arc-shaped, the baffle 110 gradually shrinks in arc shape from the outside to the inside of the conveying pipeline, so that the area above the fan suction inlet 100 can be shielded by the plurality of baffles 110, so that air enters only from the air inlet channel between the end portion 102 of the side wall 101 and the baffle 110, compared with the related art that only the vertically upward side wall 101 is adopted, the turbulent flow area in the conveying pipeline can be eliminated, which is beneficial to reducing the air resistance of the fan suction inlet 100, reducing the consumed power and energy consumption of the fan, and simultaneously improving the working efficiency of the fan.

Further, referring to fig. 1 and 2, in order to enable air to flow more regularly in the conveying pipeline to reduce the load on the fan, the fan suction inlet 100 further includes a plurality of flow stabilizing plates 130, the flow stabilizing plates 130 are fixed on the inner surface of the side wall 101 in a one-to-one correspondence manner, two adjacent flow stabilizing plates 130 form flow stabilizing channels with the corresponding side wall 101, the baffle 110 is supported by the flow stabilizing plates 130, and the projection of the baffle 110 on the horizontal plane is perpendicular to the flow stabilizing plates 130, because the flow stabilizing plates 130 are perpendicular to the side wall 101, the two adjacent flow stabilizing plates 130 and the two side walls 101 together form the flow stabilizing channels, so that the conveying pipeline can be divided into a plurality of flow stabilizing channels, which is beneficial to stabilizing irregular air flow, thereby enabling the air flow in the conveying pipeline to be more stable and preventing the occurrence of.

In this embodiment, the stabilizer 130 and the sidewall 101 may be fixed by welding, so that the stabilizer 130 is stably connected to the sidewall 101, and in other embodiments, the stabilizer may be connected by other methods such as screwing.

Further, referring to fig. 2 and 3, the blower inlet 100 further includes a plurality of support plates 120, the support plates 120 are respectively connected to the flow stabilizing plate 130 and the baffle plate 110, and the support plates 120 extend along the length of the delivery conduit, and since the baffle plate 110 is generally located inside and outside the end portion 102 of the delivery conduit and the flow stabilizing plate 130 is located inside the delivery conduit, the connection of the support plates 120 helps to space the flow stabilizing plate 130 from the baffle plate 110, so that the flow stabilizing plate 130 is located approximately in the middle of the delivery conduit, thereby making the air flow in the middle area of the delivery conduit more regular.

In this embodiment, referring to fig. 3, the support plate 120 is shaped like a long strip, so that the occupied space of the support plate 120 in the conveying pipeline can be reduced, and the airflow can flow more regularly, and in addition, the plurality of support plates 120 are located at the centers of the plurality of flow stabilizing plates 130, so that the influence of the installation of the support plates 120 on the airflow at the baffle 110 can be reduced, the airflow can be ensured to flow more regularly, and the occurrence of a turbulent flow area can be prevented.

Alternatively, the end of the support plate 120 connected to the baffle plate 110 has an arc-shaped surface that matches the baffle plate 110, that is, the end of the support plate 120 near the baffle plate 110 is also configured to be arc-shaped, so that the support plate 120 and the baffle plate 110 can be seamlessly connected to make the air flow more regular.

Alternatively, the number of baffles 110, flow stabilizers 130 and support plates 120 comprises at least three, respectively, and as a first alternative, the number of baffles 110, flow stabilizers 130 and support plates 120 may be three, and accordingly the number of side walls 101 may be three, so as to give the duct a substantially triangular prism, and as a second alternative, the number of baffles 110, flow stabilizers 130 and support plates 120 may be four, and accordingly the number of side walls 101 may be four, so as to give the duct a substantially quadrangular prism.

In addition, the number of the side walls 101 may be one, that is, the conveying pipe constitutes a circular pipe, and in this case, the baffle 110 may be an integrally molded structure.

Referring to fig. 4, the curve is a curvature line of the baffles 110, the origin point represents a central point of the fan suction inlet 100, that is, a central point of the baffles 110, a vertical distance from an edge where a highest point of each baffle 110 is located to a center of the baffles 110 is X, and a vertical distance from the highest point to the lowest point of each baffle 110 is Y, then

The curvature of the baffle 110 is determined according to the above formula.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a prevent fan suction inlet of air current disorder, characterized in that, fan suction inlet (100) include by a plurality of lateral walls (101) enclose synthetic pipeline and relative lateral wall (101) fixed polylith baffle (110), baffle (110) are the arc and by pipeline's outside is inside to extend, polylith baffle (110) interconnect and with lateral wall (101) one-to-one, every lateral wall (101) with correspond baffle (110) relative tip (102) and construct the arc, and this curved tip (102) and correspond baffle (110) and form curved air inlet channel.

2. The fan intake according to claim 1, wherein the fan intake (100) further comprises a plurality of flow stabilizing plates (130), the flow stabilizing plates (130) are fixed on the inner surface of the side wall (101) in a one-to-one correspondence, two adjacent flow stabilizing plates (130) form a flow stabilizing channel with the corresponding side wall (101), the baffle (110) is supported by the flow stabilizing plates (130), and the projection of the baffle (110) on the horizontal plane is perpendicular to the flow stabilizing plates (130).

3. The fan intake according to claim 2, wherein the fan intake (100) further comprises a plurality of support plates (120), the support plates (120) are respectively connected to the flow stabilizing plate (130) and the baffle plate (110), and the support plates (120) extend along the length of the delivery conduit.

4. The suction inlet of the fan as claimed in claim 3, wherein the end of the support plate (120) connected to the baffle (110) has an arc-shaped surface matching the baffle (110).

5. The blower intake according to claim 3, wherein the number of the baffle (110), the stabilizer (130), and the support plate (120) includes at least three, respectively.

6. The fan suction inlet according to claim 3, wherein the plurality of support plates (120) are centered on the plurality of flow stabilizers (130).

7. The fan intake according to claim 3, wherein the support plate (120) is elongated.

8. The suction inlet of fan as claimed in claim 1, wherein the vertical distance from the edge of the highest point of each baffle (110) to the center of the baffles (110) is X, and the vertical distance from the highest point to the lowest point of each baffle (110) is Y, then

9. The fan suction inlet according to claim 2, wherein the stabilizer (130) is welded to the inner surface of the side wall (101).

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