CN102225378A - Sound-insulating noise-reducing housing for horizontal decanter centrifuge - Google Patents
Sound-insulating noise-reducing housing for horizontal decanter centrifuge Download PDFInfo
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- CN102225378A CN102225378A CN2011101043496A CN201110104349A CN102225378A CN 102225378 A CN102225378 A CN 102225378A CN 2011101043496 A CN2011101043496 A CN 2011101043496A CN 201110104349 A CN201110104349 A CN 201110104349A CN 102225378 A CN102225378 A CN 102225378A
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Abstract
The invention discloses a sound-insulating noise-reducing housing for a horizontal decanter centrifuge and belongs to the technical field of cereal processing machinery. The sound-insulating noise-reducing housing comprises an arc-shaped shell, which extends along the length direction of a horizontal decanter centrifuge and has a semicircular cross section, wherein a left end plate and a right end plate, which are used for sealing left and right end ports of the arc-shaped shell, are respectively arranged at the left and the right end ports of the arc-shaped shell; a plurality of separating plates which are arranged in the inner cavity of the arc-shaped shell in sequence along the length direction of the arc-shaped shell divide the inner cavity of the arc-shaped shell into different separated cabins; the arc-shaped shell comprises an inner shell and an outer shell which are nested with each other; an interlayer is arranged between the inner shell and the outer shell; the interlayer is filled with fine sand; at least one sand-filling port is arranged at the upper part of the interlayer; an air vent is formed at the upper part of an end plate at the other side of the interlayer; the quantity of the sand-filling ports can be two; and the two sand-filling ports can be paralleled at two sides of the peak of the end plate. The interlayer which is filled with fine sand can be used for effectively restraining noise in the housing from spreading outwards and effectively damping housing vibration caused by material feeding and discharging, thereby achieving a vibration-insolating noise-reducing function, and meanwhile greatly reducing temperature of the outer wall of the arc-shaped shell and avoiding scaling operators.
Description
Technical field
The present invention relates to a kind of horizontal screw centrifuge, particularly a kind of sound insulation and noise reduction case of horizontal screw centrifuge belongs to the food apparatus technical field.
Background technology
Horizontal screw centrifuge mainly by high-revolving rotary drum, turn to identical with rotary drum and the auger conveyor, differential mechanism, frame, rotary drum case, motor that have differential with it etc. formed.
In horizontal screw centrifuge when work,, suspension enters in the rotary drum through the inner core discharging opening of auger conveyor in the continuous reader of feed pipe, and under centrifugal action, suspension forms the circular layer liquid level concentric with axis in rotary drum.Solids are settled down to drum inner wall in the powerful centrifugal force field that rotary drum produced of rotation at a high speed.Because the differential action of differential mechanism makes between auger conveyor and the rotary drum and forms relative motion, the solid phase sediment is further dewatered by the dry section that spiral is pushed to the rotary drum small end, discharges through slag notch then.Liquid phase through clarification is discharged through the overfall of rotary drum small end, and solid phase sediment and clarified solution are collected in respectively in the compartment of rotary drum case correspondence, after the gravity discharge.
The rotary drum case of tradition horizontal screw centrifuge, comprise that along extension of horizontal screw centrifuge length direction and cross section be semicircular circular arc housing, the left and right sides two-port of circular arc housing is respectively equipped with first member plate and the right end plate with its sealing, and circular arc housing inner chamber is provided with the compartment that the multiple tracks dividing plate is divided into circular arc housing inner chamber difference in functionality successively along its length direction.The circular arc housing is a single layer structure, and noise is big, and during input and output material, the vibration of case is also bigger; In addition, because the horizontal screw centrifuge feeding temperature is very high, what have reaches about 90 ℃, makes that the outside wall temperature of circular arc housing is also very high, and operating personnel are easy to be scalded.
Summary of the invention
The objective of the invention is to, overcome problems of the prior art, a kind of sound insulation and noise reduction case of horizontal screw centrifuge is provided, can effectively reduce the noise and the vibration of case.
For solving above technical problem, the sound insulation and noise reduction case of a kind of horizontal screw centrifuge provided by the present invention, comprise that along extension of horizontal screw centrifuge length direction and cross section be semicircular circular arc housing, the left and right sides two-port of described circular arc housing is respectively equipped with first member plate and the right end plate with its sealing, circular arc housing inner chamber is provided with the compartment that the multiple tracks dividing plate is divided into circular arc housing inner chamber difference in functionality successively along its length direction, described circular arc housing comprises mutually nested internal layer shell and outer casing, be provided with interlayer between described internal layer shell and the outer casing, described interlayer and left and right sides end plate constitute airtight hollow cavity, be full of fine sand in the described hollow cavity, the top of described hollow cavity is provided with at least one and irritates husky mouthful.
With respect to prior art, the present invention has obtained following beneficial effect: 1. from the approach of noise transmission, the noise that horizontal screw centrifuge produces at first makes the inner layer case body wall produce resonance, and the resonance of inner layer case body wall makes the air of contact with it produce vibration, outwards propagates with the form of sound wave again.Be spaced from each other by interlayer between the internal layer shell of sound insulation and noise reduction case of the present invention and the outer casing, the vibration of internal layer shell can not be directly delivered on the outer casing, can only transmit sound wave by means of the air vibration in the interlayer.
From irritate husky mouthful to interlayer, fill fine sand after, most of air is discharged from the interlayer, remains a spot of air and is present in the space of the grains of sand, and the energy of noise is had the absorption damping action.
3. in a single day the space occurs owing to vibrating between sand bed and the housing, because the rapid self-packing of mobile better meeting of fine sand, noise reduction can not decay; The weight that adds sand bed is heavier, and internal layer shell and outer casing are pushed down all by sand bed all the time can't produce resonance, has both reduced the source strength of noise, has cut off the propagation of noise approach again.
4. sand bed is stacking states, and is both closely knit, totally is soft again, and the faint vibration of internal layer is difficult to pass sand bed and arrives at skin.
5. the case vibration that causes of horizontal screw centrifuge input and output material also can have been played the effect of vibration isolation by the effective damping of fine sand interlayer.
6. this sound insulation and noise reduction case is directly transformed on former rotary drum case, adopt the structure of double Shell band fine sand interlayer, the volume that increases on the basis of individual layer case is very little, the corresponding compartment of case inner chamber is collected solid phase sediment and the clarified solution that horizontal screw centrifuge produces respectively, the function that had both satisfied in producing is used, and has sound insulation and decrease of noise functions again.
7. this sound insulation and noise reduction case is compared with inner walls subsides sound-absorbing material, and the present invention has more the intensity height, simple and stable structure, the advantage that long service life and cost are low.Sand bed uses more closely knit and more closely knit, problems such as sound-absorbing material comes off, performance degradation can not occur.
8. because the feeding temperature of horizontal screw centrifuge is very high, after case adopted interlayer and fills fine sand, the temperature of circular arc housing outer wall can reduce greatly, prevents that the operative employee from being scalded.
As preferred version of the present invention, the husky mouth of described filling is positioned at a side end panel top of described hollow cavity.End plate is dull and stereotyped, and Guan Shakou is arranged on end plate and relatively is easy to processing, has also guaranteed the integrality of circular arc housing.
As preferred version of the present invention, described filling is provided with two for husky mouthful, is positioned at the both sides of place end plate peak side by side.Be provided with two and irritate husky mouthful, can be simultaneously irritate husky mouthful to the lateral irrigation sand at place separately from two, it is fast to irritate husky speed.
As preferred version of the present invention, the top of described hollow cavity is provided with at least one ventilation mouth.After ventilation mouth is set, be beneficial to the discharge of unnecessary air, make filling sand become more smooth and easy, be beneficial to the discharge of the air that expands because of being heated in the use again.
As preferred version of the present invention, described ventilation mouth is positioned at and irritates husky mouthful of relative opposite side end plate top.Ventilation mouth is separately positioned on the relative both sides end plate with Guan Shakou, is beneficial to arrange and processing, also is beneficial to the discharge of air when irritating husky.
Description of drawings
Fig. 1 is the front view of the sound insulation and noise reduction case of horizontal screw centrifuge of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Among the figure: 1 first member plate; 2 first dividing plates; 3 outer casings; 4 internal layer shells; 5 second partitions; 6 interlayers; 7 the 3rd dividing plates; 8 right end plate; 9 irritate husky mouthful; 10 ventilation mouths.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the sound insulation and noise reduction case of horizontal screw centrifuge of the present invention, comprise that along extension of horizontal screw centrifuge length direction and cross section be semicircular circular arc housing, the circular arc housing comprises mutually nested internal layer shell 4 and outer casing 3, the left and right sides two-port of circular arc housing is respectively equipped with first member plate 1 and right end plate 8, first member plate 1 and right end plate 8 are sealed the end of internal layer shell 4 and interlayer 6 respectively, interlayer 6 constitutes airtight hollow cavity with first member plate 1 and right end plate 8, and being full of in this hollow cavity has fine sand.Length direction along internal layer shell 4 is provided with first dividing plate 2, second partition 5 and the 3rd dividing plate 7 successively, and the case inner chamber is divided into the compartment of different functions, to collect solid phase sediment and the clarified solution that horizontal screw centrifuge produces.
The top of interlayer 6 is provided with at least one and irritates husky mouthful and at least one ventilation mouth.Irritate husky mouthful 9 and can be arranged on a side end panel top, ventilation mouth can be arranged on and irritate husky mouthful 9 relative opposite side end plate top.As shown in Figure 2, the upper end of first member plate 1 is provided with ventilation mouth 10.As shown in Figure 3, the upper end of right end plate 8 is provided with two and irritates husky mouthful 9, two and irritate husky mouthful 9 and be set up in parallel in the both sides of right end plate 8 peaks, so that to the lateral irrigation sand at place separately.
In the work, to interlayer, irritate fine sand, give vent to anger from ventilation mouth 10 from irritating husky mouthful 9.Filling the noise that the interlayer 6 behind the fine sand can effectively suppress in the case outwards propagates; Simultaneously, the vibration insulation and noise reduction effect has been played in the case vibration that fine sand interlayer energy effective damping input and output material causes; Simultaneously, after adopting interlayer and filling fine sand, the temperature of circular arc housing outer wall can reduce greatly, is beneficial to protection operative employee's personal safety.Be provided with two and irritate husky mouthful, can be simultaneously irritate husky mouthful to one-sided fillings sand from two, it is fast to irritate husky speed.
In addition to the implementation, the present invention can also have other embodiments, for example irritates the top that husky mouth and ventilation mouth all can be arranged on the outer casing circular arc.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (5)
1. the sound insulation and noise reduction case of a horizontal screw centrifuge, comprise that along extension of horizontal screw centrifuge length direction and cross section be semicircular circular arc housing, the left and right sides two-port of described circular arc housing is respectively equipped with first member plate and the right end plate with its sealing, circular arc housing inner chamber is provided with the compartment that the multiple tracks dividing plate is divided into circular arc housing inner chamber difference in functionality successively along its length direction, it is characterized in that: described circular arc housing comprises mutually nested internal layer shell and outer casing, be provided with interlayer between described internal layer shell and the outer casing, described interlayer and left and right sides end plate constitute airtight hollow cavity, be full of fine sand in the described hollow cavity, the top of described hollow cavity is provided with at least one and irritates husky mouthful.
2. the sound insulation and noise reduction case of horizontal screw centrifuge according to claim 1 is characterized in that: husky mouthful of side end panel top that is positioned at described hollow cavity of described filling.
3. the sound insulation and noise reduction case of horizontal screw centrifuge according to claim 2 is characterized in that: described filling is provided with two for husky mouthful, is positioned at the both sides of place end plate peak side by side.
4. according to the sound insulation and noise reduction case of claim 1 or 2 or 3 described horizontal screw centrifuges, it is characterized in that: the top of described hollow cavity is provided with at least one ventilation mouth.
5. the sound insulation and noise reduction case of horizontal screw centrifuge according to claim 4 is characterized in that: described ventilation mouth is positioned at and irritates husky mouthful of relative opposite side end plate top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101043496A CN102225378A (en) | 2011-04-26 | 2011-04-26 | Sound-insulating noise-reducing housing for horizontal decanter centrifuge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101043496A CN102225378A (en) | 2011-04-26 | 2011-04-26 | Sound-insulating noise-reducing housing for horizontal decanter centrifuge |
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| CN102225378A true CN102225378A (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101043496A Pending CN102225378A (en) | 2011-04-26 | 2011-04-26 | Sound-insulating noise-reducing housing for horizontal decanter centrifuge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190560A (en) * | 2014-08-05 | 2014-12-10 | 安徽奥冠环保设备制造有限公司 | Horizontal low-noise spiral centrifugal machine |
| CN112195840A (en) * | 2020-09-29 | 2021-01-08 | 北京鸿成科技有限责任公司 | Energy-saving and environment-friendly road dust removal device and use method thereof |
| CN112895112A (en) * | 2021-01-13 | 2021-06-04 | 贵州精一电力线路器材有限责任公司 | Centrifuge convenient to go up unloading |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785918Y (en) * | 2004-12-26 | 2006-06-07 | 刘克河 | Silencing board for automobile engine |
| DE10355179B4 (en) * | 2003-11-26 | 2007-07-12 | Thermo Electron Led Gmbh | Air-cooled centrifuge |
| CN201443477U (en) * | 2009-06-29 | 2010-04-28 | 山东长星风电科技有限公司 | Muffling structure of tower cylinder for wind power generation |
| CN101862707A (en) * | 2009-01-15 | 2010-10-20 | 热电子Led有限公司 | Low-noise rotor chamber for a centrifuge |
| CN201702031U (en) * | 2010-04-26 | 2011-01-12 | 浙江轻机实业有限公司 | Water-cooled housing of disc separator |
| CN202061723U (en) * | 2011-04-26 | 2011-12-07 | 江苏迈安德食品机械有限公司 | Acoustic cover shell of decanter centrifuge |
-
2011
- 2011-04-26 CN CN2011101043496A patent/CN102225378A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10355179B4 (en) * | 2003-11-26 | 2007-07-12 | Thermo Electron Led Gmbh | Air-cooled centrifuge |
| CN2785918Y (en) * | 2004-12-26 | 2006-06-07 | 刘克河 | Silencing board for automobile engine |
| CN101862707A (en) * | 2009-01-15 | 2010-10-20 | 热电子Led有限公司 | Low-noise rotor chamber for a centrifuge |
| CN201443477U (en) * | 2009-06-29 | 2010-04-28 | 山东长星风电科技有限公司 | Muffling structure of tower cylinder for wind power generation |
| CN201702031U (en) * | 2010-04-26 | 2011-01-12 | 浙江轻机实业有限公司 | Water-cooled housing of disc separator |
| CN202061723U (en) * | 2011-04-26 | 2011-12-07 | 江苏迈安德食品机械有限公司 | Acoustic cover shell of decanter centrifuge |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190560A (en) * | 2014-08-05 | 2014-12-10 | 安徽奥冠环保设备制造有限公司 | Horizontal low-noise spiral centrifugal machine |
| CN112195840A (en) * | 2020-09-29 | 2021-01-08 | 北京鸿成科技有限责任公司 | Energy-saving and environment-friendly road dust removal device and use method thereof |
| CN112895112A (en) * | 2021-01-13 | 2021-06-04 | 贵州精一电力线路器材有限责任公司 | Centrifuge convenient to go up unloading |
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Application publication date: 20111026 |