CN201306317Y - Air compressor silencer for mines - Google Patents
Air compressor silencer for mines Download PDFInfo
- Publication number
- CN201306317Y CN201306317Y CNU2008202154964U CN200820215496U CN201306317Y CN 201306317 Y CN201306317 Y CN 201306317Y CN U2008202154964 U CNU2008202154964 U CN U2008202154964U CN 200820215496 U CN200820215496 U CN 200820215496U CN 201306317 Y CN201306317 Y CN 201306317Y
- Authority
- CN
- China
- Prior art keywords
- baffler
- noise reduction
- air
- awl
- afflux
- 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.)
- Expired - Lifetime
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- 230000003584 silencer Effects 0.000 title claims abstract description 22
- 238000009792 diffusion process Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011358 absorbing material Substances 0.000 claims abstract description 10
- 230000009467 reduction Effects 0.000 claims description 62
- 238000005065 mining Methods 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 3
- 230000030279 gene silencing Effects 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000001743 silencing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 206010057315 Daydreaming Diseases 0.000 description 1
- 206010028372 Muscular weakness Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an air compressor silencer for mines. The air compressor silencer comprises an air inlet collecting silencer, an air compressor, an air outlet silencer, a diversion silencing cone, a diffusion silencing cone and sound absorbing material; wherein the diversion silencing cone is arranged eccentrically, and the cross section thereof is round or asymmetrical oblate; the diffusion silencing cone is water drop shaped, with larger inlet and smaller outlet; a plurality of silencing holes ranked in circular order of size in the right spin direction of the inner tube of the silencers and the axial direction of the silencers are arranged on the inner walls of the tubes of the air inlet collecting silencer and the air outlet silencer; a plurality of silencing holes ranked in circular order of size in the left spin direction of the tube walls of the silencing cones and the axial direction of the silencing cones are arranged on the outer walls of the diversion silencing cone and the diffusion silencing cone; equal air stream speed of the air inlet collecting silencer and the air compressor on the same cross section can be realized, and noise generated by air stream friction can be eliminated. The air compressor silencer has the advantages of simple structure, good silencing effect, low energy loss, high effective air pressure and convenient material maintenance and replacement, thereby having broad practicability.
Description
Technical field
The utility model relates to a kind of mining blower silencer, is particularly useful for air-supply, oxygenation, the gas-removing of coal mine roadway.
Background technique
Colliery pressure fan (portable blower) is the capital equipment of coal mine roadway air-supply, oxygenation, gas-removing.Existing pressure fan normally moves noise and reaches 130 decibels, and this physical impairment to down-hole miner is bigger; Long-term work, the miner has tinnitus, dizziness, weakness of limbs, absent minded, occupation disease such as ignition for no reason easily, this phenomenon is troubling down-hole miner for a long time, can't solve always.In order to address this problem, the researcher has adopted the resistive baffler of micropore to the colliery pressure fan, as the patent No. is 89216348.8 disclosed mining portable blower silencing apparatuss, mainly adopt and on rectification noise elimination fairing, be surrounded with the screw piece that helix angle constantly changes, make the air-flow rotation reach the purpose of noise elimination, this baffler increases mode noise reductions such as resistance by sound absorption, but its complex manufacturing technology is difficult to carry out.Noise can be controlled at the 88-90 decibel in short-term, but its effective runtime only be about three months, and volume is big, material maintenance and replacement is difficult, wind loss is big.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes in the prior art, provides a kind of simple in structure, and volume is little, is convenient to maintenance, and effective runtime is long, the mining blower silencer of good muffling effect.
Mining blower silencer of the present utility model, comprise and be located at air intake afflux baffler and the air-out baffler that pressure fan is imported and exported two ends respectively, be provided with water conservancy diversion noise reduction awl in the air intake afflux baffler, be provided with diffusion noise reduction awl in the air-out baffler, the inner filling of the barrel interlayer of air intake afflux baffler and air-out baffler, water conservancy diversion noise reduction awl and diffusion noise reduction awl has sound absorbing material, the eccentric setting of described water conservancy diversion noise reduction awl, its cross section is circular or asymmetric oblateness; Described diffusion noise reduction awl is drops, and its ingress is big, and the outlet port is little; The tube inwall of air intake afflux baffler and air-out baffler is provided with several along baffler inner core right-hand helix direction with along the baffler axial direction bloop of cycle arrangement by size; The outer wall of water conservancy diversion noise reduction awl and diffusion noise reduction awl is provided with several along noise reduction awl barrel left hand screw line direction with along the noise reduction axis of cone line direction bloop of cycle arrangement by size; The joining end ingress of the pressured blower fan of air-out baffler is provided with the bent shell Taper Pipe in whirlpool, and the outlet end of air-out baffler is provided with the afflux Taper Pipe; The two ends of water conservancy diversion noise reduction awl and diffusion noise reduction awl are respectively equipped with the support fixation bar that is located.
Right-hand helix on the tube inwall of described air intake afflux baffler and air-out baffler is arranged with the left hand screw line dislocation that water conservancy diversion noise reduction awl and diffusion noise reduction are bored on the outer wall respectively; The air intake entrance of the bent shell Taper Pipe in described whirlpool is for making the volute of distinguished and admirable eddy current, and outlet section is the bent conical surface; The cross section of described support fixation bar is a streamline; Be laid with easy-to-dismount spun yarn net on the tube inwall of described air intake afflux baffler and air-out baffler; Be laid with easy-to-dismount spun yarn net on the outer wall of water conservancy diversion noise reduction awl and diffusion noise reduction awl; Described sound absorbing material is lightweight, do not burn, the thin cotton composite material of indeformable glass.
Mining blower silencer of the present utility model, connect by parts are accurate with air intake afflux baffler, water conservancy diversion noise reduction awl, afflux Taper Pipe, the bent shell Taper Pipe in whirlpool, rear portion, air-out baffler, diffusion noise reduction awl etc., formation has a kind of integral body of natural frequency, can avoid the vibration because of relative displacement generation between parts in service.Because between the inner/outer tube of air intake afflux baffler, air-out baffler and water conservancy diversion noise reduction awl, diffusion noise reduction awl inner filling lightweight, do not burn, the thin cotton composite sound-absorbing material of indeformable glass, can strengthen erasure effect, weight reduction and reduce volume.Be provided with water conservancy diversion noise reduction awl is eccentric, air intake afflux baffler and the pressure fan distinguished and admirable speed on same cross section that can realize all equates, thus the stream noise that rubs and cause of having eliminated wind.Diffusion noise reduction awl is made the water droplet shape of special parameter, can realize that supercharging falls resistance and eliminate the function of wake flow noise, cavitation erosion.Can be with the noise long-term control below 90 decibels, it is simple in structure, and volume is little, good muffling effect, wind loss is little, and effectively blast is big, and convenient material maintenance and replacement has practicability widely.
Description of drawings
Fig. 1 is a mining blower silencer structural drawing of the present utility model.
Schematic representation is arranged in Fig. 2 the utility model baffler inner tube wall bloop spiral orientation.
Schematic representation is arranged in Fig. 3 the utility model noise reduction awl bloop spiral orientation.
The A of Fig. 4 Fig. 1-A sectional view.
Among the figure: 1-air intake afflux baffler, 2-pressure fan, 3-air-out baffler, 4-air intake afflux baffler urceolus, 5-support fixation bar, 6-sound absorbing material, 7-air intake afflux baffler inner core, 8-water conservancy diversion noise reduction awl, the 9-otic placode, 10-bloop, 11-afflux Taper Pipe, the 12-flange, the bent shell Taper Pipe in 13-whirlpool, 14-air-out baffler urceolus, 15-bloop, 16-air-out baffler inner core, 17-diffusion noise reduction awl, 18-baffler axis, 19-baffler inner core helix, 20-noise reduction awl barrel reverse acting spiral line, 21-noise reduction axis of cone line.
Embodiment
The utility model will be further described below in conjunction with the embodiment in the accompanying drawing:
Shown in Figure 1, mining blower silencer is made of the air intake afflux baffler 1 and the air-out baffler 3 that are located at pressure fan 2 import and export two ends, and air intake afflux baffler 1 and air-out baffler 3 connect with pressure fan 2 by flange respectively.Air intake afflux baffler 1 mainly is made of air intake afflux baffler urceolus 4, air intake afflux baffler inner core 7 and water conservancy diversion noise reduction awl 8, on the air intake afflux baffler urceolus 4 otic placode of being convenient to hang 9 is housed, water conservancy diversion noise reduction awl 8 eccentric settings, its cross section is circular, Fig. 4 (b), or asymmetric oblateness, Fig. 4 (a), can realize that air intake afflux baffler 1 and pressure fan 2 all equate at same cross section windward flow velocity degree, eliminate the noise that distinguished and admirable friction causes.Air-out baffler 3 mainly is made of air-out baffler urceolus 14, air-out baffler inner core 16 and diffusion noise reduction awl 17, the otic placode of being convenient to hang 9 is housed on the air-out baffler urceolus 14, diffusion noise reduction awl 17 is a drops, its ingress is big, the outlet port is little, is beneficial to realize that supercharging falls resistance and eliminate the function of wake flow noise, cavitation erosion.17 hollow inner fillings are bored in interlayer between interlayer, air-out baffler urceolus 14 and air-out baffler inner core 16 barrels between air intake afflux baffler urceolus 4 and air intake afflux baffler inner core 7 barrels, water conservancy diversion noise reduction awl 8 and diffusion noise reduction sound absorbing material 6, sound absorbing material 6 for lightweight, do not burn, the thin cotton composite material of indeformable glass.The tube of air intake afflux baffler 1 and air-out baffler 3 has several on the inwall along baffler inner core right-hand helix 19 directions with along the baffler axis 18 directions bloop 10 of cycle arrangement by size, bloop 10 geometric ratio cycle arrangement, the azimythal angle of baffler inner core right-hand helix 19 are pressed the size of the power of pressure fan 2, blade angle and are determined.As shown in Figure 2.The outer wall of water conservancy diversion noise reduction awl 8 and diffusion noise reduction awl 17 is provided with several along noise reduction awl barrel left hand screw line 20 directions with along the noise reduction axis of cone line 21 directions bloop 15 of cycle arrangement by size, bloop 15 geometric ratio cycle arrangement, the azimythal angle of baffler inner core left hand screw line 20 are pressed the size of the power of pressure fan 2, blade angle and are determined.As shown in Figure 3.Right-hand helix 19 on the tube inwall of air intake afflux baffler 1 and air-out baffler 3 is arranged with left hand screw line 20 dislocation that water conservancy diversion noise reduction awl 8 and diffusion noise reduction are bored on 17 outer walls respectively, be that bloop 15 distribution helixes and bloop 10 distribution helixes are dislocatedly distributed, and Hand of spiral is opposite, and air intake afflux baffler 1 and water conservancy diversion noise reduction awl 8, air-out baffler 3 are cancelled out each other with the vibration that diffusion noise reduction awl 17 produces.Be laid with easy-to-dismount spun yarn net on the tube inwall of air intake afflux baffler 1 and air-out baffler 3; Be laid with easy-to-dismount spun yarn net on the outer wall of water conservancy diversion noise reduction awl 8 and diffusion noise reduction awl 17, the spun yarn net helps guaranteeing the tightness of sound absorbing material 6.The joining end ingress of air-out baffler 3 pressured blower fans 2 is provided with the bent shell Taper Pipe 13 in whirlpool, the air intake entrance of the bent shell Taper Pipe 13 in whirlpool is for making the volute of distinguished and admirable eddy current, outlet section is the bent conical surface, the distinguished and admirable rotation power consumption that pressure fan 2 is come out is minimum, and converts noise energy to promotion distinguished and admirable effective pressure along air-out baffler 3 inner chamber axial flow.The outlet end of air-out baffler 3 is provided with afflux Taper Pipe 11, and be equipped with and pipeline flange connecting 12 end of afflux Taper Pipe 11.The support fixation bar 5 that is located is equipped with at the two ends of water conservancy diversion noise reduction awl 8 and diffusion noise reduction awl 17 respectively, design and installation is carried out by the requirement of eliminating turbulent flow in its position, the cross section of support fixation bar 5 is a streamline, in order to eliminating noise and the energy loss that causes owing to rod member.
Claims (6)
1. mining blower silencer, comprise and be located at air intake afflux baffler (1) and the air-out baffler (3) that pressure fan (2) is imported and exported two ends respectively, be provided with water conservancy diversion noise reduction awl (8) in the air intake afflux baffler (1), be provided with diffusion noise reduction awl (17) in the air-out baffler (3), the inner filling of the barrel interlayer of air intake afflux baffler (1) and air-out baffler (3), water conservancy diversion noise reduction awl (8) and diffusion noise reduction awl (17) has sound absorbing material (6), it is characterized in that: described water conservancy diversion noise reduction awl (8) is eccentric to be provided with, and its cross section is circular or asymmetric oblateness; Described diffusion noise reduction awl (17) is a drops, and its ingress is big, and the outlet port is little; The tube inwall of air intake afflux baffler (1) and air-out baffler (3) is provided with several along baffler inner core right-hand helix (19) direction with along baffler axis (18) the direction bloop of cycle arrangement (10) by size; The outer wall of water conservancy diversion noise reduction awl (8) and diffusion noise reduction awl (17) is provided with several and bores barrel left hand screw line (20) direction and along noise reduction axis of cone line (21) the direction bloop of cycle arrangement (15) by size along noise reduction; The joining end ingress of the pressured blower fan of air-out baffler (3) (2) is provided with the bent shell Taper Pipe (13) in whirlpool, and the outlet end of air-out baffler (3) is provided with afflux Taper Pipe (11); The two ends of water conservancy diversion noise reduction awl (8) and diffusion noise reduction awl (17) are respectively equipped with the support fixation bar (5) that is located.
2. mining blower silencer according to claim 1 is characterized in that: the right-hand helix (19) on the tube inwall of described air intake afflux baffler (1) and air-out baffler (3) is arranged with left hand screw line (20) dislocation that water conservancy diversion noise reduction awl (8) and diffusion noise reduction are bored on (17) outer wall respectively.
3. mining blower silencer according to claim 1 is characterized in that: the air intake entrance of the bent shell Taper Pipe in described whirlpool (13) is for making the volute of distinguished and admirable eddy current, and outlet section is the bent conical surface.
4. mining blower silencer according to claim 1 is characterized in that: the cross section of described support fixation bar (5) is a streamline.
5. mining blower silencer according to claim 1 is characterized in that: be laid with easy-to-dismount spun yarn net on the tube inwall of described air intake afflux baffler (1) and air-out baffler (3); Be laid with easy-to-dismount spun yarn net on the outer wall of water conservancy diversion noise reduction awl (8) and diffusion noise reduction awl (17).
6. mining blower silencer according to claim 1 is characterized in that: described sound absorbing material (6) is lightweight, do not burn, the thin cotton composite material of indeformable glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202154964U CN201306317Y (en) | 2008-12-03 | 2008-12-03 | Air compressor silencer for mines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202154964U CN201306317Y (en) | 2008-12-03 | 2008-12-03 | Air compressor silencer for mines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201306317Y true CN201306317Y (en) | 2009-09-09 |
Family
ID=41098783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202154964U Expired - Lifetime CN201306317Y (en) | 2008-12-03 | 2008-12-03 | Air compressor silencer for mines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201306317Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302068A (en) * | 2018-04-23 | 2018-07-20 | 安徽新园矿山设备制造有限责任公司 | A kind of portable blower noise-reduction device |
| CN108730237A (en) * | 2018-05-08 | 2018-11-02 | 华中科技大学 | A kind of fans silencer of measurable flow amount |
| CN110219813A (en) * | 2019-04-28 | 2019-09-10 | 山西尚风科技股份有限公司 | A kind of ventilation duct power device |
| CN110230746A (en) * | 2019-04-28 | 2019-09-13 | 山西尚风科技股份有限公司 | A kind of ventilation end muffler |
-
2008
- 2008-12-03 CN CNU2008202154964U patent/CN201306317Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302068A (en) * | 2018-04-23 | 2018-07-20 | 安徽新园矿山设备制造有限责任公司 | A kind of portable blower noise-reduction device |
| CN108730237A (en) * | 2018-05-08 | 2018-11-02 | 华中科技大学 | A kind of fans silencer of measurable flow amount |
| CN108730237B (en) * | 2018-05-08 | 2020-05-19 | 华中科技大学 | Fan silencer capable of measuring flow |
| CN110219813A (en) * | 2019-04-28 | 2019-09-10 | 山西尚风科技股份有限公司 | A kind of ventilation duct power device |
| CN110230746A (en) * | 2019-04-28 | 2019-09-13 | 山西尚风科技股份有限公司 | A kind of ventilation end muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20081203 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20081203 |