Mining ventilator silencer
By designing a mining fan silencer with honeycomb filters, separators and spiral pipes, the noise problem of mining fan is solved, and effective noise reduction and air filtration effect is achieved.
Patent Information
- Application Number
- CN202421418974.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-20
AI Technical Summary
When used, the operating of the fan blades and being inside the pipeline, the wind speed is high and the noise is generated, which seriously affects the physical and mental health of workers.
A mining ventilator is designed, including a frame assembly and a silence assembly. The silence assembly consists of a honeycomb filter, a divider, a spiral pipe, an orifice pipe and a flow conduit pipe. Through these structures, the air is filtered, separated and reduced, thereby achieving a silence effect.
Through the design of this muffler, the noise of the ventilator can be effectively reduced, the physical and mental health environment of workers can be improved, and the effectiveness of air filtration and separation functions can be ensured.
Smart Images
Figure CN222615685U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fan silencers, in particular to a mine fan silencer. Background Art
[0002] The main purpose of mining ventilators is to ensure the physical and mental health of coal miners, to remove coal dust and toxic and harmful gases, and to provide fresh air. When the ventilator is in use, due to the operation of the fan blades and being inside the pipeline, the wind speed is relatively high, which will cause relatively large noise and seriously affect the physical and mental health of the workers. Therefore, a mining ventilator muffler is proposed. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of the deficiencies in the prior art, the utility model provides a mine ventilator silencer having the advantages of excellent noise reduction, etc., which solves the problem that when the ventilator is in use, the operation of the fan blades and the high wind speed inside the pipeline will cause relatively loud noise.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned excellent purpose of noise reduction, the utility model provides the following technical solutions:
[0007] A mine ventilator silencer comprises a frame assembly and a silencer assembly, wherein the silencer assembly is fixedly installed inside the frame assembly.
[0008] The frame assembly comprises a base, a shell is fixedly mounted on the upper end of the base, and an air outlet is fixedly mounted on the right side of the shell.
[0009] The silencer assembly comprises a filter, a separator is fixedly mounted on the right end of the filter, a fixing ring is fixedly mounted on the right end of the separator, a spiral pipe, an orifice pipe and a flow conduit are fixedly mounted on the fixing ring, and a block is fixedly mounted on the orifice pipe.
[0010] As a preferred technical solution of the utility model, the filter is a honeycomb structure, with a plurality of through holes 1 at the left and right ends, and a plurality of through holes 2 of the same size at the top and bottom and front and rear ends, and each through hole 2 penetrates a row or a vertical through hole 1.
[0011] As a preferred technical solution of the utility model, the separator is a circular ring structure, the outer surface of the spiral pipe is provided with a plurality of spiral strips distributed in a ring shape, the outer ring of the spiral strips is tightly fixed to the inner surface of the shell, and the outer ring of the filter is tightly fixed to the inside of the shell.
[0012] As a preferred technical solution of the utility model, a second through hole is opened inside the spiral pipe, and the outer ring of the fixing ring is fixedly installed inside the spiral pipe.
[0013] As a preferred technical solution of the utility model, a through hole three is opened on the wall of the orifice pipe, and a plurality of circles of blocks are fixedly installed on the orifice pipe. The blocks are stacked and distributed in each circle, and the through holes opened inside the blocks are completely consistent with and connected to the through hole three opened on the wall of the orifice pipe.
[0014] As a preferred technical solution of the utility model, a through hole four is opened inside the flow conduit, a plurality of irregular flow-guide-shaped through holes are opened on both sides of the flow conduit, and fixing rings are opened on both sides of the flow conduit.
[0015] As a preferred technical solution of the utility model, the outermost part on the right side of the silencer assembly is divided into a spiral pipe, followed by an orifice pipe, and then a flow conduit pipe. The orifice pipe is fixedly installed on two fixing rings. There is a suitable space between the spiral pipe and the orifice pipe, and there is also a suitable space between the orifice pipe and the flow conduit pipe.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a mine fan silencer with the following features:
[0018] Beneficial effects:
[0019] The mining fan silencer is provided with a honeycomb filter to filter the air and a separator to separate the air. The outer circle air passes through the spiral pipe, and the inner circle air passes through the flow guide pipe and the orifice pipe. The fan is silenced through the flow guide design and the orifice stacking design. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the structure of the silencer assembly of the utility model;
[0022] Figure 3 This is an exploded view of the structure of the silencer assembly of the utility model;
[0023] Figure 4 This is a transverse cross-sectional view of the structure of the silencer assembly of the utility model;
[0024] Figure 5 This is a longitudinal cross-sectional view of the filter structure in the utility model;
[0025] Figure 6It is a schematic diagram of the structure of the fixing ring and the flow conduit in the utility model.
[0026] In the figure: 1. base; 2. shell; 3. air outlet; 4. filter; 5. separator; 6. spiral duct; 7. orifice duct; 8. block; 9. fixing ring; 10. flow duct. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] See also Figure 1-2 A mine ventilator silencer comprises a frame assembly and a silencer assembly, wherein the silencer assembly is fixedly installed inside the frame assembly.
[0031] The frame assembly comprises a base 1 , a shell 2 is fixedly mounted on the upper end of the base 1 , and an air outlet 3 is fixedly mounted on the right side of the shell 2 .
[0032] See also Figure 3-6The silencer assembly includes a filter 4, which is a honeycomb structure, with a plurality of through holes 1 on the left and right ends, and a plurality of through holes 2 of the same size on the top, bottom, front and rear ends, and each through hole 2 runs through a row or a vertical through hole 1, and a through hole 2 is provided to connect all the through holes 1, so that the air flows evenly inside the silencer, and the structural design can effectively reduce the wind speed and promote the filtration of the air. A separator 5 is fixedly installed on the right end of the filter 4, and the separator 5 is a circular ring structure. The function of the separator 5 is to separate the air, which can better filter the air. The fan is silenced, and the outer surface of the spiral duct 6 is provided with a plurality of spiral strips distributed in an annular shape. The outer ring of the spiral strip is tightly fixed to the inner surface of the shell 2. The setting of the spiral strip slows down the wind with a large flow rate through this structure, and can also silence the fan. The outer ring of the filter 4 is tightly fixed to the inside of the shell 2. A through hole 2 is provided inside the spiral duct 6. The outer ring of the fixing ring 9 is fixedly installed inside the spiral duct 6. The right end of the separator 5 is fixedly installed with the fixing ring 9. The fixing ring 9 is fixedly installed with the spiral duct 6, the orifice duct 7 and the flow duct 10. The flow duct A through hole 4 is provided inside the flow conduit 10, and a plurality of irregularly shaped flow-conducting through holes are provided on both sides of the flow conduit 10. The purpose of providing the flow-conducting through holes is to slowly decelerate the air through the flow-conducting arc, and the purpose of the chamber formed by the flow conduit 10 and the orifice conduit 7 is to prevent sonic booms. When the air is decelerated, the air may explode. This design can also silence the sound. A fixing ring 9 is provided on both sides of the flow conduit 10, and a block 8 is fixedly installed on the orifice conduit 7. A through hole 3 is provided on the wall of the orifice conduit 7, and a There are several circles of blocks 8, each circle of blocks 8 is stacked, and the through holes opened inside the blocks 8 are completely consistent with and communicated with the through holes three opened on the wall of the orifice pipe 7. The orifice pipe 7 and the blocks 8 fixedly installed thereon function to gradually silence the fan through stacking distribution. The outermost part on the right side of the silencer assembly is divided into a spiral pipe 6, followed by the orifice pipe 7, and then the flow pipe 10. The orifice pipe 7 is fixedly installed on two fixing rings 9. There is a suitable space between the spiral pipe 6 and the orifice pipe 7, and there is also a suitable space between the orifice pipe 7 and the flow pipe 10.
[0033] In summary: the mining fan silencer is provided with a honeycomb filter 4 to filter the air and a separator 5 to separate the air. The outer circle air passes through the spiral duct 6, and the inner circle air passes through the flow conduit 10 and the orifice duct 7. The fan is silenced by the flow conduction design and the orifice stacking design.
[0034] Working principle: the air inlet end is the left end of the filter 4, and the air passes through the filter 4 and the separator 5 in turn, and then part of the separated air enters the chamber inside the spiral duct 6 and part enters the flow duct 10. The air entering the flow duct 10 passes through the flow conduction hole to allow the air to enter the orifice duct 7, and then the air passes through the block 8 and the through hole 3 opened on the orifice duct 7 to allow the air to enter between the spiral duct 6 and the orifice duct 7. The above structure is used to slow down and silence the air with a large flow rate, and three layers of ducts and the outer shell 2 are provided to silence the air together, and then the air is discharged through the air outlet 3.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mine fan silencer, comprising a frame assembly and a silencer assembly, wherein the silencer assembly is fixedly mounted inside the frame assembly, and is characterized in that: The frame assembly includes a base, a housing is fixedly mounted on the upper end of the base, and an air outlet is fixedly mounted on the right side of the housing; The silencer assembly comprises a filter, a separator is fixedly mounted on the right end of the filter, a fixing ring is fixedly mounted on the right end of the separator, a spiral pipe, an orifice pipe and a flow conduit are fixedly mounted on the fixing ring, and a block is fixedly mounted on the orifice pipe.
2. A mining fan silencer according to claim 1, characterized in that: The filter is a honeycomb structure, with a plurality of through holes 1 at the left and right ends, and a plurality of through holes 2 of the same size at the top, bottom, front and rear ends, and each through hole 2 penetrates a row or a vertical through hole 1.
3. A mining fan silencer according to claim 1, characterized in that: The separator is a circular ring structure, and the outer surface of the spiral pipe is provided with a plurality of spiral strips distributed in a ring shape. The outer ring of the spiral strip is tightly fixed to the inner surface of the shell, and the outer ring of the filter is tightly fixed to the inside of the shell.
4. A mine fan silencer according to claim 1, characterized in that: A second through hole is provided inside the spiral pipe, and the outer ring of the fixing ring is fixedly installed inside the spiral pipe.
5. A mining fan silencer according to claim 1, characterized in that: A through hole three is opened on the orifice pipe wall, and a plurality of circles of blocks are fixedly installed on the orifice pipe. The blocks are stacked and distributed in each circle, and the through holes opened inside the blocks are completely consistent with and communicated with the through hole three opened on the orifice pipe wall.
6. A mine fan silencer according to claim 1, characterized in that: A through hole 4 is provided inside the flow conduit, a plurality of irregularly shaped flow-conducting through holes are provided on both sides of the flow conduit, and fixing rings are provided on both sides of the flow conduit.
7. A mine fan silencer according to claim 1, characterized in that: The outermost part on the right side of the silencer assembly is divided into a spiral pipe, followed by an orifice pipe and then a flow conduit pipe. The orifice pipe is fixedly installed on two fixing rings. There is a suitable space between the spiral pipe and the orifice pipe, and there is also a suitable space between the orifice pipe and the flow conduit pipe.