CN218150036U - Multifunctional sound insulation room - Google Patents
Multifunctional sound insulation room Download PDFInfo
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- CN218150036U CN218150036U CN202220729990.2U CN202220729990U CN218150036U CN 218150036 U CN218150036 U CN 218150036U CN 202220729990 U CN202220729990 U CN 202220729990U CN 218150036 U CN218150036 U CN 218150036U
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Abstract
The utility model relates to a multi-functional sound insulation room, its mainly used adopt large-scale movable equipment such as turbo generator set that produces the noise. The utility model discloses a compound sound insulation board of inhaling, the steelframe, the air inlet tuber pipe, the air-blower, the tuber pipe of airing exhaust, IG541 mist storage device, IG541 mist starting drive and PLC controller, compound sound insulation board of inhaling is fixed on the steelframe, the air inlet tuber pipe sets up in the inboard bottom in sound insulation room, the air inlet tuber pipe links to each other with the air-blower, the tuber pipe of airing exhaust arranges at the inboard top in sound insulation room, the tuber pipe of airing exhaust links to each other with the exhaust fan, 541 IG mist storage device links to each other with IG541 mist starting drive, IG541 mist storage device, IG541 mist starting drive equipartition is put in the outside in sound insulation room, the air-blower, the exhaust fan, IG541 mist starting drive all communicates with the PLC controller. The utility model has the advantages of simple and reasonable design, it is stable durable, fire control safe and reliable, noise pollution reduction, dismantled and assembled reuse satisfies the user demand.
Description
Technical Field
The utility model relates to a sound insulation room especially relates to a multi-functional sound insulation room, and its mainly used adopts large-scale mobile devices such as turbo generator set that produce the noise.
Background
The noise of the steam turbine generator unit mainly comprises three parts, namely steam turbine noise, generator noise and exciter noise, the steam turbine generator unit is a comprehensive body of multiple sound sources, the noise frequency band is wide and comprises low, medium and high frequencies, the sound pressure level of each frequency is high and is generally kept between 85 and 90dB (A), the maximum value of the sound pressure level is close to 98dB (A), and the noise level does not meet the environmental protection requirement.
The sound insulation house is manufactured by adopting a common sound insulation plate in the conventional way, but the noise reduction effect of the common sound insulation plate is poor; the sound insulation rooms are relatively independent, a large amount of lubricating oil is arranged in the steam turbine generator unit, oil pipelines are complex, electric lines are multiple, the temperature is high when a steam turbine operates, and the danger of fire caused by oil leakage exists; the sound insulation house is usually manufactured and formed once, but the sound insulation house cannot be reused after being dismantled.
Therefore, the sound absorption and insulation material is provided, and the problem of noise generated by the steam turbine generator unit is solved; a set of quick and reliable fire extinguishing system is equipped to meet the fire-fighting requirement; meanwhile, the device can be repeatedly disassembled and assembled for use, so that the utilization rate is improved, the cost is saved, and the device is particularly necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is simple reasonable, and is stable durable, fire control safe and reliable, noise pollution abatement, dismantled and assembled reuse's multi-functional sound insulation room.
The utility model provides a technical scheme that above-mentioned problem adopted is: this multi-functional sound insulation room, including compound sound insulation board and steelframe of inhaling, compound sound insulation board is fixed on the steelframe, its characterized in that: still include air inlet pipe, air-blower, the tuber pipe of airing exhaust, exhaust fan, IG541 mist storage device, IG541 mist starting drive and PLC controller, the air inlet pipe sets up in the inboard bottom in sound insulation room, and this air inlet pipe links to each other with the air-blower, and the tuber pipe of airing exhaust arranges at the inboard top in sound insulation room, and the tuber pipe of airing exhaust links to each other with the exhaust fan, and IG541 mist storage device links to each other with IG541 mist starting drive, this IG541 mist storage device, IG541 mist starting drive equipartition are put in the outside in sound insulation room, and the air-blower, the exhaust fan, IG541 mist starting drive all communicate with the PLC controller.
As preferred, the utility model discloses still include temperature detector, temperature detector arranges at far away from the wind gap that this temperature detector links to each other with the PLC controller.
As preferred, the utility model discloses still include electronic isolation valve, be provided with electronic isolation valve between air inlet tuber pipe and the air-blower, be provided with electronic isolation valve between air exhaust tuber pipe and the exhaust fan.
Preferably, the utility model discloses still include the soundproof door, the soundproof door sets up on compound sound absorption and insulation board.
Preferably, the steelframe adopts the frame steel construction of loose joint formula.
Preferably, the air inlet duct and the air exhaust duct of the utility model are galvanized rectangular tubes.
Compared with the prior art, the utility model, have following advantage and effect: 1) The whole structure is simple and reasonable in design, attractive and durable, and safe in fire fighting; the sound absorption and the sound insulation are comprehensively considered, the standard modular manufacturing is adopted, the universality is strong, and the device can be disassembled and repeatedly used; 2) By arranging the integrated closed sound insulation room, the noise pollution is reduced, the harm to operators is reduced, and the noise pollution to the surrounding environment is reduced; 3) The rectangular air inlet and outlet pipes are arranged to realize the closed space of the isolation room, and meanwhile, the ventilation of the sound insulation room can be effectively controlled; 4) By additionally arranging the gas fire extinguishing system, gas fire extinguishment can be carried out on fire in the sound insulation room, so that the fire is quickly controlled, the oxygen concentration in the area can be quickly reduced to 12.5 percent within 1 minute, the fire can not be extinguished by maintaining combustion, and reliable fire safety is provided; 5) The noise control target of the application is that the weighted sound pressure level of the A sound level is less than or equal to 75dB (A) at a position 1m away from the ground and 1.2m outside a sound insulation room after noise control; the actually measured maximum noise value of the turboset is about 98dB (A), the noise reduction amount is more than or equal to 23dB (A) according to the requirement of the noise reduction standard value of 75dB (A), but the noise leakage influence caused by non-human is considered, and the noise reduction amount is designed to be more than or equal to 25dB (A).
Drawings
Fig. 1 is a perspective structural schematic view of a sound insulation room according to an embodiment of the present invention.
Fig. 2 is a schematic view of the arrangement structure of the sound absorption and insulation composite board on the side of the sound insulation room in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an IG541 fire extinguishing system according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of an air inlet and outlet system according to an embodiment of the present invention.
In the figure: the device comprises a composite sound absorption and insulation plate 1, a steel frame 2, an air inlet pipe 3, an air blower 4, an electric isolation valve 5, an air exhaust pipe 6, an exhaust fan 7, a sound insulation door 9, an IG541 mixed gas storage device 10, an IG541 mixed gas starting device 11, a PLC (programmable logic controller) 12 and a temperature detector 13.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 4, the multifunctional sound insulation room of the present embodiment includes a composite sound absorption and insulation board 1, a steel frame 2, an air intake duct 3, an air blower 4, an electric isolation valve 5, an air exhaust duct 6, an air exhaust fan 7, a sound insulation door 9, an ig541 mixed gas storage device 10, an ig541 mixed gas starting device 11, a plc controller 12, a temperature detector 13, a lighting facility, and supporting auxiliary materials.
The steel frame 2 in the embodiment adopts a steel structure of a movable joint type frame, and can be detached and reused; the composite sound absorption and insulation plate 1 is prefabricated and standardized and can be repeatedly used; the air inlet pipes 3 are arranged at the bottoms of two sides of the wall according to the size of the sound insulation room, the air inlet pipes 3 are connected with the air blower 4 after exiting the sound insulation room, the air exhaust pipes 6 are arranged at the top of the inner side of the sound insulation room, the air exhaust pipes 6 are connected with the air exhauster 7 after exiting the sound insulation room, and the temperature detector 13 is arranged far away from an air port; the IG541 mixed gas steel cylinder frame, the fire alarm controller and the like are arranged outside the sound insulation room, the fire detector is arranged on the roof according to the shape of the sound insulation room, and the gas nozzles and the pipelines are arranged at intervals along the inner wall of the sound insulation room at a certain height; the lighting facilities are arranged at certain intervals according to the size of the sound insulation room.
The working process of the embodiment is as follows:
(1) After the steel frame 2 is assembled according to the situation of field equipment, the composite sound absorption and insulation plate 1 is sequentially assembled, and then the air inlet pipe 3, the air exhaust pipe 6, the sound insulation door 9, the air blower 4, the exhaust fan 7, the IG541 mixed gas storage device 10, the IG541 mixed gas starting device 11, the lighting facilities and the like are arranged and installed, so that a closed space is formed in the whole sound insulation room.
(2) The outer surface is plated with the aluminium zinc sound insulation board, the damping layer, the sound absorption glass wool, the hydrophobic glass fiber cloth, the inner plated with the aluminium zinc sound absorption pore board form the compound sound absorption and insulation board 1 module, two adjacent modules are locked through bolts, the bearing steel structure adopts a loose joint mode, the modules can be disassembled to facilitate the maintenance of the unit, and the sound insulation room is reassembled after the maintenance is finished; the sound insulation room can be replaced and assembled additionally, so that the purpose of repeated use is achieved.
(3) When the temperature detector 13 detects that the temperature in the isolation room is too high, the PLC 12 simultaneously starts the exhaust fan 7 and the blower 4 to perform forced ventilation and heat dissipation; the PLC 12 can be set according to actual operation experience, and the exhaust fan 7 and the blower 4 are started to ventilate at certain time intervals; the exhaust fan 7 and the blower 4 can be manually opened at the isolation door for ventilation and heat dissipation.
(4) The fire detector sends out a fire alarm signal, the fire alarm controller sends out sound and light alarm, after 0-30S delay, a fire extinguishing instruction is given (after sound and light alarm, personnel in a protective area must be evacuated rapidly at the moment), the alarm host outputs a DC24V/1.5A fire extinguishing signal to drive the starting bottle electromagnetic starter, the nitrogen is opened to start the bottle head valve, and then the bottle head valve is opened to release the fire extinguishing agent to extinguish fire. Simultaneously, the PLC controller 12 issues a linkage command: stop the exhaust fan 7, the blower 4, close the electric isolation valve 5 of the exhaust fan 7.
The inside steel construction that bears of this embodiment sound insulation room adopts the loose joint mode, ensures that equipment overhaul can demolish, does not hinder lifting by crane of unit.
The composite sound absorption and insulation board 1 in the embodiment has comprehensive acoustic properties such as sound absorption, sound insulation and damping, and can be quickly disassembled, assembled and moved in a hanging mode by adopting a modular assembly mode; the thickness of the sound absorption and insulation plate is 100mm, the common size is W950mm L3750mm, W380mm L3750mm and W640mm L3750mm, and the pipeline passing in and out of the reserved position is prefabricated and molded according to the size.
The soundproof door 9 in this embodiment is used for daily patrol of an operator. Therefore, the installation location is determined in accordance with the site specification.
The air inlet pipe 3 and the air exhaust pipe 6 in the embodiment are galvanized rectangular pipes, the diameter of the opening of each air pipe is phi 2-3 mm, the hole spacing is 3-4 mm, and the holes are distributed in a plum-blossom shape; the trompil should be long limit 1 side, and the minor face 2 side is convenient for form air-out district, exhaust area at the trilateral tuber of rectangular pipe.
The sound insulation room of the embodiment is internally provided with an independent sealed fire protection area, an IG541 mixed gas automatic fire extinguishing system mode is adopted, and the IG541 mixed gas automatic fire extinguishing system comprises an IG541 mixed gas storage device 10 (comprising a storage container, a container valve, a one-way valve, a high-pressure hose, a collecting pipe, a safety valve, a bottle rack and the like), a starting device (comprising automatic starting, manual starting and mechanical emergency operation) and a control air pipe, a selection valve, a signal feedback device, a nozzle, a pipeline and accessories thereof. The IG541 gas fire-extinguishing system adopts 1 protection area, and sets an independent system for protection according with the current standard requirements at home and abroad. Consists of three inert gases naturally present in the atmosphere, 52% nitrogen, 40% argon and 8% carbon dioxide, respectively.
The sound insulation amount of the composite sound absorption and insulation plate 1 of the sound insulation room in the embodiment is calculated as follows:
according to the analysis of the characteristics of the noise source and the adopted noise reduction method, when the sound absorption and insulation material of the sound insulation room is selected, the effectiveness of absorption and isolation of each frequency section of the sound source is fully considered. The sound insulation room of the steam turbine set forms a relatively closed space after being built, and has obvious effect on reducing the influence of a sound source with high noise value on the outside.
(1) Calculating the surface density of the composite sound absorption and insulation board 1
According to the requirement that the theoretical sound insulation quantity is more than or equal to 25dB (A), the structural form of the sound insulation room composite sound absorption and insulation plate 1 is 2mm thick sound insulation aluminum-plated zinc plate, 2mm thick damping layer, 100mm thick 32kg/m 3 The environment-friendly sound absorption glass wool, the hydrophobic fiber cloth and the aluminum-zinc-plated sound absorption pore plate with the thickness of 0.8mm (the perforation rate is more than or equal to 25 percent, the pore diameter is 2-3 mm, the pore space is 3-4 mm, the plum blossom type cloth pores are arranged, and the edge of the perforation has no burr), and the total thickness of the composite sound absorption and insulation plate 1 is 100mm.
Density rho of composite surface of sound absorption and insulation board: ρ = aluminized zinc plate, damping layer and environment-friendly sound absorption glass wool
(2) Average sound insulation amount calculation of composite sound absorption and insulation plate 1
According to noise and vibration control engineering handbook, the sound insulation quantity of each octave band is calculated according to an actual sound insulation quantity empirical formula 1:
r = 1691m + 14lgf-29-equation 1
In the formula: m-composite sheet surface density, kg/M 2 ；
f-wave frequency, hz.
The structural configuration diagram of the sound insulation room composite sound absorption and insulation board 1 is shown in figure 1.
The sound insulation amount of the sound insulation door 9 of the embodiment is calculated as follows:
(1) Calculation of areal Density of soundproof door 9
In the structure of the composite sound absorption and insulation plate 1 of the sound insulation door 9 and the door leaf of the embodiment, the sound insulation aluminum-plated zinc plate with the thickness of 2mm, the damping layer with the thickness of 2mm, and the damping layer with the thickness of 100mm are selected to be 32kg/m 3 Environmental protection sound absorption glass wool +2mm thickness sound insulation aluminized zinc plate, composite sound absorption and insulation plate 1 total thicknessThe degree was 55mm. The door frame is made of section bars.
Composite areal density ρ of the soundproof door 9: rho = aluminum-plated zinc plate, damping layer, environment-friendly sound-absorbing glass wool and aluminum-plated zinc plate
The average sound insulation amount of the sound insulation door 9 is calculated as the average sound insulation amount of the composite sound absorption and insulation plate 1.
According to the embodiment, the sound insulation room is designed according to the size of a steam turbine unit, the combined type steel frame 2 structure is installed according to drawings, then the composite sound absorption and insulation plate 1 is installed in sequence, and the corresponding sound insulation door 9 is arranged according to the on-site maintenance requirement. According to the shape and size of the sound insulation room, lighting equipment, air inlet and outlet equipment, pipeline cable inlet and outlet sound insulation sealing, a power distribution control box and the like are respectively arranged. Hug closely the sound insulation room and arrange IG541 mist jar frame outward, IG541 mist pipeline sets up the nozzle according to sound insulation room shape interval, arranges fire detector along the sound insulation room.
The steel frame 2 of the sound insulation room adopts a frame steel structure, is completely detachable, and is convenient to install.
In the embodiment, each composite board frame is provided with a temporary hoisting structure for hoisting the board during installation or disassembly, and after the board is fixed in place, the hoisting ring is removed so as to install and splice the upper board.
The composite sound absorption and insulation board 1 in the embodiment is fixedly installed by adopting M5.5 multiplied by 125 stainless steel outer hexagonal self-drilling screws, and is fixed on a purline of a steel frame 2 from outside to inside, the fixed position of each horizontal screw of the board is 50mm away from the edge of the board, and one horizontal screw is fixed in the middle.
In the structure of the composite sound absorption and insulation plate 1 of the sound insulation door 9 and the door leaf of the embodiment, the sound insulation aluminum-plated zinc plate with the thickness of 2mm, the damping layer with the thickness of 2mm, and the damping layer with the thickness of 100mm are selected to be 32kg/m 3 The sound absorption glass wool is added with a sound insulation aluminum-zinc-plated plate with the thickness of 2mm, and the total thickness of the composite sound absorption and insulation plate is 100mm; the door frame is made of section bars.
The air inlet pipe 3 and the air exhaust pipe 6 in the embodiment are simple to process, convenient to install on site and directly fixed on the steel frame 2.
In the embodiment, fire detection is arranged in the sound insulation room, and the starting device is started to release gas to extinguish fire when the fire detector detects that the steam turbine catches fire; meanwhile, the PLC 12 stops the exhaust fan 7, the blower 4, the electric isolation valve for closing the air inlet pipe 3 and the electric isolation valve for closing the air exhaust pipe 6, so that a good and quick fire extinguishing effect is achieved.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The utility model provides a multi-functional sound insulation room, includes that compound sound insulation board (1) and steelframe (2) inhale, compound sound insulation board (1) is fixed on steelframe (2), its characterized in that: still include air inlet pipe (3), air-blower (4), air exhaust pipe (6), exhaust fan (7), IG541 mist storage device (10), IG541 mist starting drive (11) and PLC controller (12), air inlet pipe (3) set up in the inboard bottom in sound insulation room, this air inlet pipe (3) link to each other with air-blower (4), air exhaust pipe (6) are arranged at the inboard top in sound insulation room, air exhaust pipe (6) link to each other with exhaust fan (7), IG541 mist storage device (10) link to each other with IG541 mist starting drive (11), this IG541 mist storage device (10), IG541 mist starting drive (11) equipartition are put in the outside in sound insulation room, air-blower (4), exhaust fan (7), IG541 mist starting drive (11) all communicate with PLC controller (12).
2. The multi-functional sound-proof house of claim 1, characterized in that: the air conditioner further comprises a temperature detector (13), wherein the temperature detector (13) is arranged far away from the air outlet, and the temperature detector (13) is connected with the PLC (12).
3. The multi-functional sound-proof house of claim 1, characterized in that: the air-conditioner further comprises an electric isolating valve (5), wherein the electric isolating valve (5) is arranged between the air inlet pipe (3) and the air blower (4), and the electric isolating valve (5) is arranged between the air exhaust pipe (6) and the air exhaust fan (7).
4. The multi-functional sound-proof house of claim 1, characterized in that: the composite sound absorption and insulation board is characterized by further comprising a sound insulation door (9), wherein the sound insulation door (9) is arranged on the composite sound absorption and insulation board (1).
5. The multifunctional sound insulation room of claim 1, characterized in that: the steel frame (2) adopts a movable joint type frame steel structure.
6. The multi-functional sound-proof house of claim 1, characterized in that: the air inlet pipe (3) and the air exhaust pipe (6) are galvanized rectangular pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220729990.2U CN218150036U (en) | 2022-03-31 | 2022-03-31 | Multifunctional sound insulation room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220729990.2U CN218150036U (en) | 2022-03-31 | 2022-03-31 | Multifunctional sound insulation room |
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| Publication Number | Publication Date |
|---|---|
| CN218150036U true CN218150036U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220729990.2U Active CN218150036U (en) | 2022-03-31 | 2022-03-31 | Multifunctional sound insulation room |
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|---|---|
| CN (1) | CN218150036U (en) |
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- 2022-03-31 CN CN202220729990.2U patent/CN218150036U/en active Active
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