CN2175308Y - Combination type silencer - Google Patents
Combination type silencer Download PDFInfo
- Publication number
- CN2175308Y CN2175308Y CN 93234381 CN93234381U CN2175308Y CN 2175308 Y CN2175308 Y CN 2175308Y CN 93234381 CN93234381 CN 93234381 CN 93234381 U CN93234381 U CN 93234381U CN 2175308 Y CN2175308 Y CN 2175308Y
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- CN
- China
- Prior art keywords
- pipe
- sound
- spiral
- sound absorption
- shell
- 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.)
- Expired - Fee Related
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- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a combination type silencer, which can be widely used for centralized compulsory heat sinking, ventilation, and sound insulation after a compressor or a blower is soundproofed. The four basic modules of the silencer can be combined with various forms to form various combined type silencers for satisfying the requirements of the sound attenuation environment. The combination type silencer is composed of suspended hood components, fan components, spiral sound attenuation components and insert body sound attenuation components which are connected orderly, and has the advantages of big sound insulation amount, small windage, broad sound insulation frequency and great entire sound insulating effect. Particularly, a 180 DEG spiral sound insulation body has streamline form, ultrathin design, reasonable and novel structure, small windage, low cost and high durability without maintenance.
Description
The utility model relates to the airflow noise-elimination device of general machine such as air compressor, blower.
In recent years, noise pollution, be on the rise in cities and towns especially, a kind of public hazards have been become, but present noise abatement technology is also relatively backward, existing silencing apparatus ubiquity the shortcoming that sound deadening capacity is little, frequency of noise elimination is narrower, windage is big, volume is big and cost is high, and the silencing apparatus that is applicable to centralized forced heat radiation ventilation and various air noise elimination environment is never arranged.Being only applicable to middle and high frequency as cotton formula silencing apparatus eliminates the noise; Straighttube-type silencing apparatus sound deadening capacity is little, and because of the excessive noise elimination sometimes of caliber inefficacy; Then volume is big for chip, folded plate type, honeycomb and mazy type silencing apparatus, and windage is also big; The inapplicable air of anti-formula silencing apparatus is eliminated the noise, and middle and high frequency noise elimination weak effect; Little formula silencing apparatus is made complicated, the cost height; Complex muffler then volume is excessive.
The purpose of this utility model, be provide that a kind of sound deadening capacity is big, frequency of noise elimination broad, windage is little, volume is little and cost is low combined type silencing apparatus.
Solution of the present utility model is as follows.It is connected and composed successively by suction hood assembly, fan component, spiral sound attenuation assembly and slotting body sound attenuation assembly.The suction hood assembly has the suction hood that profile is oblique top four directions halfpace shape, and suction hood bottom and side direction have air sucking mouth and exhaust outlet; Fan component has sound absorption short tube shell, has the mask pipe in the sound absorption short tube shell, accompany glass wool pipe layer between sound absorption short tube shell and the mask pipe, sound absorption short tube shell and mask pipe two ends are connected with square flange and round flange respectively, have the two-sided ventilating fan that links to each other with square flange in the mask pipe, the mask pipe is connected with the exhaust outlet of suction hood by the perforate of square flange; The spiral sound attenuation assembly has sound absorption straight tube shell, has the mask pipe in the sound absorption straight tube shell, accompany glass wool pipe layer between sound absorption straight tube shell and the mask pipe, sound absorption straight tube shell and mask pipe two ends are connected with round flange respectively, in the mask pipe, have spiral muffler body and support that two ends link to each other with two round flanges respectively, the spiral muffler body also links to each other with support simultaneously, the curved plate face of spiral muffler body is by the perforation spiral plate at center, the wool fabric layer that paste the mutually perforation spiral plate both sides sound absorbing paint layer outer with being coated in the wool fabric layer formed, and the mask pipe of spiral sound attenuation assembly is connected by the perforate on two the adjacent round flanges in its end with the mask pipe of fan component; Insert the body sound attenuation assembly and have the sound absorption sleeve shell, in the sound absorption sleeve shell, has the perforated pipe that is circular cone shape, between perforated pipe and sound absorption sleeve shell, accompany glass wool pipe layer, be connected with round flange and the other end opens wide at an end of sound absorption sleeve shell and perforated pipe, the perforated pipe of inserting the body sound attenuation assembly is connected by the perforate on two the adjacent round flanges in its end with the mask pipe of spiral sound attenuation assembly, has the micropunch conical shell that the top links to each other with round flange in perforated pipe inside, micropunch conical shell bottom is connected with at the bottom of the conical shell and constitutes the circular cone muffler body jointly, then links to each other with the sound absorption sleeve shell by link at the bottom of the conical shell.
The utility model with said structure is when concrete the use, it can be contained in the sound insulation room air compressor in the room (or blower) etc. is carried out noise processed, and solve the ventilation and heat problem simultaneously, concrete way is, utilize cable channel or pipe trench transformation or newly-built underground air passage (the necessary sound absorption of do is handled) and lead to air compressor vibration isolate ditch all around, simultaneously at the overhead playscript with stage directions model utility device of installing of air compressor.Air arrives around the air compressor by underground air passage, a part enters air compressor, a part enters suction hood of the present utility model, again after two-way ventilating fan forced draft, partial noise is absorbed by the sound absorption short tube of being made up of sound absorption short tube shell, glass wool pipe layer and mask pipe eliminates the noise, and enters then in the spiral sound attenuation assembly.Because the turning effort of ventilating fan make that the air that enters in the spiral muffler body is a swirling eddy, and its sense of rotation is just in time consistent with the spiral muffler body, thereby is made resistance of air drop to minimum degree.At this moment, air-flow is eliminated the noise by the sound absorption straight tube of being made up of sound absorption straight tube shell, glass wool pipe layer and mask pipe on the one hand, on the other hand, because the effect of spiral muffler body, noise can not pass through unblockedly, eliminate the noise or be reflected and reflect and can only be absorbed, thereby the noise elimination effect improves greatly by the spiral muffler body.After air-flow comes out from the spiral sound attenuation assembly, noise cancellation major part, enter at last and insert the body sound attenuation assembly, around the circular cone muffler body, discharge the sound insulation room.When noise passes through to insert the body sound attenuation assembly, owing to be subjected to the reflection and the refraction action of circular cone muffler body, noise can not be led directly to over, be subjected to the sound absorption sleeve pipe formed by sound absorption sleeve shell, glass wool pipe layer and perforated pipe and the dual absorption of circular cone muffler body simultaneously and eliminate the noise, make slotting body sound attenuation assembly have advantages such as windage is little, sound deadening capacity is big, frequency of noise elimination is wide.In addition, owing to insert the section of body sound attenuation assembly final outlet circulation section less than the front silencing apparatus, so it also has contractibility, has strengthened acoustic attenuation performance.
The utility model is combined into one four basic modules, has the remarkable advantage that sound deadening capacity is big, windage is little, frequency of noise elimination is wide, and the effect of totally eliminating the noise is splendid.Streamlined and the ultrathin design of spiral muffler body particularly, novel and reasonable structure, windage is minimum.This device volume is little, and cost is low, need not keep in repair, and is durable in use, can be widely used in the centralized forced heat radiation ventilation in general machine sound insulation back and eliminate the noise.This silencing apparatus also has an outstanding advantage, four basic modules can be carried out multiple combination and constitute various combined type silencing apparatuss exactly, to adapt to various noise elimination environment, realize general forced ventilation noise eliminations such as sound insulation room (cover), blower, air compressor and ventilator etc. advance, exhaust port is eliminated the noise, and duct attenuation and air-conditioning are eliminated the noise or the like.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the sectional view of a kind of concrete structure of the present utility model.
Fig. 2 is the cutaway view Amplified image of the A place curved plate face structure of spiral muffler body among Fig. 1.
Reference character among the above-mentioned figure is: 1, suction hood, 2, the air sucking mouth, 3, exhaust outlet, 4, sound absorption short tube shell, 5,11, the mask pipe, 6,12,21, glass wool pipe layer, 7, square flange, 8,13,22, round flange, 9, two-way ventilating fan, 10, sound absorption straight tube shell, 14, the spiral muffler body, 15, support, 16, perforation spiral plate, 17, wool fabric layer, 18, the sound absorbing paint layer, 19, sound absorption sleeve shell, 20, perforated pipe, 23, the micropunch conical shell, 24, at the bottom of the conical shell, 25, circular cone muffler body, 26, the bolt and nut connection part.
Referring to Fig. 1, connection successively between suction hood assembly, fan component, spiral sound attenuation assembly and the slotting body sound attenuation assembly, be between the square flange (7) with suction hood (1) and fan component, between the round flange (13) with the round flange (8) of fan component and spiral sound attenuation assembly one end, between the round flange (22) with the round flange (13) of the spiral sound attenuation assembly the other end and slotting body sound attenuation assembly, adopt bolt and nut connection part (26) to link to each other respectively.The angle of swing of spiral muffler body (14) can be 180 °.
Claims (2)
1, a kind of combined type silencing apparatus that belongs to the airflow noise-elimination device is characterized in that, it is connected and composed successively by suction hood assembly, fan component, spiral sound attenuation assembly and slotting body sound attenuation assembly:
A) the suction hood assembly has the suction hood (1) that profile is oblique top four directions halfpace shape, and suction hood (1) bottom and side direction have air sucking mouth (2) and exhaust outlet (3);
B) fan component has sound absorption short tube shell (4), has mask pipe (5) in the sound absorption short tube shell (4), accompany glass wool pipe layer (6) between sound absorption short tube shell (4) and the mask pipe (5), sound absorption short tube shell (4) and mask pipe (5) two ends are connected with square flange (7) and round flange (8) respectively, have the two-sided ventilating fan (9) that links to each other with square flange (7) in mask pipe (5), mask pipe (5) is connected with the exhaust outlet (3) of suction hood (1) by the perforate of square flange (7);
C) the spiral sound attenuation assembly has sound absorption straight tube shell (10), has mask pipe (11) in the sound absorption straight tube shell (10), accompany glass wool pipe layer (12) between sound absorption straight tube shell (10) and the mask pipe (11), sound absorption straight tube shell (10) is connected with round flange (13) respectively with mask pipe (11) two ends, in mask pipe (11), have spiral muffler body (14) and support (15) that two ends link to each other with two round flanges (13) respectively, spiral muffler body (14) also links to each other with support (15) simultaneously, the curved plate face of spiral muffler body (14) is by the perforation spiral plate (16) at center, the wool fabric layer (17) that paste mutually perforation spiral plate (16) both sides and be coated in the outer sound absorbing paint layer (18) of wool fabric layer (17) and form, the mask pipe (11) of spiral sound attenuation assembly passes through two the adjacent round flanges (8 in its end with the mask pipe (5) of fan component, 13) perforate on and being connected;
D) insert the body sound attenuation assembly and have sound absorption sleeve shell (19), in sound absorption sleeve shell (19), has the perforated pipe (20) that is circular cone shape, between perforated pipe (20) and sound absorption sleeve shell (19), accompany glass wool pipe layer (21), be connected with round flange (22) and the other end is unlimited at an end of sound absorption sleeve shell (19) and perforated pipe (20), insert the perforated pipe (20) of body sound attenuation assembly and the mask pipe (11) of spiral sound attenuation assembly and pass through two the adjacent round flanges (13 in its end, 22) perforate on and being connected, has the micropunch conical shell (23) that the top links to each other with round flange (22) in perforated pipe (20) inside, micropunch conical shell (23) bottom is connected with at the bottom of the cone shell (24) and constitutes circular cone muffler body (25) jointly, and (24) then link to each other with sound absorption sleeve shell (19) by link at the bottom of the conical shell.
2, silencing apparatus as claimed in claim 1, it is characterized in that, between the square flange (7) with suction hood (1) and fan component, between the round flange (13) with the round flange (8) of fan component and spiral sound attenuation assembly one end, between the round flange (22) with the round flange (13) of the spiral sound attenuation assembly the other end and slotting body sound attenuation assembly, adopt bolt and nut connection part (26) to link to each other respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93234381 CN2175308Y (en) | 1993-07-23 | 1993-07-23 | Combination type silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93234381 CN2175308Y (en) | 1993-07-23 | 1993-07-23 | Combination type silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2175308Y true CN2175308Y (en) | 1994-08-24 |
Family
ID=33810072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93234381 Expired - Fee Related CN2175308Y (en) | 1993-07-23 | 1993-07-23 | Combination type silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2175308Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100706A (en) * | 2017-04-28 | 2017-08-29 | 江苏东泽环保科技有限公司 | New purification muffler |
| CN107452491A (en) * | 2016-05-31 | 2017-12-08 | 全球能源互联网研究院 | A kind of reactor noise reduction system |
| CN107842506A (en) * | 2017-11-01 | 2018-03-27 | 成都吱吖科技有限公司 | A kind of silencing means for screw compressor exit |
| CN109142030A (en) * | 2018-09-19 | 2019-01-04 | 陕西龙门钢铁有限责任公司 | A kind of sound arrester for drum unit |
-
1993
- 1993-07-23 CN CN 93234381 patent/CN2175308Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107452491A (en) * | 2016-05-31 | 2017-12-08 | 全球能源互联网研究院 | A kind of reactor noise reduction system |
| CN107452491B (en) * | 2016-05-31 | 2024-04-16 | 全球能源互联网研究院 | A noise reduction system for reactor |
| CN107100706A (en) * | 2017-04-28 | 2017-08-29 | 江苏东泽环保科技有限公司 | New purification muffler |
| CN107842506A (en) * | 2017-11-01 | 2018-03-27 | 成都吱吖科技有限公司 | A kind of silencing means for screw compressor exit |
| CN109142030A (en) * | 2018-09-19 | 2019-01-04 | 陕西龙门钢铁有限责任公司 | A kind of sound arrester for drum unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |