CN214698410U - Power station fan and noise elimination system of auxiliary pipeline - Google Patents
Power station fan and noise elimination system of auxiliary pipeline Download PDFInfo
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- CN214698410U CN214698410U CN202120512843.5U CN202120512843U CN214698410U CN 214698410 U CN214698410 U CN 214698410U CN 202120512843 U CN202120512843 U CN 202120512843U CN 214698410 U CN214698410 U CN 214698410U
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- electric power
- noise elimination
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Abstract
The utility model discloses a power station fan and accessory pipeline's noise elimination system, including fan inlet pipeline, power station fan and fan outlet pipeline are set gradually in fan inlet pipeline's exit, and the outside spraying of fan inlet pipeline and fan outlet pipeline has waterborne damping dope layer. The utility model discloses a power station fan and accessory pipeline's noise elimination system, at power station fan and the attached outer spraying waterborne damping dope layer of entering, export pipeline, waterborne damping dope noise elimination is effectual. The spraying water-based damping coating layer is suitable for the reconstruction of the existing unit and the construction of a new unit, and the construction difficulty of the system is small. The water-based damping coating layer is arranged outside the steel pipeline, and the resistance of the inlet and the outlet of the fan is not increased, so that the energy consumption of the fan is not increased by the system.
Description
Technical Field
The utility model belongs to the technical field of electric power and power engineering, a power station fan and accessory pipeline's noise elimination system is related to.
Background
The three fans of the utility boiler comprise a primary fan, a blower and an induced draft fan. When the thermal power generating unit operates, the primary air fan, the air feeder and the induced draft fan are all kept in an operating state all the time. The primary air fan, the air feeder and the induced draft fan belong to large-scale rotating machinery, and the noise generated by the rotating machinery in actual operation is serious, so that the noise is one of the root causes for disturbing the health of operation and maintenance personnel of the thermal power generating unit.
At present, silencers are uniformly distributed at inlets of power station fans, and silencing materials are distributed in the silencers and are divided into resistive silencing materials and dissipative silencing materials. The silencer can be divided into a folded plate type, an acoustic flow type, a honeycomb type, a straight tube type, a sheet type, a labyrinth type, an elbow type and the like according to different structures of the inlet flow channel of the fan.
The silencer is used as a part of the fan, so that the resistance of the inlet of the fan is improved, the output of the fan is increased, the energy consumption of the fan is further increased, and the station service power rate of the unit is improved.
In actual production, a power station fan noise elimination system which is good in noise elimination effect, easy to implement and free of energy consumption increase needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem among the prior art, provide a power station fan and accessory pipeline's noise elimination system.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
the utility model provides a power station fan and accessory pipeline's noise elimination system, includes fan entry pipeline, power station fan and fan export pipeline are set gradually in the exit of fan entry pipeline, and the outside spraying of fan entry pipeline and fan export pipeline has the waterborne damping dope layer.
The utility model discloses further improvement lies in:
and steel pipelines are arranged on the outer walls of the fan inlet pipeline, the power station fan and the fan outlet pipeline.
The thickness of the water-based damping coating layer is 15-30 mm.
The water-based damping coating layer is made of damping material sound insulation and absorption fibers and a copolymerization compound.
The power station fan is a power station primary fan, a power station blower or a power station induced draft fan.
The power station fan is a centrifugal fan or an axial flow fan.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model relates to a power station fan and accessory pipeline's noise elimination system, construct pipeline, waterborne damping dope layer including fan inlet pipeline, power station fan, fan outlet pipeline, steel. A fan inlet pipeline is arranged at the inlet of a power station fan, a fan outlet pipeline is arranged at the outlet of the power station fan, the fan inlet pipeline and the fan outlet pipeline are both steel pipelines, and a water-based damping coating layer is sprayed on the outer portion of each steel pipeline. The utility model discloses a power station fan and accessory pipeline's noise elimination system, at power station fan and the attached outer spraying waterborne damping dope layer of entering, export pipeline, waterborne damping dope noise elimination is effectual. The spraying water-based damping coating layer is suitable for the reconstruction of the existing unit and the construction of a new unit, and the construction difficulty of the system is small. The water-based damping coating layer is arranged outside the steel pipeline, and the resistance of the inlet and the outlet of the fan is not increased, so that the energy consumption of the fan is not increased by the system.
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 the noise elimination system of the utility model of the power station fan and the auxiliary pipeline.
Fig. 2 is an engineering schematic view of the noise elimination system of the utility model of the power station fan and the auxiliary pipeline.
The system comprises a fan, a power station fan, a fan outlet pipeline, a steel structure pipeline and a water-based damping coating layer, wherein the water-based damping coating layer comprises 1-the fan inlet pipeline, 2-the power station fan, 3-the fan outlet pipeline, 4-the steel structure pipeline and 5-the water-based damping coating layer.
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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the embodiment of the utility model discloses a power station fan and attached pipeline's noise elimination system, including fan entry pipeline 1, power station fan 2, fan export pipeline 3, steel structure pipeline 4, waterborne damping dope layer 5. A fan inlet pipeline 1 is arranged at an inlet of a power station fan 2, a fan outlet pipeline 3 is arranged at an outlet of the power station fan 2, the fan inlet pipeline 1 and the fan outlet pipeline 3 are both steel-structured pipelines 4, and a water-based damping coating layer 5 is sprayed on the outer portion of each steel-structured pipeline 4. And water-based damping coating layers 5 are sprayed on the outer parts of the fan inlet pipeline 1, the power station fan 2 and the fan outlet pipeline 3. The thickness of the water-based damping paint layer 5 is generally 15 mm to 30 mm. The water-based damping coating layer 5 is made of damping material sound insulation and absorption fibers and a copolymerization compound. The power station fan 2 can be a primary power station fan, a power station blower or a power station induced draft fan. The plant fan 2 may be a centrifugal fan or an axial flow fan.
The utility model discloses a working process:
Air or flue gas enters a fan inlet pipeline 1, then works through a power station fan 2, and then is discharged through a fan outlet pipeline 3. In the whole flowing process of the air or the flue gas, the water-based damping coating layers 5 are arranged outside the fan inlet pipeline 1, the power station fan 2 and the fan outlet pipeline 3, so that the noise generated by the fan and the pipelines can be greatly reduced.
The utility model discloses a power station fan and accessory pipeline's noise elimination system, at power station fan and the attached outer spraying waterborne damping dope layer of entering, export pipeline, waterborne damping dope noise elimination effect is good, and the spraying waterborne damping dope layer construction degree of difficulty is little, and does not increase the fan energy consumption.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (5)
1. The utility model provides a power station fan and accessory pipeline's noise elimination system, its characterized in that includes fan entry pipeline (1), the exit of fan entry pipeline (1) sets gradually power station fan (2) and fan export pipeline (3), and the outside spraying of fan entry pipeline (1) and fan export pipeline (3) has waterborne damping dope layer (5).
2. The system for silencing electric power plant fans and auxiliary pipes according to claim 1, characterized in that the outer walls of the fan inlet pipe (1), the electric power plant fan (2) and the fan outlet pipe (3) are all steel pipes (4).
3. The power station fan and auxiliary pipeline noise elimination system according to claim 2, wherein the thickness of the water-based damping paint layer (5) is 15-30 mm.
4. The system for silencing electric power plant fans and associated ducts according to claim 1 or 2, characterized in that said electric power plant fan (2) is an electric power plant primary fan, an electric power plant blower or an electric power plant induced fan.
5. The system for silencing electric power plants fans and associated ducts according to claim 1 or 2, characterized in that said electric power plants fans (2) are centrifugal fans or axial fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512843.5U CN214698410U (en) | 2021-03-11 | 2021-03-11 | Power station fan and noise elimination system of auxiliary pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512843.5U CN214698410U (en) | 2021-03-11 | 2021-03-11 | Power station fan and noise elimination system of auxiliary pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698410U true CN214698410U (en) | 2021-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120512843.5U Active CN214698410U (en) | 2021-03-11 | 2021-03-11 | Power station fan and noise elimination system of auxiliary pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698410U (en) |
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2021
- 2021-03-11 CN CN202120512843.5U patent/CN214698410U/en active Active
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