CN103266791B - A kind of sound insulation cover room of coal mill - Google Patents
A kind of sound insulation cover room of coal mill Download PDFInfo
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- CN103266791B CN103266791B CN201310218514.XA CN201310218514A CN103266791B CN 103266791 B CN103266791 B CN 103266791B CN 201310218514 A CN201310218514 A CN 201310218514A CN 103266791 B CN103266791 B CN 103266791B
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- style strip
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Abstract
The present invention relates to a kind of sound insulation cover room of coal mill, comprise foundation structure, style strip, lighting device and ventilation installation, wherein, described foundation structure is by M18 × 150 swell fixture, skeleton and Shockproof rubber are formed, M18 × 150 steel swell fixture and skeleton and Shockproof rubber directly and ground and style strip be connected to a fixed, described skeleton adopts device of shifting block type structure by square type square tube, the angle bar of channel-section steel and different size is welded, wherein channel-section steel is 100mm × 48mm × 5mm basis channel-section steel, according to the structure of style strip, style strip is divided into several plates, again by several screws by covering being respectively M16 attachment screw and being connected in one in compressing bolt box, lighting device and ventilation installation are arranged on skeleton respectively.
Description
Technical field
The invention belongs to mechanical equipment technical field, be specifically related to a kind of sound insulation cover room of coal mill.
Background technology
At present, sound insulation cover room of coal mill is by metal framework, steel plate, noise elimination orifice plate, sound insulation materials forms, effectively can isolate and reduce coal pulverizer noise, noise enclosure is the removable full-closed structure of plate, unit noise source is isolated, overall leak rate reaches≤and 4 ‰, there is well-to-do space for maintenance noise enclosure inside, access door is set and closes inspection window, also have and ventilate and illuminator, and with power controling box, noise enclosure and unit body are rigidly connected without any, avoid overhead speaker transaudient, device is adopted to be connected between sound insulation module with plate, and have Sign Board to indicate, dismounting is flexible at any time.
Applicant is on the basis in original coal pulverizer sound-deadening and noise-reducing case room, Curve guide impeller novel environment friendly in addition, noise reduction, efficient device of shifting block type sound insulation cover room of coal mill, by metal framework, steel plate, noise elimination orifice plate, sound insulation materials forms, effectively can isolate and reduce coal pulverizer noise, noise enclosure room is the removable full-closed structure of plate, coal pulverizer noise source is isolated, overall leak rate reaches≤and 2 ‰, there is well-to-do space for maintenance inside, noise enclosure room, access door is set and closes inspection window, also have and ventilate and illuminator, and with power controling box, noise enclosure room and coal pulverizer body are rigidly connected without any, avoid overhead speaker transaudient, device is adopted to be connected between sound insulation module with plate, and have Sign Board to indicate, dismounting is flexible at any time.
Summary of the invention
The object of the present invention is to provide a kind of noise enclosure room that effectively can isolate reduction coal pulverizer noise.
In order to realize foregoing invention object, this application provides following technical scheme:
A kind of sound insulation cover room of coal mill, comprise foundation structure, style strip plate combines, lighting device and ventilation installation, wherein, described foundation structure is by swell fixture, skeleton and Shockproof rubber are formed, skeleton and Shockproof rubber are connected to a fixed with ground and style strip by swell fixture respectively, described skeleton adopts device of shifting block type structure by square type square tube, the angle bar of channel-section steel and different size is welded, described channel-section steel is 100mm × 48mm × 5mm basis channel-section steel, the combination of style strip plate is according to the structure of style strip, style strip is divided into several plates, be connected in one by the M16 attachment screw covered in compressing bolt box by several screws again, form the combination of style strip plate, lighting device is arranged at skeleton top, ventilation installation is arranged at skeleton side.
Wherein, the plate face that described style strip plate combines the style strip adopted is of a size of wide the cold rolling roll bending of mm × 1250, δ=1.2 mm × C, wherein, 1.2mm is sound attenuation hole plate thickness, 1250mm is the width of commercially available style strip, C is style strip height, identical with the height in cover room, the thickness in style strip plate face 1 is 2.0mm-3.0mm, through smoothing, stretch, shear, fold-type spot welding is fixed on skeleton, casing interior is coated with spreads eliminate the noise resistance mud layer and wire gauze, the rotary glass silk floss of two-layer different specific weight, be separated with ethene diaphragm plate, inwall adopts SW sound insulation muffler plate with rotary glass silk cloth, MPD sound-insulating coating, integral thickness is 100mm, reach the effect of noise elimination solar heat protection, and the length in every block style strip plate face × wide is all one block of whole plate, without any seam, plate face and skeleton spot welder spot-welded together, and plate face flat smooth no concave-convex defect.
Wherein, top, described cover room skeleton arranges explosion-proof lighting lamp, it is completed by aviation plug that the electric wire often organized on light fixture connects, and the illumination in cover room is divided into hand switch and infrared rays to shake control two kinds of lighting devices, and the electrical appliance part in cover room is explosion-proof electric apparatus.
Wherein, 3 meters, the both sides At The Height in cover room arranges the ventilation installation to lower outside row, inside sets alternating voltage as the exhaust blower of 220V, and bottom is provided with the ventilation grid with laser boring, and this ventilation installation is provided with start button and accomplishes heat extraction at any time, reaches the effect of ventilation and heat.
Wherein, around style strip equipment, leave passage, the needs that unit and equipment overhaul in operation maintenance can be ensured, and respectively in the middle part of style strip, both ends and both sides are equipped with the manually operated door of opens outward, described door is closed by interior spring lock.
Wherein, the power supply that described cover room uses is supply frequency 50HZ, alternating voltage 220V.
According to the needs of power plant, can according to makeup plate inwall Sign Board, any dismounting often organizes plate, is equipped with the lifting screw of same size above each plate, easy accessibility and safety.
Illumination: in order to make style strip overall appearance and maintenance conveniently, top arranges explosion-proof lighting lamp, the electric wire connection often organized on light fixture is completed by aviation plug.And hand switch and infrared rays can be divided into shake control two kinds of lighting devices for the illumination in style strip or other requires.The electrical appliance part (light fixture, switch etc.) in case room (style strip) all uses explosion-proof electric apparatus.
Safety: this style strip, owing to being plate combination, fix by attachment screw completely, and attaching nut being welded on skeleton, having suspension ring hole seat at style strip top between plate and plate.Once dismounting, two people and two common wrench are had to complete.Fully take into account the large light maintenance of unit or reduce disassemble and assemble work amount according to need of work.Can any one group of plate of dismounting arbitrarily.
Ventilate: 3 meters, the both sides At The Height in case room arranges the ventilation installation to lower outside row, inside establish exhaust blower (alternating voltage 220V), bottom is provided with the ventilation grid with laser boring, and this ventilation installation is provided with start button and accomplishes as required heat extraction at any time, reaches the effect of ventilation and heat.
Space: the most important requirement of style strip design is exactly: the requirement that must meet unit and staff, for ease of the turnover of staff and observation and tour around main frame, must leave rational space and passage around equipment.
Style strip should ensure unit and equipment safety operation demand.
Style strip should ensure the needs that unit and equipment overhaul in operation maintenance.
Door: according to the structure of style strip and the deployment scenarios of unit, respectively at middle part, both ends and both sides are equipped with the manually operated door of opens outward.This door is closed nimbly and freely by interior spring lock, attractive and durable, close tight, indeformable, the position offered is reasonable, is convenient to staff's turnover.
Following newest standards is observed in the design, manufacture, inspection, experiment etc. of table 1 sound insulation cover room of coal mill
| Electric power safety job specification | (national grid safety supervision No. 2005}83) |
| Electric power construction and standards of acceptance | DLJ52 |
| The base form of gas welding, manual electric arc welding and gas shield weld seam groove and size | GGB985 |
| Code for design of noise cintrol in industrial enterprises | GBJ87—85 |
| Cleaning | B80.8-91 steam turbine cleannes technical standard performs |
| Paint | B/Z35.1-2006 technical standard performs |
| Power station steam turbine generator noise testing way | GB7441--87 |
| Packaging general technical specifications | JB/ZQ4286 |
beneficial effect
1, on the basis in original coal pulverizer sound-deadening and noise-reducing case room; Curve guide impeller novel environment friendly in addition; noise reduction; efficient device of shifting block type sound insulation cover room of coal mill equipment; function is complete, advanced technology meet personal security and labour protection condition; all devices all correctly manufactures and designs, in normal conditions all can safety, continuous service is without excessive vibrations, temperature rise, wearing and tearing, phenomenon that burn into is aging.
2, the scope of design of sound insulation cover room of coal mill is coal pulverizer body, for ease of running and maintenance, the both sides in noise enclosure room are designed with the door of maintenance, and space for maintenance and the height of each rationality are left in inside, noise enclosure room, and sound insulation element takes into full account the convenience of dismounting on connecting.
3, new material is adopted in noise enclosure room, new technology, new technology utilize Principles of Acoustics to reach the effect of sound-deadening and noise-reducing, simultaneously and ensure the ventilating and cooling of original equipment and maintenance convenient, rear noise reduction is installed obviously in this noise enclosure room, and noise source declines less than 85 decibels from former level of noise and reaches environmental protection standard.
4, for ease of maintenance, inside, noise enclosure room is provided with anti-riot illuminating lamp, and it is smooth to be provided with ventilation heat abstractor guarantee noise enclosure room inner air.
Accompanying drawing explanation
The style strip side schematic view in Fig. 1 cover room;
Fig. 2 cover room schematic diagram;
The foundation structure schematic diagram in Fig. 3 cover room.
Wherein, 1 is panel; 2 is resistance mud; 3 is sound-deadening paints; 4 is wire gauze; 5 is rotary glass silk flosssilk waddings; 6 is ethene diaphragm plates; 7 is rotary glass silk flosssilk waddings; 8 is rotary glass silk cloth; 9 is noise elimination orifice plates.
Detailed description of the invention
A kind of sound insulation cover room of coal mill, comprise foundation structure, style strip, lighting device and ventilation installation, wherein, described foundation structure is by M18 × 150 swell fixture, skeleton and Shockproof rubber are formed, M18 × 150 steel swell fixture and skeleton and Shockproof rubber directly and ground and style strip be connected to a fixed, described skeleton adopts device of shifting block type structure by square type square tube, the angle bar of channel-section steel and different size is welded, wherein channel-section steel is 100mm × 48mm × 5mm basis channel-section steel, according to the structure of style strip, style strip is divided into several plates, again by several screws by covering being respectively M16 attachment screw and being connected in one in compressing bolt box, lighting device and ventilation installation are arranged on skeleton respectively.
The plate face of described style strip adopts δ=1.2 × 1250 × C wide cold rolling roll bending, through smoothing, stretch, shear, full-automatic rotating tower punch processing is by Φ 6, bridge is the muffling hole plate that the bloop of 16 mm is arranged in pattern, punching rate is 41%, with pulling rivet, inner hole plate is fixed on skeleton, casing interior is coated with spreads eliminate the noise resistance mud layer and wire gauze, the rotary glass silk floss of two-layer different specific weight, be separated with ethene diaphragm plate, inwall adopts SW sound insulation muffler plate with rotary glass silk cloth, MPD sound-insulating coating, integral thickness is 100mm, reach the effect of noise elimination solar heat protection, and the length in every block plate face × wide is all one block of whole plate, without any seam, plate face and skeleton spot welder spot-welded together, and plate face flat smooth no concave-convex defect.
Top, described cover room skeleton arranges explosion-proof lighting lamp, and it is completed by aviation plug that the electric wire often organized on light fixture connects, and the illumination in cover room is divided into hand switch and infrared rays to shake control two kinds of lighting devices, and the electrical appliance part in cover room is explosion-proof electric apparatus.
3 meters, the both sides At The Height in cover room arranges the ventilation installation to lower outside row, inside sets alternating voltage as the exhaust blower of 220V, and bottom is provided with the ventilation grid with laser boring, and this ventilation installation is provided with start button and accomplishes heat extraction at any time, reaches the effect of ventilation and heat.
Leave passage around style strip equipment, the needs that unit and equipment overhaul in operation maintenance can be ensured, and respectively in the middle part of style strip, both ends and both sides are equipped with the manually operated door of opens outward, described door is closed by interior spring lock.
The power supply that described cover room uses is supply frequency 50HZ, alternating voltage 220V.
Last it is noted that obviously, above-described embodiment is only for the application's example is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among the protection domain of the application's type.
Claims (1)
1. a sound insulation cover room of coal mill, it is characterized in that: comprise foundation structure, style strip plate combines, lighting device and ventilation installation, wherein, described foundation structure is by swell fixture, skeleton and Shockproof rubber are formed, skeleton and Shockproof rubber are connected to a fixed with ground and style strip by swell fixture respectively, described skeleton adopts device of shifting block type structure by square type square tube, the angle bar of channel-section steel and different size is welded, described channel-section steel is 100mm × 48mm × 5mm basis channel-section steel, the combination of style strip plate is according to the structure of style strip, style strip is divided into several plates, be connected in one by the M16 attachment screw covered in compressing bolt box by several screws again, form the combination of style strip plate, lighting device is arranged at skeleton top, ventilation installation is arranged at skeleton side, 3 meters, the both sides At The Height in cover room arranges the ventilation installation to lower outside row, bottom is provided with the ventilation grid with laser boring, this ventilation installation is provided with start button and accomplishes heat extraction at any time, reach the effect of ventilation and heat, the plate face that described style strip plate combines the style strip adopted is of a size of wide the cold rolling roll bending of mm × 1250, δ=1.2 mm × C, wherein, 1.2mm is sound attenuation hole plate thickness, 1250mm is the width of commercially available style strip, C is style strip height, identical with the height in cover room, the thickness in style strip plate face (1) is 2.0mm-3.0mm, through smoothing, stretch, shear, fold-type spot welding is fixed on skeleton, casing interior is coated with spreads eliminate the noise resistance mud layer and wire gauze, the rotary glass silk floss of two-layer different specific weight, be separated with ethene diaphragm plate, inwall adopts SW sound insulation muffler plate with rotary glass silk cloth, MPD sound-insulating coating, integral thickness is 100mm, reach the effect of noise elimination solar heat protection, and the length in every block style strip plate face × wide is all one block of whole plate, without any seam, plate face and skeleton spot welder spot-welded together, and plate face flat smooth no concave-convex defect, top, described cover room skeleton arranges explosion-proof lighting lamp, it is completed by aviation plug that the electric wire often organized on light fixture connects, and the illumination in cover room is divided into hand switch and infrared rays to shake control two kinds of lighting devices, electrical appliance part in cover room is explosion-proof electric apparatus, passage is left around style strip equipment, the needs that unit and equipment overhaul in operation maintenance can be ensured, and respectively in the middle part of style strip, both ends and both sides are equipped with the manually operated door of opens outward, described door is closed by interior spring lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218514.XA CN103266791B (en) | 2013-06-04 | 2013-06-04 | A kind of sound insulation cover room of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218514.XA CN103266791B (en) | 2013-06-04 | 2013-06-04 | A kind of sound insulation cover room of coal mill |
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| Publication Number | Publication Date |
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| CN103266791A CN103266791A (en) | 2013-08-28 |
| CN103266791B true CN103266791B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310218514.XA Expired - Fee Related CN103266791B (en) | 2013-06-04 | 2013-06-04 | A kind of sound insulation cover room of coal mill |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111894314A (en) * | 2020-07-06 | 2020-11-06 | 北新集团建材股份有限公司 | High-speed saw cutting edge noise reduction room for thistle board |
| CN113118359A (en) * | 2021-04-20 | 2021-07-16 | 艾承一(深圳)科技有限公司 | Aerodynamic noise elimination device and method for metal forming machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203032U (en) * | 1986-05-29 | 1987-04-15 | 江苏省无锡钢铁厂 | Multilayer material with composite structure for sound insulating and absorbing |
| CN1497532A (en) * | 2002-10-07 | 2004-05-19 | ͨ�õ�����˾ | Sound-absorbing carpet and noise attenuation method for machine |
| CN2656547Y (en) * | 2003-06-02 | 2004-11-17 | 东营新吉利技术装备有限公司 | Generator set noise control room for well-drilling |
| JP2005257763A (en) * | 2004-03-09 | 2005-09-22 | Matsushita Electric Works Ltd | Sound absorbing housing box |
| CN203374021U (en) * | 2013-06-04 | 2014-01-01 | 陈树伟 | Sound insulation hood room of coal mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070102238A1 (en) * | 2005-11-09 | 2007-05-10 | Low Reginald W | Acoustical panel using wood veneer |
-
2013
- 2013-06-04 CN CN201310218514.XA patent/CN103266791B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203032U (en) * | 1986-05-29 | 1987-04-15 | 江苏省无锡钢铁厂 | Multilayer material with composite structure for sound insulating and absorbing |
| CN1497532A (en) * | 2002-10-07 | 2004-05-19 | ͨ�õ�����˾ | Sound-absorbing carpet and noise attenuation method for machine |
| CN2656547Y (en) * | 2003-06-02 | 2004-11-17 | 东营新吉利技术装备有限公司 | Generator set noise control room for well-drilling |
| JP2005257763A (en) * | 2004-03-09 | 2005-09-22 | Matsushita Electric Works Ltd | Sound absorbing housing box |
| CN203374021U (en) * | 2013-06-04 | 2014-01-01 | 陈树伟 | Sound insulation hood room of coal mill |
Non-Patent Citations (1)
| Title |
|---|
| "高炉煤气调压阀组隔音罩的设计";苏月娟;《河北工业科技》;20120930;第29卷(第5期);第330-331页，图1 * |
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| CN103266791A (en) | 2013-08-28 |
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