CN212429335U - Mounting structure of axial fan and urea granulation device adopting same - Google Patents
Mounting structure of axial fan and urea granulation device adopting same Download PDFInfo
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- CN212429335U CN212429335U CN202021228295.5U CN202021228295U CN212429335U CN 212429335 U CN212429335 U CN 212429335U CN 202021228295 U CN202021228295 U CN 202021228295U CN 212429335 U CN212429335 U CN 212429335U
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Abstract
The utility model discloses an axial fan's mounting structure and adopt this mounting structure's urea prilling granulator, mounting structure include the expansion joint, and the expansion joint is fixed at the wind equipment top, and axial fan installs in the expansion joint top, and axial fan's bottom links to each other with the expansion joint. The vibration reduction support assembly comprises a support and a vibration reducer, the support is fixed on the periphery of the axial flow fan, and the vibration reducer is connected between the support and the top of the wind utilization equipment. The expansion joint enables the connection between the axial flow fan and the air utilization equipment to be soft connection, and when the axial flow fan vibrates, the expansion joint can deform, so that the problem of leakage caused by deformation or even breakage of the top of the air utilization equipment due to rigid traction can be solved. The vibration damping supporting component can relieve vibration of the wind equipment caused by vibration of the axial flow fan, plays a role in vibration damping, can limit displacement intervals of the axial flow fan, enables the displacement of the axial flow fan to be in reasonable intervals, and therefore also plays a role in limiting and supporting.
Description
Technical Field
The utility model relates to an axial fan installs technical field, in particular to axial fan's mounting structure and adopts this mounting structure's urea prilling granulator.
Background
Some wind-powered devices meet wind demand by installing an axial fan at the top. The axial flow fan is screwed on the top of the wind utilization equipment through a bolt.
The axial flow fan vibrates both during operation and during start-up. If adopt above-mentioned mounting structure, after operation a period, under axial fan's vibration traction effect, the bolt of connecting axial fan and wind equipment can take place to become flexible, moreover, the screw hole department that links to each other with wind equipment and bolt can take place to warp or even fracture, causes the wind equipment top to appear leaking, influences the safe and stable operation of wind equipment.
Therefore, how to alleviate the above-mentioned adverse effects caused by the vibration of the axial flow fan is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an axial fan's mounting structure, mounting structure includes the expansion joint, the expansion joint is fixed at the wind equipment top, and axial fan installs the expansion joint top, axial fan's bottom with the expansion joint links to each other.
This mounting structure utilizes the expansion joint to connect axial fan's bottom and the top with wind equipment, makes axial fan and the connection with wind equipment be the flexible coupling, sets up like this, and when the vibration of axial fan, the expansion joint can take place to warp to can solve with wind equipment top because of receiving rigid tractive and take place to warp and even fracture and cause the problem of leaking, ensured the safe and stable operation with wind equipment.
Optionally, the mounting structure further includes a sleeve, the sleeve is fixed to the top of the wind turbine, a first flange is arranged at the top end of the sleeve, a second flange is arranged at the bottom end of the axial flow fan, a third flange and a fourth flange are respectively arranged at the top end and the bottom end of the expansion joint, the first flange is connected with the fourth flange through a threaded fastener, and the second flange is connected with the third flange through a threaded fastener.
Optionally, a first sealing gasket is arranged between the first flange and the fourth flange, and a second sealing gasket is arranged between the second flange and the third flange.
Optionally, the mounting structure further includes a vibration damping support assembly, the vibration damping support assembly includes a bracket and a vibration damper, the bracket is fixed to the periphery of the axial flow fan, and the vibration damper is connected between the bracket and the top of the wind equipment.
The vibration reduction supporting assembly is arranged, so that on one hand, the vibration of the wind equipment caused by the vibration of the axial flow fan can be relieved, and the vibration reduction effect is achieved; on the other hand, the deformable amplitude of the expansion joint is large, so that the axial flow fan is possibly unstable in position, the displacement interval of the axial flow fan can be limited by arranging the vibration reduction supporting assembly, the displacement of the axial flow fan is in a reasonable interval, the vibration reduction supporting assembly also plays a limiting supporting role, and the axial flow fan is ensured to be stably supported on the top of the wind utilization equipment.
Optionally, the vibration damping support assembly further comprises a support fixed to the top of the wind power plant, and the vibration damper is connected between the support and the support.
Optionally, the support is an annular structure surrounding the fan for one circle; or the support comprises a plurality of supporting parts, and the supporting parts are uniformly arranged along the periphery of the axial flow fan at intervals.
Optionally, the damper comprises a plurality of damper units, each of which is arranged at regular intervals below the bracket.
The utility model also provides a urea prilling granulator, including prilling tower and axial fan, axial fan adopts above-mentioned arbitrary any the mounting structure install prilling tower top.
Since the above-described mounting structure has the above-described technical effects, the urea granulation apparatus using the above-described mounting structure also has the above-described technical effects.
Drawings
Fig. 1 is a schematic view of a specific embodiment of a mounting structure of an axial flow fan provided by the present invention.
The reference numerals are explained below:
01, the top of wind equipment, 02 axial flow fan;
the damping device comprises an expansion joint 1, a damping support component 2, a support 21, a damping unit 22, a support 23, a sleeve 3, a first flange 4, a second flange 5, a third flange 6, a fourth flange 7, a first sealing gasket 8 and a second sealing gasket 9.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.
The utility model provides an axial fan's mounting structure includes expansion joint 1, and expansion joint 1 is fixed on wind equipment top 01, and axial fan 02 installs in expansion joint 1 top, and axial fan 02's shell bottom links to each other with expansion joint 1 to fix the top at wind equipment through expansion joint 1.
This mounting structure utilizes expansion joint 1 to connect axial fan 02's bottom and the top of using wind equipment, makes axial fan 02 and the connection of using wind equipment be the flexible coupling, sets up like this, and when axial fan 02's vibration, expansion joint 1 can take place to warp to can solve and to take place to warp or even fracture and cause the problem of leaking because of receiving rigid tractive at wind equipment top 01, ensured the safe and stable operation of using wind equipment.
Specifically, the expansion joint 1 may be a unidirectional expansion joint that can be deformed only in the vertical direction (i.e., the axial direction of the expansion joint 1), or may be a bidirectional expansion joint that can be deformed both in the vertical direction and in the horizontal direction (i.e., the radial direction of the expansion joint 1). The bi-directional expansion joint further helps to prevent the wind turbine top 01 from being pulled hard.
Specifically, the mounting structure further comprises a sleeve 3, and the sleeve is fixed on the top of the wind equipment and can be welded on the top of the wind equipment or integrally formed with the wind equipment.
And, the top of sleeve 3 is equipped with first flange 4, and axial fan 02's bottom is equipped with second flange 5, and the top of expansion joint 1 is equipped with third flange 6, and the bottom of expansion joint 1 is equipped with fourth flange 7.
The first flange 4 and the fourth flange 7 are connected through a threaded fastener, so that the connection between the bottom end of the axial flow fan 02 and the expansion joint 1 is realized. The second flange 5 and the third flange 6 are connected through threaded fasteners, so that the expansion joint 1 is connected with the top 01 of the wind equipment.
The bottom end of the axial flow fan 02 is connected with the expansion joint 1 and the expansion joint 1 is connected with the top 01 of the air utilization equipment through flanges, so that the expansion joint 1 and the axial flow fan 02 are easy and convenient to disassemble and assemble, and replacement and overhaul of the expansion joint 1 and the axial flow fan 02 are facilitated.
Of course, in practical implementation, the bottom end of the axial flow fan 02 and the expansion joint 1, and the expansion joint 1 and the top 01 of the wind utilization equipment may also be connected by other connection methods, such as threaded connection or welding.
Specifically, a first sealing gasket 8 is arranged between the first flange 4 and the fourth flange 7, and a second sealing gasket 9 is arranged between the second flange 5 and the third flange 6. The first sealing gasket 8 ensures the air tightness of the joint of the expansion joint 1 and the axial flow fan 02, and the second sealing gasket 9 ensures the air tightness of the joint of the expansion joint 1 and the sleeve 3.
Further, as shown, the mounting structure further includes a vibration damping support assembly 2. The vibration damping support assembly 2 comprises a support 21 and a vibration damper, the support 21 is fixed on the periphery of the axial flow fan 02, and the vibration damper is connected between the support 21 and the top 01 of the wind equipment, so that the axial flow fan 02 is supported on the top 01 of the wind equipment through the support 21 and the vibration damper.
The vibration reduction supporting component 2 is arranged, so that on one hand, the vibration of the wind equipment caused by the vibration of the axial flow fan 02 can be relieved, and the vibration reduction effect is achieved; on the other hand, the deformable amplitude of the expansion joint 1 is relatively large, so that the position of the axial flow fan 02 may be unstable, and by providing the vibration damping support assembly 2, the displacement interval of the axial flow fan 02 can be limited, so that the displacement of the axial flow fan 02 is within a reasonable interval, for example, when the axial flow fan 02 moves up to a limit position, the elastic component of the vibration damper is stretched, so as to generate a downward traction force on the axial flow fan 02, and thus the axial flow fan 02 can be limited to move up continuously. Therefore, the vibration-damping support assembly 2 plays a role in limiting and supporting, and ensures that the axial flow fan 01 is stably supported on the top of the wind equipment.
Specifically, the support 21 may be provided as an annular structure that surrounds the axial flow fan 02 for one circumference, or may be provided as a plurality of support portions such that the support portions are arranged at regular intervals along the outer circumference of the axial flow fan 02.
Specifically, the damper may include a plurality of damper units 22, and each damper unit 22 is disposed below the bracket 21 at regular intervals.
Specifically, the vibration damping support assembly 2 may further include a support 23, the support 23 is fixed to the top 01 of the wind equipment, and the vibration damper is fixed between the support 23 and the bracket 21 so that the vibration damper is supported on the support 23. Usually the top of the wind installation will be provided with a reinforcement beam on which the damper can also be supported if the reinforcement beam is in place, so that the abutment 23 may also be omitted.
In summary, the mounting structure enables the axial flow fan 02 to be stably supported on the top of the wind equipment by arranging the expansion joint 1 and the vibration reduction supporting component 2, relieves the vibration of the wind equipment caused by the vibration of the axial flow fan 02, and solves the problem that the top 01 of the wind equipment is pulled to cause leakage due to the vibration of the axial flow fan 02.
Additionally, the utility model provides a urea prilling granulator, this urea prilling granulator include prilling tower and axial fan, and axial fan adopts above-mentioned arbitrary the mounting structure install at prilling tower top. The operating principle and the structure of urea granulation plants are well known to the person skilled in the art.
Since the above-described mounting structure has the above-described effects, the urea granulation apparatus also has the above-described effects.
It is right above the utility model provides an axial fan's mounting structure and adopted this mounting structure's urea prilling granulator to carry out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The mounting structure of the axial flow fan is characterized by comprising an expansion joint (1), wherein the expansion joint (1) is fixed on the top (01) of an air utilization device, the axial flow fan (02) is mounted above the expansion joint (1), and the bottom end of the axial flow fan (02) is connected with the expansion joint (1).
2. The mounting structure of the axial flow fan according to claim 1, further comprising a sleeve (3), wherein the sleeve (3) is fixed on the top (01) of the wind utilization equipment, a first flange (4) is arranged at the top end of the sleeve (3), a second flange (5) is arranged at the bottom end of the axial flow fan (02), a third flange (6) and a fourth flange (7) are respectively arranged at the top end and the bottom end of the expansion joint (1), the first flange (4) and the fourth flange (7) are connected through a threaded fastener, and the second flange (5) and the third flange (6) are connected through a threaded fastener.
3. The mounting structure of an axial flow fan according to claim 2, wherein a first gasket (8) is provided between the first flange (4) and the fourth flange (7), and a second gasket (9) is provided between the second flange (5) and the third flange (6).
4. The mounting structure of an axial flow fan according to any one of claims 1 to 3, further comprising a vibration damping support assembly (2), wherein the vibration damping support assembly (2) comprises a bracket (21) and a vibration damper, the bracket (21) is fixed to the outer periphery of the axial flow fan (02), and the vibration damper is connected between the bracket (21) and the top (01) of the wind equipment.
5. The mounting structure of an axial fan according to claim 4, wherein said vibration-damping support assembly (2) further comprises a support (23), said support (23) is fixed to a top (01) of a wind turbine, and said vibration damper is connected between said bracket (21) and said support (23).
6. The mounting structure of an axial flow fan according to claim 4, wherein the damper includes a plurality of damper units (22), each of the damper units (22) being arranged below the bracket (21) at regular intervals.
7. A urea granulation device, comprising a granulation tower and an axial flow fan, wherein the axial flow fan is arranged on the top of the granulation tower by adopting the mounting structure of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228295.5U CN212429335U (en) | 2020-06-29 | 2020-06-29 | Mounting structure of axial fan and urea granulation device adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021228295.5U CN212429335U (en) | 2020-06-29 | 2020-06-29 | Mounting structure of axial fan and urea granulation device adopting same |
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| Publication Number | Publication Date |
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| CN212429335U true CN212429335U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021228295.5U Active CN212429335U (en) | 2020-06-29 | 2020-06-29 | Mounting structure of axial fan and urea granulation device adopting same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217474A (en) * | 2021-05-12 | 2021-08-06 | 江苏盾安环控系统有限公司 | Seismic structure of vertical containment circulating cooling fan for passive nuclear power station |
-
2020
- 2020-06-29 CN CN202021228295.5U patent/CN212429335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217474A (en) * | 2021-05-12 | 2021-08-06 | 江苏盾安环控系统有限公司 | Seismic structure of vertical containment circulating cooling fan for passive nuclear power station |
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