CN114541837A - Chimney with noise reduction function and construction method - Google Patents
Chimney with noise reduction function and construction method Download PDFInfo
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- CN114541837A CN114541837A CN202210279568.6A CN202210279568A CN114541837A CN 114541837 A CN114541837 A CN 114541837A CN 202210279568 A CN202210279568 A CN 202210279568A CN 114541837 A CN114541837 A CN 114541837A
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- 238000010276 construction Methods 0.000 title claims abstract description 16
- 230000003584 silencer Effects 0.000 claims abstract description 51
- 238000009413 insulation Methods 0.000 claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims description 53
- 229920000742 Cotton Polymers 0.000 claims description 48
- 238000010521 absorption reaction Methods 0.000 claims description 45
- 239000004744 fabric Substances 0.000 claims description 41
- 230000030279 gene silencing Effects 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000004080 punching Methods 0.000 claims description 16
- 210000000988 bone and bone Anatomy 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000008030 elimination Effects 0.000 abstract description 2
- 238000003379 elimination reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 239000012774 insulation material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
- E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
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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
- 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
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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
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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
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/001—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by provisions for heat or sound insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/28—Chimney stacks, e.g. free-standing, or similar ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a chimney with a noise reduction function and a construction method, relates to the technical field of chimneys, and solves the technical problem of large noise of the existing chimney, and the chimney comprises a chimney, a fan chamber, a sound insulation room and a reducing pipeline, wherein an air outlet pipe of the fan chamber penetrates through the sound insulation room to be communicated with one end of the reducing pipeline, the other end of the reducing pipeline is communicated with the bottom side of the chimney, a first ventilation silencer is arranged at the top of the fan chamber, and a second ventilation silencer is arranged at one side of the fan chamber; the invention can effectively control the noise and reduce the influence of the noise on the working personnel and the surrounding area by carrying out noise elimination and blocking at the sound source of the fan; and the normal operation of the equipment is not influenced; the quality of the designed selected materials is good, the equipment runs stably, and the layout is reasonable and beautiful; no secondary pollution and no harm to human body; the construction process is simple, the period is fast, and the normal operation of the equipment is not influenced.
Description
Technical Field
The invention relates to the technical field of chimneys, in particular to a chimney with a noise reduction function and the technical field of a construction method.
Background
At present, the exhaust gas temperature of heat energy power equipment such as a common gas boiler is about 150-250 ℃, and dust removal equipment in a plant area generates 88dB (A) decibel noise when working, so that serious sound pollution is caused, and the normal life and rest of residents outside the plant area are influenced; a silencer is additionally arranged on each flue of a common gas boiler to reduce noise in a boiler room, the silencer generally adopts an impedance composite type or small-hole type silencer, the noise can be reduced by about 10-30 dB (A), and the silencer is large in size and high in flow resistance.
Disclosure of Invention
The invention aims to: in order to solve the problem of high noise of the chimney, the invention provides the chimney with the noise reduction function and a construction method.
The technical scheme adopted by the invention is as follows: the utility model provides a chimney with sound attenuation function, includes chimney, fan room, syllable-dividing room and reducing pipeline, the play tuber pipe of fan room passes the one end intercommunication of syllable-dividing room and reducing pipeline, and the other end of this reducing pipeline and the bottom side intercommunication of chimney, the top of fan room is provided with first ventilation muffler, and one side of fan room is provided with second ventilation muffler, through leading overhead sound insulation from the source, makes the effect that gives sound insulation better.
A silencer is arranged in the reducing pipeline, so that the noise reduction effect is better, and the wind power is larger.
Be the interval in the chimney and be provided with the chimney muffler, make the noise reduction effect better.
The chimney silencer comprises a chimney silencer frame and silencing pieces, the shape of the chimney silencer frame is the same as that of a chimney, the chimney silencer frame is tightly matched and connected with the inner wall of the chimney, and the silencing pieces are longitudinally arranged in the chimney silencer frame at intervals and are used for silencing without influencing the normal operation of equipment.
The chimney silencer frame is made of the same material as the wall body of the sound insulation room, comprises stand columns, galvanized plates, glass fiber sound insulation cotton, cross braces, second glass fiber sound insulation cotton, second sound insulation cloth and second punching sound insulation boards, is built through a plurality of stand columns and a plurality of cross braces, and is sequentially provided with the galvanized plates, the glass fiber sound insulation cotton, the second sound insulation cloth and the second punching sound insulation boards from outside to inside; the material has no secondary pollution, no harm to human body and good noise reduction effect.
The silencing piece comprises third glass fiber sound-absorbing cotton, third sound-absorbing cloth and a third punched sound-absorbing plate, wherein the third punched sound-absorbing plate, the third sound-absorbing cloth, the third glass fiber sound-absorbing cotton, the third sound-absorbing cloth and the third punched sound-absorbing plate are sequentially connected, and the silencing piece is used for double-sided silencing and has a good noise reduction effect.
The material of fan room wall body includes that original various steel sheet, light gauge steel, first glass fiber inhale sound cotton, first inhale sound cloth, wear the bone, the first abatvoix that punches a hole, through light gauge steel overlap joint bone build the support, again from the extroversion in proper order install original various steel sheet, first glass fiber inhale sound cotton, first inhale sound cloth, the first abatvoix that punches a hole, fall the noise treatment to the fan room, the noise reduction effect is good.
The chimney comprises a chimney wall, a sound insulation felt, a glass fiber sound insulation board, fourth glass fiber sound absorption cotton, fourth sound absorption cloth and a fourth punching sound absorption board from outside to inside, wherein the chimney wall, the sound insulation felt, the glass fiber sound insulation board, the fourth glass fiber sound absorption cotton, the fourth sound absorption cloth and the fourth punching sound absorption board are connected with one another in sequence to perform noise reduction treatment on the chimney.
A chimney construction method with sound attenuation function, the dust removal fan is based on the original color steel plate interior to wholly do sound absorption treatment, reserve the access door, there is the first ventilation muffler at the top of the fan room, there is the second ventilation muffler at one side of the fan room, there are reducing mufflers at the communicating place of the chimney under the air-out pipeline, the air-out chimney is inside from the bottommost to do the sound absorption and insulation treatment, the sound absorption and insulation treatment is 3 meters high, begin to add the chimney muffler, the chimney muffler depth is 3 meters high;
the concrete construction steps are as follows:
the inner part of the fan room is subjected to sound absorption and insulation treatment, the wall body is made of light steel keel vertical keels which are matched with a through bone fixing support, the interval between the vertical keels is 1200 mm, and the interval between the through bones is 1500 mm; filled with sound insulation material, 50 mm glass fiber sound absorption cotton (volume weight 32 kg/m)3) After the sound-absorbing cloth is processed, the outer layer adopts a punched sound-absorbing plate sealing plate, namely the sound-insulating treatment of the wall body is finished; the suspended ceiling of the fan room is treated, a spiral suspender is pulled down at the top by 10 cm, a main bone and an auxiliary bone of a baking varnish keel are connected, sound insulation materials and 50 mm glass fiber sound absorption cotton (the volume weight is 32 kg/m) are filled in a cavity3) After the sound absorption cloth is processed, the bottom layer adopts a punched sound absorption plate sealing plate, namely the sound insulation suspended ceiling is processed;
the silencer frame of the chimney silencer is constructed by selecting galvanized pipes (100 x 1.8 mm), the thickness of the frame is 100 mm, and the silencer frame is made of galvanized plates (0.8 mm in thickness) and 50 mm glass fiber soundproof cotton (80 kg/m in volume weight)3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
The thickness of the silencing sheet of the chimney silencer is 100 mm, and the distance between the silencing sheets is 200 mm; the silencing sheet is made of a punched sound-absorbing plate (with the thickness of 0.4 mm), sound-absorbing cloth and 50 mm glass fiber sound-absorbing cotton (with the volume weight of 32 kg/m)3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
Newly building a sound insulation room at the periphery of the air outlet pipeline; the wall body of the newly-built sound insulation room is constructed by galvanized square pipes (100 x 1.8 mm) to build a wall body framework, the inner side cross braces and the upright posts are made of galvanized pipes (50 x 100 x 1.5 mm), the spacing between the upright posts is 1200 mm, and the spacing between the cross braces is 1500 mm; the newly-built soundproof room wall body material is galvanized sheet (thickness 0.8 mm) in proper order, 50 mm glass fiber soundproof cotton (bulk density 80 kg/m)3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention can effectively control the noise and reduce the influence of the noise on the working personnel and the surrounding area by carrying out noise elimination and blocking at the sound source of the fan; and the normal operation of the equipment is not influenced; the quality of the designed selected materials is good, the equipment runs stably, and the layout is reasonable and beautiful; no secondary pollution and no harm to human body; the construction process is simple, the period is fast, and the normal operation of the equipment is not influenced.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the fan compartment of the present invention;
FIG. 3 is a perspective view of a chimney according to the present invention;
FIG. 4 is a schematic view of a chimney according to the present invention;
FIG. 5 is a schematic illustration of a fan room wall material layer of the present invention;
FIG. 6 is a schematic diagram of the layering of the wall materials of the sound insulation room according to the present invention;
FIG. 7 is a schematic diagram of the sound damping sheet of the present invention in a layered manner;
labeled as: 1-a fan room, 2-a sound insulation house, 3-a reducing pipeline, 4-a chimney, 5-a chimney silencer, 11-a first ventilation silencer, 12-a second ventilation silencer, 13-a fan room access door, 14-a primitive color steel plate, 15-a light steel keel, 16-a first glass fiber sound absorption cotton, 17-a first sound absorption cloth, 18-a through bone, 19-a first punched sound absorption plate, 21-a column, 22-a galvanized plate, 23-a glass fiber sound absorption cotton, 24-a cross brace, 25-a second glass fiber sound absorption cotton, 26-a second sound absorption cloth, 27-a second punched sound absorption plate, 51-a chimney silencer frame, 52-a sound absorption sheet, 521-a third glass fiber sound absorption cotton, 522-a third sound absorption cloth, 523-a third punched sound absorption plate, 41-chimney wall, 42-sound insulation felt, 43-glass fiber sound insulation board, 44-fourth glass fiber sound absorption cotton, 45-fourth sound absorption cloth and 46-fourth punched sound absorption board.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 7, this embodiment provides a chimney 4 with a sound attenuation function, including a chimney 4, a fan chamber 1, a sound insulation room 2 and a reducing pipeline 3, an air outlet pipe of the fan chamber 1 passes through the sound insulation room 2 and is communicated with one end of the reducing pipeline 3, the other end of the reducing pipeline 3 is communicated with the bottom side of the chimney 4, a first ventilation silencer 11 is arranged on the top of the fan chamber 1, a second ventilation silencer 12 is arranged on one side of the fan chamber 1, and sound insulation is performed from the source, so that the sound insulation effect is better.
Example 2
On the basis of embodiment 1, be provided with the muffler in the reducing pipe 3, make the noise reduction better, wind-force is bigger.
Example 3
On the basis of the embodiment 1, the chimney 4 is internally provided with the chimney silencers 5 at intervals, so that the noise reduction effect is better.
Example 4
On the basis of embodiment 3, the chimney silencer 5 comprises a chimney silencer frame 51 and silencing pieces 52, the shape of the chimney silencer frame 51 is the same as that of the chimney 4, the chimney silencer frame 51 is tightly matched and connected with the inner wall of the chimney 4, and the silencing pieces 52 are longitudinally arranged in the chimney silencer frame 51 at intervals to reduce noise and not influence the normal operation of the equipment.
Example 5
On the basis of embodiment 4, the chimney silencer frame 51 is made of the same material as the wall of the sound-proof room 2, the chimney silencer frame 51 comprises upright posts 21, galvanized plates 22, glass fiber sound-proof cotton 23, cross braces 24, second glass fiber sound-proof cotton 25, second sound-proof cloth 26 and second punching sound-proof boards 27, the frame is built through the upright posts 21 and the cross braces 24, and the galvanized plates 22, the glass fiber sound-proof cotton 23, the second glass fiber sound-proof cotton 25, the second sound-proof cloth 26 and the second punching sound-proof boards 27 are sequentially installed from outside to inside; the material has no secondary pollution, no harm to human body and good noise reduction effect.
Example 6
In addition to embodiment 4, the silencing sheet 52 includes a third glass fiber sound-absorbing cotton 521, a third sound-absorbing cloth 522 and a third punched sound-absorbing plate 523, and the third punched sound-absorbing plate 523, the third sound-absorbing cloth 522, the third glass fiber sound-absorbing cotton 521, the third sound-absorbing cloth 522 and the third punched sound-absorbing plate 523 are connected in sequence, so that the silencing sheet 52 can perform double-sided silencing, and the noise reduction effect is good.
Example 7
On the basis of embodiment 1, the material of the wall body of the fan room 1 comprises an original color steel plate 14, a light steel keel 15, first glass fiber sound-absorbing cotton 16, first sound-absorbing cloth 17, a through bone 18 and a first punching sound-absorbing plate 19, the light steel keel 15 is matched with the through bone 18 to build a support, and then the original color steel plate 14, the first glass fiber sound-absorbing cotton 16, the first sound-absorbing cloth 17 and the first punching sound-absorbing plate 19 are sequentially installed from outside to inside, so that the noise reduction treatment is performed on the fan room 1, and the noise reduction effect is good.
Example 8
In addition to example 1, the chimney 4 is made of a chimney wall 41, a sound-proof felt 42, a glass fiber sound-proof plate 43, a fourth glass fiber sound-absorbing cotton 44, a fourth sound-absorbing cloth 45, and a fourth punched sound-absorbing plate 46 in this order from the outside to the inside, and the chimney 4 is subjected to noise reduction treatment.
The working principle of the invention is as follows: according to the invention, by performing silencing and blocking at a fan sound source, in addition to performing noise reduction and sound insulation treatment on a wall body of a fan chamber 1, a first ventilation silencer 11 is arranged at the top, a second ventilation silencer 12 is arranged at the side part to perform primary noise reduction on noise generated by a fan, then secondary noise reduction is performed through a sound insulation room 2, then tertiary noise reduction is performed through a pipeline variable diameter silencer, noise generated by the fan is basically eliminated through tertiary noise reduction, and noise reduction and sound insulation treatment is performed through a chimney silencer 5 in a chimney 4 and the chimney 4, so that the basic attribute of equipment is ensured not to be influenced, noise pollution can be effectively controlled, and a standard value of a second type sound environment function area specified in GB22337-2008 & lt & gt social living environment noise emission Standard can be reached at a detection point, namely: 60dB (A) in the daytime and 50dB (A) at night; if the background noise is higher than this value, it is not higher than the background noise value.
Construction example 1
A chimney construction method with sound attenuation function, the dust-removing blower is based on the original color steel plate 14 internal integral sound absorption treatment, reserve the fan room access door 13, the top of the fan room 1 has the first ventilation muffler 11, there is the second ventilation muffler 12 on one side of the fan room 1, the communicating place of the chimney 4 under the air-out pipeline is made the reducing and muffler, the air-out chimney 4 internal is made the sound absorption and insulation treatment from the bottommost, the sound absorption and insulation treatment is made 3 meters high, begin to add the chimney muffler 5, the chimney muffler 5 depth is 3 meters high;
the concrete construction steps are as follows:
the inside of the fan room 1 is subjected to sound absorption and insulation treatment, a wall body is made of light steel keels 15, vertical keels are matched with through-bone 18 fixing supports, the interval between the vertical keels is 1200 mm, and the interval between the through-bones 18 is 1500 mm; filled with sound insulation material, 50 mm glass fiber sound absorption cotton (volume weight 32 kg/m)3) After the sound-absorbing cloth is processed, the outer layer adopts a punched sound-absorbing plate sealing plate, namely the sound-insulating treatment of the wall body is finished; the suspended ceiling of the fan room 1 is treated, a spiral suspender is pulled down at the top for 10 cm, a main bone and an auxiliary bone of a baking varnish keel are connected, sound insulation materials and 50 mm glass fiber sound absorption cotton (the volume weight is 32 kg/m) are filled in a cavity3) After the sound absorption cloth is processed, the bottom layer adopts a punched sound absorption plate sealing plate, namely the sound insulation suspended ceiling is processed;
the chimney silencer frame 51 of the chimney silencer 5 is constructed by selecting galvanized pipes (100 x 1.8 mm), the thickness of the frame is 100 mm, and the chimney silencer frame 51 is made of galvanized plates 22 (the thickness is 0.8 mm) and 50 mm glass fiber soundproof cotton 23 (the volume weight is 80 kg/m)3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
The thickness of the silencing sheet 52 of the chimney silencer 5 is 100 mm, and the sheet spacing is 200 mm; the silencing sheet 52 is made of a punched sound-absorbing plate (with the thickness of 0.4 mm), sound-absorbing cloth and 50 mm glass fiber sound-absorbing cotton (with the volume weight of 32 kg/m)3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
Construction example 2
On the basis of the construction example 1, a sound insulation room 2 is newly built at the periphery of the air outlet pipeline; the newly-built sound insulation room 2 wall body selects galvanized square pipes (100 x 1.8 mm) to build a wall body framework, the inner side cross braces 24 and the upright posts 21 select galvanized pipes (50 x 100 x 1.5 mm), the spacing between the upright posts 21 is 1200 mm, and the spacing between the cross braces 24 is 1500 mm; the wall materials of the newly-built sound insulation room 2 are galvanized plate 22 (with the thickness of 0.8 mm) and 50 mm glass fiber sound insulation cotton 23 (with the volume weight of 80 kg/m) in sequence3) 50 mm glass fiber sound-absorbing cotton (volume weight 32 kg/m)3) Sound-absorbing cloth, punching sound-absorbing board (thickness 0.4 mm).
Claims (10)
1. The utility model provides a chimney with sound attenuation function, includes chimney (4), fan room (1), gives sound insulation room (2) and reducing pipeline (3), its characterized in that, the play tuber pipe of fan room (1) passes the one end intercommunication of giving sound insulation room (2) and reducing pipeline (3), the other end of this reducing pipeline (3) and the bottom side intercommunication of chimney (4), the top of fan room (1) is provided with first ventilation muffler (11), and one side of fan room (1) is provided with second ventilation muffler (12).
2. A chimney with a sound-deadening function according to claim 1, wherein a silencer is arranged in the reducing pipe (3).
3. The chimney with the silencing function according to claim 1, characterized in that the chimney (4) is provided with chimney silencers (5) at intervals.
4. The chimney with the silencing function according to claim 3, wherein the chimney silencer (5) comprises a chimney silencer frame (51) and silencing pieces (52), the shape of the chimney silencer frame (51) is the same as that of the chimney (4), the chimney silencer frame (51) is in close fit connection with the inner wall of the chimney (4), and the silencing pieces (52) are longitudinally arranged in the chimney silencer frame (51) at intervals.
5. The chimney with the silencing function according to claim 4, wherein the chimney silencer frame (51) is made of the same material as the wall of the sound-proof room (2), the chimney silencer frame (51) comprises uprights (21), galvanized plates (22), glass fiber sound-proof cotton (23), cross braces (24), second glass fiber sound-proof cotton (25), second sound-proof cloth (26) and second punching sound-proof boards (27), the frame is built through the uprights (21) and the cross braces (24), and the galvanized plates (22), the glass fiber sound-proof cotton (23), the second glass fiber sound-proof cotton (25), the second sound-proof cloth (26) and the second punching sound-proof boards (27) are sequentially installed from outside to inside.
6. The chimney with the silencing function as recited in claim 4, wherein the silencing sheet (52) comprises a third glass fiber sound-absorbing cotton (521), a third sound-absorbing cloth (522) and a third punched sound-absorbing plate (523), and the third punched sound-absorbing plate (523), the third punched sound-absorbing cloth (522), the third glass fiber sound-absorbing cotton (521), the third sound-absorbing cloth (522) and the third punched sound-absorbing plate (523) are connected in sequence.
7. The chimney with the noise reduction function according to claim 1, wherein the wall body of the fan room (1) is made of an original color steel plate (14), a light steel keel (15), first glass fiber sound absorption cotton (16), first sound absorption cloth (17), a through bone (18) and a first punched sound absorption plate (19), the support is built through the light steel keel (15) in a matching mode with the through bone (18), and the original color steel plate (14), the first glass fiber sound absorption cotton (16), the first sound absorption cloth (17) and the first punched sound absorption plate (19) are sequentially installed from outside to inside.
8. The chimney with the silencing function according to claim 1, wherein the chimney (4) comprises a chimney wall (41), a sound-proof felt (42), a glass fiber sound-proof plate (43), a fourth glass fiber sound-absorbing cotton (44), a fourth sound-absorbing cloth (45) and a fourth punched sound-absorbing plate (46) from outside to inside in sequence.
9. A chimney construction method with a noise reduction function is characterized in that a dust removal fan performs sound absorption treatment on the whole based on the interior of an original color steel plate (14), a fan access door (13) is reserved, a first ventilation silencer (11) is arranged at the top of a fan chamber (1), a second ventilation silencer (12) is arranged on one side of the fan chamber (1), a reducing silencer is arranged at the communication position of a chimney (4) below an air outlet pipeline, sound absorption and insulation treatment is performed on the interior of an air outlet chimney (4) from the bottommost part, the height of the sound absorption and insulation treatment is 3 m, the chimney silencer (5) starts to be added, and the depth of the chimney silencer (5) is 3 m high.
10. The chimney construction method with the noise reduction function according to claim 9, characterized in that a new soundproof room (2) is built on the periphery of the air outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279568.6A CN114541837A (en) | 2022-03-22 | 2022-03-22 | Chimney with noise reduction function and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210279568.6A CN114541837A (en) | 2022-03-22 | 2022-03-22 | Chimney with noise reduction function and construction method |
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| CN114541837A true CN114541837A (en) | 2022-05-27 |
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| CN202210279568.6A Pending CN114541837A (en) | 2022-03-22 | 2022-03-22 | Chimney with noise reduction function and construction method |
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| JP2014240705A (en) * | 2013-06-11 | 2014-12-25 | 三菱日立パワーシステムズ株式会社 | Chimney silencer |
| CN104328886A (en) * | 2014-11-03 | 2015-02-04 | 萨克森建筑新型材料(廊坊）有限公司 | Composite sound absorption plate |
| CN206847037U (en) * | 2017-03-07 | 2018-01-05 | 山西太钢鑫磊资源有限公司 | A kind of coal exhaust blower noise reduction system |
| CN206931472U (en) * | 2016-11-24 | 2018-01-26 | 国网河南新密市供电公司 | The indoor type main transformer of transformer substation noise control systems of 110kV half |
| CN207394890U (en) * | 2017-09-29 | 2018-05-22 | 无锡市华通电力设备有限公司 | A kind of chimney muffler |
| CN209621736U (en) * | 2019-01-21 | 2019-11-12 | 河南绿源新星环保设备有限公司 | Muffler for fan |
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2022
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| CN203242331U (en) * | 2013-05-16 | 2013-10-16 | 大唐苏州热电有限责任公司 | Low-noise boiler chimney |
| JP2014240705A (en) * | 2013-06-11 | 2014-12-25 | 三菱日立パワーシステムズ株式会社 | Chimney silencer |
| CN104328886A (en) * | 2014-11-03 | 2015-02-04 | 萨克森建筑新型材料(廊坊）有限公司 | Composite sound absorption plate |
| CN206931472U (en) * | 2016-11-24 | 2018-01-26 | 国网河南新密市供电公司 | The indoor type main transformer of transformer substation noise control systems of 110kV half |
| CN206847037U (en) * | 2017-03-07 | 2018-01-05 | 山西太钢鑫磊资源有限公司 | A kind of coal exhaust blower noise reduction system |
| CN207394890U (en) * | 2017-09-29 | 2018-05-22 | 无锡市华通电力设备有限公司 | A kind of chimney muffler |
| CN209621736U (en) * | 2019-01-21 | 2019-11-12 | 河南绿源新星环保设备有限公司 | Muffler for fan |
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Application publication date: 20220527 |