CN205403535U - A combination formula piece formula noise eliminator for machine power cooling tower - Google Patents
A combination formula piece formula noise eliminator for machine power cooling tower Download PDFInfo
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- CN205403535U CN205403535U CN201620152622.0U CN201620152622U CN205403535U CN 205403535 U CN205403535 U CN 205403535U CN 201620152622 U CN201620152622 U CN 201620152622U CN 205403535 U CN205403535 U CN 205403535U
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- noise elimination
- silencing apparatus
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- elimination blade
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Abstract
The utility model discloses a combination formula piece formula noise eliminator for machine power cooling tower, include: female noise eliminator and sub - noise eliminator. Female noise eliminator is equipped with first noise elimination blading, first noise elimination blading includes a plurality of first noise elimination blades, mutual parallel arrangement between the first noise elimination blade, and constitute noise elimination inlet air channel between the adjacent first noise elimination blade, sub - noise eliminator is equipped with a shaped plate and second noise elimination blading, second noise elimination blading includes a plurality of second noise elimination blades, mutual parallel arrangement between the second noise elimination blade, the first end of second noise elimination blade inserts at the bar inboard, second end exposes outside, adjacent first noise elimination spacing of fins equals with adjacent second noise elimination spacing of fins. The utility model discloses can reach ventilation and the noise reduction effect's mesh through regulator noise eliminator.
Description
Technical field
This utility model relates to mechanical manufacturing field, particularly to a kind of combination type chip silencing apparatus for mechanical force cooling column.
Background technology
Mechanical force cooling column is the common corollary equipment of industrial undertaking and building, and for a long time, its influence of noise receives much concern.Especially in recent years, along with the urbanization process of China, mechanical force cooling column noise problem becomes increasingly conspicuous, and often causes environmental protection complaint and dispute.
Acoustic environment standards system (such as GB3096, GB12348, GB22337) according to China, in same acoustic environment functional areas, night noise limit value is the strict 10dB of limit value (A)-15dB (A) between daytime relatively.But, above-mentioned mechanical force cooling column denoising device is once after installation comes into operation, its noise reduction, ventilation effect are relatively fixed.This has resulted in some engineerings, and when when between daytime, cooling tower operating load is bigger, the ventilation effect of silencing apparatus cannot meet requirement；And in other engineerings, when night, noise level limit was comparatively strict, the noise reduction of silencing apparatus but cannot meet requirement.For this problem, especially prominent when processing cooling tower trickle noise (corresponding position is cooling tower air inlet).
Utility model content
In this utility model, this utility model provides a kind of combination type chip silencing apparatus for mechanical force cooling column, described device includes: female silencing apparatus and the sub-silencing apparatus that can move freely, and wherein, described sub-silencing apparatus can be inserted in described female silencing apparatus；
Described female silencing apparatus is strip-type silencer structure, is positioned at described mechanical force cooling column both sides or the air inlet of any side, and described female silencing apparatus is fixed with described air inlet and is connected；
Described sub-silencing apparatus is strip-type silencer structure；
Described female silencing apparatus is provided with the first noise elimination vane group, and described first noise elimination vane group includes multiple first noise elimination blade；
It is arranged parallel to each other between described first noise elimination blade, and between adjacent described first noise elimination blade, constitutes noise elimination air intake passage；
Described sub-silencing apparatus is provided with stripe board and the second noise elimination vane group；
Described second noise elimination vane group includes multiple second noise elimination blade, is arranged parallel to each other between described second noise elimination blade；
First end of described second noise elimination blade is inserted in described stripe board, and the second end is exposed outside；
Adjacent described first noise elimination blade pitgh is equal with adjacent described second noise elimination blade pitgh, for being completely inserted in the noise elimination air intake passage of correspondence by the second end of described second noise elimination blade.
In another preference, the top of described sub-silencing apparatus is provided with hinge, is used for connecting described female silencing apparatus.
In another preference, the material of described first noise elimination blade and described second noise elimination blade can adopt microperforated panel or centrifugally glass-wool.
In another preference, described centrifugally glass-wool is enclosed with alkali-free hydrophobic glass-fiber-fabric.
In another preference, the spacing of described first noise elimination blade is 0.1m-0.5m；
The spacing of described second noise elimination blade is 0.1m-0.5m.
In another preference, the thickness of described first noise elimination blade is 0.05m-0.15m；
The thickness of described second noise elimination blade is 0.05m-0.15m.
In another preference, described combination type chip silencing apparatus is positioned at the described mechanical force cooling column air inlet side towards factory circle, or needs to reduce the side of noise emission towards because of other reasons.
In another preference, bottom described sub-silencing apparatus, it is provided with pulley.
Accompanying drawing explanation
Fig. 1 is the perspective view of the combination type chip silencing apparatus of embodiment 1；
Fig. 2 is the top view of the internal structure of the combination type chip silencing apparatus of embodiment 1.
Detailed description of the invention
The present inventor is through extensive and deep research, develop a kind of combination type chip silencing apparatus for mechanical force cooling column first, described combination type chip silencing apparatus includes female silencing apparatus and sub-silencing apparatus, it is possible to the purpose ventilated with noise reduction by adjusting sub-silencing apparatus to reach.
Term
As used herein, term " chip silencing apparatus " refers to noise elimination structure commonly used in the art, and generally, described chip silencing apparatus can be prepared by following way: be inserted into tabular noise elimination blade at vent passages, big channel partition is become some passage aisles.Size is not particularly limited, and generally noise reduction requirement as required, air-conditioning requirement, channel cross-section can be calculated or design.
Term " microperforated panel soundabsorbing construction ", " microperforated panel " replaceable use, for sound absorbing plate structure commonly used in the art, generally, described microperforated panel can prepare by the following method: at plate thickness less than wearing with the aperture micropore less than 1.0mm on 1.0mm thin plate, punching rate is between 1%-5%, and the air layer of certain thickness (such as 5cm-20cm) is left at the back side.Air layer is internal fills any sound-absorbing material.
Silencing apparatus
This utility model provides a kind of combination type chip silencing apparatus for mechanical force cooling column, and described device includes: female silencing apparatus and the sub-silencing apparatus that can move freely, and wherein, described sub-silencing apparatus can be inserted in described female silencing apparatus.
In this utility model, described female silencing apparatus is strip-type silencer structure, is positioned at described mechanical force cooling column both sides or the air inlet of any side, and described female silencing apparatus is fixed with described air inlet and is connected.
In this utility model, described sub-silencing apparatus is strip-type silencer structure.
In this utility model, described female silencing apparatus is provided with the first noise elimination vane group, and described first noise elimination vane group includes multiple first noise elimination blade.
In this utility model, it is arranged parallel to each other between described first noise elimination blade, and between adjacent described first noise elimination blade, constitutes noise elimination air intake passage.
In this utility model, described sub-silencing apparatus is provided with stripe board and the second noise elimination vane group.
In this utility model, described second noise elimination vane group includes multiple second noise elimination blade, is arranged parallel to each other between described second noise elimination blade.
In this utility model, the first end of described second noise elimination blade is inserted in described stripe board, and the second end is exposed outside.
In this utility model, adjacent described first noise elimination blade pitgh is equal with adjacent described second noise elimination blade pitgh, for being completely inserted in the noise elimination air intake passage of correspondence by the second end of described second noise elimination blade.
Preferably, the top of described sub-silencing apparatus is provided with hinge, is used for connecting described female silencing apparatus.
In another preference, the material of described first noise elimination blade and described second noise elimination blade can adopt microperforated panel or centrifugally glass-wool.
In another preference, described centrifugally glass-wool is enclosed with alkali-free hydrophobic glass-fiber-fabric.
In another preference, the spacing of described first noise elimination blade is 0.1m-0.5m；
The spacing of described second noise elimination blade is 0.1m-0.5m.
In another preference, the thickness of described first noise elimination blade is 0.05m-0.15m；
The thickness of described second noise elimination blade is 0.05m-0.15m.
In another preference, described combination type chip silencing apparatus is positioned at the described mechanical force cooling column air inlet side towards factory circle, or needs to reduce the side of noise emission towards because of other reasons.
In another preference, bottom described sub-silencing apparatus, it is provided with pulley.
Major advantage of the present utility model includes:
A () this utility model adopts combination type chip silencing apparatus, it is possible to the purpose ventilated with noise reduction by adjusting sub-silencing apparatus to reach；
When b () outdoor temperature between daytime is higher, machine utilization is relatively big, the air-conditioning requirement of mechanical force cooling column is of a relatively high, noise reduction requires relatively low, sub-silencing apparatus is removed, ventilation function can be played merely with female silencing apparatus；
(c) night outdoor temperature relatively low, machine utilization is less, the air-conditioning requirement of mechanical force cooling column is relatively low, noise reduction requires of a relatively high time, sub-silencing apparatus is inserted female silencing apparatus, utilizes the chip silencing apparatus that female silencing apparatus and sub-silencing apparatus combine can play decrease of noise functions；
D () this utility model has set noise elimination louver structure, can play good draught effect；
E () this practicality noise elimination blade interior sets microperforated panel, moisture resistance is good.
Below in conjunction with specific embodiment, this utility model is expanded on further.Should be understood that these embodiments are merely to illustrate this utility model rather than limit scope of the present utility model.The experimental technique of unreceipted actual conditions in the following example, generally conventionally condition, or according to manufacturer it is proposed that condition.Unless otherwise indicated, otherwise percentage ratio and number are percentage by weight and parts by weight.
It should be noted that, in the claim and description of this patent, the relational terms of such as first and second or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
Embodiment 1
Present embodiments provide a kind of combination type chip silencing apparatus for mechanical force cooling column, as depicted in figs. 1 and 2, described device includes: female silencing apparatus 1 and the sub-silencing apparatus 2 that can move freely, and wherein, described sub-silencing apparatus 2 can be inserted in described female silencing apparatus 1.
In the present embodiment, described female silencing apparatus 1 is strip-type silencer structure, is positioned at the air inlet of described mechanical force cooling column both sides, and described female silencing apparatus 1 is fixed with described air inlet and is connected.
Described sub-silencing apparatus 2 is strip-type silencer structure.
Described female silencing apparatus 1 is provided with the first noise elimination vane group, and described first noise elimination vane group includes multiple first noise elimination blade 3.
It is arranged parallel to each other between described first noise elimination blade 3, and between adjacent described first noise elimination blade 3, constitutes noise elimination air intake passage.
Described sub-silencing apparatus 2 is provided with stripe board 4 and the second noise elimination vane group.
Described second noise elimination vane group includes multiple second noise elimination blade 5, is arranged parallel to each other between described second noise elimination blade 5.
First end of described second noise elimination blade 5 is inserted in described stripe board 4, and the second end is exposed outside.
Adjacent described first noise elimination blade 3 spacing is equal with adjacent described second noise elimination blade 5 spacing, for being completely inserted in the noise elimination air intake passage of correspondence by the second end of described second noise elimination blade 5.
Embodiment 2
Present embodiments provide a kind of combination type chip silencing apparatus for mechanical force cooling column, essentially identical with the combination type chip silencing apparatus that embodiment 1 provides, it is different in that:
In the present embodiment, the top of described sub-silencing apparatus 2 is provided with hinge, is used for connecting described female silencing apparatus 1；
The material of described first noise elimination blade 3 and described second noise elimination blade 5 adopts centrifugally glass-wool；
Described centrifugally glass-wool is enclosed with alkali-free hydrophobic glass-fiber-fabric；
The spacing of described first noise elimination blade 3 is 0.4m；
The spacing of described second noise elimination blade 5 is 0.4m；
The thickness of described first noise elimination blade 3 is 0.1m；
The thickness of described second noise elimination blade 5 is 0.1m；
Described combination type chip silencing apparatus is positioned at the described mechanical force cooling column air inlet side towards factory circle；
It is provided with pulley bottom described sub-silencing apparatus 2.
Adopting the silencing apparatus of embodiment 2, and the noise elimination blade height setting female silencing apparatus 1 and sub-silencing apparatus 2 all takes 1.5m, the length of silencing apparatus is all set to 1m, and the average absorption of noise elimination blade is set to 0.60.
Based on above-mentioned parameter, by the sound deadening capacity that A N other love empirical formula Theoretical Calculation mother's silencing apparatus 1 and sub-silencing apparatus 2 combine, it is 21dB that result records sound deadening capacity.
Comparative example 1
Comparative example 1 adopts the silencing apparatus identical with embodiment 2, is different in that: comparative example 1 is only with female silencing apparatus 1.
Adopting the silencing apparatus of comparative example 1, and the noise elimination blade height setting silencing apparatus takes 1.5m, the length of silencing apparatus is set to 1m, and the average absorption of noise elimination blade is set to 0.60.
Based on above-mentioned parameter, by the sound deadening capacity of A N other love empirical formula Theoretical Calculation silencing apparatus, it is 8dB that result records sound deadening capacity.
As can be seen here, when female silencing apparatus 1 and sub-silencing apparatus 2 combination time, sound deadening capacity significantly improves.And on the other hand, during only with female silencing apparatus 1,2 times when the ventilation shaft sectional area of device is female silencing apparatus 1 and sub-silencing apparatus 2 combines, ventilation effect significantly improves.
So, when between daytime, outdoor temperature is higher, machine utilization is relatively big, the air-conditioning requirement of mechanical force cooling column is of a relatively high, noise reduction is when requiring relatively low, can be removed by sub-silencing apparatus 2, play ventilation function merely with female silencing apparatus 1；When night outdoor temperature relatively low, machine utilization is less, the air-conditioning requirement of mechanical force cooling column is relatively low, noise reduction requires of a relatively high time, sub-silencing apparatus 2 can be inserted female silencing apparatus 1, utilize the chip silencing apparatus that female silencing apparatus 1 and sub-silencing apparatus 2 combine to play decrease of noise functions.
The all documents mentioned at this utility model are incorporated as reference all in this application, are individually recited as reference such just as each section of document.In addition, it is to be understood that after having read above-mentioned teachings of the present utility model, this utility model can be made various changes or modifications by those skilled in the art, these equivalent form of values fall within the application appended claims limited range equally.
Claims (8)
1. the combination type chip silencing apparatus for mechanical force cooling column, it is characterised in that described device includes: female silencing apparatus and the sub-silencing apparatus that can move freely, wherein, described sub-silencing apparatus can be inserted in described female silencing apparatus；
Described female silencing apparatus is strip-type silencer structure, is positioned at described mechanical force cooling column both sides or the air inlet of any side, and described female silencing apparatus is fixed with described air inlet and is connected；
Described sub-silencing apparatus is strip-type silencer structure；
Described female silencing apparatus is provided with the first noise elimination vane group, and described first noise elimination vane group includes multiple first noise elimination blade；
It is arranged parallel to each other between described first noise elimination blade, and between adjacent described first noise elimination blade, constitutes noise elimination air intake passage；
Described sub-silencing apparatus is provided with stripe board and the second noise elimination vane group；
Described second noise elimination vane group includes multiple second noise elimination blade, is arranged parallel to each other between described second noise elimination blade；
First end of described second noise elimination blade is inserted in described stripe board, and the second end is exposed outside；
Adjacent described first noise elimination blade pitgh is equal with adjacent described second noise elimination blade pitgh, for being completely inserted in the noise elimination air intake passage of correspondence by the second end of described second noise elimination blade.
2. silencing apparatus according to claim 1, it is characterised in that the top of described sub-silencing apparatus is provided with hinge, is used for connecting described female silencing apparatus.
3. silencing apparatus according to claim 1, it is characterised in that the material of described first noise elimination blade and described second noise elimination blade can adopt microperforated panel or centrifugally glass-wool.
4. silencing apparatus according to claim 3, it is characterised in that described centrifugally glass-wool is enclosed with alkali-free hydrophobic glass-fiber-fabric.
5. silencing apparatus according to claim 1, it is characterised in that the spacing of described first noise elimination blade is 0.1m-0.5m；
The spacing of described second noise elimination blade is 0.1m-0.5m.
6. silencing apparatus according to claim 1, it is characterised in that the thickness of described first noise elimination blade is 0.05m-0.15m；
The thickness of described second noise elimination blade is 0.05m-0.15m.
7. silencing apparatus according to claim 1, it is characterised in that described combination type chip silencing apparatus is positioned at the described mechanical force cooling column air inlet side towards factory circle, or needs to reduce the side of noise emission towards because of other reasons.
8. silencing apparatus according to claim 1, it is characterised in that be provided with pulley bottom described sub-silencing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152622.0U CN205403535U (en) | 2016-02-29 | 2016-02-29 | A combination formula piece formula noise eliminator for machine power cooling tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620152622.0U CN205403535U (en) | 2016-02-29 | 2016-02-29 | A combination formula piece formula noise eliminator for machine power cooling tower |
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| CN205403535U true CN205403535U (en) | 2016-07-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610233A (en) * | 2017-01-10 | 2017-05-03 | 吴光明 | Silencing structure for power plant water cooling tower |
| CN112781396A (en) * | 2020-12-30 | 2021-05-11 | 深圳市前海能源科技发展有限公司 | Noise eliminator for cooling tower and cooling tower |
-
2016
- 2016-02-29 CN CN201620152622.0U patent/CN205403535U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610233A (en) * | 2017-01-10 | 2017-05-03 | 吴光明 | Silencing structure for power plant water cooling tower |
| CN112781396A (en) * | 2020-12-30 | 2021-05-11 | 深圳市前海能源科技发展有限公司 | Noise eliminator for cooling tower and cooling tower |
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