CN218093630U - Air blower device for reducing surge - Google Patents
Air blower device for reducing surge Download PDFInfo
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- CN218093630U CN218093630U CN202220746121.0U CN202220746121U CN218093630U CN 218093630 U CN218093630 U CN 218093630U CN 202220746121 U CN202220746121 U CN 202220746121U CN 218093630 U CN218093630 U CN 218093630U
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Abstract
The embodiment of the application discloses a blower device for reducing surge, which is used for reducing the phenomenon of surge of a blower so as to prolong the service life of the blower. The embodiment of the application comprises the following steps: the system comprises a target blower, a first connecting pipe, a second connecting pipe, a third connecting pipe and a valve; the first connecting pipe is respectively connected with the target blower and the first end of the second connecting pipe, and the first connecting pipe is used for introducing gas at the air outlet of the target blower into the second connecting pipe; the third connecting pipe is respectively connected with the target blower and the second end of the second connecting pipe, and the third connecting pipe is used for introducing gas from the second connecting pipe into the air inlet of the target blower; the valve is connected with the second connecting pipe and used for adjusting the gas flow.
Description
Technical Field
The embodiment of the application relates to the technical field of air blowers, in particular to an air blower device for reducing surge.
Background
Blower surge refers to the generation of loud noise due to the violent vibration of the blower caused by periodic pressure pulsation and airflow oscillation of the blower system. Surging is a special phenomenon in the operation of an axial flow fan, and the reason of the surging of the fan is that outlet pressure is not corresponding to the air volume of the fan, and the outlet pressure is very high, but the air volume is very small, so that part or all of the blades of the fan enter a stall area, which is mainly characterized in that the air volume, the outlet air pressure and the motor current are greatly fluctuated, and severe vibration and abnormal noise occur.
The steam turbine blower of the sulfuric acid plant has the advantages that due to the fact that a system is blocked, and when loads are increased or reduced in the production process, the loads are unstable, middle-low pressure steam is unstable, the phenomenon that the blower shakes suddenly occurs, the phenomenon of surging can cause the breakage of the blades of the blower or the damage of mechanical parts, and therefore the service life of the blower is shortened.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a blower device capable of reducing surge, which is used for reducing the phenomenon of surge of a blower, thereby prolonging the service life of the blower.
The present application provides a surge reducing blower apparatus comprising: the system comprises a target blower, a first connecting pipe, a second connecting pipe, a third connecting pipe and a valve;
the first connecting pipe is respectively connected with the target blower and the first end of the second connecting pipe, and the first connecting pipe is used for introducing gas at the air outlet of the target blower into the second connecting pipe;
the third connecting pipe is respectively connected with the target blower and the second end of the second connecting pipe, and the third connecting pipe is used for introducing gas from the second connecting pipe into the air inlet of the target blower;
the valve is connected with the second connecting pipe and used for adjusting the gas flow.
Optionally, the blower device further comprises: a first valve connector and a second valve connector;
the first valve joint is respectively connected with a first end of the valve and one end of the second connecting pipe;
the second valve joint is respectively connected with the second end of the valve and the other end of the second connecting pipe.
Optionally, the blower device further comprises: a first connecting piece and a second connecting piece;
the first connecting piece is respectively connected with the first valve joint and one end of the second connecting pipe;
the second connecting piece is respectively connected with the second valve joint and the other end of the second connecting pipe.
Optionally, the blower device further comprises: a first nut and a second nut;
the first connecting piece is connected with the first valve joint through the first nut;
the second connecting piece is connected with the second valve connector through the second nut.
Optionally, the blower device further comprises: a first seal ring and a second seal ring;
the first sealing ring is arranged on the first connecting piece and used for enhancing the connection tightness between the first connecting piece and the second valve joint;
the second sealing ring is arranged on the second connecting piece and used for enhancing the connection tightness of the second connecting piece and the second valve joint.
Optionally, the first sealing ring and the second sealing ring are O-ring seals.
Optionally, the blower device further comprises: a first connecting elbow and a second connecting elbow;
the first connecting pipe is connected with the first end of the second connecting pipe through the first elbow;
the third connecting pipe is connected with the second end of the second connecting pipe through the second elbow.
Optionally, the blower device further comprises: a filter screen;
the filter screen is arranged on the first connecting pipe.
Optionally, the pipe diameter of the connection valve is matched with the pipe diameter of the second connection pipe.
Optionally, the first connecting pipe, the second connecting pipe and the third connecting pipe are all pipelines with a diameter of DN 300.
According to the technical scheme, the embodiment of the application has the following beneficial effects:
in this application, the first end of target air-blower and second connecting pipe is connected respectively to first connecting pipe, first connecting pipe is used for letting in the gas of target air-blower air outlet the second connecting pipe, the second end of target air-blower and second connecting pipe is connected respectively to the third connecting pipe, the third connecting pipe is used for letting in the gas from the second connecting pipe target air-blower air intake, the valve is connected with the second connecting pipe, the valve is used for adjusting gas flow, pass through first connecting pipe with the gas of target air-blower air outlet, second connecting pipe and third connecting pipe backward flow to target air-blower air intake, make the pressure of air outlet and the air-blower amount of wind be in relative balance, reduce the air-blower surge phenomenon, thereby reduce the impaired condition of air-blower because of surge phenomenon, and then extension air-blower life. In addition, a valve is arranged on the second connecting pipe, and the gas flow can be adjusted through the valve according to actual requirements.
Drawings
Fig. 1 is a schematic view of a blower device for reducing surge according to the present application.
Detailed Description
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective components or constituent parts, and do not particularly limit specific mounting orientations of the respective components or constituent parts. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate. Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be. In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.
The embodiment of the application provides a blower device capable of reducing surge, which is used for reducing the phenomenon of surge of a blower, thereby prolonging the service life of the blower.
Referring to fig. 1, one embodiment of a blower device for reducing surge in the present application includes: a first connecting pipe 1, a second connecting pipe 2, a third connecting pipe 3, a valve 4 and a target blower 5;
the first connecting pipe 1 is respectively connected with the target blower 5 and the first end of the second connecting pipe 2, and the first connecting pipe 1 is used for introducing gas at an air outlet of the target blower 5 into the second connecting pipe 2;
the third connecting pipe 3 is respectively connected with the target blower 5 and the second end of the second connecting pipe 2, and the third connecting pipe 3 is used for introducing the gas from the second connecting pipe 2 into the air inlet of the target blower;
the valve 4 is connected to the second connection pipe 2, and the valve 4 is used for adjusting the gas flow.
In the application, install first connecting pipe 1 additional at target air-blower 5 air outlet, the first end of 2 pipes are connected with the second to first end of first connecting pipe 1, the second end of second connecting pipe 2 is connected with the first end of third connecting pipe 3, the second end and the target air-blower 5 air intake connection of third connecting pipe 3, the gas with target air-blower 5 air outlet flows back to target air-blower 5 air intake through first connecting pipe 1, second connecting pipe 2 and third connecting pipe 3, it is too big to reduce the pressure of target air-blower 5 air outlet and air intake gas flow change difference, that is, when system device 6 that is connected with target air-blower 5 appears blockking, through the gas backflow of target air-blower 5 air outlet to target air-blower 5 air intake, make the pressure of air outlet and the change of air-blower amount of wind be in relative balance, reduce the surge phenomenon that appears in the air-blower, thereby reduce the impaired condition of air-blower because of surge phenomenon, and then prolong air-blower life.
In addition, a valve 4 is arranged on the second connecting pipe 2, the gas flow can be adjusted through the valve 4 according to the actual demand, and when the target blower 5 has a large surge phenomenon, the valve 4 is opened to a large opening; when the surge phenomenon of the target blower 5 is small, the valve 4 is opened to a small opening.
The silencer 7 is connected to the air inlet of the target blower 5, the larger the air quantity of the inlet of the target blower 5 is, the faster the air speed is, the larger the noise is, the generated noise influences the health of workers and interferes the environment, and the aerodynamic noise radiated by the air opening of the target blower 5 is, so that the silencer 7 is connected to the air inlet of the target blower 5 to be silenced, and the influence of the noise on the workers and the environment is reduced.
Optionally, the blower device in the present application further comprises: a first valve connector and a second valve connector;
the first valve joint is respectively connected with the first end of the valve and one end of the second connecting pipe 2;
the second valve joint is respectively connected with the second end of the valve and the other end of the second connecting pipe 2.
Optionally, the pipe diameter of the valve 4 is matched with the pipe diameter of the second connecting pipe 2.
The connection of the valve and the connecting pipe is mainly realized by means of threaded sealing connection of the valve and the connecting pipe at present, because the existence of a threaded groove is easy to cause large leakage, and the connection part is easy to burst when the pipeline pressure is large. Therefore, in the present application, a valve joint is provided between the connection pipe and the valve, a first valve joint is connected between the first end of the connection valve and one end of the second connection pipe 2, a second valve joint is connected between the second end of the connection valve and the other end of the second connection pipe 2, so as to improve the sealing performance of the connection pipe and the valve, reduce the leakage of gas in the circulation process, reduce the gas flowing back to the target blower 5, and thus the surge phenomenon of the target blower 5 is not relieved, improve the gas circulation efficiency, and reduce the surge phenomenon of the target blower 5. In this application, the valve 4 is a valve with a diameter of DN300 and is connected with the second connecting pipe 2 with a diameter of DN 300.
Optionally, the blower device further comprises: a first connecting piece and a second connecting piece;
the first connecting piece is respectively connected with the first valve joint and one end of the second connecting pipe 2;
the second connector is connected to the second valve connector and the other end of the second connection pipe 2, respectively.
Optionally, the blower device in the present application further comprises: a first nut and a second nut;
the first connecting piece is connected with the first valve joint through a first nut;
the second connecting piece is connected with the second valve connector through a second nut.
In this application, first valve connects and second valve connects and is provided with first external screw thread and second external screw thread respectively, first nut and second nut are provided with first internal thread and second internal thread respectively, through the cooperation of first external screw thread and first internal thread, be connected first valve connects with first connecting piece, through the cooperation of second external screw thread and second external screw thread, be connected second valve connects with the second connecting piece, first connecting piece and the one end welded fastening of second connecting pipe 2, the other end welded fastening of second connecting piece and second connecting pipe 2. The connecting piece passes through welded fastening with the connecting pipe, improves the leakproofness of junction, and it leaks to reduce gaseous emergence in the circulation in-process, improves gaseous circulation efficiency to reduce target air-blower 5 surging phenomenon, thereby reduce the air-blower because of the impaired condition of surging phenomenon, and then extension air-blower life.
Optionally, the blower device in the present application further comprises: a first seal ring and a second seal ring;
the first sealing ring is arranged on the first connecting piece and used for enhancing the connection tightness of the first connecting piece and the second valve joint;
the second sealing ring is arranged on the second connecting piece and used for enhancing the sealing performance of the second connecting piece and the second valve joint.
Optionally, the first sealing ring and the second sealing ring are O-rings.
In the application, a first sealing ring and a second sealing ring are respectively arranged on a first connecting piece and a second connecting piece, so that the sealing performance of the first connecting piece and the second valve joint and the sealing performance of the second connecting piece and the second valve joint are enhanced, gaps are reduced at the joint, the condition that gas leaks when flowing in the connecting pipe is caused, the gas can flow back to an air inlet of a target air blower 5 according to preset flow, the pressure of the air outlet and the air volume of the air blower are in relative balance, the surge phenomenon of the air blower is reduced, the condition that the air blower is damaged due to the surge phenomenon is reduced, and the service life of the air blower is prolonged.
Optionally, the blower device further comprises: a first connecting elbow and a second connecting elbow;
the first connecting pipe 1 is connected with the first end of the second connecting pipe 2 through a first elbow;
the third connecting pipe 3 is connected with the second end of the second connecting pipe 2 through a second elbow.
In this application, the port of the second end of first connecting pipe 1 is provided with the port external screw thread, the first end and the second end of second connecting pipe 2 are provided with first end external screw thread and second end external screw thread respectively, the first end of third connecting pipe 3 is provided with the connection external screw thread, first elbow and second elbow are provided with first elbow internal thread and second elbow internal thread respectively, through first elbow internal thread and port external screw thread, the cooperation of first end external screw thread, be connected first connecting pipe 1 with the first end of second connecting pipe 2, through second elbow internal thread and second end external screw thread, the cooperation of connecting the external screw thread, be connected third connecting pipe 3 with the second end of second connecting pipe 2. The connecting pipe is connected by the first elbow and the second elbow, so that the connecting part is of a bent structure with a certain radian, and gas in the connecting pipe obtains a certain buffering effect when circulating.
Optionally, the blower device in the present application further comprises: a filter screen;
the filter screen is arranged on the first connecting pipe 1.
In this application, the first end of first connecting pipe 1 is used for being connected with 5 air outlets of target air-blower, first end at this first connecting pipe 1 is provided with the filter screen, the gaseous gas of 5 air outlets of target air-blower gets into first connecting pipe 1 after the filter screen filters, under the circumstances of guaranteeing that gas can get into first connecting pipe 1 smoothly, the less pipe diameter of specification is adopted to the mesh size of this filter screen, and the length of filter screen and the pipe internal diameter adaptation of 1 entrance of first connecting pipe, when gaseous from 5 entering first connecting pipes 1 of target air-blower, can filter the impurity in the gas, the reduction causes the interior jam of connecting pipe, thereby influence the circumstances of connecting pipe circulation.
In addition, this filter screen is detachable, and when the surface adsorption's of filter screen impurity reached preset adsorption threshold, then change the washing to this filter screen, cyclic utilization saves the resource, reduces economic cost.
Optionally, the first connecting pipe 1, the second connecting pipe 2 and the third connecting pipe 3 are all pipes with a diameter of DN 300.
In this application, first connecting pipe 1, second connecting pipe 2 and third connecting pipe 3 are the pipe diameter of DN300, and the pipe diameter of connecting pipe can be DN250, also can be DN350, specifically do not do the injecttion here, in practical application, can select according to actual need.
It should be noted that the above-mentioned disclosure and specific embodiments are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of protection of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.
Claims (10)
1. A blower device for reducing surge, comprising: the system comprises a target blower, a first connecting pipe, a second connecting pipe, a third connecting pipe and a valve;
the first connecting pipe is respectively connected with the target blower and the first end of the second connecting pipe, and the first connecting pipe is used for introducing gas at the air outlet of the target blower into the second connecting pipe;
the third connecting pipe is respectively connected with the target blower and the second end of the second connecting pipe, and the third connecting pipe is used for introducing gas from the second connecting pipe into the air inlet of the target blower;
the valve is connected with the second connecting pipe and used for adjusting the gas flow.
2. The blower device of claim 1, further comprising: a first valve connector and a second valve connector;
the first valve joint is respectively connected with a first end of the valve and one end of the second connecting pipe;
the second valve joint is respectively connected with the second end of the valve and the other end of the second connecting pipe.
3. The blower device of claim 2, further comprising: a first connecting piece and a second connecting piece;
the first connecting piece is respectively connected with the first valve joint and one end of the second connecting pipe;
the second connecting piece is respectively connected with the second valve joint and the other end of the second connecting pipe.
4. The blower device of claim 3, further comprising: a first nut and a second nut;
the first connecting piece is connected with the first valve joint through the first nut;
the second connector is connected with the second valve connector through the second nut.
5. The blower device of claim 3, further comprising: a first seal ring and a second seal ring;
the first sealing ring is arranged on the first connecting piece and used for enhancing the connection tightness between the first connecting piece and the second valve joint;
the second sealing ring is arranged on the second connecting piece and used for enhancing the connection tightness of the second connecting piece and the second valve joint.
6. The blower device of claim 5, wherein the first and second seals are O-rings.
7. The blower device of claim 1, further comprising: the first connecting elbow and the second connecting elbow;
the first connecting pipe is connected with the first end of the second connecting pipe through the first connecting elbow;
the third connecting pipe is connected with the second end of the second connecting pipe through the second connecting elbow.
8. The blower device according to any one of claims 1-7, further comprising: a filter screen;
the filter screen is arranged on the first connecting pipe.
9. The blower device according to any one of claims 1-7, wherein a tube diameter of the valve is adapted to a tube diameter of the second connection tube.
10. The blower apparatus according to any one of claims 1-7, wherein the first, second, and third connecting tubes are each DN300 pipe diameter tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746121.0U CN218093630U (en) | 2022-04-01 | 2022-04-01 | Air blower device for reducing surge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220746121.0U CN218093630U (en) | 2022-04-01 | 2022-04-01 | Air blower device for reducing surge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218093630U true CN218093630U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220746121.0U Active CN218093630U (en) | 2022-04-01 | 2022-04-01 | Air blower device for reducing surge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218093630U (en) |
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2022
- 2022-04-01 CN CN202220746121.0U patent/CN218093630U/en active Active
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