CN214305870U - Combined type quick-connection type silencing and noise-reducing device applied to air pipe - Google Patents
Combined type quick-connection type silencing and noise-reducing device applied to air pipe Download PDFInfo
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- CN214305870U CN214305870U CN202022962956.3U CN202022962956U CN214305870U CN 214305870 U CN214305870 U CN 214305870U CN 202022962956 U CN202022962956 U CN 202022962956U CN 214305870 U CN214305870 U CN 214305870U
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Abstract
The utility model discloses a be applied to amortization of combination formula, fast type of making an uproar and fall device of making an uproar in tuber pipe in water treatment facilities falls device field, including supporting horizontal pole and staple bolt, it is provided with first pipeline to support horizontal pole top one side, it is provided with the second pipeline to support horizontal pole top opposite side, it is square structure to support the horizontal pole, support the horizontal pole with first pipeline and all be provided with between the second pipeline the staple bolt. The utility model discloses an at existing pipeline middle part installation amortization noise reduction device, can reduce the vibration that the tuber pipe operation in-process produced to the influence of peripheral current structures high-efficiently, safely, reduce the operation and produce the noise decibel value to ensure that factory boundary noise is up to standard.
Description
Technical Field
The utility model relates to a water treatment facilities device field of making an uproar that falls specifically is a device of making an uproar falls in amortization of combination formula, fast type of connecing in being applied to the tuber pipe.
Background
During the operation of the deep-bed filter, on one hand, suspended matters in water are continuously retained in a filter material layer, and on the other hand, solid particles increased by denitrification reaction are continuously accumulated in the filter bed to block gaps among filter materials, so that the head loss is increased, and the water passing rate is reduced, therefore, the regular backwashing is the basis of the operation of the filter.
Because of high solid load and deep bed body, the backwashing generally adopts several high-strength modes of air washing, water washing and steam-water shuffling, and the sewage after the backwashing generally returns to a front-stage biological treatment unit. In the process, the air pipe generates serious vibration noise when air washing and air-water shuffling are carried out, so that the factory boundary noise far exceeds a limit value, and influences the factory environment and occupational health are generated, and the method is mainly characterized in that: (1) the running vibration noise of the blower; (2) resonance noise of air in the air duct and the duct wall; (3) the air pipe and the fixing device are vibrated and collided; (4) when the locking and fixing are carried out, the spring can scratch the fixing component, so that the locking and fixing device is not practical. Therefore, the technical personnel in the field provide a combined type quick-connecting type noise reduction device applied in the wind pipe to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to amortization noise reduction device of combination formula, fast type of connecing in the tuber pipe to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a be applied to amortization of combination formula, fast type of connecing and fall device of making an uproar in tuber pipe, is including supporting horizontal pole and staple bolt, it is provided with first pipeline to support horizontal pole top one side, it is provided with the second pipeline to support horizontal pole top opposite side, it is square structure to support the horizontal pole, support the horizontal pole with first pipeline and all be provided with between the second pipeline the staple bolt, the staple bolt is U type structure, the staple bolt lower extreme passes be provided with the rotation carriage behind the support horizontal pole, rotate the inside carousel that is provided with of carriage, the carousel below is provided with the spring, staple bolt below periphery is located the spring below is provided with lock nut.
As a further aspect of the present invention: the locking nut is connected with the hoop through threads, the spring is connected with the locking nut and the rotary table in a clamping and pressing mode, the rotary table is rotationally connected with the rotary supporting frame, and inner holes of the rotary supporting frame, the rotary table and the supporting cross rod are all larger than the outer diameter of the hoop; can pass through lock nut is fixed first pipeline with during the second pipeline, the spring top the carousel can rotate the inside rotation of carriage, and then avoid the spring direct with support the horizontal pole contact, not only can play locking effect not hard up, can protect supporting the horizontal pole moreover, extremely practical.
As a further aspect of the present invention: first pipeline one side is provided with silencer in advance, silencer in advance with be provided with flexible joint between the second pipeline, flexible joint with the second pipeline and silencer in advance all passes through the flange piece to be connected, first pipeline with silencer in advance passes through the flange piece to be connected.
As a further aspect of the present invention: the flexible joint adopts a rubber flexible joint, the pre-silencer adopts a resistance silencer, the pre-silencer comprises forms of a resistance silencer, an impedance composite silencer, a micro-perforated plate silencer, a small hole silencer, an active silencer and the like, the noise in the pipeline is attenuated or reflected back by the sound absorption lining attached to the interior of the pipeline or the noise reduction devices such as the pipeline with suddenly changed sectional area and discontinuous other acoustic impedance, thereby achieving the silencing effect, the soft joint comprises a rubber tube soft joint, a rubber joint and a rubber soft joint, the flexible joint has the advantages that the flexible joint can be connected with an original air pipe through flange bolts in the form of a flexible joint, a high-pressure rubber joint, a rubber shock absorber and the like, vibration and noise are reduced, and meanwhile, the flexible joint can compensate expansion with heat and contraction with cold caused by temperature change, and the generation of gaps is reduced.
As a further aspect of the present invention: the supporting device is characterized in that supporting vertical rods are fixedly connected to four corners below the supporting transverse rods, supporting top plates are fixedly connected to the lower portions of the supporting vertical rods, shock absorbers are fixedly connected to four corners below the supporting top plates, and supporting bottom plates are arranged below the shock absorbers.
As a further aspect of the present invention: the shock absorbers are made of rubber materials, and the supporting cross rods and the supporting vertical rods are welded by adopting square steel of 50mm multiplied by 50 mm; the supporting cross rod and the supporting vertical rod are used for fixing and supporting the main noise reduction body component.
As a further aspect of the present invention: the shock absorber comprises rubber, a lead core and spring damping, and achieves shock absorption and isolation functions through large displacement shear deformation and hysteretic energy dissipation of shock absorption materials in the horizontal direction, so that propagation of noise vibration of the device is further reduced, vertical rigidity is stable, vertical bearing effect is good, horizontal rigidity is moderate, conventional displacement requirements are met, temperature application range is wide, and the shock absorber has the characteristics of convenience in installation, overhaul and replacement and low operation and maintenance cost.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model can efficiently and safely reduce the influence of the vibration generated in the operation process of the air pipe on the peripheral existing structures by installing the noise reduction device at the middle part of the existing pipeline, and reduce the decibel value of the noise generated in operation, thereby ensuring that the factory noise reaches the standard;
2. the utility model discloses well pre-silencer makes the interior noise of pipeline obtain the decay or reflect back through its inside sound absorption lining that attaches or utilize the sectional area to change suddenly and other noise reduction devices such as the discontinuous pipeline of acoustic impedance, thereby reaches the amortization effect, and soft joint can adopt flange bolted connection with former tuber pipe pipeline, has flexible connection effect, plays the effect that reduces vibration and noise, can play the compensation effect to the expend with heat and contract with cold that arouses because of temperature variation simultaneously, reduces the clearance and produces;
3. when the first pipeline and the second pipeline are fixed through the locking nut and the hoop, the turntable above the spring can rotate inside the rotating support frame, so that the spring is prevented from directly contacting with the support cross rod, the anti-loosening effect can be achieved, the support cross rod can be protected, and the anti-loosening device is extremely practical;
4. the utility model is formed by combining the soft joint, the pre-silencer, the supporting component and the damping support, the size of the soft joint can be adjusted according to the actual field installation condition, the silencing and noise reducing effects can be adjusted according to the actual field requirements, and each silencing, noise reducing and damping component can be continuously or independently installed to realize the best effect;
5. the noise reduction function of the utility model is realized mainly by the flexible joint component in the device, and the noise reduction function is realized by flexible connection, and meanwhile, the compensation function is realized for expansion with heat and contraction with cold caused by temperature change, and the vibration noise caused by clearance generation is reduced;
6. the utility model has the advantages that the utility model has the auxiliary noise reduction function by means of the shock absorber, the vibration generated by the noise reduction device is prevented from being directly transmitted to the stress surface of the structure through the supporting component, and the horizontal and vertical deformation and hysteresis energy consumption are cut off by the damping material, so as to realize the shock absorption and isolation functions;
7. the utility model discloses can be after former pipeline excision, realize and the butt joint of amortization damping device through installing the monolithic ring flange, the ring flange material can be metal, glass steel etc. and intensity is equal to or is higher than former pipeline design intensity, both sides accessible welding, bonding, hot melt mode and former pipeline high-speed joint, and the installation effect is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural diagram of the supporting cross bar, the supporting upright bars and the hoops of the present invention;
FIG. 3 is a structural diagram of the shock absorber and the supporting base plate according to the present invention;
FIG. 4 illustrates the first pipe, the second pipe, the pre-silencer, and the detonation head of the flexible joint of the present invention;
fig. 5 is a right cross-sectional view of the connection part of the middle support cross rod and the hoop of the present invention.
In the figure: 1. a support rail; 2. hooping; 3. supporting the upright stanchion; 4. supporting a top plate; 5. a shock absorber; 6. a support base plate; 7. a first conduit; 8. a pre-silencer; 9. a flexible joint; 10. a second conduit; 11. locking the nut; 12. rotating the support frame; 13. a turntable; 14. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-5, in the embodiment of the present invention, a noise reduction device for air duct assembly and quick connection, including supporting horizontal rod 1 and hoop 2, supporting horizontal rod 1 top one side and being provided with first pipeline 7, supporting horizontal rod 1 top opposite side and being provided with second pipeline 10, supporting horizontal rod 1 is square structure, all be provided with hoop 2 between supporting horizontal rod 1 and first pipeline 7 and the second pipeline 10, hoop 2 is U type structure, hoop 2 lower extreme is provided with rotation support frame 12 after passing supporting horizontal rod 1, the inside carousel 13 that is provided with of rotation support frame 12, carousel 13 below is provided with spring 14, hoop 2 below periphery is located spring 14 below and is provided with lock nut 11.
The locking nut 11 is connected with the hoop 2 through threads, the spring 14 is connected with the locking nut 11 and the rotary table 13 in a clamping and pressing mode, the rotary table 13 is rotatably connected with the rotary supporting frame 12, and inner holes of the rotary supporting frame 12, the rotary table 13 and the supporting cross rod 1 are all larger than the outer diameter of the hoop 2; it is possible that, while the first and second pipes 7 and 10 are fixed by the locking nut 11, the rotary plate 13 above the spring 14 is rotated inside the rotary support frame 12, thereby avoiding the spring 14 from directly contacting with the support cross bar 1, not only playing the role of anti-loosening, and can protect the supporting cross bar 1, it is extremely practical, one side of the first pipeline 7 is provided with the pre-silencer 8, a flexible joint 9 is arranged between the pre-silencer 8 and the second pipeline 10, the flexible joint 9 is connected with the second pipeline 10 and the pre-silencer 8 through flange sheets, the first pipeline 7 is connected with the pre-silencer 8 through flange sheets, the noise reduction effect is realized mainly by the flexible joint 9 part in the device, through flexible connection, the effects of reducing vibration and noise are achieved, meanwhile, the device can compensate expansion caused by temperature change and contraction caused by cold, and reduce vibration noise caused by clearance generation.
The flexible joint 9 adopts a rubber soft joint, the pre-silencer 8 adopts a resistance silencer, the pre-silencer 8 comprises a resistance silencer, an impedance composite silencer, a micro-perforated plate silencer, a small hole silencer, an active silencer and the like, noise in the pipeline is attenuated or reflected back by a sound absorption lining attached to the interior of the pre-silencer or noise reduction devices such as pipelines with suddenly changed sectional areas and discontinuous other acoustic impedances and the like, so that the silencing effect is achieved, the flexible joint comprises a rubber pipe flexible joint, a rubber soft joint, a flexible joint, a high-pressure rubber joint, a rubber shock absorber and the like, can be connected with the original air pipe pipeline by adopting flange bolts, has the flexible connection effect, plays the role of reducing vibration and noise, can simultaneously play the compensation effect on heat and cold shrinkage caused by temperature change and reduce the generation of gaps, and the supporting upright rods 3 are fixedly connected at four corners below the supporting transverse rods 1, support 3 below fixedly connected with roof supports 4 of pole setting, roof supports 4 below four corners fixedly connected with bumper shock absorbers 5, and bumper shock absorbers 5 below is provided with supporting baseplate 6.
The shock absorbers 5 are made of rubber materials, and the supporting cross rods 1 and the supporting vertical rods 3 are welded by adopting square steel of 50mm multiplied by 50 mm; support horizontal pole 1 and support pole setting 3 and be used for fixing, support the main part of making an uproar that falls of amortization, bumper shock absorber 5 contains rubber, the lead core, spring damping, realize shock attenuation shock insulation function through damping material at the big displacement shear deformation of horizontal direction and hysteresis energy dissipation, thereby further reduce the propagation of device self noise vibration, vertical rigidity is stable, vertical bearing effect is good, horizontal rigidity is moderate, satisfy conventional displacement demand, the temperature accommodation is wider, it is convenient to have installation and maintenance change, the lower characteristics of operation maintenance cost, rely on bumper shock absorber 5 to play the supplementary effect of making an uproar, thereby avoid the vibration that noise reduction device self produced to directly transmit to the structure stress surface through the supporting element, thereby cut off level and vertical deformation and hysteresis energy dissipation through damping material and realize shock attenuation shock insulation function.
The utility model discloses a theory of operation is: when the noise reduction device with the effect is used, firstly, a flange sheet is welded at the joint of a first pipeline 7 and a second pipeline 10, then a pre-silencer 8 and a soft joint are sequentially fixed between the first pipeline 7 and the second pipeline 10 through the flange sheet, then an anchor ear 2 is clamped above the first pipeline 7 and the second pipeline 10, the first pipeline 7 and the second pipeline 10 are fixed by screwing a locking nut 11, a turntable 13 above a spring 14 can rotate inside a rotating support frame 12, further the spring 14 is prevented from directly contacting with a support cross rod 1, the anti-loosening effect can be achieved, the support cross rod 1 can be protected, the noise reduction device is extremely practical, after the original pipeline is cut off, the noise reduction device is butted with the noise reduction and damping device through installing a single flange plate, the material of the flange plate can be metal, glass fiber reinforced plastic and the like, and the strength is equal to or higher than the design strength of the original pipeline, the two sides can be quickly connected with the original pipeline by welding, bonding and hot melting, the installation effect is high, the pre-silencer 8 comprises a resistance silencer, an impedance composite silencer, a micro-perforated plate silencer, a small hole silencer, an active silencer and the like, the noise in the pipeline is attenuated or reflected back by a sound absorption lining attached to the interior of the pre-silencer or noise reduction devices such as pipelines with suddenly changed sectional areas and discontinuous other acoustic impedances and the like, thereby achieving the silencing effect, the flexible joint comprises a rubber pipe soft joint, a rubber soft joint, a flexible joint, a high-pressure rubber joint, a rubber shock absorber and the like, can be connected with the original air pipe pipeline by adopting a flange bolt, has the flexible connection effect, plays the role of reducing vibration and noise, can simultaneously play the compensation effect on heat and cold contraction caused by temperature change and reduces the generation of gaps, the noise reduction device is installed in the middle of the existing pipeline, the influence of vibration generated in the air pipe operation process on the peripheral existing structures can be efficiently and safely reduced, the decibel value of noise generated in operation is reduced, and therefore the standard of factory noise is ensured.
As shown in the following table 1, the air pipe generates severe vibration noise when air washing and air-water shuffling are carried out in the backwashing process, so that the factory noise far exceeds a limit value, the average value of the field measured noise is 87.5 decibels, the peak value reaches 97.6 decibels, and the influences on the factory environment and the occupational health are generated. The long-term operation has damage to the equipment components, increases the failure rate of the equipment and influences the production operation. Before the silencing and noise reducing device is installed, a damping support and a supporting component are erected at a preset installation position, the soft joint and the silencer are pre-assembled, and the length of the total installation size is obtained. In order to ensure normal operation of a factory area during installation, one-way installation is adopted, and one-way air pipe operation is suspended. The installation is that at first according to the device size to the former tuber pipe cutting and welding flange piece, later with soft joint and muffler integral hoisting and lay to the mounted position, both ends and former pipeline carry out bolted connection, and the bottom installation flexible liner is fixed. The whole installation period is 8 hours, after the installation is finished, the noise value measured on site is reduced to 50 decibels through 24 hours of observation, and the noise reduction effect is obvious.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a be applied to amortization noise reduction device of combination formula, fast type of connecing in the tuber pipe, includes support horizontal pole (1) and staple bolt (2), its characterized in that: support horizontal pole (1) top one side and be provided with first pipeline (7), it is provided with second pipeline (10) to support horizontal pole (1) top opposite side, it is square structure to support horizontal pole (1), support horizontal pole (1) with first pipeline (7) and all be provided with between second pipeline (10) staple bolt (2), staple bolt (2) are U type structure, staple bolt (2) lower extreme passes be provided with behind support horizontal pole (1) and rotate carriage (12), it is provided with carousel (13) to rotate carriage (12) inside, carousel (13) below is provided with spring (14), staple bolt (2) below periphery is located spring (14) below is provided with lock nut (11).
2. The combined type quick-connecting type noise reduction and silencing device applied to the air pipe as claimed in claim 1, wherein: lock nut (11) with staple bolt (2) pass through threaded connection, spring (14) with lock nut (11) and carousel (13) all are connected through the card mode of pressing, carousel (13) with rotate carriage (12) and rotate and be connected, rotate carriage (12) carousel (13) and the hole that supports horizontal pole (1) all is greater than the external diameter of staple bolt (2).
3. The combined type quick-connecting type noise reduction device applied to the air pipe according to claim 2, wherein: first pipeline (7) one side is provided with muffler (8) in advance, muffler (8) in advance with be provided with flexible joint (9) between second pipeline (10), flexible joint (9) with second pipeline (10) and muffler (8) all connect through the flange piece in advance, first pipeline (7) with muffler (8) in advance passes through the flange piece and connects.
4. The combined type quick-connecting type noise reduction device applied to the air pipe according to claim 3, wherein: the flexible joint (9) adopts a rubber flexible joint, and the pre-silencer (8) adopts a resistive silencer.
5. The combined type quick-connecting type noise reduction and silencing device applied to the air pipe as claimed in claim 1, wherein: support horizontal pole (1) below four corners fixedly connected with and support pole setting (3), support pole setting (3) below fixedly connected with and support roof (4), support roof (4) below four corners fixedly connected with bumper shock absorber (5), bumper shock absorber (5) below is provided with supporting baseplate (6).
6. The combined type quick-connecting type noise reduction device applied to the air pipe according to claim 5, wherein: the shock absorber (5) is made of rubber, and the supporting cross rod (1) and the supporting vertical rod (3) are welded by adopting 50mm multiplied by 50mm square steel.
7. The combined type quick-connecting type noise reduction device applied to the air pipe according to claim 5, wherein: the shock absorber (5) comprises rubber, a lead core and spring damping.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022962956.3U CN214305870U (en) | 2020-12-10 | 2020-12-10 | Combined type quick-connection type silencing and noise-reducing device applied to air pipe |
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| CN202022962956.3U CN214305870U (en) | 2020-12-10 | 2020-12-10 | Combined type quick-connection type silencing and noise-reducing device applied to air pipe |
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| CN214305870U true CN214305870U (en) | 2021-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623307A (en) * | 2020-12-10 | 2022-06-14 | 上海城投污水处理有限公司 | Combined type quick-connection type silencing and noise-reducing device applied to air pipe |
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- 2020-12-10 CN CN202022962956.3U patent/CN214305870U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623307A (en) * | 2020-12-10 | 2022-06-14 | 上海城投污水处理有限公司 | Combined type quick-connection type silencing and noise-reducing device applied to air pipe |
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