CN215444483U - Noise reduction system for asphalt mixing plant - Google Patents
Noise reduction system for asphalt mixing plant Download PDFInfo
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- CN215444483U CN215444483U CN202121815415.6U CN202121815415U CN215444483U CN 215444483 U CN215444483 U CN 215444483U CN 202121815415 U CN202121815415 U CN 202121815415U CN 215444483 U CN215444483 U CN 215444483U
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- proof housing
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Abstract
The utility model discloses a noise reduction system for an asphalt mixing plant, which comprises a sound-proof shield for covering the outer side of an induced draft fan, wherein the opening of the sound-proof shield faces the ground, a sound-proof layer for reducing noise is arranged on each inner wall of the sound-proof shield, the sound-proof layer comprises a plurality of sound-proof strips, and each sound-proof strip is detachably connected to the inner wall of the sound-proof shield through a connecting piece. After the induced draft fan is covered by the sound-proof housing, noise emitted by the induced draft fan can be absorbed by the sound-proof layer in the sound-proof housing, and the noise is reduced and transmitted to the outside, so that the damage of the noise to the hearing of workers is reduced.
Description
Technical Field
The application relates to the field of asphalt processing, in particular to a noise reduction system for an asphalt mixing plant.
Background
The asphalt mixing plant is production equipment for producing asphalt finished products, and a large amount of dust can be generated in the production process of the finished products, so that the asphalt mixing plant usually adopts an induced draft fan to discharge the dust in time.
At present, the patent with publication number CN208786114U discloses a flue gas treatment system for asphalt mixing plant, which comprises a shell defining a loading area and a flue gas trapping device, wherein the flue gas trapping device comprises a gas collecting hood, an induction fan set and an exhaust fan, the gas collecting hood is provided with an air inlet communicated with the inside of the shell and an air outlet used for guiding flue gas to the outside of the shell, and the exhaust fan is connected with the air outlet of the gas collecting hood through a flue.
With respect to the above-described related art, the inventors consider that the following drawbacks exist: the exhaust fan can generate larger noise during working, and workers can damage the hearing of the workers when being in the environment for a long time, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
In order to reduce the damage that the noise of draught fan caused workman's hearing, this application provides a noise reduction system for asphalt mixing plant.
The utility model provides an asphalt mixing plant uses noise reduction system, is including being used for the sound-proof housing of cage in the draught fan outside, the opening of sound-proof housing is towards ground, all install the puigging that is used for making an uproar to fall on every inner wall of sound-proof housing, the puigging includes a plurality of sound-proof strip, every the sound-proof strip all can dismantle through the connecting piece and connect on the inner wall of sound-proof housing.
Through adopting above-mentioned technical scheme, behind the draft fan cage cover through the sound-proof housing, the puigging in the sound-proof housing can absorb the noise that the draft fan sent, and the reduction noise passes to the external world to reduce the damage that the noise caused workman's hearing.
Optionally, the connecting piece includes connecting plate and connecting strip, the sound-proof strip is connected in one side of connecting plate, the connecting strip is connected in one side that the connecting plate deviates from the sound-proof strip, a plurality of supplies connecting strip male spread groove has been seted up on the inside wall of sound-proof housing, the inside wall of spread groove is hugged closely with the lateral wall of connecting strip.
Through adopting above-mentioned technical scheme, the sound-proof strip is installed on the connecting plate, inserts the connecting strip in the spread groove after that, has frictional force between the inside wall of spread groove and the lateral wall of connecting strip to install the connecting plate at the inside wall of sound-proof housing, after the sound-proof strip is ageing, only need pull down the sound-proof strip that can renew, labour saving and time saving from the sound-proof housing inner wall with the connecting plate.
Optionally, the connecting groove is connected with the spliced pole between two inner walls in opposite directions, the reinforced groove that supplies the spliced pole card to go into is seted up to the connecting strip one side that deviates from the connecting plate, the diapire in reinforced groove is connected with fixed suction cup.
Through adopting above-mentioned technical scheme, with the connecting strip insert the spread groove in the back, the spliced pole card is gone into the reinforcing inslot, and the fixed suction cup of reinforcing inslot adsorbs on the lateral wall of spliced pole to improve the firm in connection nature between connecting strip and the spread groove.
Optionally, a fixing screw rod is arranged on one side, facing the bottom wall of the reinforcing groove, of the fixing sucker, and a fixing hole in threaded connection with the fixing screw rod is formed in the bottom wall of the reinforcing groove.
Through adopting above-mentioned technical scheme, damage the back when fixed suction cup, back with fixing screw back-out fixed orifices, can follow the fixed suction cup and tear open in consolidating the inslot to be convenient for more renew fixed suction cup.
Optionally, the access hole has been seted up to the lateral wall of sound-proof housing, it has the access door that is used for sealing the access hole to articulate on the lateral wall of sound-proof housing, the expansion end of access door passes through the locating part and can dismantle with the sound-proof housing lateral wall and be connected.
Through adopting above-mentioned technical scheme, when overhauing the draught fan, the workman can open the access door through the locating part to overhaul labour saving and time saving to the draught fan in getting into the sound-proof housing through the access hole.
Optionally, the limiting part includes a limiting screw rod connected with the lateral wall of the sound-proof housing, a limiting plate and a limiting cylinder for abutting against the limiting plate, the limiting plate is connected to the movable end of the access door, a limiting hole for the limiting screw rod to be clamped in is formed in the limiting plate, and the limiting cylinder is sleeved on the limiting screw rod and is in threaded connection with the limiting screw rod.
Through adopting above-mentioned technical scheme, when closing the access door, rotate the access door for the access door is hugged closely with the lateral wall of sound-proof housing, makes spacing screw card go into spacing downthehole on the limiting plate simultaneously, screws spacing section of thick bamboo after that, makes spacing section of thick bamboo support tight limiting plate, thereby restriction access door rotates.
Optionally, the outer side wall of the limiting cylinder is provided with two force applying blocks at intervals along the circumferential direction.
Through adopting above-mentioned technical scheme, the workman supports the power piece with the finger, can screw a spacing section of thick bamboo, need not with the help of extra instrument, improves the installation effectiveness of a spacing section of thick bamboo.
Optionally, an observation port for observing the induced draft fan is formed in the access door, and a transparent observation plate is installed in the observation port.
Through adopting above-mentioned technical scheme, the workman can be through the behavior of viewing aperture direct observation draught fan, need not to open the access door, labour saving and time saving.
In summary, the present application includes at least one of the following beneficial technical effects:
after the induced draft fan is covered by the sound-proof cover, the sound-proof layer in the sound-proof cover can absorb noise emitted by the induced draft fan and reduce the noise transmitted to the outside, so that the damage of the noise to the hearing of workers is reduced;
the sound insulation strips are arranged on the connecting plate, then the connecting strips are inserted into the connecting grooves, and friction force exists between the inner side walls of the connecting grooves and the outer side walls of the connecting strips, so that the connecting plate is arranged on the inner side walls of the sound insulation cover, and after the sound insulation strips are aged, the connecting plate can be replaced by a new sound insulation strip only by being detached from the inner walls of the sound insulation cover, and time and labor are saved;
when closing the access door, rotate the access door for the access door is hugged closely with the lateral wall of sound-proof housing, makes spacing screw card simultaneously and goes into spacing downthehole on the limiting plate, screws spacing section of thick bamboo after that, makes spacing section of thick bamboo support tight limiting plate, thereby restriction access door rotates.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is an exploded view of an access door and a retainer in an embodiment of the present application.
Fig. 3 is an exploded view of an embodiment of the present application from a bottom perspective.
Fig. 4 is an exploded view of the acoustical layer and the connecting member in the embodiment of the present application.
Description of reference numerals:
1. a sound-proof housing; 11. connecting grooves; 12. connecting columns; 13. an access hole; 2. a sound insulating layer; 21. a sound insulating strip; 3. a connecting member; 31. a connecting plate; 32. a connecting strip; 321. a reinforcing groove; 322. a fixing hole; 33. fixing the sucker; 34. fixing the screw rod; 4. an access door; 41. a viewing port; 42. an observation plate; 5. a limiting member; 51. a limit screw; 52. a limiting plate; 521. a limiting hole; 53. a limiting cylinder; 531. and a force application block.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses noise reduction system for asphalt mixing plant. Referring to fig. 1, the sound-proof housing 1 is provided to cover an outer side of the induced draft fan, and the sound-proof housing 1 is rectangular, and the sound-proof housing 1 is hollow and has an opening facing the ground. All install on all inner walls of sound-proof housing 1 and be used for falling the puigging 2 that makes an uproar, puigging 2 can reduce the noise and pass to the external world to reduce the influence of noise to the workman.
Referring to fig. 1 and 2, the outer wall of one side of the sound-proof housing 1 is provided with a rectangular access opening 13, and a worker can enter the sound-proof housing 1 through the access opening 13 to overhaul the induced draft fan. Articulated on the lateral wall of sound-proof housing 1 have be used for sealing access door 4 that is the rectangle of access hole 13, access door 4 towards the inside one side fixedly connected with soundproof cotton of sound-proof housing 1, therefore access door 4 has good syllable-dividing effect equally. Offer the viewing aperture 41 that is used for observing the draught fan on the access door 4, viewing aperture 41 is the rectangle, fixedly connected with observation panel 42 in the viewing aperture 41, and observation panel 42 is made by clear glass. The workman can be through the behavior of viewing aperture 41 direct observation draught fan, labour saving and time saving.
Referring to fig. 2, the expansion end of the access door 4 is detachably connected with the outer side wall of the soundproof cover 1 through a limiting part 5, and the limiting part 5 comprises a limiting screw 51 fixedly connected with the outer side wall of the soundproof cover 1 in the horizontal direction, a rectangular limiting plate 52 fixedly connected with the expansion end of the access door 4, and a limiting cylinder 53 for abutting against the limiting plate 52. The limiting plate 52 is provided with a limiting hole 521 for the limiting screw 51 to be clamped in along the width direction, the limiting cylinder 53 is sleeved on the limiting screw 51 and is in threaded connection with the limiting screw 51, and the outer side wall of the limiting cylinder 53 is fixedly connected with two force applying blocks 531 at intervals along the circumferential direction. The inspection door 4 is rotated after the completion is overhauled the draught fan for access door 4 seals access hole 13, and limiting screw 51 card is gone into in the spacing hole 521 on the limiting plate 52 simultaneously, and then establish spacing section of thick bamboo 53 on limiting screw 51 and screw with the hand, thereby makes spacing section of thick bamboo 53 support tight limiting plate 52, and restriction access door 4 rotates.
Referring to fig. 3, soundproof layer 2 includes that a plurality of is the soundproof strip 21 of rectangle, and soundproof strip 21 is made by the soundproof cotton material, and each soundproof strip 21 all can dismantle through connecting piece 3 and connect on the inner wall of sound-proof housing 1. When one of the soundproof strips 21 is damaged, it can be replaced individually without replacing the whole soundproof layer 2.
Referring to fig. 3 and 4, the connecting member 3 includes a rectangular connecting plate 31 and a connecting strip 32 fixedly connected to one side of the connecting plate 31, the soundproof strips 21 are adhered to one side of the connecting plate 31 departing from the connecting strip 32 through glue, a plurality of connecting grooves 11 for inserting the connecting strip 32 are arranged on each inner side wall of the soundproof cover 1 along the length direction of the connecting grooves at intervals, and the inner side walls of the connecting grooves 11 are tightly attached to the outer side walls of the connecting strips 32. The connecting column 12 with a rectangular cross section is fixedly connected between the two opposite inner walls of the connecting groove 11, one side of the connecting strip 32 departing from the connecting plate 31 is provided with a reinforcing groove 321 for clamping the connecting column 12, and the bottom wall of the reinforcing groove 321 is provided with a fixed sucker 33 which is adsorbed on the outer side wall of the connecting column 12. When the connecting strip 32 is clamped into the connecting groove 11, the connecting column 12 is also clamped into the reinforcing groove 321, so that the fixing sucker 33 in the reinforcing groove 321 is squeezed by the connecting column 12 and then is adsorbed on the outer side wall of the connecting column 12, the connecting column 12 is limited to be easily separated from the reinforcing groove 321, and the connection firmness of the connecting strip 32 in the connecting groove 11 is improved.
Referring to fig. 4, a fixing screw 34 is fixedly connected to one side of the fixing suction cup 33 facing the bottom wall of the reinforcing groove 321, and a fixing hole 322 in threaded connection with the fixing screw 34 is formed in the bottom wall of the reinforcing groove 321. When the fixed suction cup 33 is damaged, the fixed screw 34 is screwed out of the fixing hole 322, so that the fixed suction cup 33 can be detached from the reinforcing groove 321, thereby facilitating the replacement of a new fixed suction cup 33.
The implementation principle of the noise reduction system for the asphalt mixing plant in the embodiment of the application is as follows: after the sound-proof housing 1 covers the induced draft fan, the noise that the induced draft fan sent can be absorbed by the puigging 2 in the sound-proof housing 1, and the noise is reduced and is passed to the external world to reduce the damage that the noise caused workman's hearing.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an asphalt mixing plant uses noise reduction system which characterized in that: including being used for the sound-proof housing (1) of cage in the draught fan outside, the opening of sound-proof housing (1) is towards ground, all install on every inner wall of sound-proof housing (1) and be used for noise reduction puigging (2), puigging (2) include a plurality of sound-proof strip (21), every sound-proof strip (21) all can dismantle through connecting piece (3) and connect on the inner wall of sound-proof housing (1).
2. The noise reduction system for asphalt mixing plants according to claim 1, wherein: connecting piece (3) are including connecting plate (31) and connecting strip (32), give sound insulation strip (21) and connect in one side of connecting plate (31), connecting strip (32) are connected in one side that deviates from give sound insulation strip (21) in connecting plate (31), a plurality of supplies connecting strip (32) male connecting groove (11) has been seted up on the inside wall of sound-proof housing (1), the inside wall of connecting groove (11) is hugged closely with the lateral wall of connecting strip (32).
3. The noise reduction system for asphalt mixing plants according to claim 2, wherein: connecting groove (11) are connected with spliced pole (12) between two inner walls in opposite directions, reinforced groove (321) that supply spliced pole (12) card to go into are seted up to one side that connecting strip (32) deviate from connecting plate (31), the diapire in reinforced groove (321) is connected with fixed suction cup (33).
4. The noise reduction system for asphalt mixing plants according to claim 3, wherein: and a fixing screw rod (34) is arranged on one side of the fixing sucker (33) facing the bottom wall of the reinforcing groove (321), and a fixing hole (322) in threaded connection with the fixing screw rod (34) is formed in the bottom wall of the reinforcing groove (321).
5. The noise reduction system for asphalt mixing plants according to claim 1, wherein: the access hole (13) has been seted up to the lateral wall of sound-proof housing (1), articulated on the lateral wall of sound-proof housing (1) have access door (4) that are used for sealing access hole (13), the expansion end of access door (4) passes through locating part (5) and can dismantle with sound-proof housing (1) lateral wall and be connected.
6. The noise reduction system for asphalt mixing plants according to claim 5, wherein: the locating part (5) includes limiting screw (51) and limiting plate (52) of being connected with the lateral wall of sound-proof housing (1) and is used for supporting the spacing section of thick bamboo (53) of tight limiting plate (52), limiting plate (52) are connected in the expansion end of access door (4), set up spacing hole (521) that supply limiting screw (51) card to go into on limiting plate (52), limiting cylinder (53) cover locate on limiting screw (51) and with limiting screw (51) threaded connection.
7. The noise reduction system for asphalt mixing plants according to claim 6, wherein: the outer side wall of the limiting cylinder (53) is provided with two force applying blocks (531) at intervals along the circumferential direction.
8. The noise reduction system for asphalt mixing plants according to claim 5, wherein: offer on access door (4) and be used for observing observation opening (41) of draught fan, install transparent observation board (42) in observation opening (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815415.6U CN215444483U (en) | 2021-08-04 | 2021-08-04 | Noise reduction system for asphalt mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121815415.6U CN215444483U (en) | 2021-08-04 | 2021-08-04 | Noise reduction system for asphalt mixing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444483U true CN215444483U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121815415.6U Active CN215444483U (en) | 2021-08-04 | 2021-08-04 | Noise reduction system for asphalt mixing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215444483U (en) |
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2021
- 2021-08-04 CN CN202121815415.6U patent/CN215444483U/en active Active
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Address after: 325600 west head of Damen bridge, Ximen village, Weng long street, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Jianling New Materials Co.,Ltd. Address before: 325600 west head of Damen bridge, Ximen village, Weng long street, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: Yueqing Jianling Asphalt Concrete Co.,Ltd. |