CN208280350U - A kind of Anti-seismic used in nuclear power station wall hole installing type silencer - Google Patents

A kind of Anti-seismic used in nuclear power station wall hole installing type silencer Download PDF

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Publication number
CN208280350U
CN208280350U CN201820667287.7U CN201820667287U CN208280350U CN 208280350 U CN208280350 U CN 208280350U CN 201820667287 U CN201820667287 U CN 201820667287U CN 208280350 U CN208280350 U CN 208280350U
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frame
skeleton
nuclear power
power station
support
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CN201820667287.7U
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周壮林
黄勋豪
陈剑辉
潘细开
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NANFANG VENTILATOR CO Ltd
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NANFANG VENTILATOR CO Ltd
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Abstract

The utility model discloses a kind of Anti-seismic used in nuclear power station wall hole installing type silencers, it include silencer frame, the silencer lower portion is provided with several intermediate anechoic sheets, the silencer frame includes chassis, the layer frame being set to above the chassis, the upper frame being set to above the layer frame, the four corners of the chassis are provided with support vertical beam, the layer frame is provided with no less than one, the chassis, layer frame, upper frame is successively uniformly fixed on the support vertical beam side from the bottom to top, the intermediate anechoic sheet is uniformly arranged and fixed in the top side of the chassis and the layer frame, the utility model sound construction, acoustic attenuation performance is good, shock resistance is strong, it is stable, safety, reliably, maintenance is convenient, it effectively eliminates the noise generated in the ventilating system of nuclear power station each region and guarantees that ventilating system has good acoustics ring Border.

Description

A kind of Anti-seismic used in nuclear power station wall hole installing type silencer
Technical field
The utility model relates to a kind of nuclear power station ventilation and air conditioning system technology more particularly to a kind of nuclear power station ventilating systems Anti-seismic used in nuclear power station wall hole installing type silencer.
Background technique
It is currently installed in the wall hole installing type silencer of nuclear power station ventilation and air conditioning system, mainly to nuclear power station ventilating system The noise that fluid generates in each technique room plays elimination, the noise that fluid generates in air supplying and exhausting system is reduced, to further The acoustical behavior for improving nuclear power station entirety ventilating system has important role.When the rotating machinerys such as system fan and pump are run When, in mechanical oscillation and each ventilating system runner when wall hole of the fluid by being equipped with silencer, eliminated the noise by wall hole installing type Device, which decays system noise, to be reduced, and will be sent into nuclear island related work region by the fluid after sqouynd absorption lowering noise, is made each in nuclear island The noise level in region meets the comfort of personnel and the demand of apparatus and process environment, further improves each region work in nuclear island Make the working environment of personnel.In view of the wind that in the ventilation and air conditioning system of each region, each system is used in nuclear island of nuclear power station The noise that the vibration of the equipment such as machine, water pump generates is larger, and since partial ventilation systematic air flow is big, flow velocity is fast, and fluid flowing produces Raw noise is also larger, therefore the ambient noise level generated in system after two kinds of noise superpositions is higher, is not able to satisfy in nuclear island The requirement of the noise level of relevant range.Meanwhile equipment is installed in nuclear power station, to the service life of equipment, operation stability, More stringent requirements are proposed for security performance, anti-seismic performance.
Utility model content
Technical problem to be solved by the utility model is: the existing silencer noise reduction for nuclear power station ventilation and air conditioning system Effect is poor, and noise level is higher after noise reduction, is not able to satisfy the noise level requirements of relevant range, and structural stability It is poor.
The solution that the utility model solves its technical problem is: a kind of Anti-seismic used in nuclear power station wall hole installing type noise elimination Device includes silencer frame, and the silencer lower portion is provided with several intermediate anechoic sheets, the silencer frame packet Chassis, the layer frame being set to above the chassis, the upper frame being set to above the layer frame are included, the four corners of the chassis are equal It is provided with support vertical beam, the layer frame is provided with no less than one, and the chassis, layer frame, upper frame are successively uniformly solid from the bottom to top Due to the support vertical beam side, the intermediate anechoic sheet is uniformly arranged and fixed in the top side of the chassis and the layer frame.
The utility model provides a kind of Anti-seismic used in nuclear power station wall hole installing type silencer, includes silencer frame, disappears Sound device frame includes chassis, chassis top is provided with layer frame, layer frame top is provided with upper frame, and the four corners of chassis are provided with Vertical beam is supported, is vacantly set up chassis by support vertical beam, chassis, layer frame, upper frame are successively uniformly fixed on support from bottom to top Four angles of vertical beam side, i.e. layer frame and upper frame are connect with support vertical beam, form a firm frame structure, silencer frame It is provided with several intermediate anechoic sheets in frame, intermediate anechoic sheet is uniformly arranged and fixed the top side in chassis and layer frame, such as will be intermediate Anechoic sheet is placed on chassis, then the top side of chassis is fixed in the bottom side of intermediate anechoic sheet, and the top side of intermediate anechoic sheet is fixed on Intermediate anechoic sheet is such as placed in layer frame by the bottom side of layer frame, then the top side of layer frame is fixed in the bottom side of intermediate anechoic sheet, intermediate The bottom side of upper frame is fixed in the top side of anechoic sheet, it is preferred that overall structure is optional when connecting to be connected with, and installing and dismounting is more It is convenient, and overall structure is secured, and shock resistance is strong, and stable, safe and reliable, maintenance is convenient, and it is each to effectively eliminate nuclear power station The noise that generates in a zonal ventilation system simultaneously guarantees that ventilating system has good acoustic enviroment, therefore, by the utility model It is mounted in the civil engineering wall hole of each ventilating system of nuclear power station, is vibrated greatly in system fan, pump operation, and partial ventilation system Air quantity is big, and air-flow velocity is fast, uses in the big condition of the ambient noise generated in system, by ventilation civil engineering wall hole system The silencer is installed, the noise level in end fluid exit is made to meet the noise level need of each system realm in nuclear power station It asks, further improves the working environment of nuclear power station staff, improve ambient noise level in nuclear island each region, to due to core The vibration equipments such as HVAC system blower water pump are transmitted to the related noise installing suspension and support and generating, the civil engineering wall hole system in island The silencer is installed on system can also play sqouynd absorption lowering noise, carry out antidetonation meter to silencer apparatus body with spectral analysis method It calculates, meets corresponding shockproof requirements, after fixing with the installation of system wall hole, since inherently frequency is higher for equipment, rigidity is larger, Reinforcement effect is played to system wall hole to a certain extent, is more conducive to the antihunt action of whole ventilating system.
As a further improvement of the above technical scheme, the layer frame includes no less than one support beam and interval Fixed beam, horizontal longitudinal evenly distributed between the adjacent support vertical beam, the interval fixed beam water of the support beam Put down lateral symmetry evenly distributed top side and bottom side in the support beam.
As a further improvement of the above technical scheme, the chassis includes no less than one support beam and L-type Bracket, horizontal longitudinal evenly distributed between the adjacent support vertical beam, the L-type support horizontal cross of the support beam The evenly distributed bottom side in the support beam.
As a further improvement of the above technical scheme, the upper frame includes no less than one support beam and L-type Bracket, horizontal longitudinal evenly distributed between the adjacent support vertical beam, the L-type support horizontal cross of the support beam The evenly distributed top side in the support beam.
As a further improvement of the above technical scheme, the intermediate anechoic sheet include inner skeleton, be set to it is described The noise elimination cover board of inner skeleton two sides, the external circular arc type frame for being coated on the inner skeleton surface, the inner skeleton It is to be detachably connected with the noise elimination cover board, external circular arc type frame.
As a further improvement of the above technical scheme, the inner skeleton includes upper side skeleton and lower side skeleton, institute The bottom surface both side for stating side skeleton is fixedly connected with left side skeleton and right side skeleton, and the top surface two sides of the lower side skeleton are connected to The top surface two sides of the bottom side of the bottom side of the left side skeleton and the right side skeleton, the upper side skeleton are symmetrically arranged with L-type Frame, the bottom surface both side of the lower side skeleton are symmetrically arranged with lower L-type frame.
As a further improvement of the above technical scheme, the external circular arc type frame includes left side exterior deckle board, right side Exterior deckle board, upside exterior deckle board, downside exterior deckle board, the left side exterior deckle board are bolted to the outside of the left side skeleton, The right side exterior deckle board is bolted to the outside of the right side skeleton, and the upside exterior deckle board is bolted to institute The top side of L-type frame is stated, the downside exterior deckle board is bolted to the bottom side of the lower L-type frame.
As a further improvement of the above technical scheme, the left side exterior deckle board is arc structure.
As a further improvement of the above technical scheme, the right side exterior deckle board is arc structure.
As a further improvement of the above technical scheme, the support vertical beam is H profile steel, and the support vertical beam two sides are equal It is even to be provided with screw hole.
Beneficial effect using above-mentioned further scheme is: structure is more tight, and connection is more firm, and intermediate anechoic sheet can Effective noise reduction, and whole shock resistance is further promoted.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.
Fig. 1 is the whole positive structure diagram of the utility model.
Fig. 2 is the silencer frame axonometric drawing of the utility model.
Fig. 3 is the inner skeleton stereoscopic schematic diagram of the utility model.
Fig. 4 is the external circular arc type frame stereoscopic schematic diagram of the utility model.
In figure: anechoic sheet, 2- chassis, 3- layer frame, 4- upper frame, 5- support vertical beam, 6- support beam, the interval 7- are solid among 1- Determine side skeleton under beam, 8-L type bracket, 9- noise elimination cover board, the upper side skeleton of 10-, 11-, skeleton, the right side 13- skeleton, 14- on the left of 12- L-type frame, the left side 16- exterior deckle board, the right side 17- exterior deckle board, the upside 18- exterior deckle board under upper L-type frame, 15-.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each technology in the invention is special Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig.1, a kind of Anti-seismic used in nuclear power station wall hole installing type silencer includes silencer frame, the noise elimination Device lower portion is provided with several intermediate anechoic sheets 1, and the silencer frame includes chassis 2, is set on the chassis 2 The layer frame 3 of side, the upper frame 4 for being set to 3 top of layer frame, the four corners of the chassis 2 are provided with support vertical beam 5, described Layer frame 3 is provided with no less than one, and the chassis 2, layer frame 3, upper frame 4 are successively uniformly fixed on the support vertical beam from the bottom to top 5 sides, the intermediate anechoic sheet 1 are uniformly arranged and fixed in the top side of the chassis 2 and the layer frame 3.
It can be seen from the above, the utility model provides a kind of Anti-seismic used in nuclear power station wall hole installing type silencer, it include to disappear Sound device frame, silencer frame include chassis 2, layer frame 3 is provided with above chassis 2, is provided with upper frame 4, chassis above layer frame 3 2 four corners are provided with support vertical beam 5, are vacantly set up chassis 2 by support vertical beam 5, chassis 2, layer frame 3, upper frame 4 are successively It is uniformly fixed on support 5 side of vertical beam from bottom to top, i.e. layer frame 3 is connect with support vertical beam 5 with four angles of upper frame 4, is formed One firm frame structure is provided with several intermediate anechoic sheets 1 in silencer frame, and intermediate anechoic sheet 1 is evenly distributed solid Due to the top side of chassis 2 and layer frame 3, such as intermediate anechoic sheet 1 is placed on chassis 2, then the bottom side of intermediate anechoic sheet 1 is fixed on The bottom side of layer frame 3 is fixed in the top side of the top side of chassis 2, intermediate anechoic sheet 1, and such as intermediate anechoic sheet 1 is placed in layer frame 3, Then the top side of layer frame 3 is fixed in the bottom side of intermediate anechoic sheet 1, and the bottom side of upper frame 4 is fixed in the top side of intermediate anechoic sheet 1, in this way Sound construction, shock resistance is strong, stable, safe and reliable, and maintenance is convenient, effectively eliminates the ventilation of nuclear power station each region The noise that generates in system simultaneously guarantees that there is ventilating system good acoustic enviroment the utility model is therefore mounted on nuclear power In the civil engineering wall hole for each ventilating system of standing, vibrated greatly in system fan, pump operation, and partial ventilation systematic air flow is big, gas It is fast to flow flow velocity, is used in the big condition of the ambient noise generated in system, is disappeared by installing this in ventilation civil engineering wall hole system Sound device makes the noise level in end fluid exit meet the noise level demand of each system realm in nuclear power station, further Improve the working environment of nuclear power station staff, improves ambient noise level in nuclear island each region, to due to HVAC in nuclear island The vibration equipments such as system blower water pump are transmitted to the related noise installing suspension and support and generating, and install in the civil engineering wall hole system The silencer can also play sqouynd absorption lowering noise, carry out seismic Calculation to silencer apparatus body with spectral analysis method, meet Corresponding shockproof requirements, after fixing with the installation of system wall hole, since inherently frequency is higher for equipment, rigidity is larger, certain Reinforcement effect is played to system wall hole in degree, is more conducive to the antihunt action of whole ventilating system.
It is further used as preferred embodiment, as shown in Fig. 2, the layer frame 3 includes no less than one support cross Beam 6 and interval fixed beam 7, the support beam 6 is horizontal longitudinal evenly distributed between the adjacent support vertical beam 5, described Interval 7 horizontal cross of fixed beam is symmetrically and evenly arranged in the top side and bottom side of the support beam 6, and support beam 6 can play pair Adjacent two intermediate anechoic sheets 1 can be separated and be positioned by the supporting role of intermediate anechoic sheet 1, interval fixed beam 7.
It is further used as preferred embodiment, as shown in Fig. 2, the chassis 2 includes no less than one support cross Beam 6 and L-type support 8, horizontal longitudinal evenly distributed between the adjacent support vertical beam 5, the L-type of support beam 6 The evenly distributed bottom side in the support beam 6 of 8 horizontal cross of bracket, similarly, the support beam 6 on chassis 2 can disappear to centre Sound piece 1 is played a supporting role, and to may make that the support beam 6 on chassis 2 connects even closer for L-type support 8, and structure is more steady Gu.
It is further used as preferred embodiment, as shown in Fig. 2, the upper frame 4 includes no less than one support cross Beam 6 and L-type support 8, horizontal longitudinal evenly distributed between the adjacent support vertical beam 5, the L-type of support beam 6 The evenly distributed top side in the support beam 6 of 8 horizontal cross of bracket, similarly, the support beam 6 on upper frame 4 can disappear to centre Sound piece 1 plays the role of separation and positions, and to may make that the support beam 6 on upper frame 4 connects even closer for L-type support 8, preferably , layer frame 3, chassis 2,6 structure of support beam on upper frame 4 are identical, and 8 structure of L-type support on chassis 2, upper frame 4 is identical, letter Change overall structure, installing and dismounting is more convenient.
It is further used as preferred embodiment, the intermediate anechoic sheet 1 includes inner skeleton, is set to the inside The noise elimination cover board 9 of skeleton two sides, the external circular arc type frame for being coated on the inner skeleton surface, the inner skeleton and institute Noise elimination cover board 9, external circular arc type frame are stated to be detachably connected, intermediate anechoic sheet 1 is split again, to transport on site and is installed It dismantles more convenient, will can integrally be split into these components, it is more convenient to internal maintenance for needing, it such as needs replacing impaired Part can be dismounted independently, improve the utilization rate of resource, avoided traditional entirety and scrapped replacement way.
It is further used as preferred embodiment, as shown in figure 3, the inner skeleton includes upper side skeleton 10 and downside Skeleton 11, the bottom surface both side of the upper side skeleton 10 are fixedly connected with left side skeleton 12 and right side skeleton 13, the lower side skeleton 11 top surface two sides are connected to the bottom side of the left side skeleton 12 and the bottom side of the right side skeleton 13, the upper side skeleton 10 Top surface two sides are symmetrically arranged with L-type frame 14, and the bottom surface both side of the lower side skeleton 11 is symmetrically arranged with lower L-type frame 15, preferably , the mutual direction of upper L-type frame 14, facing out vertically for upper L-type frame 14 convenient for opening up screw hole on upper L-type frame 14, plays connection Fixed effect, similarly lower L-type frame 15 is also in this way, inner skeleton is further broken into these structures, when reducing transport Volume is occupied, it is more practical.
It is further used as preferred embodiment, as shown in figure 4, the external circular arc type frame includes left side exterior deckle board 16, right side exterior deckle board 17, upside exterior deckle board 18, downside exterior deckle board, the left side exterior deckle board 16 are bolted to the left side The outside of side skeleton 12, the right side exterior deckle board 17 are bolted to the outside of the right side skeleton 13, outside the upside Deckle board 18 is bolted to the top side of the upper L-type frame 14, and the downside exterior deckle board is bolted to the lower L-type Four exterior deckle boards of the bottom side of frame 15, external circular arc type frame integrally play coating function to inner skeleton, and overall structure is more It is tight, but also the installation of noise elimination cover board 9 is more firm, effectively improve shock strength.
It is further used as preferred embodiment, as shown in figure 4, the left side exterior deckle board 16 is arc structure or right side Exterior deckle board 17 is arc structure, arbitrarily one of them can be selected to be set as arc structure, specifically, arc structure is will Exterior deckle board is bent into arc-shaped, and the exterior deckle board of the arc structure is arranged in inlet side, and arc structure can be reduced suffered by air inlet Resistance, and guiding function is played to wind direction, further increase noise elimination effect.
It is further used as preferred embodiment, the support vertical beam 5 is H profile steel, and 5 two sides of the support vertical beam are uniform It is provided with screw hole, H profile steel is not flexible, and force-applied property is stronger, and overall structure is more firm, and the two sides of support vertical beam 5 open up Screw hole can with support beam 6 by bolt cooperate connect, can arbitrarily adjust support beam 6 support vertical beam 5 on position It sets, use is more flexible.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (10)

1. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer, includes silencer frame, the silencer lower portion It is provided with several intermediate anechoic sheets (1), it is characterised in that: the silencer frame includes chassis (2), is set to the bottom Layer frame (3) above frame (2), the upper frame (4) being set to above the layer frame (3), the four corners of the chassis (2) are provided with Support vertical beam (5), the layer frame (3) is provided with no less than one, the chassis (2), layer frame (3), upper frame (4) successively by down toward On be uniformly fixed on support vertical beam (5) side, the intermediate anechoic sheet (1) be uniformly arranged and fixed in the chassis (2) with The top side of the layer frame (3).
2. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 1, it is characterised in that: the layer Frame (3) includes no less than one support beam (6) and interval fixed beam (7), and the support beam (6) is horizontal longitudinal uniform It is arranged between the adjacent support vertical beam (5), interval fixed beam (7) horizontal cross is symmetrically and evenly arranged in the branch Support the top side and bottom side of crossbeam (6).
3. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 1, it is characterised in that: the bottom Frame (2) includes no less than one support beam (6) and L-type support (8), the horizontal longitudinal uniformly row of the support beam (6) It is listed between the adjacent support vertical beam (5), L-type support (8) horizontal cross is evenly distributed in the support beam (6) Bottom side.
4. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 1, it is characterised in that: the top Frame (4) includes no less than one support beam (6) and L-type support (8), the horizontal longitudinal uniformly row of the support beam (6) It is listed between the adjacent support vertical beam (5), L-type support (8) horizontal cross is evenly distributed in the support beam (6) Top side.
5. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 1, it is characterised in that: in described Between anechoic sheet (1) include inner skeleton, the noise elimination cover board (9) for being set to the inner skeleton two sides, be coated on it is described in The external circular arc type frame on portion skeleton surface, the inner skeleton are removable with the noise elimination cover board (9), external circular arc type frame Unload connection.
6. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 5, it is characterised in that: in described Portion's skeleton includes upper side skeleton (10) and lower side skeleton (11), and the bottom surface both side of the upper side skeleton (10) is fixedly connected with a left side Side skeleton (12) and right side skeleton (13), the top surface two sides of the lower side skeleton (11) are connected to the bottom of the left side skeleton (12) The top surface two sides of the bottom side of side and the right side skeleton (13), the upper side skeleton (10) are symmetrically arranged with L-type frame (14), institute The bottom surface both side for stating lower side skeleton (11) is symmetrically arranged with lower L-type frame (15).
7. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 6, it is characterised in that: described outer Portion's circular arc type frame includes left side exterior deckle board (16), right side exterior deckle board (17), upside exterior deckle board (18), downside exterior deckle board, institute The outside that left side exterior deckle board (16) is bolted to the left side skeleton (12) is stated, the right side exterior deckle board (17) passes through spiral shell The outside for being connected to the right side skeleton (13) is tethered, the upside exterior deckle board (18) is bolted to the upper L-type frame (14) top side, the downside exterior deckle board are bolted to the bottom side of the lower L-type frame (15).
8. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 7, it is characterised in that: the left side Side exterior deckle board (16) is arc structure.
9. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 7, it is characterised in that: the right side Side exterior deckle board (17) is arc structure.
10. a kind of Anti-seismic used in nuclear power station wall hole installing type silencer according to claim 1, it is characterised in that: described Supporting vertical beam (5) is H profile steel, and support vertical beam (5) two sides are evenly arranged with screw hole.
CN201820667287.7U 2018-05-04 2018-05-04 A kind of Anti-seismic used in nuclear power station wall hole installing type silencer Active CN208280350U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108442548A (en) * 2018-05-04 2018-08-24 南方风机股份有限公司 A kind of Anti-seismic used in nuclear power station wall hole installing type silencer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108442548A (en) * 2018-05-04 2018-08-24 南方风机股份有限公司 A kind of Anti-seismic used in nuclear power station wall hole installing type silencer

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