CN104695740A - Vibration-isolated construction method for ventilation air-conditioning machine room - Google Patents
Vibration-isolated construction method for ventilation air-conditioning machine room Download PDFInfo
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- CN104695740A CN104695740A CN201510006246.4A CN201510006246A CN104695740A CN 104695740 A CN104695740 A CN 104695740A CN 201510006246 A CN201510006246 A CN 201510006246A CN 104695740 A CN104695740 A CN 104695740A
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Abstract
The invention discloses a vibration-isolated construction method for a ventilation air-conditioning machine room. The method comprises steps as follows: a damper spring shock absorber and a steel reinforced concrete hybrid structured base are added below a refrigerating unit, a water inlet pipeline and a water outlet pipeline obtain horizontal vibration-proof support through a steel frame support structure, a fresh air pipeline is hoisted and mounted in a vibration isolation manner, acoustical board construction is performed on both the wall surface and the top surface, and a soundproof and fireproof door is mounted. The vibration-isolated construction method has the benefits as follows: vibration isolation supports are arranged independently for different pipelines, and collision with other pipelines can be avoided; the noise can be reduced by 24 dB effectively, the noise in the machine room is only about 32 dB, and the vibration and noise reduction effects are obvious; mounting and dismounting are convenient, construction is easy, the cost is lower, indoor air ventilation is solved effectively, ordered and effective ventilation is realized, indoor polluted air is treated rapidly and economically, and the method is particularly suitable for places with higher air quality requirements, more people activities and higher ventilation rate and requiring air change and circulation.
Description
Technical field
The present invention relates to a kind of shock insulation construction method, particularly relate to a kind of shock insulation construction method of air conditioner equipment machine room.
Background technology
Although house in the past and window sealing effectiveness bad, enter cold wind winter, summer enters hot gas, ventilation effect is fine, and natural ventilation can ensure the quality of room air.
Along with the development of modern architecture, the raising of national building energy-saving standard, the application of the technology such as hollow glass, exterior-wall heat insulation and product, the airtight performance in house is more and more higher, and house just like becomes airtight jar and blocked the approach of natural ventilation.
But, according to the use situation of top-grade building, people generally feel that indoor humidity is bigger than normal, air is pure and fresh not, therefore be the discharge of accelerating chamber internal contamination air, effectively the most directly method is exactly the circulation improving room air, to accelerate the discharge of indoor pollution air, to accelerate the injection of outdoor fresh air.
At present, the use of VMC achieves effective in order ventilation substantially, by ventilating path reasonable in design, discharge the air of foul indoor and sent into by treated for outdoor fresh air indoor, can reach rapidly, administering economically the effect of indoor pollution air.
But because the requirement of people to environment of living is more and more higher, to environmental noise and vibration relatively sensitivity, new Ventilator Room to greatest extent anti-vibration and noise has just become the emphasis in building operations now.
The generation of existing new Ventilator Room noise and vibration is generally owing to producing noise when electromechanical equipment runs, comprise air borne sound and solid-borne sound (vibration), the power of disturbing simultaneously produced due to inertia force and the bias imbalance of rotary part can cause part of appliance to produce forced vibration, and vibrates to produce with the space radiation towards periphery of the form of sound by the coupling part of plant bottom case, pipeline and building and transmit solid-borne sound.
Summary of the invention
Main purpose of the present invention is, overcome deficiency of the prior art, a kind of shock insulation construction method of air conditioner equipment machine room is provided, be specially adapted to higher to air quality requirements, that personnel activity is more, ventilation rate is more need realize interchange of air and circulation place, the buildings such as such as hospital, KTV, Internet bar, hotel, market, factory, office premises, restaurant, bank, classroom, kindergarten.
Technical problem to be solved by this invention be to provide compact conformation, easy accessibility, construction easily, the shock insulation construction method of lower, safe and reliable, the practical air conditioner equipment machine room of cost, not only vibration and noise reducing, successful, and effectively solve indoor air exchange, realize effective in order ventilation, reach and administer indoor pollution air rapidly, economically, obviously improve dwelling environment, environmental-friendly and comfortable, and there is the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
A shock insulation construction method for air conditioner equipment machine room, described air conditioner equipment machine room is arranged on mechanical floor, comprises freezing unit, the inlet channel be connected with freezing unit and outlet conduit, is connected and fresh air pipeline for blowing with freezing unit; The construction of its shock insulation comprises the following steps:
Step 1: steel reinforced concrete combination construction pedestal is set at mechanical floor, installs damping spring shock absorber between steel reinforced concrete combination construction pedestal and mechanical floor; Freezing unit is arranged on the upper surface of steel reinforced concrete combination construction pedestal;
Step 2: inlet channel is all connected with freezing unit by connecting hose with one end of outlet conduit, the other end away from after freezing unit by being arranged on the shockproof support of steelframe braced structures acquisition level on mechanical floor;
Described steelframe braced structures comprises the rubber vibration isolation acoustic pad, compound vibration isolation pedestal, adjustable spring shock absorber one, steelframe, elastic bracket one and the anchor ear one that connect successively from bottom to top; Described inlet channel and outlet conduit are fixed in the elastic bracket one on steelframe by anchor ear one, be provided with rubber strip one between described inlet channel and outlet conduit and anchor ear one, elastic bracket one;
Step 3: import and export at the blower fan of fresh air pipeline and all fix a silencer;
Step 4: lifting vibration isolation is carried out to fresh air pipeline and installs;
Step 4-1: carry out gallows frame installation, when suspension bracket spacing should meet level installation, fresh air pipeline diameter or large limit are less than 400mm and require that suspension bracket spacing is no more than 4m, and fresh air pipeline diameter or large limit are more than or equal to 400mm and then require that suspension bracket spacing is no more than 3m;
Step 4-2: install elastic bracket two and anchor ear two successively from bottom to top on gallows frame, be fixed in elastic bracket two by fresh air pipeline by anchor ear two, is also provided with rubber strip two between fresh air pipeline and anchor ear two, elastic bracket two;
Fresh air pipeline adopts flangeless conjunction mode, and carries out Surgery therapy with rock wool acoustical absorption heat preserving plate, and described rock wool acoustical absorption heat preserving plate bar for line is fixed;
Be provided with adjustable spring shock absorber two between described gallows frame and elastic bracket two, for realizing vibration isolation, or described gallows frame is hung by suspension spring damper and is located at end face, for realizing vibration isolation;
Step 4-3: the laying carrying out rectangle external thermal insulation;
Step 5: carry out the construction of metope abatvoix;
Step 5-1: measure metope real size, confirms installation site, determines horizon and vertical line, determines that the sky of cutting of wire-socket or pipe reserves size;
Step 5-2: install wall surface keel along metope, described wall surface keel comprises carrying main joist and clad can rider keel; Use setscrew to install carrying main joist and metope to fix, fix according to the wide transverse direction of 1200mm, joint area carries out staggered, and keep staggering distance >=60mm carry out the adjustment of levelness and verticality, and rear edge carries main joist direction and lays glass silk flosssilk wadding; Directly snap in clad can rider keel by main joist grab, the spacing of clad can rider keel is 400mm, and joint area carries out staggered, keeps staggering distance >=60mm;
Step 5-3: carry out the construction of envelope gypsum plank, install gypsum plank from by side, corner, the long side direction of gypsum plank is parallel to carrying main joist, perpendicular to clad can rider keel; The gypsum plank fissure of displacement is installed, is not formed straight joint; Fixed by gypsum plank with self-tapping screw, screw afterbody gos deep into gypsum plank plate face 0.5mm, and screw distance edges of boards are greater than 10mm, distance cutting edge is greater than 15mm; Joint treatment is carried out to gypsum plank;
Step 5-4: carry out the construction of subsides abatvoix, install 600mm*600mm abatvoix from by side, corner, use building adhesive to carry out the fissure of displacement and paste installation, corner is strengthened fixing with nailing;
Step 6: carry out the construction of end face abatvoix;
Step 6-1: snap the line setting-out, is as the criterion with indoor reference line absolute altitude, and metope finds the design elevation point of furred ceiling, along the setting-out of metope periphery snap the line; According to snap the line, install along keelson along metope periphery;
Step 6-2: hanger erection, be apart from snap the line on floor with 1.2m, beat boom hole, load expansion bolt, fixed derrick, with keelson height for benchmark, with horizon determination screw thread length of boom; Carry out horizontal adjustment again, determine top cap nut position height with horizon on suspension rod, the screw screwing suspension rod meets the requirements of height, ensures that the bottom surface horizon of end face keel is consistent with along keelson bottom line;
Step 6-3: install end face keel and baked keel, uses suspension rod to be fixed by end face keel, meets the requirements of height; Use connector to be fixed on end face keel by baked keel, meet the requirements of height and integral level degree;
Step 6-4: carry out end face abatvoix and lay, is from left to right sequentially placed on baked keel by end face abatvoix;
Step 7: sound insulated fire door is installed;
Building adhesive is used door abatvoix to be pasted the inner side of labeled door, and at ground mounting limit device, for the protection of door abatvoix.
The present invention is set to further: described steelframe is portal frame or drum steelframe.
The present invention is set to further: described elastic bracket one and elastic bracket two are DT type caoutchouc elasticity bracket.
The present invention is set to further: described connecting hose is arranged on the side of freezing unit.
The present invention is set to further: described connecting hose is rubber flexible connecting pipe.
The present invention is set to further: the cross section of described fresh air pipeline is for circular or oval.
Compared with prior art, the beneficial effect that the present invention has is:
1, vibration and noise reducing, effective solution indoor air exchange, realize effective in order ventilation, reach and administer indoor pollution air rapidly, economically, obviously improve dwelling environment, be specially adapted to higher to air quality requirements, that personnel activity is more, ventilation rate is more need realize interchange of air and circulation place.
2, damping spring shock absorber and steel reinforced concrete combination construction pedestal is increased under the freezing unit in air conditioner equipment machine room, inlet channel and outlet conduit obtain the shockproof support of level by steelframe braced structures, fresh air pipeline carries out lifting vibration isolation and installs, the metope end face of machine room all carries out abatvoix construction, and installation sound insulated fire door, its different pipeline independently arranges vibration isolation support, can avoid colliding with other pipelines; Can reduce noise 24 decibels efficiently, make to be only about 32 decibels in machine room, effect of vibration and noise reduction is obvious; Meanwhile, indoor air exchange is well orderly, environmental-friendly and comfortable.
Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is that structural representation is faced in the installation of freezing unit in air conditioner equipment machine room of the present invention;
Fig. 2 be in air conditioner equipment machine room of the present invention inlet channel and outlet conduit face structural representation;
Fig. 3 is the side-looking structural representation of inlet channel and outlet conduit in air conditioner equipment machine room of the present invention;
Fig. 4 is a kind of mounting structure cut-away view of fresh air pipeline in air conditioner equipment machine room of the present invention;
Fig. 5 is another mounting structure cut-away view of fresh air pipeline in air conditioner equipment machine room of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
Air conditioner equipment machine room is as shown in Figure 1, Figure 2 and Figure 3 arranged on mechanical floor 10, comprises freezing unit 1, the inlet channel 2 be connected with freezing unit 1 and outlet conduit 3, is connected and fresh air pipeline 4 for blowing with freezing unit 1.
The invention provides the shock insulation construction method of air conditioner equipment machine room, comprise following shock insulation construction sequence:
Step 1: arrange steel reinforced concrete combination construction pedestal 11 at mechanical floor 10, installs damping spring shock absorber 12 between steel reinforced concrete combination construction pedestal 11 and mechanical floor 10; Freezing unit 1 is arranged on the upper surface of steel reinforced concrete combination construction pedestal 11, as shown in Figure 1; Damping spring shock absorber uniform force, reduces vibration isolation center of gravity, ensures freezing unit resistance to overturning, freezing unit vibration is controlled and the amplitude of minimizing own, ensures the normal operation of freezing unit.
Step 2: inlet channel 2 is all connected with freezing unit 1 by connecting hose 13 with one end of outlet conduit 3, the other end away from after freezing unit 1 by being arranged on the shockproof support of steelframe braced structures 20 acquisition level on mechanical floor 10, as shown in Figure 1, described connecting hose be arranged on freezing unit side, be rubber flexible connecting pipe;
As shown in Figures 2 and 3, described steelframe braced structures 20 comprises the rubber vibration isolation acoustic pad 21, compound vibration isolation pedestal 22, adjustable spring shock absorber 1, steelframe 24, elastic bracket 1 and the anchor ear 1 that connect successively from bottom to top; Described steelframe 24 is drum steelframe, and described elastic bracket 1 is DT type caoutchouc elasticity bracket; Described inlet channel 2 and outlet conduit 3 are fixed in the elastic bracket 1 on steelframe 24 by anchor ear 1, be provided with rubber strip 1 between described inlet channel 2 and outlet conduit 3 and anchor ear 1, elastic bracket 1.
Step 3: import and export at the blower fan of fresh air pipeline 4 and all fix a silencer, noise about 10 decibels can be reduced relative to the situation without sound absorber.
Step 4: lifting vibration isolation is carried out to fresh air pipeline 4 and installs;
Step 4-1: carry out gallows frame 40 and install, when suspension bracket 40 spacing should meet level installation, fresh air pipeline 4 diameter or large limit are less than 400mm and require that suspension bracket 40 spacing is no more than 4m, and fresh air pipeline 4 diameter or large limit are more than or equal to 400mm and then require that suspension bracket 40 spacing is no more than 3m;
Step 4-2: install elastic bracket 2 41 and anchor ear 2 42 successively from bottom to top on gallows frame 40, fresh air pipeline 4 is fixed in elastic bracket 2 41 by anchor ear 2 42, also between fresh air pipeline 4 and anchor ear 2 42, elastic bracket 2 41, is provided with rubber strip 2 43; Described elastic bracket 2 41 is also DT type caoutchouc elasticity bracket;
Wherein, fresh air pipeline 4 adopts flangeless conjunction mode, and carrying out Surgery therapy by rock wool acoustical absorption heat preserving plate (not shown), described rock wool acoustical absorption heat preserving plate bar for line is fixed, and rock wool has fire prevention, insulation and the effect of sound-absorbing can improve fresh air pipeline vibration isolation; The cross section of described fresh air pipeline 4 is circular or oval;
As shown in Figure 4, adjustable spring shock absorber 2 44 is provided with between described gallows frame 40 and elastic bracket 2 41, for realizing vibration isolation; Or as shown in Figure 5, described gallows frame 40 is hung by suspension spring damper 45 and is located at end face, for realizing vibration isolation;
Step 4-3: the laying carrying out rectangle external thermal insulation.
Different pipelines in air conditioner equipment machine room independently arrange vibration isolation support, can avoid colliding with other pipelines and producing noise.
Step 5: carry out the construction of metope abatvoix;
Step 5-1: measure metope real size, confirms installation site, determines horizon and vertical line, determines that the sky of cutting of wire-socket or pipe reserves size;
Step 5-2: install wall surface keel along metope, described wall surface keel comprises carrying main joist and clad can rider keel; Use setscrew to install carrying main joist and metope to fix, fix according to the wide transverse direction of 1200mm, joint area carries out staggered, and keep staggering distance >=60mm carry out the adjustment of levelness and verticality, and rear edge carries main joist direction and lays glass silk flosssilk wadding; Directly snap in clad can rider keel by main joist grab, the spacing of clad can rider keel is 400mm, and joint area carries out staggered, keeps staggering distance >=60mm;
Step 5-3: carry out the construction of envelope gypsum plank, install gypsum plank from by side, corner, the long side direction of gypsum plank is parallel to carrying main joist, perpendicular to clad can rider keel; The gypsum plank fissure of displacement is installed, is not formed straight joint; Fixed by gypsum plank with self-tapping screw, screw afterbody gos deep into gypsum plank plate face 0.5mm, and screw distance edges of boards are greater than 10mm, distance cutting edge is greater than 15mm; Joint treatment is carried out to gypsum plank;
Step 5-4: carry out the construction of subsides abatvoix, install 600mm*600mm abatvoix from by side, corner, use building adhesive to carry out the fissure of displacement and paste installation, corner is strengthened fixing with nailing.
Step 6: carry out the construction of end face abatvoix;
Step 6-1: snap the line setting-out, is as the criterion with indoor reference line absolute altitude, and metope finds the design elevation point of furred ceiling, along the setting-out of metope periphery snap the line; According to snap the line, install along keelson along metope periphery;
Step 6-2: hanger erection, be apart from snap the line on floor with 1.2m, beat boom hole, load expansion bolt, fixed derrick, with keelson height for benchmark, with horizon determination screw thread length of boom; Carry out horizontal adjustment again, determine top cap nut position height with horizon on suspension rod, the screw screwing suspension rod meets the requirements of height, ensures that the bottom surface horizon of end face keel is consistent with along keelson bottom line;
Step 6-3: install end face keel and baked keel, uses suspension rod to be fixed by end face keel, meets the requirements of height; Use connector to be fixed on end face keel by baked keel, meet the requirements of height and integral level degree;
Step 6-4: carry out end face abatvoix and lay, is from left to right sequentially placed in end face abatvoix on baked keel.
Step 7: sound insulated fire door is installed;
Building adhesive is used door abatvoix to be pasted the inner side of labeled door, and at ground mounting limit device, for the protection of door abatvoix.
More than show and describe general principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a shock insulation construction method for air conditioner equipment machine room, described air conditioner equipment machine room is arranged on mechanical floor, comprises freezing unit, the inlet channel be connected with freezing unit and outlet conduit, is connected and fresh air pipeline for blowing with freezing unit; It is characterized in that, comprise following shock insulation construction sequence:
Step 1: steel reinforced concrete combination construction pedestal is set at mechanical floor, installs damping spring shock absorber between steel reinforced concrete combination construction pedestal and mechanical floor; Freezing unit is arranged on the upper surface of steel reinforced concrete combination construction pedestal;
Step 2: inlet channel is all connected with freezing unit by connecting hose with one end of outlet conduit, the other end away from after freezing unit by being arranged on the shockproof support of steelframe braced structures acquisition level on mechanical floor;
Described steelframe braced structures comprises the rubber vibration isolation acoustic pad, compound vibration isolation pedestal, adjustable spring shock absorber one, steelframe, elastic bracket one and the anchor ear one that connect successively from bottom to top; Described inlet channel and outlet conduit are fixed in the elastic bracket one on steelframe by anchor ear one, be provided with rubber strip one between described inlet channel and outlet conduit and anchor ear one, elastic bracket one;
Step 3: import and export at the blower fan of fresh air pipeline and all fix a silencer;
Step 4: lifting vibration isolation is carried out to fresh air pipeline and installs;
Step 4-1: carry out gallows frame installation, when suspension bracket spacing should meet level installation, fresh air pipeline diameter or large limit are less than 400mm and require that suspension bracket spacing is no more than 4m, and fresh air pipeline diameter or large limit are more than or equal to 400mm and then require that suspension bracket spacing is no more than 3m;
Step 4-2: install elastic bracket two and anchor ear two successively from bottom to top on gallows frame, be fixed in elastic bracket two by fresh air pipeline by anchor ear two, is also provided with rubber strip two between fresh air pipeline and anchor ear two, elastic bracket two;
Fresh air pipeline adopts flangeless conjunction mode, and carries out Surgery therapy with rock wool acoustical absorption heat preserving plate, and described rock wool acoustical absorption heat preserving plate bar for line is fixed;
Be provided with adjustable spring shock absorber two between described gallows frame and elastic bracket two, for realizing vibration isolation, or described gallows frame is hung by suspension spring damper and is located at end face, for realizing vibration isolation;
Step 4-3: the laying carrying out rectangle external thermal insulation;
Step 5: carry out the construction of metope abatvoix;
Step 5-1: measure metope real size, confirms installation site, determines horizon and vertical line, determines that the sky of cutting of wire-socket or pipe reserves size;
Step 5-2: install wall surface keel along metope, described wall surface keel comprises carrying main joist and clad can rider keel; Use setscrew to install carrying main joist and metope to fix, fix according to the wide transverse direction of 1200mm, joint area carries out staggered, and keep staggering distance >=60mm carry out the adjustment of levelness and verticality, and rear edge carries main joist direction and lays glass silk flosssilk wadding; Directly snap in clad can rider keel by main joist grab, the spacing of clad can rider keel is 400mm, and joint area carries out staggered, keeps staggering distance >=60mm;
Step 5-3: carry out the construction of envelope gypsum plank, install gypsum plank from by side, corner, the long side direction of gypsum plank is parallel to carrying main joist, perpendicular to clad can rider keel; The gypsum plank fissure of displacement is installed, is not formed straight joint; Fixed by gypsum plank with self-tapping screw, screw afterbody gos deep into gypsum plank plate face 0.5mm, and screw distance edges of boards are greater than 10mm, distance cutting edge is greater than 15mm; Joint treatment is carried out to gypsum plank;
Step 5-4: carry out the construction of subsides abatvoix, install 600mm*600mm abatvoix from by side, corner, use building adhesive to carry out the fissure of displacement and paste installation, corner is strengthened fixing with nailing;
Step 6: carry out the construction of end face abatvoix;
Step 6-1: snap the line setting-out, is as the criterion with indoor reference line absolute altitude, and metope finds the design elevation point of furred ceiling, along the setting-out of metope periphery snap the line; According to snap the line, install along keelson along metope periphery;
Step 6-2: hanger erection, be apart from snap the line on floor with 1.2m, beat boom hole, load expansion bolt, fixed derrick, with keelson height for benchmark, with horizon determination screw thread length of boom; Carry out horizontal adjustment again, determine top cap nut position height with horizon on suspension rod, the screw screwing suspension rod meets the requirements of height, ensures that the bottom surface horizon of end face keel is consistent with along keelson bottom line;
Step 6-3: install end face keel and baked keel, uses suspension rod to be fixed by end face keel, meets the requirements of height; Use connector to be fixed on end face keel by baked keel, meet the requirements of height and integral level degree;
Step 6-4: carry out end face abatvoix and lay, is from left to right sequentially placed on baked keel by end face abatvoix;
Step 7: sound insulated fire door is installed;
Building adhesive is used door abatvoix to be pasted the inner side of labeled door, and at ground mounting limit device, for the protection of door abatvoix.
2. the shock insulation construction method of air conditioner equipment machine room according to claim 1, is characterized in that: described steelframe is portal frame or drum steelframe.
3. the shock insulation construction method of air conditioner equipment machine room according to claim 1, is characterized in that: described elastic bracket one and elastic bracket two are DT type caoutchouc elasticity bracket.
4. the shock insulation construction method of air conditioner equipment machine room according to claim 1, is characterized in that: described connecting hose is arranged on the side of freezing unit.
5. the shock insulation construction method of air conditioner equipment machine room according to claim 1, is characterized in that: described connecting hose is rubber flexible connecting pipe.
6. the shock insulation construction method of air conditioner equipment machine room according to claim 1, is characterized in that: the cross section of described fresh air pipeline is for circular or oval.
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| CN201510006246.4A CN104695740B (en) | 2015-01-06 | 2015-01-06 | The shock insulation construction method of air conditioner equipment machine room |
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| CN201510006246.4A CN104695740B (en) | 2015-01-06 | 2015-01-06 | The shock insulation construction method of air conditioner equipment machine room |
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| CN105928180A (en) * | 2016-05-25 | 2016-09-07 | 青岛海川建设集团有限公司 | Environmentally-friendly noise reduction structure of VRV (Variable Refrigerant Volume) air-conditioning system and construction method thereof |
| CN106197680A (en) * | 2016-06-24 | 2016-12-07 | 湖北久之洋红外系统股份有限公司 | Detector refrigeration machine integrated system for formula thermal infrared imager of mourning in silence |
| CN106223645A (en) * | 2016-07-30 | 2016-12-14 | 浙江天诚中央空调工程有限公司 | Air conditioner base-isolated equipment machine room and construction method thereof and regulation system |
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| CN108265754A (en) * | 2016-12-30 | 2018-07-10 | 北京市第五建筑工程集团有限公司 | Anechoic chamber's construction method |
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| CN106197680B (en) * | 2016-06-24 | 2019-01-01 | 湖北久之洋红外系统股份有限公司 | Detector refrigeration machine integrated system for silent formula thermal infrared imager |
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| CN108265754B (en) * | 2016-12-30 | 2019-05-28 | 北京市第五建筑工程集团有限公司 | Anechoic chamber's construction method |
| CN107763759A (en) * | 2017-09-30 | 2018-03-06 | 南京市园林规划设计院有限责任公司 | A kind of building in the style of the ancients air-conditioner outdoor unit concealed structure |
| CN109990030A (en) * | 2019-05-06 | 2019-07-09 | 中建一局集团安装工程有限公司 | A kind of flexibility computer room shock mitigation system and its foundation construction method |
| CN111894313A (en) * | 2020-06-30 | 2020-11-06 | 圣晖系统集成集团股份有限公司 | Prefabricating method of integral machine room |
| CN114688205A (en) * | 2020-12-31 | 2022-07-01 | 北京科益虹源光电技术有限公司 | Vibration isolation structure and impeller rotor system for laser |
| CN114688205B (en) * | 2020-12-31 | 2023-08-29 | 北京科益虹源光电技术有限公司 | Vibration isolation structure and impeller rotor system for laser |
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Effective date of registration: 20180620 Address after: 226100 Changle Town, Haimen City, Nantong City, Jiangsu Province Patentee after: Nantong Zhongnan Construction Equipment Installation Co.,Ltd. Address before: 226124 Eastern District, 5 floor, Zhongnan group, Changle Town, Nantong, Jiangsu Patentee before: Jiangsu Zhongnan Construction Industry Group Co., Ltd. |