CN201154318Y - Environment protection type aeration quieter of steel ball coal mill - Google Patents
Environment protection type aeration quieter of steel ball coal mill Download PDFInfo
- Publication number
- CN201154318Y CN201154318Y CNU2008200556648U CN200820055664U CN201154318Y CN 201154318 Y CN201154318 Y CN 201154318Y CN U2008200556648 U CNU2008200556648 U CN U2008200556648U CN 200820055664 U CN200820055664 U CN 200820055664U CN 201154318 Y CN201154318 Y CN 201154318Y
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- sound absorption
- coal mill
- low speed
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Abstract
The utility model relates to an environmental protection type ventilation and sound deadening device for the steel ball coal grinding mill. The environmental protection type ventilation and sound deadening device is composed of an enclosed sound isolation cover which is composed of a large cover, a small cover and a sound absorbing and isolating shield, a movable door is arranged on one end wall of the large cover, two-leaf sound absorbing and isolating doors are arranged on the two side walls of the other end of the large cover, a wall mounting type air intake muffler is arranged at the middle position of the two side walls of the large cover, an air outtake muffler is arranged at the top of the large cover, another wall mounting type air intake muffler is arranged at the middle position of the two side walls of the small cover, another air outtake muffler is arranged at the top of the small cover, a plurality of air intake sound damping devices are arranged on the inner side walls of the large cover and the small cover, the sound absorbing and isolating shield is arranged on the circumference of a motor, an inspection gate is arranged on the side wall of the sound absorbing and isolating shield, a transparent sound absorbing and isolating arc cover is arranged on a bearing seat, the combination of noise reduction, inspection and maintenance is performed to sensitive points, and detachable sound absorbing and isolating shields are arranged at the both sides of the tube body, to perform the function of sound control, patrol inspection and dust prevention. The structure of the ventilation and sound deadening device of the utility model is compact, thereby facilitating various inspections and repairs to the device. A labyrinth type ventilator is adopted for the realization of heat elimination.
Description
Technical field:
The utility model relates to low speed coal mill, relates in particular to the sound arrester of low speed coal mill, particularly a kind of low speed coal mill environment-friendly type ventilating noise reduction device.
Background technology:
In order to eliminate the noise that sends when low speed coal mill is worked, in the Chinese utility model patent 03270294.9 disclosed technical scheme, the acoustic hood acoustic screen is set respectively at lift-over cylindrical shell, motor and running part, the noise of coal pulverizer can be reduced.But this acoustic hood is unfavorable for the ventilation and the heat radiation of equipment, is unfavorable for maintenance and heat radiation to motor after the employing acoustic hood surrounds motor, and silencer takes up space greatly simultaneously.
Summary of the invention:
The purpose of this utility model provides a kind of low speed coal mill environment-friendly type ventilating noise reduction device, and described this low speed coal mill environment-friendly type ventilating noise reduction device will solve acoustic hood in the prior art and be unfavorable for ventilation, heat radiation and the noise reduction of steel ball coal-grinding equipment and the technical problem of convenient maintenance.
This low speed coal mill environment-friendly type ventilating noise reduction device of the present utility model is made of low speed coal mill and airtight blimp, described low speed coal mill is by cylindrical shell, running part and motor constitute, described running part is by gear wheel, pinion and reduction box constitute, wherein, the described airtight blimp of described airtight blimp is by big cover, little cover and sound absorption screen constitute, big cover, little cover is respectively by hangable sound absorption damping plate with attachedly be spliced to form by skeleton, described big cover is arranged on the periphery of described cylindrical shell and gear wheel, one distolateral wall of big cover is provided with moving door, the two side of the big cover other end is provided with biparting sound absorption door, the middle part of big cover two side is provided with a plurality of wall-hanging wind inlet silencing device, the top of big cover is provided with the air-out silencer, described little cover is arranged on the periphery of described pinion and reduction box, the middle part of little cover two side is provided with a plurality of wall-hanging wind inlet silencing device, the sidewall of little cover is provided with the sound absorption maintenance and observes door, the top of little cover is provided with the air-out silencer, big cover and little cover madial wall are provided with a plurality of wind inlet silencing device, described sound absorption screen is constituted by sound insulation sound absorption damping sheet, the sound absorption screen is arranged on the motor periphery, and the encirclement motor, the sidewall of sound absorption screen is provided with patrols and examines door.
Further, described air-out silencer is a labyrinth type air-out silencer.
Further, described wall-hanging wind inlet silencing device is outward the folded plate type shutter wind sheet that disappears.
Further, described access door is provided with the sound insulation observation window.
Further, described sound absorption cover combines by living in unloading with structure capable of hoisting, and dismounting is simple.
Further, cover inner barrel both sides is provided with movable sound absorption film viewing screen.
Further, bearing block is provided with transparent sound absorption arc cover.
Operation principle of the present utility model is: adopt the wall-hanging wind inlet silencing device to substitute and take up an area of bigger silencer, make outward appearance concordant clean and tidy, on big cover, moving door and biparting sound absorption door are set, convenient maintenance to cylindrical shell and gear wheel, convenient maintenance and the sound absorption screen of motor periphery and the case to pinion and reduction box of the access door that is provided with on the little cover all can be lived and unloaded, divide and lift up into the row maintenance, easy to maintenance, restore simple, by on the sound absorption screen patrol and examine the door can monitor motor easily, be provided with the air-out ventilation blower at big cover and little cover top, realize heat sinking function.
The utility model and prior art contrast: solved big air quantity air draft, dispelled the heat and do not speak, the noise reduction vibration-isolating effect is obvious, and noise processed is lower than 85dB (A).(the state tomb requires to be 90dB (A) to the low speed coal mill noise treatment) the utility model reduces to take up room on being arranged at the wall-hanging wind inlet silencing device in the acoustic hood, makes compact equipment, good looking appearance; The sidewall of big cover and little cover is provided with maintenance and observes door, and the sound absorption screen is set for motor separately, convenient maintenance and heat radiation to the equipment each several part; Adopt labyrinth type air-out ventilation blower to realize heat sinking function.
Description of drawings:
Fig. 1 is the overall structure schematic diagram of low speed coal mill environment-friendly type ventilating noise reduction device of the present utility model.
Fig. 2 is the internal structure schematic diagram in the low speed coal mill environment-friendly type ventilating noise reduction device of the present utility model.
Fig. 3 is the sound absorption screen structural representation in the low speed coal mill environment-friendly type ventilating noise reduction device of the present utility model.
The specific embodiment:
As Fig. 1, Fig. 2 and shown in Figure 3, low speed coal mill environment-friendly type ventilating noise reduction device of the present utility model is made of airtight blimp, and described low speed coal mill is made of gear wheel 5, pinion and reduction box 6, motor 7, bearing block 15 cylindrical shell 4, running part.Wherein, described airtight blimp constitutes work by big cover 1, little cover 2 and sound absorption screen 3 and unloads structure, and attached being against of hangable sound absorption damping plate shell becomes case on the skeleton.Described big cover 1 is combined by hangable sound insulation sound absorption damping sheet, described big cover 1 is arranged at described cylindrical shell 4 and described gear wheel 5 peripheries, adjacent described sound insulation acoustic board damping sheet connects by bolt, described big cover 1 is provided with moving door 8 near described gear wheel 5 one end walls, described moving door 8 is made of sound insulation sound absorption damping sheet, described big cover 1 other end two side is provided with biparting sound absorption door 9, be provided with a plurality of wall-hanging wind inlet silencing device 10 at middle part, described big cover 1 two side, described big cover 1 top is provided with several air-out silencers 11, described little cover 2 is arranged at described pinion and described reduction box 6 peripheries, described little cover 2 is combined by sound insulation sound absorption damping sheet, adjacent described sound insulation acoustic board damping sheet connects by bolt, be provided with a plurality of wall-hanging wind inlet silencing device 10 at middle part, described little cover 2 two sides, described little cover 2 sidewalls are provided with the sound absorption maintenance and observe door 12, described little cover 2 tops are provided with air-out silencer 11, described big cover 1 and described little cover 2 madial walls are provided with a plurality of air intake silencers 13, described sound absorption screen 3 is combined by sound insulation sound absorption damping sheet, described sound absorption screen 3 is arranged at described motor 7 peripheries, and described motor 7 surrounded, described sound absorption screen sidewall is provided with patrols and examines door 14, and transparent sound absorption arc cover 15 is set on described bearing block.
Further, described air-out silencer 11 is labyrinth type air-out silencers.
Further, described wall-hanging wind inlet silencing device outer 10 is the folded plate type shutter wind sheets that disappear.
Further, described access door 12 is provided with the sound insulation observation window.
Further, described sound absorption damping plate is combined into case and screen, and 1,2,3 combine with hangable for movable unloading type.
Further, described cylindrical shell both sides 16 is provided with movable sound absorption film viewing screen.
Further, described bearing block 15 is provided with transparent sound absorption arc cover.
Claims (6)
1. low speed coal mill environment-friendly type ventilating noise reduction device, constitute by low speed coal mill and airtight blimp, described low speed coal mill is by cylindrical shell, running part and motor constitute, described running part is by gear wheel, pinion and reduction box constitute, it is characterized in that: described airtight blimp is by big cover, little cover and sound absorption screen constitute, big cover, little cover is respectively by hangable sound absorption damping plate with attachedly be spliced to form by skeleton, described big cover is arranged on the periphery of described cylindrical shell and gear wheel, one distolateral wall of big cover is provided with moving door, the two side of the big cover other end is provided with biparting sound absorption door, the middle part of big cover two side is provided with a plurality of wall-hanging wind inlet silencing device, the top of big cover is provided with the air-out silencer, described little cover is arranged on the periphery of described pinion and reduction box, the middle part of little cover two side is provided with a plurality of wall-hanging wind inlet silencing device, the sidewall of little cover is provided with the sound absorption maintenance and observes door, the top of little cover is provided with the air-out silencer, big cover and little cover madial wall are provided with a plurality of wind inlet silencing device, described sound absorption screen is constituted by sound insulation sound absorption damping sheet, the sound absorption screen is arranged on the motor periphery, and the encirclement motor, the sidewall of sound absorption screen is provided with patrols and examines door.
2. low speed coal mill environment-friendly type ventilating noise reduction device as claimed in claim 1 is characterized in that: described air-out silencer all is labyrinth type air-out silencers.
3. low speed coal mill environment-friendly type ventilating noise reduction device as claimed in claim 1 is characterized in that: described wall-hanging wind inlet silencing device all is outward the folded plate type shutter wind sheets that disappear.
4. low speed coal mill environment-friendly type ventilating noise reduction device as claimed in claim 1 is characterized in that: on described acoustic hood, be provided with the sound insulation observation window on the access door.
5. low speed coal mill environment-friendly type ventilating noise reduction device as claimed in claim 1 is characterized in that: be provided with the movable sound absorbing-insulating described in cover inner barrel both sides, be provided with the sound insulation observation window in the movable sound absorbing-insulating.
6. low speed coal mill environment-friendly type ventilating noise reduction device as claimed in claim 1 is characterized in that: transparent sound absorption arc cover is set on the bearing block of low speed coal mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200556648U CN201154318Y (en) | 2008-02-22 | 2008-02-22 | Environment protection type aeration quieter of steel ball coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200556648U CN201154318Y (en) | 2008-02-22 | 2008-02-22 | Environment protection type aeration quieter of steel ball coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201154318Y true CN201154318Y (en) | 2008-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200556648U Expired - Fee Related CN201154318Y (en) | 2008-02-22 | 2008-02-22 | Environment protection type aeration quieter of steel ball coal mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN201154318Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454436A (en) * | 2010-10-20 | 2012-05-16 | 上海圣丰环保设备有限公司 | Combined turbine-high pressure water pump sound insulation and reduction ventilation hood |
| CN102468705A (en) * | 2010-11-11 | 2012-05-23 | 上海圣丰环保设备有限公司 | Exciter-coupling sound insulation sound attenuation ventilation shield in steam turbine set with hydrogen |
| CN104376841A (en) * | 2013-08-14 | 2015-02-25 | 北新集团建材股份有限公司 | Denoising cover |
| CN104741181A (en) * | 2014-07-23 | 2015-07-01 | 施周平 | Noise-reduction and sound-insulation enclosure |
| CN105032543A (en) * | 2015-07-01 | 2015-11-11 | 肖叶 | Mute air outlet for roller type sand making machine |
| CN111715351A (en) * | 2020-06-08 | 2020-09-29 | 西安宝鑫自动化设备有限公司 | Noise elimination ball mill |
-
2008
- 2008-02-22 CN CNU2008200556648U patent/CN201154318Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454436A (en) * | 2010-10-20 | 2012-05-16 | 上海圣丰环保设备有限公司 | Combined turbine-high pressure water pump sound insulation and reduction ventilation hood |
| CN102468705A (en) * | 2010-11-11 | 2012-05-23 | 上海圣丰环保设备有限公司 | Exciter-coupling sound insulation sound attenuation ventilation shield in steam turbine set with hydrogen |
| CN104376841A (en) * | 2013-08-14 | 2015-02-25 | 北新集团建材股份有限公司 | Denoising cover |
| CN104376841B (en) * | 2013-08-14 | 2018-03-20 | 北新集团建材股份有限公司 | A kind of noise reduction shroud |
| CN104741181A (en) * | 2014-07-23 | 2015-07-01 | 施周平 | Noise-reduction and sound-insulation enclosure |
| CN105032543A (en) * | 2015-07-01 | 2015-11-11 | 肖叶 | Mute air outlet for roller type sand making machine |
| CN111715351A (en) * | 2020-06-08 | 2020-09-29 | 西安宝鑫自动化设备有限公司 | Noise elimination ball mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20120222 |