CN204590290U - A kind of roots blower machine room noise reduction compages - Google Patents

A kind of roots blower machine room noise reduction compages Download PDF

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Publication number
CN204590290U
CN204590290U CN201520169826.0U CN201520169826U CN204590290U CN 204590290 U CN204590290 U CN 204590290U CN 201520169826 U CN201520169826 U CN 201520169826U CN 204590290 U CN204590290 U CN 204590290U
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machine room
air
sound
roots blower
compages
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周辉
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Sichuan wisdom Environmental Protection Technology Co., Ltd.
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周辉
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Abstract

The utility model discloses a kind of roots blower machine room noise reduction compages, comprise the machine room body of wall of band soundproof door and sound proof window, and the rectangular hollow skeleton be fixed in body of wall, filled high polymer sound absorption material in rectangular hollow skeleton, soundproof door and machine room surface of wall are equipped with puigging, composite sound absorbing layer is provided with between rectangular hollow skeleton, machine room body of wall is provided with air intake and air outlet, air outlet is positioned at machine room body of wall medial surface place and is provided with axial flow blower, outside is provided with the air-discharge silencer be connected with axial flow blower, airduct is provided with in air intake, one end of airduct is connected with roots blower, the other end is located at machine room wall outer side, and be connected with air-inlet sound eliminator.The ventilation effect in machine room is ensure that, and air-inlet sound eliminator and air-discharge silencer, composite sound absorbing layer and puigging by axial flow blower, and the closely cooperating of soundproof door and sound proof window and machine room body of wall, effectively reduce noise.The utility model structure is simple, easy to use, is applicable to promoting.

Description

A kind of roots blower machine room noise reduction compages
Technical field
The utility model relates to a kind of roots blower machine room noise reduction compages.
Background technology
Roots blower is a lot of as a kind of general machinery equipment kind, and noise intensity and the frequency characteristic of the blower fan generation of variety classes and model are distinguished to some extent, but the position of the outside radiated noise of blower fan unit of different model has something in common.Roots blower room is important supplement production place, and the noise produced when equipment runs in roots blower room mainly contains: the air power noise of air inlet port and gas outlet radiation; The noise of motor radiation; The mechanical noise of the radiation such as casing, tube wall and motor bearings; The solid-borne sound of foundation vibration radiation.In this few partial noise, be the strongest with the air power noise of air inlet port, the radiation of position, gas outlet.Generally air power noise is than the noise figure height 10-15dB (A) of other position radiation.The wideband noise that roots blower produces, inevitably to the staff of on-site and neighbouring resident and environmental effects.Meanwhile, under noise of equipment improvement will obtain the prerequisite of good result in roots blower room, equipment must be allowed to be in comparatively closed space, then must to carry out strict calculating and design to the impact of equipment ventilation and heat.
Therefore, be necessary to design a kind of roots blower machine room noise reduction compages, reduce the noise of roots blower machine room, ensure the air-conditioning requirement of environment simultaneously.
Utility model content
A kind of roots blower machine room noise reduction compages that the utility model proposes, effectively reduce the noise pollution of roots blower machine room.
The technical solution of the utility model is achieved in that a kind of roots blower machine room noise reduction compages, comprise the machine room body of wall of band soundproof door and sound proof window, and the rectangular hollow skeleton be fixed in body of wall, filled high polymer sound absorption material in described rectangular hollow skeleton, described soundproof door and machine room surface of wall are equipped with puigging, composite sound absorbing layer is provided with between rectangular hollow skeleton, described machine room body of wall is provided with air intake and air outlet, described air outlet is positioned at machine room body of wall medial surface place and is provided with axial flow blower, outside is provided with the air-discharge silencer be connected with axial flow blower, airduct is provided with in described air intake, one end of described airduct is connected with roots blower, the other end is located at machine room wall outer side, and be connected with air-inlet sound eliminator.
Further, described composite sound absorbing layer is made up of soundproof course, Advances in Sound Absorption Polymers layer, glass-fiber-fabric, damping layer and mask orifice plate successively, and soundproof course is connected with machine room body of wall medial surface.
Further, described soundproof door is hollow structure, and inside is filled with Advances in Sound Absorption Polymers.
Further, described soundproof door and sound proof window closely cooperate with machine room body of wall respectively.
Further, described puigging adopts deadening felt.
The beneficial effects of the utility model are: a kind of roots blower machine room noise reduction compages of the present utility model, the air-conditioning requirement in machine room is ensure that by appropriate axial flow blower, and the air-inlet sound eliminator be connected with axial flow blower respectively and air-discharge silencer, can be good at reducing noise; By composite sound absorbing layer and puigging, reduce noise; And soundproof door and sound proof window and machine room body of wall closely cooperate, and it also avoid spreading out of of noise.The utility model structure is simple, easy to use, is applicable to promoting.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is composite sound absorbing Rotating fields schematic diagram in the utility model embodiment.
In figure: 1, machine room body of wall; 2, hollow member; 21, soundproof course; 22, Advances in Sound Absorption Polymers layer; 23, glass-fiber-fabric; 24, damping layer; 25, mask orifice plate; 3, roots blower; 4, axial flow blower; 5, air-discharge silencer; 6, air-inlet sound eliminator; 7, sound proof window; 8, soundproof door.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of roots blower machine room noise reduction compages as depicted in figs. 1 and 2, comprise the machine room body of wall 1 of band soundproof door 8 and sound proof window 7, and the rectangular hollow skeleton 2 be fixed in body of wall, filled high polymer sound absorption material in described rectangular hollow skeleton 2, described soundproof door 8 and machine room body of wall 1 surface are equipped with puigging, composite sound absorbing layer is provided with between rectangular hollow skeleton 2, described machine room body of wall 1 is provided with air intake and air outlet, described air outlet is positioned at machine room body of wall 1 medial surface place and is provided with axial flow blower 4, outside is provided with the air-discharge silencer 5 be connected with axial flow blower 4, airduct is provided with in described air intake, one end of described airduct is connected with roots blower 3, the other end is located at outside machine room body of wall 1, and be connected with air-inlet sound eliminator 6.
Described composite sound absorbing layer is made up of soundproof course 21, Advances in Sound Absorption Polymers layer 22, glass-fiber-fabric 23, damping layer 24 and mask orifice plate 25 successively, and soundproof course 21 is connected with machine room body of wall 1 medial surface.
Described soundproof door 8 is hollow structure, and inside is filled with Advances in Sound Absorption Polymers.
Described soundproof door 8 and sound proof window 7 closely cooperate with machine room body of wall 1 respectively.
Described puigging adopts deadening felt.
In actual use, better serving acoustically effective, random transmitting occurs to improve sound absorption amount when wherein macromolecule absorbent treatment utilizes sound to penetrate the medium of multilayer different in kind by composite sound absorbing layer, is that the sound absorption and insulation amount of total increases like this; Cambered surface orifice plate adopts sound absorption orifice plate, to reduce room reverberation, prevents standing wave from producing, and the glass-fiber-fabric 23 at middle part can the sound wave energy of absorption equipment radiation; And damping layer 24 has shock-absorbing functions, sound insulation room amount can be increased.And also can play soundproof effect by puigging.
Soundproof door 8 and sound proof window 7 closely cooperate with machine room body of wall 1, also effectively prevent sound to spread out of from gap, can do encapsulation process during actual installation to soundproof door 8 and sound proof window 7.
The heat distributed when roots blower 3 machine room internal unit being run by axial flow blower 4 can be discharged into outdoor by air flowing in time, the reasonable temperature making the temperature in room remain at equipment to run, and the air-discharge silencer 5 that axial flow blower 4 connects and the air-inlet sound eliminator 6 that is connected with airduct also prevent noise from spreading out of from gravity vent.
The utility model is a kind of energy-conservation, reliable, economic, practical device, easy to use, is applicable to promoting.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. roots blower machine room noise reduction compages, it is characterized in that: the machine room body of wall (1) comprising band soundproof door (8) and sound proof window (7), and the rectangular hollow skeleton (2) be fixed in body of wall, the interior filled high polymer sound absorption material of described rectangular hollow skeleton (2), described soundproof door (8) and machine room body of wall (1) surface are equipped with puigging, rectangular hollow skeleton is provided with composite sound absorbing layer between (2), described machine room body of wall (1) is provided with air intake and air outlet, described air outlet is positioned at machine room body of wall (1) medial surface place and is provided with axial flow blower (4), outside is provided with the air-discharge silencer (5) be connected with axial flow blower (4), airduct is provided with in described air intake, one end of described airduct is connected with roots blower (3), the other end is located at machine room body of wall (1) outside, and be connected with air-inlet sound eliminator (6).
2. a kind of roots blower machine room noise reduction compages according to claim 1, it is characterized in that: described composite sound absorbing layer is made up of soundproof course (21), Advances in Sound Absorption Polymers layer (22), glass-fiber-fabric (23), damping layer (24) and mask orifice plate (25) successively, and soundproof course (21) is connected with machine room body of wall (1) medial surface.
3. a kind of roots blower machine room noise reduction compages according to claim 2, is characterized in that: described soundproof door (8) is hollow structure, and inside is filled with Advances in Sound Absorption Polymers.
4. a kind of roots blower machine room noise reduction compages according to claim 3, is characterized in that: described soundproof door (8) and sound proof window (7) closely cooperate with machine room body of wall (1) respectively.
5. a kind of roots blower machine room noise reduction compages according to claim 1, is characterized in that: described puigging adopts deadening felt.
CN201520169826.0U 2015-03-25 2015-03-25 A kind of roots blower machine room noise reduction compages Active CN204590290U (en)

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Application Number Priority Date Filing Date Title
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CN204590290U true CN204590290U (en) 2015-08-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507626A (en) * 2015-12-30 2016-04-20 天津豪世达科技有限公司 Mobile shielding machine room

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105507626A (en) * 2015-12-30 2016-04-20 天津豪世达科技有限公司 Mobile shielding machine room

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data
CB03 Change of inventor or designer information

Inventor after: Zhou Hui

Inventor after: Wei Tianshun

Inventor after: Chen Weihong

Inventor after: Zhao Feng

Inventor after: Liu Hui

Inventor before: Zhou Hui

TR01 Transfer of patent right

Effective date of registration: 20160905

Address after: 610048, No. 4, building 2, 7, 9, Wu Qing North Road, No. 76, Chengdu, Sichuan, Wuhou District

Patentee after: Sichuan wisdom Environmental Protection Technology Co., Ltd.

Address before: 610041, No. 7, building 2, building 9, building 76, 4, Wu Qing North Road, Chengdu, Sichuan, Wuhou District

Patentee before: Zhou Hui