CN215445538U - Step-down exhaust device with high noise reduction - Google Patents
Step-down exhaust device with high noise reduction Download PDFInfo
- Publication number
- CN215445538U CN215445538U CN202120427791.1U CN202120427791U CN215445538U CN 215445538 U CN215445538 U CN 215445538U CN 202120427791 U CN202120427791 U CN 202120427791U CN 215445538 U CN215445538 U CN 215445538U
- Authority
- CN
- China
- Prior art keywords
- silencer
- noise reduction
- reduction
- noise
- exhaust device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to a high noise reduction step-down exhaust device; the traditional pressure reduction exhaust device has low noise reduction which is less than or equal to 40dB (A) usually, and is not provided with a flow guide elbow, so that other buildings or machines are easily damaged; the utility model comprises the following components: the lower silencer (1), the upper silencer (2) and the guide elbow (3) are provided with guide elbows, the noise reduction amount reaches (60-65) dB (A) through the two stages of silencers, high-temperature steam is discharged directionally, and nearby buildings or machines are prevented from being damaged by the steam.
Description
Technical Field
The utility model relates to a high-noise-reduction pressure-reduction exhaust device.
Background
The traditional pressure reduction exhaust device has low noise reduction which is less than or equal to 40dB (A) generally, and cannot meet the noise requirement under certain environment.
The traditional pressure-reducing exhaust device is not provided with a flow guide elbow for exhaust, and exhausted high-temperature steam is directly blown to other buildings or machines, so that the other buildings or machines are easily damaged.
Disclosure of Invention
The utility model aims to provide a decompression exhaust device with high noise reduction.
The above object is achieved by the following means.
A high-noise-reduction pressure reduction exhaust device is characterized in that: a step-down exhaust apparatus of high noise reduction volume constitute including lower part silencer (1), upper portion silencer (2) and direction elbow (3), steam pass through lower part silencer (1) step-down, the one-level falls and makes an uproar, pass through upper portion silencer (2) carry out the second grade and fall and make an uproar, pass through the exhaust elbow carry out the water conservancy diversion.
The high-noise-reduction pressure reduction exhaust device comprises: the silencer is characterized in that the lower silencer (1) has the functions of pressure reduction, pollution discharge and one-level noise reduction, an air inlet (1-2) is formed in the left end of the lower silencer (1), waste materials are discharged from a diffusion pipe (1-1) through a main pollution discharge pipe (1-6), water and waste materials in a silencer shell (1-7) are discharged through steam, the steam discharged from the diffusion pipe (1-1) is upwards discharged, one-level noise reduction is achieved through a plate-shaped silencer (1-8) and the silencer shell (1-7), and the lower silencer (1) is provided with an access door (1-5).
The high-noise-reduction pressure reduction exhaust device comprises: the upper silencer (2) has a two-stage noise reduction function, and the upper silencer (2) comprises a channel wall plate (2.1) and a matrix silencer (2.2).
The high-noise-reduction pressure reduction exhaust device comprises: the guide elbow (3) has a steam flow guiding function, the guide elbow (3) is of a single-plate structure, and reinforcing ribs are arranged outside the guide elbow (3).
The high-noise-reduction pressure reduction exhaust device comprises: the silencer shell (1-7) and the channel wall plate (2.1) are composed of three layers of structures, wherein the outer layer is a carbon steel plate, the middle part is filled with aluminum silicate cotton wrapped by high silica cloth, and the inner layer is a stainless steel pore plate, so that the effects of sound absorption and sound insulation can be realized.
The high-noise-reduction pressure reduction exhaust device comprises: the frame and the orifice plate of the plate-shaped silencer (1-8) are stainless steel plates, aluminum silicate cotton wrapped by high silica cloth is filled in the middle, and the noise reduction can reach 15dB (A).
The high-noise-reduction pressure reduction exhaust device comprises: the frame and the orifice plate of the matrix silencer (2.2) are both stainless steel plates, aluminum silicate cotton wrapped by high silica cloth is filled in the middle, and the noise reduction can reach 35dB (A).
The high-noise-reduction pressure reduction exhaust device comprises: the access door is composed of three layers, wherein the outer layer is a carbon steel plate, the middle part is filled with aluminum silicate cotton wrapped by high silica cloth, and the inner layer is a stainless steel pore plate.
Has the advantages that:
1. the high-noise-reduction-capacity pressure-reducing exhaust device has the advantages that the noise reduction of the two-stage silencer can reach 60-65 dB (A), and the noise reduction capacity is large.
2. The high-noise-reduction-capacity pressure-reducing exhaust device has the advantages that the silencing units, namely the plate-shaped silencer and the matrix silencer, are made of stainless steel materials, and the aluminum silicate cotton wrapped by high-silica cloth is filled in the silencing units, so that the device is corrosion-resistant, simple in structure, light in weight, convenient to install and the like.
3. The high-noise-reduction-capacity pressure-reduction exhaust device is provided with the flow guide elbow, high-temperature steam is discharged in a directional mode, and nearby buildings or machines are prevented from being damaged by the steam.
4. The high-noise-reduction-capacity pressure-reduction exhaust device is provided with the access door, and the interlayer is arranged in the access door, so that the sound insulation can be ensured while the access door is convenient to maintain.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a side view of the present invention;
Detailed Description
Example 1:
a high-noise-reduction pressure reduction exhaust device is characterized in that: a step-down exhaust guiding device of high noise reduction volume constitute including lower part silencer (1), upper portion silencer (2) and direction elbow (3), steam pass through lower part silencer (1) step-down, the one-level falls makes an uproar, pass through upper portion silencer (2) make an uproar and fall the second grade, through the exhaust elbow carry out the water conservancy diversion, fall the noise reduction volume (60~65) dB (A).
Example 2:
the high-noise-reduction pressure reduction exhaust device comprises: the silencer is characterized in that the lower silencer (1) has the functions of pressure reduction, pollution discharge and primary noise reduction, an air inlet (1-2) is formed in the left end of the lower silencer (1), waste materials are discharged from a diffusion pipe (1-1) through a main pollution discharge pipe (1-6), water and waste materials in a silencer shell (1-7) are discharged through steam, the steam discharged from the diffusion pipe (1-1) is upwards discharged, primary noise reduction is achieved through a plate-shaped silencer (1-8) and the silencer shell (1-7), and the lower silencer (1) is provided with an access door (1-5) noise reduction amount (25-30) dB (A).
Example 3:
the high-noise-reduction pressure reduction exhaust device comprises: the upper silencer (2) has a two-stage noise reduction function, the upper silencer (2) comprises a channel wall plate (2.1) and a matrix silencer (2.2), and the noise reduction can reach 35dB (A).
Example 4:
the high-noise-reduction pressure reduction exhaust device comprises: the guide elbow (3) has a steam flow guiding function, the guide elbow (3) is of a single-plate structure, reinforcing ribs are arranged outside the guide elbow, high-temperature steam is discharged in a directional mode, and nearby buildings or machines are prevented from being damaged by the steam.
Claims (6)
1. A high-noise-reduction pressure reduction exhaust device is characterized in that: the high-noise-reduction-capacity pressure reduction exhaust device comprises a lower silencer, an upper silencer and a guide elbow, steam is subjected to pressure reduction and primary noise reduction through the lower silencer, is subjected to secondary noise reduction through the upper silencer, and is guided through the guide elbow.
2. A high noise reduction step-down gas vent apparatus as set forth in claim 1, wherein: the silencer of lower part have step-down, blowdown and the one-level function of making an uproar that falls, the silencer left end of lower part is equipped with the air inlet, water and waste material discharge in the silencer shell are passed through main blow-off pipe discharge, drain pipe, blow-off pipe with the waste material to steam, upwards discharge from the steam of exhaust in the diffuser pipe, realize the one-level through slabby silencer and silencer shell and fall the noise, the silencer of lower part be equipped with the access door.
3. A high noise reduction step-down gas vent apparatus as set forth in claim 1, wherein: the upper silencer has a two-stage noise reduction function and comprises a channel wall plate and a matrix silencer.
4. A high noise reduction step-down gas vent apparatus as set forth in claim 1, wherein: the guide elbow has a steam flow guiding function, is of a single-plate structure, and is externally provided with a reinforcing rib.
5. A high noise reduction step-down gas vent apparatus as set forth in claim 1, wherein: the silencer shell and the channel wall plate are composed of three layers of structures, wherein the outer layer is a carbon steel plate, the middle part is filled with aluminum silicate cotton wrapped by high silica cloth, and the inner layer is a stainless steel pore plate, so that the effects of sound absorption and sound insulation can be realized.
6. A high noise reduction step-down gas vent apparatus as set forth in claim 2, wherein: the access door is composed of three layers, wherein the outer layer is a carbon steel plate, the middle part is filled with aluminum silicate cotton wrapped by high silica cloth, and the inner layer is a stainless steel pore plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120427791.1U CN215445538U (en) | 2021-02-27 | 2021-02-27 | Step-down exhaust device with high noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120427791.1U CN215445538U (en) | 2021-02-27 | 2021-02-27 | Step-down exhaust device with high noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215445538U true CN215445538U (en) | 2022-01-07 |
Family
ID=79702145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120427791.1U Active CN215445538U (en) | 2021-02-27 | 2021-02-27 | Step-down exhaust device with high noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215445538U (en) |
-
2021
- 2021-02-27 CN CN202120427791.1U patent/CN215445538U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202733311U (en) | Gas silencer | |
| CN207033547U (en) | A kind of honeycomb fashion muffler | |
| CN215445538U (en) | Step-down exhaust device with high noise reduction | |
| CN202946223U (en) | Sleeve-type silencer | |
| CN201072305Y (en) | Ventilation silencer for natural-draft cooling tower | |
| CN206384841U (en) | A kind of nitrogen making machine muffler | |
| CN204966041U (en) | Compound low noise muffler for unloading | |
| CN210516212U (en) | Multi-stage throttling and voltage-reducing impedance composite silencer device | |
| CN202181939U (en) | Foamed aluminium evacuation silencer | |
| CN217207040U (en) | Emptying silencer of magnetic suspension air blower for sewage treatment | |
| CN105526460B (en) | A kind of boiler blow piping noise reduction method | |
| CN111043437A (en) | Throttling pressure reduction-impedance composite exhaust emptying silencer | |
| CN207999554U (en) | A kind of muffling air duct | |
| CN212624791U (en) | Novel emptying silencer | |
| CN114233692A (en) | Emptying silencer of magnetic suspension air blower for sewage treatment | |
| CN205261123U (en) | Boiler blowpipe muffler | |
| CN203242331U (en) | Low-noise boiler chimney | |
| CN206246311U (en) | Air releasing silencer | |
| CN212407946U (en) | High-pressure gas exhaust silencer | |
| CN219712695U (en) | Silencer for gas pipeline | |
| CN202957038U (en) | Direct-discharging type silencer with annular close-drilling damping diffuser | |
| CN208075285U (en) | A kind of architectural engineering HVAC airflow muffler | |
| CN202559663U (en) | Variable pressure type exhaust passage | |
| CN206891220U (en) | A kind of large cooling column porting silencing apparatus | |
| CN201953454U (en) | Diffusing, buffering and air releasing silencer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |