CN103266791A - Sound insulation cover room of coal mill - Google Patents
Sound insulation cover room of coal mill Download PDFInfo
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- CN103266791A CN103266791A CN201310218514XA CN201310218514A CN103266791A CN 103266791 A CN103266791 A CN 103266791A CN 201310218514X A CN201310218514X A CN 201310218514XA CN 201310218514 A CN201310218514 A CN 201310218514A CN 103266791 A CN103266791 A CN 103266791A
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Abstract
The invention relates to a sound insulation cover room of a coal mill. The sound insulation cover room of the coal mill comprises a foundation structure, a makeup plate, an illuminating device and a ventilation device. The foundation structure is composed of M18*150 expansion screws, a framework and quakeproof rubber, the M18*150 expansion screws, the framework and the quakeproof rubber are directly and fixedly connected with the ground and the makeup plate, a plate structure is adopted in the framework, and the framework is formed by welding a rectangular square tube, and channel steel and angle iron of different specifications. The channel steel is 100mm*48mm*5mm base channel steel, the makeup plate is cut into a plurality of plates according to the structure of the makeup plate, the plates are connected together by a plurality of screws through M16 connecting screws covered in a formed bolt box in a compression mode, and the illuminating device and the ventilation device are respectively arranged on the framework.
Description
Technical field
The invention belongs to mechanical equipment technical field, be specifically related to a kind of coal pulverizer noise enclosure room.
Background technology
At present, coal pulverizer noise enclosure room is made up of metal framework, steel plate, noise elimination orifice plate, sound insulation materials, can effectively isolate and reduce the coal pulverizer noise, noise enclosure is the removable full-closed structure of plate, the unit noise source is isolated, whole leak rate reaches≤and 4 ‰, there is well-to-do space for maintenance noise enclosure inside, access door is set closes the inspection window, also has and ventilates and illuminator, and have a power controling box, noise enclosure and unit body do not have any being rigidly connected, and avoid overhead speaker transaudient, adopt device to be connected between sound insulation module and the plate, and having Sign Board to indicate, dismounting is flexible at any time.
The applicant is on the basis in original coal pulverizer sound-deadening and noise-reducing case room, improved the design novel environment friendly, noise reduction, efficient device of shifting block type coal pulverizer noise enclosure room, by metal framework, steel plate, the noise elimination orifice plate, sound insulation materials is formed, can effectively isolate and reduce the coal pulverizer noise, the noise enclosure room is the removable full-closed structure of plate, the coal pulverizer noise source to be isolated, whole leak rate reaches≤and 2 ‰, there is well-to-do space for maintenance inside, noise enclosure room, access door is set closes the inspection window, also have and ventilate and illuminator, and have power controling box, noise enclosure room and coal pulverizer body do not have any being rigidly connected, avoid overhead speaker transaudient, adopt device to be connected between sound insulation module and the plate, and the Sign Board sign is arranged, 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 can effectively isolate reduction coal pulverizer noise.
In order to realize the foregoing invention purpose, the application provides following technical scheme:
A kind of coal pulverizer noise enclosure room, comprise foundation structure, the combination of style strip plate, lighting device and ventilation installation, wherein, described foundation structure is by swell fixture, skeleton and Shockproof rubber constitute, swell fixture is connected to a fixed skeleton and Shockproof rubber respectively with ground and style strip, described skeleton adopts the 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 of covering in the bolt box of compression moulding by several screws again, form the combination of style strip plate, lighting device is arranged at skeleton top, and ventilation installation is arranged at the skeleton side.
Wherein, the plate face of the style strip that described style strip plate combination is adopted is of a size of wide the cold rolling roll bending of δ=1.2 mm * 1250 mm * C, wherein, 1.2mm be the sound attenuation hole plate thickness, 1250mm is the width of commercially available style strip, C is the style strip height, identical with the height in cover room, the thickness of style strip plate face 1 is 2.0mm-3.0mm, through smoothing, stretch, shear, fold-type spot welding is fixed on the skeleton, case inside 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 the 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 of every style strip plate face * wide all is a whole plate, do not have any seam, plate face and skeleton are spot-welded together with spot welder, and the smooth smooth no concave-convex defective of plate face.
Wherein, on the skeleton of top, described cover room explosion-proof lighting lamp is set, it is to finish by aviation plug that electric wire on every group of light fixture connects, and the illumination in the cover room is divided into hand switch and infrared rays shakes two kinds of lighting devices of control, and the electrical appliance part that covers in the room is explosion-proof electric apparatus.
Wherein, 3 meters of the both sides in cover room highly place arrange the ventilation installation that effluxes downwards, in establish the exhaust blower that DC voltage is 220V, the bottom is provided with the ventilation grid of usefulness laser boring, this ventilation installation is provided with start button and accomplishes heat extraction at any time, reaches the effect of ventilation and heat.
Wherein, leave passage around the style strip equipment, can guarantee unit and equipment at the needs of operation maintenance maintenance, and be equipped with the manually operated door to external-open in style strip middle part, both ends and both sides respectively, described door is closed by interior spring lock.
Wherein, the power supply that described cover room uses is supply frequency 50HZ, DC voltage 220V.
According to the needs of power plant, can be according to makeup plate inwall Sign Board, every group of plate of dismounting arbitrarily 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 convenient, top arranges explosion-proof lighting lamp, and the electric wire on every group of light fixture connects to be finished by aviation plug.And the illumination in the style strip can be divided into hand switch and infrared rays shakes two kinds of lighting devices of control or other requirement etc.The electrical appliance part in case room (style strip) (light fixture, switch etc.) is all used explosion-proof electric apparatus.
Safety: this style strip is fixed by attachment screw between plate and plate fully owing to be plate combination, and the attaching nut is welded on the skeleton, and suspension ring hole seat is arranged at the style strip top.In case dismounting has two people and two common wrench to finish.Fully take into account the big light maintenance of unit or reduce the disassemble and assemble work amount according to need of work.Any one group of plate of dismounting arbitrarily.
Ventilate: the both sides in case room highly locate to arrange the ventilation installation that effluxes downwards for 3 meters, in establish exhaust blower (DC voltage 220V), the 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, has reached the effect of ventilation and heat.
The space: the most important requirement of style strip design is exactly: must satisfy unit and staff's requirement, observe on every side and make an inspection tour for ease of staff's turnover and at main frame, must leave rational space and passage around the equipment.
Style strip should guarantee unit and equipment safety operation demand.
Style strip should guarantee 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 the middle part, both ends and both sides are equipped with the manually operated door to external-open.This door by interior spring lock close nimbly and freely, attractive and durable, close tightly, indeformable, the position of offering is reasonable, is convenient to staff's turnover.
Following newest standards is observed in the design in table 1 coal pulverizer noise enclosure room, manufacturing, inspection, experiment etc.
| The electric power safety job specification | (the national grid safety supervision 2005}83 number) |
| Electric power construction and standards of acceptance | DLJ52 |
| Base form and the size of gas welding, manual electric arc welding and gas shield weld seam groove | GGB985 |
| Code for design of noise cintrol in industrial enterprises | GBJ87—85 |
| Cleaning | B80.8-91 steam turbine cleannes technical standard is carried out |
| Paint | The B/Z35.1-2006 technical standard is carried out |
| Power station steam turbine generator noise testing way | GB7441--87 |
| The packing general technical specifications | JB/ZQ4286 |
Beneficial effect
1, on the basis in original coal pulverizer sound-deadening and noise-reducing case room; improved the design novel environment friendly; noise reduction; efficient device of shifting block type coal pulverizer noise enclosure room equipment; telotism, advanced technology also satisfy personal security and the labour protection condition; all devices all correctly manufactures and designs, all can safety under nominal situation, continuous service do not have excessive vibrations, temperature rise, wearing and tearing, phenomenon that burn into is aging.
2, the scope of design in coal pulverizer noise enclosure room is the coal pulverizer body, for ease of operation and maintenance, the both sides design in noise enclosure room has the door of maintenance, and each rational space for maintenance and height are left in inside, noise enclosure room, and sound insulation element is connecting the convenience that takes into full account dismounting.
3, the noise enclosure room is adopted new material, new technology, new technology and is utilized Principles of Acoustics to reach the effect of sound-deadening and noise-reducing, while also guarantees that ventilation cooling and the maintenance of original equipment are convenient, noise reduction was obvious after this noise enclosure room was installed, and noise source descends 85 decibels to be issued to environmental protection standard from former level of noise.
4, for ease of maintenance, inside, noise enclosure room is provided with anti-riot illuminating lamp, and is provided with ventilation heat abstractor assurance noise enclosure room inner air smoothness.
Description of drawings
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, the 1st, panel; The 2nd, resistance mud; The 3rd, sound-deadening paint; The 4th, wire gauze; The 5th, the rotary glass silk flosssilk wadding; The 6th, the ethene diaphragm plate; The 7th, the rotary glass silk flosssilk wadding; The 8th, rotary glass silk cloth; The 9th, the noise elimination orifice plate.
The specific embodiment
A kind of coal pulverizer noise enclosure room, comprise foundation structure, style strip, lighting device and ventilation installation, wherein, described foundation structure is by M18 * 150 swell fixtures, skeleton and Shockproof rubber constitute, M18 * 150 steel swell fixtures and skeleton and Shockproof rubber directly and ground and style strip be connected to a fixed, described skeleton adopts the 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, structure according to style strip, style strip is divided into several plates, be connected in one by the M16 attachment screw of covering in the bolt box of compression moulding that is respectively by several screws, lighting device and ventilation installation are arranged on the skeleton respectively again.
The plate face of described style strip adopts wide cold rolling roll bending of δ=1.2 * 1250 * C, through smoothing, stretch, shear, full-automatic rotating tower punch processing is by Φ 6, bridge is the noise reduction orifice plate that the bloop of 16 mm is arranged in pattern, the punching rate is 41%, with pulling rivet interior orifice plate is fixed on the skeleton, case inside 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 the 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 of every plate face * wide all is a whole plate, there is not any seam, plate face and skeleton are spot-welded together with spot welder, and the smooth smooth no concave-convex defective of plate face.
On the skeleton of top, described cover room explosion-proof lighting lamp is set, it is to finish by aviation plug that the electric wire on every group of light fixture connects, and the illumination in the cover room is divided into hand switch and infrared rays shakes two kinds of lighting devices of control, and the electrical appliance part that covers in the room is explosion-proof electric apparatus.
3 meters of the both sides in cover room highly place arrange the ventilation installation that effluxes downwards, in establish the exhaust blower that DC voltage is 220V, the bottom is provided with the ventilation grid of usefulness laser boring, 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 the style strip equipment, can guarantee unit and equipment at the needs of operation maintenance maintenance, and be equipped with the manually operated door to external-open in style strip middle part, both ends and both sides respectively, described door is closed by interior spring lock.
The power supply that described cover room uses is supply frequency 50HZ, DC voltage 220V.
It should be noted that at last: obviously, above-described embodiment only is for the application's example clearly is described, and is not the restriction 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 need not also can't give all embodiments exhaustive.And the apparent variation of being amplified out thus or change still are among the protection domain of the application's type.
Claims (6)
1. coal pulverizer noise enclosure room, it is characterized in that: comprise foundation structure, the combination of style strip plate, lighting device and ventilation installation, wherein, described foundation structure is by swell fixture, skeleton and Shockproof rubber constitute, swell fixture is connected to a fixed skeleton and Shockproof rubber respectively with ground and style strip, described skeleton adopts the 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 of covering in the bolt box of compression moulding by several screws again, form the combination of style strip plate, lighting device is arranged at skeleton top, and ventilation installation is arranged at the skeleton side.
2. cover according to claim 1 room, it is characterized in that: the plate face of the style strip that described style strip plate combination is adopted is of a size of wide the cold rolling roll bending of δ=1.2 mm * 1250 mm * C, wherein, 1.2mm be the sound attenuation hole plate thickness, 1250mm is the width of commercially available style strip, C is the style strip height, identical with the height in cover room, the thickness of style strip plate face (1) is 2.0mm-3.0mm, through smoothing, stretch, shear, fold-type spot welding is fixed on the skeleton, case inside 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 the 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 of every style strip plate face * wide all is a whole plate, do not have any seam, plate face and skeleton are spot-welded together with spot welder, and the smooth smooth no concave-convex defective of plate face.
3. cover according to claim 2 room, it is characterized in that: on the skeleton of top, described cover room explosion-proof lighting lamp is set, it is to finish by aviation plug that electric wire on every group of light fixture connects, and the illumination in the cover room is divided into hand switch and infrared rays shakes two kinds of lighting devices of control, and the electrical appliance part in the cover room is explosion-proof electric apparatus.
4. cover according to claim 1 room, it is characterized in that: the both sides in cover room highly locate to arrange the ventilation installation that effluxes downwards for 3 meters, in establish the exhaust blower that DC voltage is 220V, the 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, reaches the effect of ventilation and heat.
5. cover according to claim 3 room, it is characterized in that: leave passage around the style strip equipment, can guarantee unit and equipment at the needs of operation maintenance maintenance, and be equipped with the manually operated door to external-open in style strip middle part, both ends and both sides respectively, described door is closed by interior spring lock.
6. cover according to claim 1 room, it is characterized in that: the power supply that described cover room uses is supply frequency 50HZ, DC voltage 220V.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103266791A true CN103266791A (en) | 2013-08-28 |
| CN103266791B CN103266791B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN103266791B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| 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 |
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| JP2005257763A (en) * | 2004-03-09 | 2005-09-22 | Matsushita Electric Works Ltd | Sound absorbing housing box |
| US20070102238A1 (en) * | 2005-11-09 | 2007-05-10 | Low Reginald W | Acoustical panel using wood veneer |
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2013
- 2013-06-04 CN CN201310218514.XA patent/CN103266791B/en not_active Expired - Fee Related
Patent Citations (6)
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| 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 |
| US20070102238A1 (en) * | 2005-11-09 | 2007-05-10 | Low Reginald W | Acoustical panel using wood veneer |
| CN203374021U (en) * | 2013-06-04 | 2014-01-01 | 陈树伟 | Sound insulation hood room of coal mill |
Non-Patent Citations (1)
| Title |
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| 苏月娟: ""高炉煤气调压阀组隔音罩的设计"", 《河北工业科技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103266791B (en) | 2015-10-28 |
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