CN220303090U - Medium-high pressure pneumatic silencer - Google Patents
Medium-high pressure pneumatic silencer Download PDFInfo
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- CN220303090U CN220303090U CN202322026251.4U CN202322026251U CN220303090U CN 220303090 U CN220303090 U CN 220303090U CN 202322026251 U CN202322026251 U CN 202322026251U CN 220303090 U CN220303090 U CN 220303090U
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- containing cavity
- silencing
- energy consumption
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- 230000003584 silencer Effects 0.000 title claims abstract description 16
- 230000030279 gene silencing Effects 0.000 claims abstract description 76
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000005265 energy consumption Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 description 59
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model provides a medium-high pressure pneumatic silencer, which comprises a fixed shell, and a primary silencing structure, a secondary silencing structure, a tertiary silencing structure and a quaternary silencing structure which are arranged in the fixed shell from bottom to top, wherein: the fixed shell comprises a silencing cover, a central positioning rod is arranged at the top of the silencing cover, an air inlet is arranged at the bottom of the silencing cover, and a plurality of air outlets are arranged on the side wall of the silencing cover; the first-stage silencing structure, the second-stage silencing structure, the third-stage silencing structure and the fourth-stage silencing structure respectively comprise an air accommodating cavity, a drainage porous plate and energy consumption steel shots. According to the high-pressure pneumatic silencer, the high-pressure gas (1.4 MPa-15 MPa) release noise is less than or equal to 85 dB through multistage airflow kinetic energy consumption and speed reduction. The device is used for silencing the medium-high pressure gas, so that noise and impact hazard caused by the release of the medium-high pressure gas can be effectively eliminated.
Description
Technical Field
The utility model relates to the technical field of noise reduction, in particular to a middle-high pressure pneumatic muffler.
Background
The hazards created by the release of high pressure gases mainly include: high decibel noise and sound wave pollution to the environment; high-frequency noise injures the nervous system of a person; high-frequency high-intensity vibration and pressure airflow impact harm to human body and equipment safety.
The reason why the release of the gas produces high decibel noise is: the high-pressure gas has short release time, the pressure is released instantaneously, and the kinetic energy is concentrated; the release of high-pressure gas is not hindered, the air flow keeps strong kinetic energy, and the flow speed is high; the high-pressure gas release lacks a larger receiving space, the release space is narrow, and the high-kinetic energy gas flow cannot timely and orderly diffuse to consume kinetic energy; when the high-pressure airflow is released, the kinetic energy of the airflow is not efficiently converted into other mechanical energy, the mechanical energy is not consumed, and the high-frequency strong noise is generated by strong friction of the high-speed airflow with high kinetic energy; the high-pressure air flow release lacks of blocking and isolating constraint and diversion, and the high-intensity noise is directly diffused without orderly consumption of kinetic energy.
In order to reduce the harm caused by medium-high pressure gas, the silencer needs to be subjected to silencing treatment, and the existing silencer has the defects of poor silencing treatment effect and the like.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a middle-high pressure pneumatic silencer for silencing middle-high pressure gas, so that the harm caused by the middle-high pressure gas is reduced.
The utility model provides a medium-high pressure pneumatic silencer, which comprises a fixed shell, and a primary silencing structure, a secondary silencing structure, a tertiary silencing structure and a quaternary silencing structure which are arranged in the fixed shell from bottom to top, wherein:
the fixed shell comprises a silencing cover, a central positioning rod is arranged at the top of the silencing cover, an air inlet is arranged at the bottom of the silencing cover, and a plurality of air outlets are arranged on the side wall of the silencing cover;
the primary silencing structure comprises a primary gas containing cavity, wherein the lower side of the primary gas containing cavity is connected with a primary drainage porous plate, and a plurality of primary energy consumption steel shots are placed in the primary gas containing cavity;
the secondary silencing structure comprises a secondary gas containing cavity, the lower side of the secondary gas containing cavity is connected with a secondary drainage porous plate, and a plurality of secondary energy consumption steel shots are placed in the secondary gas containing cavity;
the three-level silencing structure comprises a three-level gas containing cavity, wherein the lower side of the three-level gas containing cavity is connected with a three-level drainage porous plate, and a plurality of three-level energy consumption steel shots are placed in the three-level gas containing cavity;
the four-stage silencing structure comprises a four-stage gas containing cavity, wherein the lower side of the four-stage gas containing cavity is connected with a four-stage drainage porous plate, the upper side of the four-stage gas containing cavity is connected with a top drainage porous plate, and a plurality of four-stage energy consumption steel shots are placed in the four-stage gas containing cavity.
Preferably, the bottom of the silencing cover is provided with a mounting flange, and the mounting flange is connected to the bottom plate of the silencing cover through fastening bolts.
Preferably, the first-stage bleeder hole plate, the second-stage bleeder hole plate, the third-stage bleeder hole plate, the fourth-stage bleeder hole plate and the top bleeder hole plate are equipped with one-stage holding ring, second-stage holding ring, tertiary holding ring, fourth-stage holding ring and top holding ring in order, one-stage holding ring passes through the mounting bolt and is connected with the mounting flange, and second-stage holding ring passes through the mounting bolt and is connected with one-stage gas appearance chamber, and third-stage holding ring passes through the mounting bolt and is connected with third-stage gas appearance chamber, and top holding ring passes through the mounting bolt and is connected with fourth-stage gas appearance chamber, center locating lever and the center of top holding ring are equipped with and are connected.
Preferably, the bottom of the silencing cover is provided with a reducing port and an air inlet, the reducing port is connected with the mounting flange through a mounting bolt, the lower end of the reducing port is connected with the air inlet, and the lower end of the air inlet is provided with a pipeline connecting flange.
Preferably, the center positioning rod is connected to the top of the silencing cover through a positioning bolt.
Preferably, the primary air accommodating cavity, the secondary air accommodating cavity, the tertiary air accommodating cavity and the quaternary air accommodating cavity are round pipes with pipe diameters gradually increased.
Preferably, the first-level energy consumption steel shot, the second-level energy consumption steel shot, the third-level energy consumption steel shot and the fourth-level energy consumption steel shot are steel balls with gradually reduced ball diameters.
The working principle of the utility model is as follows: according to the high-pressure pneumatic silencer, high-pressure air flow is utilized to impact metal balls coated with rubber, and high-pressure air flow energy is converted into mechanical energy for consumption; gradually expanding the air flow release space step by using an inverted tower-shaped structure, and reducing the flow speed and the pressure; the tower-shaped structure is utilized to consume airflow kinetic energy in a grading manner, metal pills with various sizes are reasonably configured, the airflow kinetic energy is continuously consumed, the kinetic energy is converted into mechanical energy, the airflow speed is reduced, and noise reduction and pressure reduction are realized; by using the tower-shaped multi-interlayer and the porous structure, airflow noise and high-frequency vibration are absorbed.
The utility model has the beneficial effects that: the high-pressure pneumatic silencer of the utility model has the following application pressure range: 1.4 MPa-15 MPa. The device realizes that the high-pressure gas release noise is less than or equal to 85 dB through multistage airflow kinetic energy consumption and speed reduction. The device is used for silencing the medium-high pressure gas, so that the harm caused by the medium-high pressure gas can be effectively reduced.
Drawings
FIG. 1 is a perspective view of the structure of a high pressure pneumatic muffler of the present utility model;
FIG. 2 is a cross-sectional view of a high pressure pneumatic muffler structure A-A according to the present utility model;
FIG. 3 is a view showing the construction of the inside of the high pressure muffler according to the present utility model;
FIG. 4 is a schematic illustration of the gas flow path of the high pressure pneumatic muffler of the present utility model.
In the figure: the silencer comprises a fixed shell 1, a silencing cover 11, a central positioning rod 12, an air inlet 13, an air outlet 14, a mounting flange 15, a fastening bolt 16, a reducing port 17, a pipeline connecting flange 18 and a positioning bolt 19; the device comprises a primary silencing structure 2, a primary gas accommodating cavity 21, a primary drainage porous plate 22, a primary energy consumption steel shot 23 and a primary positioning ring 24; the secondary silencing structure 3, a secondary gas accommodating cavity 31, a secondary drainage porous plate 32, a secondary energy consumption steel shot 33 and a secondary positioning ring 34; the three-stage silencing structure 4, a three-stage gas accommodating cavity 41, a three-stage leakage porous plate 42, three-stage energy consumption steel shots 43 and a three-stage positioning ring 44; the four-stage silencing structure 5, a four-stage gas accommodating cavity 51, a four-stage drainage perforated plate 52, four-stage energy consumption steel shots 53, a top drainage perforated plate 54, a four-stage positioning ring 55 and a top positioning ring 56.
Detailed Description
In order to make the technical scheme of the utility model easier to understand, the technical scheme of the utility model is clearly and completely described by adopting a mode of a specific embodiment with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 to 4, the middle-high pressure pneumatic muffler of the present embodiment includes a fixed housing 1, and a primary silencing structure 2, a secondary silencing structure 3, a tertiary silencing structure 4 and a quaternary silencing structure 5 disposed in the fixed housing 1 from bottom to top, wherein:
the fixed shell 1 comprises a silencing cover 11, a central positioning rod 12 is arranged at the top of the silencing cover 11, an air inlet 13 is arranged at the bottom of the silencing cover 11, and a plurality of air outlet holes 14 are formed in the side wall of the silencing cover 11;
the primary silencing structure 2 comprises a primary gas cavity 21, wherein the lower side of the primary gas cavity 21 is connected with a primary drainage porous plate 22, and a plurality of primary energy consumption steel shots 23 are placed in the primary gas cavity 21;
the secondary silencing structure 3 comprises a secondary gas containing cavity 31, the lower side of the secondary gas containing cavity 31 is connected with a secondary drainage porous plate 32, and a plurality of secondary energy consumption steel shots 33 are placed in the secondary gas containing cavity 31;
the three-level silencing structure 4 comprises a three-level gas containing cavity 41, wherein the lower side of the three-level gas containing cavity 41 is connected with a three-level leakage flow perforated plate 42, and a plurality of three-level energy consumption steel shots 43 are placed in the three-level gas containing cavity 41;
the four-stage silencing structure 5 comprises a four-stage gas containing cavity 51, the lower side of the four-stage gas containing cavity 51 is connected with a four-stage drainage porous plate 52, the upper side of the four-stage gas containing cavity is connected with a top drainage porous plate 54, and a plurality of four-stage energy consumption steel shots 53 are placed in the four-stage gas containing cavity 51.
Example 2:
as shown in fig. 1 to 4, the middle-high pressure pneumatic muffler of the present embodiment includes a fixed housing 1, and a primary silencing structure 2, a secondary silencing structure 3, a tertiary silencing structure 4 and a quaternary silencing structure 5 disposed in the fixed housing 1 from bottom to top, wherein:
the fixed shell 1 comprises a silencing cover 11, a central positioning rod 12 is arranged at the top of the silencing cover 11, an air inlet 13 is arranged at the bottom of the silencing cover 11, and a plurality of air outlet holes 14 are formed in the side wall of the silencing cover 11;
the primary silencing structure 2 comprises a primary gas cavity 21, wherein the lower side of the primary gas cavity 21 is connected with a primary drainage porous plate 22, and a plurality of primary energy consumption steel shots 23 are placed in the primary gas cavity 21;
the secondary silencing structure 3 comprises a secondary gas containing cavity 31, the lower side of the secondary gas containing cavity 31 is connected with a secondary drainage porous plate 32, and a plurality of secondary energy consumption steel shots 33 are placed in the secondary gas containing cavity 31;
the three-level silencing structure 4 comprises a three-level gas containing cavity 41, wherein the lower side of the three-level gas containing cavity 41 is connected with a three-level leakage flow perforated plate 42, and a plurality of three-level energy consumption steel shots 43 are placed in the three-level gas containing cavity 41;
the four-stage silencing structure 5 comprises a four-stage gas containing cavity 51, the lower side of the four-stage gas containing cavity 51 is connected with a four-stage drainage porous plate 52, the upper side of the four-stage gas containing cavity is connected with a top drainage porous plate 54, and a plurality of four-stage energy consumption steel shots 53 are placed in the four-stage gas containing cavity 51.
The bottom of the silencing cover 11 is provided with a mounting flange 15, and the mounting flange 15 is connected to the bottom plate of the silencing cover 11 through a fastening bolt 16. The bottom of the silencing cover 11 is provided with a reducing port 17 and an air inlet 13, the reducing port 17 is connected with a mounting flange 15 through a mounting bolt, the lower end of the reducing port 17 is connected with the air inlet 13, and the lower end of the air inlet 13 is provided with a pipeline connecting flange 18. The center positioning rod 12 is connected to the top of the noise reduction cover 11 through a positioning bolt 19.
The primary positioning ring 24, the secondary positioning ring 34, the tertiary positioning ring 44, the quaternary positioning ring 55 and the top positioning ring 56 are sequentially assembled on the primary drainage porous plate 22, the secondary drainage porous plate 32, the tertiary drainage porous plate 42, the quaternary drainage porous plate 52 and the top drainage porous plate 54, the primary positioning ring 24 is connected with the mounting flange 15 through mounting bolts, the secondary positioning ring 34 is connected with the primary air cavity 21 through mounting bolts, the tertiary positioning ring 44 is connected with the secondary air cavity 31 through mounting bolts, the quaternary positioning ring 55 is connected with the tertiary air cavity 41 through mounting bolts, the top positioning ring 56 is connected with the quaternary air cavity 51 through mounting bolts, and the center positioning rod 12 is assembled and connected with the center of the top positioning ring 56. The primary air accommodating cavity 21, the secondary air accommodating cavity 31, the tertiary air accommodating cavity 41 and the quaternary air accommodating cavity 51 are round pipes with pipe diameters gradually increased. The first-stage energy consumption steel shot 23, the second-stage energy consumption steel shot 33, the third-stage energy consumption steel shot 43 and the fourth-stage energy consumption steel shot 53 are steel balls with gradually reduced ball diameters.
It should be noted that the embodiments described herein are only some embodiments of the present utility model, not all the implementation manners of the present utility model, and the embodiments are only exemplary, and are only used for providing a more visual and clear way of understanding the present disclosure, not limiting the technical solution described in the present utility model. All other embodiments, and other simple alternatives and variations of the inventive solution, which would occur to a person skilled in the art without departing from the inventive concept, are within the scope of the utility model.
Claims (7)
1. The utility model provides a well high pressure pneumatic muffler, its characterized in that, includes fixed shell (1) and locates first order amortization structure (2), second grade amortization structure (3), tertiary amortization structure (4) and four-stage amortization structure (5) in fixed shell (1) from bottom to top, wherein:
the fixed shell (1) comprises a silencing cover (11), a central positioning rod (12) is arranged at the top of the silencing cover (11), an air inlet (13) is arranged at the bottom of the silencing cover (11), and a plurality of air outlet holes (14) are formed in the side wall of the silencing cover (11);
the primary silencing structure (2) comprises a primary gas containing cavity (21), wherein the lower side of the primary gas containing cavity (21) is connected with a primary drainage porous plate (22), and a plurality of primary energy consumption steel shots (23) are placed in the primary gas containing cavity (21);
the secondary silencing structure (3) comprises a secondary gas containing cavity (31), the lower side of the secondary gas containing cavity (31) is connected with a secondary drainage porous plate (32), and a plurality of secondary energy consumption steel shots (33) are placed in the secondary gas containing cavity (31);
the three-level silencing structure (4) comprises a three-level gas containing cavity (41), wherein the lower side of the three-level gas containing cavity (41) is connected with a three-level leakage porous plate (42), and a plurality of three-level energy consumption steel shots (43) are placed in the three-level gas containing cavity (41);
the four-stage silencing structure (5) comprises a four-stage gas containing cavity (51), a four-stage drainage perforated plate (52) is connected to the lower side of the four-stage gas containing cavity (51), a top drainage perforated plate (54) is connected to the upper side of the four-stage gas containing cavity, and a plurality of four-stage energy consumption steel shots (53) are placed in the four-stage gas containing cavity (51).
2. The medium-high pressure pneumatic silencer as claimed in claim 1, wherein the bottom of the silencing cover (11) is provided with a mounting flange (15), and the mounting flange (15) is connected to the bottom plate of the silencing cover (11) through fastening bolts (16).
3. The medium-high pressure pneumatic silencer as claimed in claim 2, wherein the first-stage bleeder plate (22), the second-stage bleeder plate (32), the third-stage bleeder plate (42), the fourth-stage bleeder plate (52) and the top bleeder plate (54) are sequentially provided with a first-stage positioning ring (24), a second-stage positioning ring (34), a third-stage positioning ring (44), a fourth-stage positioning ring (55) and a top positioning ring (56), the first-stage positioning ring (24) is connected with the mounting flange (15) through a mounting bolt, the second-stage positioning ring (34) is connected with the first-stage gas containing cavity (21) through a mounting bolt, the third-stage positioning ring (44) is connected with the second-stage gas containing cavity (31) through a mounting bolt, the fourth-stage positioning ring (55) is connected with the third-stage gas containing cavity (41) through a mounting bolt, the top positioning ring (56) is connected with the fourth-stage gas containing cavity (51) through a mounting bolt, and the center positioning rod (12) is connected with the center of the top positioning ring (56).
4. The medium-high pressure pneumatic silencer as claimed in claim 2, wherein the bottom of the silencing cover (11) is provided with a reducing port (17) and an air inlet (13), the reducing port (17) is connected with the mounting flange (15) through a mounting bolt, the lower end of the reducing port (17) is connected with the air inlet (13), and the lower end of the air inlet (13) is provided with a pipeline connecting flange (18).
5. Medium-high pressure pneumatic muffler according to claim 1, characterized in that the centering rod (12) is connected to the top of the muffler shell (11) by means of a positioning bolt (19).
6. The medium-high pressure pneumatic silencer as claimed in claim 1, wherein the primary air chamber (21), the secondary air chamber (31), the tertiary air chamber (41) and the quaternary air chamber (51) are round tubes with the tube diameters gradually increased.
7. The medium-high pressure pneumatic silencer as claimed in claim 1, wherein the primary energy consumption steel shot (23), the secondary energy consumption steel shot (33), the tertiary energy consumption steel shot (43) and the quaternary energy consumption steel shot (53) are steel balls with gradually reduced ball diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026251.4U CN220303090U (en) | 2023-07-31 | 2023-07-31 | Medium-high pressure pneumatic silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322026251.4U CN220303090U (en) | 2023-07-31 | 2023-07-31 | Medium-high pressure pneumatic silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220303090U true CN220303090U (en) | 2024-01-05 |
Family
ID=89350611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322026251.4U Active CN220303090U (en) | 2023-07-31 | 2023-07-31 | Medium-high pressure pneumatic silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220303090U (en) |
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2023
- 2023-07-31 CN CN202322026251.4U patent/CN220303090U/en active Active
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