CN113389301A - A novel wall body of making an uproar falls in damping for nuclear power plant - Google Patents

A novel wall body of making an uproar falls in damping for nuclear power plant Download PDF

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Publication number
CN113389301A
CN113389301A CN202110779818.8A CN202110779818A CN113389301A CN 113389301 A CN113389301 A CN 113389301A CN 202110779818 A CN202110779818 A CN 202110779818A CN 113389301 A CN113389301 A CN 113389301A
Authority
CN
China
Prior art keywords
keel
frame
vibration
fixed
nuclear power
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.)
Pending
Application number
CN202110779818.8A
Other languages
Chinese (zh)
Inventor
诸明宸
胡小洁
林宇清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Original Assignee
Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Nuclear Engineering Research and Design Institute Co Ltd filed Critical Shanghai Nuclear Engineering Research and Design Institute Co Ltd
Priority to CN202110779818.8A priority Critical patent/CN113389301A/en
Publication of CN113389301A publication Critical patent/CN113389301A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6801—Fillings therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6812—Compressable seals of solid form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B2001/8263—Mounting of acoustical elements on supporting structure, e.g. framework or wall surface
    • E04B2001/8281—Flat elements mounted parallel to a supporting surface with an acoustically active air gap between the elements and the mounting surface

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to the field of noise reduction of nuclear power plants, in particular to a novel vibration and noise reduction wall body for a nuclear power plant, which comprises: a concrete wall; the keel frame is fixed on the concrete wall and comprises a transverse keel and a longitudinal keel which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall; the damping vibration attenuation frame is fixed on the keel frame and is arranged in parallel with the concrete wall; the keel frame is fixed on the damping vibration attenuation frame and comprises a transverse keel and a longitudinal keel which are orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall; the sound absorption plate is fixed on the keel frame; compared with the prior art, the invention integrates vibration reduction, sound insulation and sound absorption, and is suitable for rooms with vibration reduction and noise reduction requirements in nuclear power plants.

Description

A novel wall body of making an uproar falls in damping for nuclear power plant
Technical Field
The invention relates to the field of noise reduction of nuclear power plants, in particular to a novel vibration and noise reduction wall body for a nuclear power plant.
Background
The noise of partial office places in a nuclear power plant is relatively high, the noise is a complex result of the combined action of a plurality of air noise sources and vibration sources, the most important is medium-low frequency radiation noise caused by the vibration of equipment and pipelines, and the noise is difficult to eliminate by the existing noise reduction wall.
Accordingly, there remains a need in the art for improvements.
Disclosure of Invention
The invention aims to solve the problem of acoustic environment in a nuclear power plant, research and develop a vibration and noise reduction wall material and overcome the defects of the design of the vibration and noise reduction material in the nuclear power plant.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a novel vibration and noise reduction wall body for a nuclear power plant, which comprises:
a concrete wall;
the keel frame is fixed on the concrete wall and comprises a transverse keel and a longitudinal keel which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall;
the damping vibration attenuation frame is fixed on the keel frame and is arranged in parallel with the concrete wall;
the keel frame is fixed on the damping vibration attenuation frame and comprises a transverse keel and a longitudinal keel which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall;
and the sound absorption plate is fixed on the keel frame and arranged in parallel with the concrete wall.
Further, keel frame includes first keel frame, second keel frame and damping shock attenuation frame, first keel frame includes the first horizontal fossil fragments and the first vertical fossil fragments of quadrature, first horizontal fossil fragments pass through expansion bolts with concrete wall body fixed connection, first vertical fossil fragments through the welding with first horizontal fossil fragments fixed connection.
Furthermore, the damping vibration attenuation frame comprises a composite damping sound insulation plate, vibration attenuation keel clamping pieces and vibration attenuation keels, the sound insulation plate is fixedly arranged on the first keel frame through self-tapping self-drilling screws, the vibration attenuation keel clamping pieces penetrate through the self-tapping self-drilling screws, and the composite damping sound insulation plate is fixed on the keel frame, so that the vibration attenuation keels are installed into the vibration attenuation keel clamping pieces.
Further, the second keel frame comprises a second transverse keel and a second longitudinal keel which are orthogonal, the second longitudinal keel is fixedly connected with the second transverse keel through welding, and the damping vibration attenuation frame is fixedly connected with the second keel frame.
Furthermore, the sound absorption plate is riveted and fixed on the second keel frame through a plate clamping groove.
Furthermore, foam rods and fireproof glue are filled in gaps of the sound absorption plate.
The invention has the beneficial effects that: the steel frame construction is according to civil engineering structure and use layout design, and the fossil fragments frame of constituteing by horizontal fossil fragments and vertical fossil fragments is fixed in concrete wall surface, forms on the shock attenuation fossil fragments frame is fixed in the fossil fragments frame by compound damping sound-proof board, shock attenuation fossil fragments fastener and shock attenuation fossil fragments combined action, installs C type fossil fragments frame again, and the surface course is the super micropore honeycomb acoustic baffle of metal, collects damping, sound insulation, absorbs sound in an organic whole, is applicable to the indoor room that has the demand of making an uproar of falling the damping in the nuclear power plant.
Drawings
Fig. 1 is a schematic structural cross-sectional view of a vibration-damping and noise-reducing wall body provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present invention provides a novel vibration and noise reduction wall for a nuclear power plant, comprising:
a concrete wall body 1;
the first keel frame is fixed on the concrete wall 1 and comprises a transverse keel 4 and a longitudinal keel 4 which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall 1;
the damping vibration attenuation frame is fixed on the first keel frame and consists of a composite damping sound insulation plate 5, a vibration attenuation keel clamping piece 7 and a vibration attenuation keel 8, and the damping vibration attenuation frame is arranged in parallel with the concrete wall 1;
the second keel frame 10 is fixed on the damping vibration attenuation frame, the second keel frame comprises a transverse keel 10 and a longitudinal keel 10 which are fixedly connected and orthogonal, and the extending directions of the transverse keel 10 and the longitudinal keel 10 are both parallel to the extending direction of the concrete wall;
and the sound absorption plate 13 is made of metal ultramicropore honeycomb materials and is fixed on the second keel frame 10, and the sound absorption plate is arranged in parallel with the concrete wall 1.
Further, first fossil fragments frame 4 includes the first horizontal fossil fragments and the first vertical fossil fragments of quadrature, first horizontal fossil fragments pass through expansion bolts 2 and angle steel 3 with concrete wall 1 fixed connection, first vertical fossil fragments through the welding with first horizontal fossil fragments fixed connection.
Furthermore, the damping vibration attenuation frame comprises a composite damping sound insulation plate 5, a vibration attenuation keel clamping piece 7 and a vibration attenuation keel 8. The composite damping sound-proof board 5 is fixedly arranged on the first keel frame, the shock-absorbing keel clamping pieces 7 penetrate through the self-tapping screws 6, the composite damping sound-proof board 5 is fixed with the first keel frame 4, the shock-absorbing keel 8 is arranged in the shock-absorbing keel clamping pieces 7, and the second keel frame 10 is fixedly connected with the shock-absorbing keel 8 through bolts 9.
Further, second keel frame 10 includes the second horizontal fossil fragments and the second longitudinal joist of quadrature, the second longitudinal joist through the welding with the horizontal fossil fragments fixed connection of second, first keel frame with second keel frame fixed connection.
Further, the sound absorption plate 13 is riveted and fixed on the second keel frame 10 through a plate clamping groove 12.
Further, the gap of the sound absorption plate 13 is filled with a foam bar 14 and a fire-proof glue 15.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (6)

1. A novel vibration/noise reduction wall body for a nuclear power plant, comprising:
a concrete wall;
the keel frame is fixed on the concrete wall and comprises a transverse keel and a longitudinal keel which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall;
the damping vibration attenuation frame is fixed on the keel frame and is arranged in parallel with the concrete wall;
the keel frame is fixed on the damping vibration attenuation frame and comprises a transverse keel and a longitudinal keel which are fixedly connected and orthogonal, and the extending directions of the transverse keel and the longitudinal keel are parallel to the extending direction of the concrete wall;
and the sound absorption plate is fixed on the keel frame and arranged in parallel with the concrete wall.
2. The novel vibration and noise reduction wall for a nuclear power plant according to claim 1, wherein the keel frame comprises a first keel frame, a second keel frame and a damping and vibration reduction frame, the first keel frame comprises a first cross keel and a first longitudinal keel which are orthogonal, the first cross keel is fixedly connected with the concrete wall through expansion bolts, and the first longitudinal keel is fixedly connected with the first cross keel through welding.
3. The novel vibration and noise reduction wall for a nuclear power plant as claimed in claim 2, wherein the damping vibration reduction frame comprises a composite damping sound insulation plate, vibration reduction keel clamping pieces and vibration reduction keels, the sound insulation plate is fixed on the first keel frame through self-tapping self-drilling screws, the vibration reduction keel clamping pieces are fixed on the keel frame through the composite damping sound insulation plate through the self-tapping self-drilling screws, and the vibration reduction keels are installed into the vibration reduction keel clamping pieces.
4. The novel vibration and noise reduction wall for a nuclear power plant according to claim 3, wherein the second keel frame comprises orthogonal second transverse keels and second longitudinal keels, the second longitudinal keels are fixedly connected with the second transverse keels through welding, and the damping vibration and noise reduction frame is fixedly connected with the second keel frame.
5. The novel vibration and noise reduction wall for a nuclear power plant as claimed in claim 4, wherein the sound absorption plate is riveted and fixed on the second keel frame through a plate clamping groove.
6. The novel vibration and noise reduction wall for nuclear power plants as claimed in claim 5, wherein the gaps of the sound absorption plate are filled with foam bars and fire-proof glue.
CN202110779818.8A 2021-07-09 2021-07-09 A novel wall body of making an uproar falls in damping for nuclear power plant Pending CN113389301A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110779818.8A CN113389301A (en) 2021-07-09 2021-07-09 A novel wall body of making an uproar falls in damping for nuclear power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110779818.8A CN113389301A (en) 2021-07-09 2021-07-09 A novel wall body of making an uproar falls in damping for nuclear power plant

Publications (1)

Publication Number Publication Date
CN113389301A true CN113389301A (en) 2021-09-14

Family

ID=77625819

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110779818.8A Pending CN113389301A (en) 2021-07-09 2021-07-09 A novel wall body of making an uproar falls in damping for nuclear power plant

Country Status (1)

Country Link
CN (1) CN113389301A (en)

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CB02 Change of applicant information

Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai

Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd.

Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai

Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd.

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