CN107477000A - A kind of blower fan for constructing tunnel - Google Patents
A kind of blower fan for constructing tunnel Download PDFInfo
- Publication number
- CN107477000A CN107477000A CN201610406923.6A CN201610406923A CN107477000A CN 107477000 A CN107477000 A CN 107477000A CN 201610406923 A CN201610406923 A CN 201610406923A CN 107477000 A CN107477000 A CN 107477000A
- Authority
- CN
- China
- Prior art keywords
- stage impeller
- main body
- air duct
- body air
- level motor
- 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.)
- Pending
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/08—Ventilation arrangements in connection with air ducts, e.g. arrangements for mounting ventilators
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of blower fan for constructing tunnel, including current collector, radome fairing, import silencing pot, main body air duct, one-level motor, two level motor, one stage impeller, sencond stage impeller, outlet silencing cylinder, the left side of center line is provided with one stage impeller inside the main body air duct, the right side of center line is provided with sencond stage impeller inside the main body air duct, one-level motor is provided with the left of the one stage impeller, two level motor is provided with the right side of the sencond stage impeller, the one stage impeller, sencond stage impeller, one-level motor, two level motor is with same level axis connection, the left-external side of the main body air duct is socketed with import silencing pot, radome fairing is provided with inside the import silencing pot, the import silencing pot left end is socketed with current collector, the right outside of main body air duct is socketed with outlet silencing cylinder.The beneficial effects of the invention are as follows in use, ventilation effect is excellent, and good construction environment can be provided for work progress in tunneling.
Description
Technical field
The invention belongs to constructing tunnel apparatus field, more particularly, to a kind of blower fan for constructing tunnel.
Background technology
Constructing tunnel operating environment, be primarily referred to as gas (air quality, temperature), light (brightness), dirt (dust),
Sound (noise), electric (stray electrical current), water (humidity, water burst) influence on construction environment.In above-mentioned factor,
Air quality is an important factor for influenceing tunneling operation environment.
In constructing tunnel, due to explosive charge, internal combustion engine use, excavate when stratum in release pernicious gas,
The factors such as one-level workmen breathing, make air in hole very dirty, the influence to people.Therefore, constructing tunnel
Ventilation is to provide good construction environment, and upkeep operation personnel's health, guarantee is made into, smooth construction, is carried
High workload efficiency, ensure the essential condition of construction quality.
By the tunnel type to be constructed is most different, it is therefore desirable to corresponding to be existed using different types of blower fan
It is used cooperatively in construction, so brings many inconveniences unavoidably also while some waves economically can be caused
Take, same Fans is tackled a variety of tunnel types, auxiliary completes construction, turns into such blower fan
One of direction of product development and design.
The content of the invention
It is an object of the invention to provide it is a kind of it is simple in construction, installation is simple, be suitable for varying environment be used for tunnel
The blower fan of construction.
The technical scheme is that：A kind of blower fan for constructing tunnel, including current collector, radome fairing, enter
Mouth silencing pot, main body air duct, one-level motor, two level motor, one stage impeller, sencond stage impeller, outlet silencing cylinder,
The left side of center line is provided with one stage impeller inside the main body air duct, and the right side of main body air duct inside center line is provided with
Sencond stage impeller, the one stage impeller left side are provided with one-level motor, two level motor are provided with the right side of the sencond stage impeller,
The one stage impeller, sencond stage impeller, one-level motor, two level motor are with same level axis connection, the main body
The left-external side of air duct is socketed with import silencing pot, is provided with radome fairing inside the import silencing pot, the import disappears
Cylinder record left end is socketed with current collector, and the right outside of main body air duct is socketed with outlet silencing cylinder；
Further, import silencing pot, radome fairing and the current collector are set with main body air duct same level axle；
Further, the outlet silencing cylinder is set with main body air duct same level axle.
The present invention has the advantages and positive effects of：Due to using above-mentioned technical proposal, making in tunneling
Used time, ventilation effect is excellent, and good construction environment can be provided for work progress.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the scheme of installation when present invention is used cooperatively with air duct.
In figure：
1st, current collector；2nd, radome fairing；3rd, import silencing pot；4th, main body air duct；5th, one-level motor；6、
Two level motor；7th, one stage impeller；8th, sencond stage impeller；9th, outlet silencing cylinder；10th, blower rack；11st, wind
Cylinder；12nd, the attached buttons of S；13rd, steel wire parallel lines；14th, working face.
Embodiment
The present invention is elaborated below in conjunction with the accompanying drawings.
Assembled portion part may be selected according to different tunnels in the present invention, and specific assembly method is as follows：
1. single-stage single speed formula：Only installation two level motor 6 and sencond stage impeller 8
A kind of blower fan for constructing tunnel of the invention, including current collector 1, radome fairing 2, import silencing pot 3,
Main body air duct 4, two level motor 6, sencond stage impeller 8, outlet silencing cylinder 9, the inside center line of main body air duct 4
Right side be provided with sencond stage impeller 6, the right side of sencond stage impeller 6 is provided with two level motor 6, the sencond stage impeller 8,
Two level motor 6 is socketed with import silencing pot 3 with same level axis connection, the left-external side of the main body air duct 4,
The inside of import silencing pot 3 is provided with radome fairing 2, and the left end of import silencing pot 3 is socketed with current collector 1,
The 4 right outside of main body air duct is socketed with outlet silencing cylinder 9；
Further, the import silencing pot 3, radome fairing 2 and current collector 1 with 4 same water of main body air duct
Flat axle is set；
Further, the outlet silencing cylinder 9 is set with the same level axle of main body air duct 4.
This type blower fan is applied to big cross section product construction ventilation of tunnel of the length less than 1300 meters, and sencond stage impeller is straight
Footpath 500mm~1800mm, flow 15000m3/ h~240000m3/ h, total head 1200Pa~2200Pa.
2. convection rotary type：Assemble one stage impeller 7, sencond stage impeller 8, one-level motor 5 and two level motor 6, one-level
Impeller 7 is opposite with the direction of rotation of sencond stage impeller 8；
A kind of blower fan for constructing tunnel, including current collector 1, radome fairing 2, import silencing pot 3, main body
Air duct 4, one-level motor 5, two level motor 6, one stage impeller 7, sencond stage impeller 8, outlet silencing cylinder 9, institute
The left side for stating the inside center line of main body air duct 4 is provided with one stage impeller 7, the right side of the inside center line of main body air duct 4
Provided with sencond stage impeller 8, the left side of one stage impeller 7 is provided with one-level motor 5, and the right side of sencond stage impeller 8 is set
There is two level motor 6, the one stage impeller 7, sencond stage impeller 8, one-level motor 5, two level motor 6 are with same
Horizontal axis connection, the left-external side of the main body air duct 4 are socketed with import silencing pot 3, the import silencing pot 3
Inside is provided with radome fairing 2, and the left end of import silencing pot 3 is socketed with current collector 1, and the main body air duct 4 is right
Outside is socketed with outlet silencing cylinder 9；
Further, the import silencing pot 3, radome fairing 2 and current collector 1 with 4 same water of main body air duct
Flat axle is set；
Further, the outlet silencing cylinder 9 is set with the same level axle of main body air duct 4；
The blower fan for constructing tunnel of this type, the pressure higher than the series connection of two single-stage axial flow fans can be produced,
Apply in general to the major long tunnel construction ventilation that length is more than more than 1000 meters.Impeller diameter 450mm~
1800mm, flow 12500m3/ h~240000m3/ h, total head 2500Pa~5200Pa.
3. speed governing type：Assemble one stage impeller 7, sencond stage impeller 8, one-level motor 5 and two level motor 6, one-level
Impeller 7 and the direction of rotation of sencond stage impeller 8 pass through one-level motor 5 and two level on the contrary, motor uses double-speed motor
The different rotating speeds two of motor 6 are fan performance high, medium and low speed third gear, can regard three equivalent to her typhoon class
The blower fan of platform different capacity uses；
A kind of blower fan for constructing tunnel, including current collector 1, radome fairing 2, import silencing pot 3, main body
Air duct 4, one-level motor 5, two level motor 6, one stage impeller 7, sencond stage impeller 8, outlet silencing cylinder 9, institute
The left side for stating the inside center line of main body air duct 4 is provided with one stage impeller 7, the right side of the inside center line of main body air duct 4
Provided with sencond stage impeller 8, the left side of one stage impeller 7 is provided with one-level motor 5, and the right side of sencond stage impeller 8 is set
There is two level motor 6, the one stage impeller 7, sencond stage impeller 8, one-level motor 5, two level motor 6 are with same
Horizontal axis connection, the left-external side of the main body air duct 4 are socketed with import silencing pot 3, the import silencing pot 3
Inside is provided with radome fairing 2, and the left end of import silencing pot 3 is socketed with current collector 1, and the main body air duct 4 is right
Outside is socketed with outlet silencing cylinder 9；
Further, the import silencing pot 3, radome fairing 2 and current collector 1 with 4 same water of main body air duct
Flat axle is set；
Further, the outlet silencing cylinder 9 is set with the same level axle of main body air duct 4；
Constructing tunnel initial stage using keep out, mid-term middle-grade, the later stage top grade, energy-saving effect is obvious, energy
The effective requirement for meeting major long tunnel construction different times and changing to fan delivery blast, impeller diameter
500mm~1600mm, flow 7500m3/ h~210000m3/ h, total head 625Pa~4900Pa.
The installation process of this example：The blower fan of any one form of the present invention is required to and special PVC malleations
Air duct 11 or PVC negative pressure air ducts 11 are used cooperatively；Specific installation method is as shown in Fig. 2 on the top in tunnel
Or wall is squeezed into anchor pole by left and right, installation steel wire parallel lines are then used as between anchor pole by the use of a steel wire weld
13, after tunnel blower is connected with air duct 11, air duct 11 and steel wire parallel lines 13 are connected to the attached buttons 12 of S
On, it is necessary to each attached buttons 12 of S are suspended to, the zipper joint that air duct 11 is connected with air duct 11, it is seen that draw
The leaflet of chain air opening end, down wind forward, is serially connected to working face 14, away from working face 14 preferably in 15mm
Left and right, blown up to prevent blowing out.
When the basis of installation blower fan or the tunnel blower support 10 of field fabrication should be able to fully bear body and operation
Caused vibrations, the supporting leg of support and the blower fan for constructing tunnel want firm and reliable connection.Due to fresh air
Temperature is relatively low, and density is larger, and buoyancy is smaller, and then temperature is higher for waste gas in two holes, and density is smaller, so in hole
For waste gas always on cold fresh air, therefore when being provided for the blower fan of constructing tunnel, its installation site should basis
Draft type determines：Pull-out type is suitably extracted out based on waste gas, and the blower fan for constructing tunnel is arranged on tunnel as far as possible
Middle and upper part；Forced is to be sent into based on fresh air, and the blower fan for constructing tunnel is arranged in tunnel as far as possible
Bottom.
One embodiment of the present of invention is described in detail above, but the content is only the preferable of the present invention
Embodiment, it is impossible to be considered as the practical range for limiting the present invention.It is all made according to the present patent application scope it is equal
Deng change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (3)
- A kind of 1. blower fan for constructing tunnel, it is characterised in that：Disappear including current collector, radome fairing, import Cylinder record, main body air duct, one-level motor, two level motor, one stage impeller, sencond stage impeller, outlet silencing cylinder, institute The left side for stating center line inside main body air duct is provided with one stage impeller, and the right side of main body air duct inside center line is provided with two Level impeller, the one stage impeller left side are provided with one-level motor, two level motor, institute are provided with the right side of the sencond stage impeller One stage impeller, sencond stage impeller, one-level motor, two level motor are stated with same level axis connection, the main body wind The left-external side of cylinder is socketed with import silencing pot, and radome fairing is provided with inside the import silencing pot, and the import is eliminated the noise Cylinder left end is socketed with current collector, and the right outside of main body air duct is socketed with outlet silencing cylinder.
- A kind of 2. blower fan for constructing tunnel according to claim 1, it is characterised in that：It is described enter Mouth silencing pot, radome fairing and current collector are set with main body air duct same level axle.
- A kind of 3. blower fan for constructing tunnel according to claim 1, it is characterised in that：It is described go out Mouth silencing pot is set with main body air duct same level axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406923.6A CN107477000A (en) | 2016-06-08 | 2016-06-08 | A kind of blower fan for constructing tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406923.6A CN107477000A (en) | 2016-06-08 | 2016-06-08 | A kind of blower fan for constructing tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477000A true CN107477000A (en) | 2017-12-15 |
Family
ID=60593516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610406923.6A Pending CN107477000A (en) | 2016-06-08 | 2016-06-08 | A kind of blower fan for constructing tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529168A (en) * | 2019-10-13 | 2019-12-03 | 山西巨龙风机有限公司 | It is a kind of can automatic temperature-control air feed constructing tunnel ventilation blower |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201763693U (en) * | 2010-08-30 | 2011-03-16 | 湖北赛福机械有限公司 | Contra-rotating axial-flow type partial ventilating machine with built-in ventilating pipes |
| CN202579348U (en) * | 2012-04-13 | 2012-12-05 | 李先保 | Mining counter-rotating local ventilating fan with a plurality of mufflers |
| CN203532344U (en) * | 2013-09-24 | 2014-04-09 | 辽宁工程技术大学 | Mine local fan |
| CN205823681U (en) * | 2016-06-08 | 2016-12-21 | 天津中隧通风机有限公司 | A kind of constructing tunnel blower fan |
-
2016
- 2016-06-08 CN CN201610406923.6A patent/CN107477000A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201763693U (en) * | 2010-08-30 | 2011-03-16 | 湖北赛福机械有限公司 | Contra-rotating axial-flow type partial ventilating machine with built-in ventilating pipes |
| CN202579348U (en) * | 2012-04-13 | 2012-12-05 | 李先保 | Mining counter-rotating local ventilating fan with a plurality of mufflers |
| CN203532344U (en) * | 2013-09-24 | 2014-04-09 | 辽宁工程技术大学 | Mine local fan |
| CN205823681U (en) * | 2016-06-08 | 2016-12-21 | 天津中隧通风机有限公司 | A kind of constructing tunnel blower fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529168A (en) * | 2019-10-13 | 2019-12-03 | 山西巨龙风机有限公司 | It is a kind of can automatic temperature-control air feed constructing tunnel ventilation blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171215 |
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| WD01 | Invention patent application deemed withdrawn after publication |