CN103928996B - A kind of gas-liquid-liquid three-phase flow absorbing noise - Google Patents
A kind of gas-liquid-liquid three-phase flow absorbing noise Download PDFInfo
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- CN103928996B CN103928996B CN201410164337.6A CN201410164337A CN103928996B CN 103928996 B CN103928996 B CN 103928996B CN 201410164337 A CN201410164337 A CN 201410164337A CN 103928996 B CN103928996 B CN 103928996B
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Abstract
The present invention relates to a kind of gas-liquid-liquid three-phase flow that can absorb noise.Described gas-liquid-liquid three-phase flow, including frame, described frame lower is provided with petrol engine and generator, and frame upper end is fixed with casing；Described generator is made up of stator, rotor, end cap and bearing, and the stator of generator, rotor are assembled by described bearing and end cap；Described stator is held group by stator core, line and forms, and described line holds group and is wound on stator core surface；Described rotor is made up of rotor core, permanent magnet pole and rotating shaft, and described rotor core is fixed with permanent magnet pole after being connected and is arranged in rotating shaft；Wherein, described permanent magnet magnetic the most mesoporous shape magnetic ferrites, the shaping of mesoporous shape magnetic ferrite powder is obtained by described mesoporous shape magnetic ferrites.Due to permanent magnet magnetic used in the present invention the most mesoporous shape magnetic ferrites, not only there is preferable sound-absorbing effect, and have that the use time is longer, the effect of simple in construction.
Description
Technical field
The present invention relates to mechanical field, especially relate to absorb the gas-liquid-liquid three-phase flow of noise.
Background technology
Gas-liquid-liquid three-phase flow is a kind of generating equipment, means with gasoline etc. as fuel, by other forms
Energy conversion becomes the plant equipment of electric energy, and it is by the hydraulic turbine, steam turbine, diesel engine or other dynamic power machines
Drive, the energy that current, air-flow, fuel combustion or nuclear fission produce is converted into mechanical energy and passes to
Generator, then be converted to electric energy by generator.Generator in industrial and agricultural production, national defence, scientific and technological and daily
Life has been widely used.
But gas-liquid-liquid three-phase flow is to be driven generator to generate electricity by gasoline engine, noise is relatively big, in wideband
Band spectral characteristic, has greater environmental impacts, and easily causes sound pollution, although arrange on gas-liquid-liquid three-phase flow
In silencing apparatus, but gas-liquid-liquid three-phase flow noise is relatively big, and it is limited, the most not that overall noise controls level
Noise can be effectively eliminated, it is impossible to meet the requirement of current environment standard.Invention entitled low noise is sent out
Group of motors, the Chinese patent of Application No. 201010201728.2, disclose the generating set of a kind of low noise,
But described structure is complex；Application No. 201120348167.9, invention entitled a kind of generating set
The Chinese patent of mute box apparatus, use spongy layer and sound deadening sheet layer as absorbing the device of noise, but
Described spongy layer and sound deadening sheet layer life-span are shorter, it is easy to damaged, and sound-absorbing effect is general.
Summary of the invention
For weak point present in the problems referred to above, the present invention provides that a kind of use time is longer, structure
The relatively simple gas-liquid-liquid three-phase flow that can absorb noise.
For achieving the above object, the present invention provides a kind of gas-liquid-liquid three-phase flow absorbing noise, including frame,
Described frame lower is provided with petrol engine and generator, and frame upper end is fixed with casing；Described generating
Machine is made up of stator, rotor, end cap and bearing, and described bearing and end cap are by the stator of generator, rotor
Assemble；Described stator is held group by stator core, line and forms, and described line holds group and is wound into stator
On iron core surface；Described rotor is made up of rotor core, permanent magnet pole and rotating shaft, described rotor core
Fix with permanent magnet pole and be arranged in rotating shaft after being connected；Wherein said permanent magnet magnetic the most mesoporous shape magnetic
Ferrite, described mesoporous shape magnetic ferrites are the shaping of mesoporous shape magnetic ferrite powder to be obtained, described
Mesoporous shape magnetic ferrite powder is the ferrite powder that all disclosed documents can be found, can prepare,
Described permanent magnet pole can be processed with oneself, it is also possible to entrusting other enterprises on behalf of processing, described powder can
The most directly to buy, it is also possible to entrust relevant enterprise, relevant colleges and universities on behalf of processing.
Further, described permanent magnet pole passes through installation by adhering on rotor core surface.
Further, described permanent magnet pole is arranged on rotor core circumferential surface.
Further, between the mesoporous pore size a size of 10～40nm of described mesoporous shape magnetic ferrites.
Further, between the mesoporous pore size a size of 20～30nm of described mesoporous shape magnetic ferrites.
Further, the mesoporous total pore volume of described mesoporous shape magnetic ferrites is 1.2～3.5cm3/g。
Further, the mesopore surface area of described mesoporous shape magnetic ferrites is 0.12～0.88m2/g。
The invention have the benefit that due to permanent magnet magnetic used in the present invention the most mesoporous shape Armco magnetic iron
Oxysome, described mesoporous shape magnetic ferrites are to be obtained through extruded by mesoporous shape magnetic ferrite powder
, macroscopically can't see cavernous structure, only just can see meso-hole structure when of microcosmic, and pass through
The process of certain moulding process, obtains one and seems ordinary, when in fact having preferable sound-absorbing effect, use
Between longer, the gas-liquid-liquid three-phase flow of simple in construction.
Accompanying drawing explanation
Fig. 1 is salient mounting formula rotor core schematic diagram；
Fig. 2 is embedded rotor iron core schematic diagram；
Fig. 3 is the rotor core schematic diagram after installing rotating shaft.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further explained.
Embodiment 1:
A kind of gas-liquid-liquid three-phase flow absorbing noise, including frame, described frame lower is provided with gasoline and sends out
Motivation and generator, frame upper end is fixed with casing；Described generator is by stator, rotor, end cap and axle
Hold composition, described bearing and end cap the stator of generator, rotor to be assembled；Described stator is by stator
Iron core, line hold group composition, and described line holds group and is wound on stator core surface；Described rotor is by turning
Sub-iron core 1, permanent magnet pole 2 and rotating shaft 3 form, and described rotor core 1 is fixed with permanent magnet pole 2
It is arranged on after connection in rotating shaft 3, is specifically shown in Fig. 3；Wherein said permanent magnet pole 2 is mesoporous shape Armco magnetic iron
Oxysome, described ferrite is barium ferrite, and described mesoporous shape magnetic ferrites are by mesoporous shape magnetic ferrite
Body Powder Extrusion Molding obtains, or uses other any shapings that can obtain mesoporous shape magnetic ferrites
Method can.
Further, described permanent magnet pole 2 by installation by adhering on rotor core 1 surface, specifically
See Fig. 2.
Further, the mesoporous pore size a size of 10nm of described mesoporous shape magnetic ferrites.
Further, the mesoporous total pore volume of described mesoporous shape magnetic ferrites is 3.5cm3/g。
Further, the mesopore surface area of described mesoporous shape magnetic ferrites is 0.14m2/g。
Embodiment 2:
Identical with embodiment 1 most contents, except for the difference that, described permanent magnet pole 2 salient mounting is at rotor
On iron core 1 circumferential surface, it is specifically shown in Fig. 1；And the mesoporous pore size size of described mesoporous shape magnetic ferrites
For 15nm；Described mesoporous total pore volume is 3.3cm3/g；Described the mesoporous of mesoporous shape magnetic ferrites compares table
Area is 0.88m2/ g, described ferrite is strontium ferrite.
When being used for having a power failure by this gas-liquid-liquid three-phase flow, small power generation uses, and finds that noise rate decreases 80%.
Embodiment 3:
Identical with embodiment 1 most contents, except for the difference that, described mesoporous shape magnetic ferrites mesoporous
Aperture size is 20nm；Described mesoporous total pore volume is 2.7cm3/g；Described mesoporous shape magnetic ferrites
Mesopore surface area is 0.54m2/ g, described ferrite is lead ferrite.
This gas-liquid-liquid three-phase flow is used for rushing to repair road occupation, finds that noise rate decreases 73%.
Embodiment 4:
Identical with embodiment 1 most contents, except for the difference that, described mesoporous shape magnetic ferrites mesoporous
Aperture size is 25nm；The mesoporous total pore volume of described mesoporous shape magnetic ferrites is 2.3cm3/ g, described
The mesopore surface area of mesoporous shape magnetic ferrites is 0.368m2/g。
It is used for this gas-liquid-liquid three-phase flow ensureing that disaster area communication apparatus is powered, finds that noise rate decreases 86%,
Considerably increase operating efficiency, save emergency repair time.
Embodiment 5:
Identical with embodiment 1 most contents, except for the difference that, described mesoporous shape magnetic ferrites mesoporous
Aperture size is 30nm；The mesoporous total pore volume of described mesoporous shape magnetic ferrites is 2cm3/ g, is given an account of
The mesopore surface area of poroid magnetic ferrites is 0.27m2/g。
It is used for this gas-liquid-liquid three-phase flow ensureing that disaster area communication apparatus is powered, finds that noise rate decreases 86%,
Considerably increase operating efficiency, save emergency repair time.
Embodiment 6:
Identical with embodiment 1 most contents, except for the difference that, described mesoporous shape magnetic ferrites mesoporous
Aperture size is 35nm；The mesoporous total pore volume of described mesoporous shape magnetic ferrites is 1.5cm3/ g, described
The mesopore surface area of mesoporous shape magnetic ferrites is 0.17m2/g。
It is used for this gas-liquid-liquid three-phase flow ensureing that disaster area communication apparatus is powered, finds that noise rate decreases 76%,
Considerably increase operating efficiency, save emergency repair time.
Embodiment 7:
Identical with embodiment 1 most contents, except for the difference that, described mesoporous shape magnetic ferrites mesoporous
Aperture size is 40nm；The mesoporous total pore volume of described mesoporous shape magnetic ferrites is 1.2cm3/ g, described
The mesopore surface area of mesoporous shape magnetic ferrites is 0.12m2/g。
It is used for this gas-liquid-liquid three-phase flow ensureing that disaster area communication apparatus is powered, finds that noise rate decreases 81%,
Considerably increase operating efficiency, save emergency repair time.
Only as described above, only presently preferred embodiments of the present invention, be such as familiar with the special of this skill
Industry personage, after understanding the technological means of the present invention, natural energy is according to actual needs, in the present invention
Teaching under changed.The most all equal changes made according to scope of the present invention patent and modification,
All should still remain within the scope of the patent.
Claims (3)
1. absorbing a gas-liquid-liquid three-phase flow for noise, including frame, described frame lower is provided with gasoline
Engine and generator, frame upper end is fixed with casing；
Described generator is made up of stator, rotor, end cap and bearing, and described bearing and end cap are by generator
Stator, rotor assembles；
Described stator is held group by stator core, line and forms, and described line holds group and is wound into stator core table
Face；
Described rotor is made up of rotor core, permanent magnet pole and rotating shaft, described rotor core and permanent magnet
It is arranged in rotating shaft after the fixing connection of magnetic pole；
It is characterized in that, described permanent magnet magnetic the most mesoporous shape magnetic ferrites, described mesoporous shape Armco magnetic iron
The shaping of mesoporous shape magnetic ferrite powder is obtained by oxysome；
The mesoporous pore size a size of 25-30nm of described mesoporous shape magnetic ferrites；Described mesoporous shape Armco magnetic iron
The mesoporous total pore volume of oxysome is 2-2.3cm3/ g, the mesopore surface area of described mesoporous shape magnetic ferrites
For 0.27-0.368m2/g。
Gas-liquid-liquid three-phase flow the most according to claim 1, it is characterised in that described permanent magnet magnetic
Installation by adhering is passed through on rotor core surface in pole.
Gas-liquid-liquid three-phase flow the most according to claim 1, it is characterised in that described permanent magnet magnetic
Pole is arranged on rotor core circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164337.6A CN103928996B (en) | 2014-04-22 | 2014-04-22 | A kind of gas-liquid-liquid three-phase flow absorbing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410164337.6A CN103928996B (en) | 2014-04-22 | 2014-04-22 | A kind of gas-liquid-liquid three-phase flow absorbing noise |
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| Publication Number | Publication Date |
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| CN103928996A CN103928996A (en) | 2014-07-16 |
| CN103928996B true CN103928996B (en) | 2016-08-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048636U (en) * | 1989-02-17 | 1989-11-29 | 杜强翔 | Rare-earth permanent magnetic generator for small motor |
| CN1718558A (en) * | 2004-07-09 | 2006-01-11 | 北京化工大学 | Porous magnetic ferrite and its preparation method |
| CN201270439Y (en) * | 2008-10-07 | 2009-07-08 | 柳小伟 | Permanent-magnet generator used for special vehicle |
| CN202117764U (en) * | 2011-05-17 | 2012-01-18 | 徐查庆 | Intelligentized high-integration generator set |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5587233B2 (en) * | 2011-03-28 | 2014-09-10 | 株式会社神戸製鋼所 | Stator core and motor using the same |
-
2014
- 2014-04-22 CN CN201410164337.6A patent/CN103928996B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048636U (en) * | 1989-02-17 | 1989-11-29 | 杜强翔 | Rare-earth permanent magnetic generator for small motor |
| CN1718558A (en) * | 2004-07-09 | 2006-01-11 | 北京化工大学 | Porous magnetic ferrite and its preparation method |
| CN201270439Y (en) * | 2008-10-07 | 2009-07-08 | 柳小伟 | Permanent-magnet generator used for special vehicle |
| CN202117764U (en) * | 2011-05-17 | 2012-01-18 | 徐查庆 | Intelligentized high-integration generator set |
Non-Patent Citations (1)
| Title |
|---|
| 纳米介孔钡铁氧体的制备与表征;黄英等;《西北工业大学学报》;20051231;第23卷(第6期);第702页第1段 * |
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| CN103928996A (en) | 2014-07-16 |
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