CN107795528A - A kind of blower fan imports and exports muffler - Google Patents
A kind of blower fan imports and exports muffler Download PDFInfo
- Publication number
- CN107795528A CN107795528A CN201711338962.8A CN201711338962A CN107795528A CN 107795528 A CN107795528 A CN 107795528A CN 201711338962 A CN201711338962 A CN 201711338962A CN 107795528 A CN107795528 A CN 107795528A
- Authority
- CN
- China
- Prior art keywords
- muffler
- cylinder
- sound
- plate
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a kind of blower fan to import and export muffler.Adpting flange is respectively arranged with the entrance sleeve and discharge connection of the muffler, muffler is in entrance sleeve one end, outer ring is equipped with No.1 cylinder, inner ring is equipped with sound-absorbing piece cylinder, gas passage is formed between No.1 cylinder and sound-absorbing piece cylinder, silencing end takes over one end and two horn bodies being made up of No. two deflection cones, microwell plate and orifice plate end plate are housed, and silencing cotton is housed in two horn bodies, the side of muffler is equipped with the water pipe being made up of channel-section steel and closure plate, and water pipe is connected with drainpipe.It is 5000 N m that the muffler, which is applicable blower air flow,3/ h, widely applicable, applicable surface is big, suitable for various types of blower fans, the noise caused by blower fan can be down into 20 decibels or so, reach the standard of environmental protection.
Description
Technical field
The present invention and to muffler for fan field, is related specifically to a kind of blower fan inlet and outlet muffler.
Background technology：
Blower equipment is widely used in all trades and professions of national economy.Air blower be generally used for convey compressed air, and due to
The pulsation of air-flow and equipment operate in itself caused by noise it is relatively large, therefore be equipped with import and export muffler.Air blower exists
Often because it imports and exports air flow rate and flow velocity is excessive and produce sizable noise in the course of work, and then for life
While production environment causes noise pollution so that equipment itself is easy to tamper with；So air blower is both needed in the course of the work
Position placement muffler is imported and exported at it to carry out noise reduction processing.Existing muffler in the course of the work, its internal noise reduction material
Material is directly fixed on the housing of muffler, however, it imports and exports high velocity air pole caused by position when air blower works
Easily make it that quieter material is fallen off under gas shock effect inside muffler, and then influence service behaviour and the longevity of muffler
Life.
The content of the invention：
The blower fan disengaging for carrying out noise reduction using silencing cotton mounted in air blower inlet and outlet is utilized it is an object of the invention to provide a kind of
Mouth muffler.
To achieve the above object, the technical scheme is that：
A kind of blower fan imports and exports muffler, including adpting flange, entrance sleeve, end plate, No.1 casing, acoustic(al)absorbent protection slab, suction
Tablet, No.1 deflection cone, No. two deflection cones, two horn bodies, silencing cotton, microwell plate, orifice plate end plate, discharge connection, channel-section steel, closure plate
And drainpipe, be respectively arranged with adpting flange on the entrance sleeve and discharge connection of the muffler, muffler in entrance sleeve one end,
Outer ring is equipped with No.1 cylinder, and inner ring is equipped with sound-absorbing piece cylinder, gas passage, noise reduction are formed between No.1 cylinder and sound-absorbing piece cylinder
Device discharge connection one end is equipped with two horn bodies being made up of No. two deflection cones, microwell plate and orifice plate end plate, is filled in two horn bodies
There is silencing cotton, the side of muffler is equipped with the water pipe being made up of channel-section steel and closure plate, and water pipe is connected with drainpipe.
No.1 cylinder in the muffler is made up of end plate, acoustic(al)absorbent protection slab and No.1 deflection cone, in No.1 cylinder
Equipped with silencing cotton.
For sound-absorbing piece cylinder in the muffler built with silencing cotton, the section of sound-absorbing piece cylinder is in Y types.
Compared with prior art, the positive effect of the present invention is：
1st, it is 5000-N m that the muffler, which is applicable blower air flow,3/ h, widely applicable, applicable surface is big, suitable for all kinds
Blower fan；
2nd, the noise caused by blower fan can be down to 20 decibels or so by the muffler, reach the standard of environmental protection；
3rd, the structure for the two section cylinders that the muffler is formed using silencing cotton, sound-absorbing piece and microwell plate, will make an uproar caused by blower fan
Sound eliminates；
4th, the muffler is reasonable in design, is simple to manufacture, cheap；
5th, after using the muffler, working environment is substantially improved, generates good social benefit, is optimal environmental protection production
Product.
Brief description of the drawings：
Fig. 1, blower fan inlet and outlet muffler structure schematic diagram；
Fig. 2, A-A are to cut-away view；
Fig. 3, B-B direction cut-away view.
Wherein in figure：1st, adpting flange；2nd, entrance sleeve；3rd, end plate；4, No.1 cylinder；
5th, acoustic(al)absorbent protection slab；6th, sound-absorbing piece；7th, No.1 deflection cone；8th, No. two deflection cones；9th, two horn body；10th, silencing cotton；
11st, microwell plate；12nd, orifice plate end plate；13rd, discharge connection；14th, channel-section steel；15th, closure plate；16th, drainpipe.
Embodiment：
Clear, complete description is further carried out to technical scheme with reference to the accompanying drawings and examples.
Embodiment 1
Muffler is arranged on the situation of fan outlet:
Referring to accompanying drawing 1-3, the adpting flange 1 of the one end of entrance sleeve 2 is connected with the port of export of blower fan, the band that blower fan is produced by boasting
The gas of noise, entered by entrance sleeve 2 in the passage being made up of acoustic(al)absorbent protection slab 5 and sound-absorbing piece 6, then by end plate 3,
The silencing cotton 10 filled in the No.1 cylinder 4 that acoustic(al)absorbent protection slab 5 and No.1 deflection cone 7 are formed, and by 6 structures of sound-absorbing piece
Into cylinder in silencing cotton 10 abate the noise for the first time, enter by the gas that abates the noise for the first time by No. two water conservancy diversion
In the passage that cone 8, microwell plate 11 are formed, then two horns being made up of No. two deflection cones 8, microwell plate 11 and orifice plate end plate 12
The silencing cotton 10 filled in body 9 is abated the noise for the second time, is removed the complete gas of noise and is discharged by discharge connection 13.Noise reduction
Moisture content is flowed into the water pipe being made up of channel-section steel 14 and closure plate 15 in the gas that cotton 10 is absorbed, then is discharged by drainpipe 16.
Embodiment 2
Muffler is arranged on the situation of fan inlet:
Referring to accompanying drawing 1-3, the adpting flange 1 of the one end of entrance sleeve 2 is connected with the entrance point of blower fan, the gas with noise leads to
Cross discharge connection 13 to enter, the gas with noise enters in the passage being made up of No. two deflection cones 8, microwell plate 11, by No. two
The silencing cotton 10 filled in the two horn bodies 9 that deflection cone 8, microwell plate 11 and orifice plate end plate 12 are formed, which eliminate for the first time, makes an uproar
Sound, enter back into the passage being made up of acoustic(al)absorbent protection slab 5 and sound-absorbing piece 6, led by end plate 3, acoustic(al)absorbent protection slab 5 and No.1
Silencing cotton 10 in the silencing cotton 10 filled in No.1 cylinder 4 that flow cone 7 is formed, and the cylinder being made up of sound-absorbing piece 6
Abated the noise for the second time, eliminate the complete gas of removing noise by second is discharged by blower fan.Silencing cotton 10 is absorbed
Gas in moisture content flow into the water pipe being made up of channel-section steel 14 and closure plate 15, then discharged by drainpipe 16.
Embodiment 3
Muffler is arranged on fan inlet and exports the situation at both ends:
Referring to accompanying drawing 1-3, when fan inlet end and the port of export are respectively mounted muffler, the working condition of fan outlet end muffler
Same as Example 1, the working condition of fan inlet end muffler is same as Example 2.Gas with noise can carry out two
Secondary muffler processing, drops noise lower.
All features disclosed in this specification, or it is disclosed it is all during the step of, except mutually exclusive feature
And/or beyond step, it can combine in any way.This specification（Including claim, summary）Disclosed in any spy
Sign, unless specifically stated otherwise, can alternative features equivalent by other or with similar purpose replaced.Remove and non-specifically chat
State, each feature is an example in a series of equivalent or similar characteristics.
Described above is only the non-limiting embodiment of the present invention, substantial amounts of embodiment can also be derived, for ability
For the those of ordinary skill in domain, the invention design is not being departed from and on the premise of not making creative work, can be with
The embodiment of several modifications and improvements is made, these belong to protection scope of the present invention.
Claims (3)
1. a kind of blower fan imports and exports muffler, including adpting flange（1）, entrance sleeve（2）, end plate（3）, No.1 cylinder（4）, inhale
Sound body protection slab（5）, sound-absorbing piece（6）, No.1 deflection cone（7）, No. two deflection cones（8）, two horn bodies（9）, silencing cotton（10）, it is micro-
Orifice plate（11）, orifice plate end plate（12）, discharge connection（13）, channel-section steel（14）, closure plate（15）And drainpipe（16）, it is characterised in that：
The entrance sleeve of the muffler（2）And discharge connection（13）On be respectively arranged with adpting flange（1）, muffler is in entrance sleeve（2）
One end, outer ring are equipped with No.1 cylinder（4）, inner ring is equipped with sound-absorbing piece（6）Cylinder, No.1 cylinder（4）With sound-absorbing piece（6）Between cylinder
Form gas passage, silencing end adapter（13）One end is equipped with by No. two deflection cones（8）, microwell plate（11）With orifice plate end plate
（12）The two horn bodies formed（9）, two horn bodies（9）Built with silencing cotton（10）, the side of muffler is equipped with by channel-section steel
（14）And closure plate（15）The water pipe of composition, water pipe and drainpipe（16）It is connected.
2. blower fan according to claim 1 imports and exports muffler, it is characterised in that：No.1 cylinder in the muffler
（4）By end plate（3）, acoustic(al)absorbent protection slab（5）With No.1 deflection cone（7）Composition, No.1 cylinder（4）Built with silencing cotton（10）.
3. blower fan according to claim 1 imports and exports muffler, it is characterised in that：Sound-absorbing piece in the muffler（6）
Cylinder is built with silencing cotton（10）, sound-absorbing piece（6）The section of cylinder is in Y types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711338962.8A CN107795528A (en) | 2017-12-14 | 2017-12-14 | A kind of blower fan imports and exports muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711338962.8A CN107795528A (en) | 2017-12-14 | 2017-12-14 | A kind of blower fan imports and exports muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107795528A true CN107795528A (en) | 2018-03-13 |
Family
ID=61537896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711338962.8A Pending CN107795528A (en) | 2017-12-14 | 2017-12-14 | A kind of blower fan imports and exports muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107795528A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145453A (en) * | 2019-05-13 | 2019-08-20 | 黄石祥宇轻工配件有限公司 | A kind of freezer compressor muffler |
| CN111529983A (en) * | 2020-04-28 | 2020-08-14 | 上海医盾医疗科技有限公司 | Power type breathing mask |
-
2017
- 2017-12-14 CN CN201711338962.8A patent/CN107795528A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145453A (en) * | 2019-05-13 | 2019-08-20 | 黄石祥宇轻工配件有限公司 | A kind of freezer compressor muffler |
| CN110145453B (en) * | 2019-05-13 | 2020-11-10 | 黄石祥宇轻工配件有限公司 | Refrigerator compressor silencer |
| CN111529983A (en) * | 2020-04-28 | 2020-08-14 | 上海医盾医疗科技有限公司 | Power type breathing mask |
| CN111529983B (en) * | 2020-04-28 | 2022-04-01 | 上海医盾医疗科技有限公司 | Power type breathing mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180313 |
|
| WD01 | Invention patent application deemed withdrawn after publication |