CN203130137U - Ventilating system and ventilating device of long-distance blind roadway - Google Patents
Ventilating system and ventilating device of long-distance blind roadway Download PDFInfo
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- CN203130137U CN203130137U CN 201320076818 CN201320076818U CN203130137U CN 203130137 U CN203130137 U CN 203130137U CN 201320076818 CN201320076818 CN 201320076818 CN 201320076818 U CN201320076818 U CN 201320076818U CN 203130137 U CN203130137 U CN 203130137U
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Abstract
The utility model discloses a ventilating system and a ventilating device of a long-distance blind roadway. The ventilating system comprises a first group of ventilators, a second group of ventilators, a flexible air duct and a hard air duct, wherein the first group of ventilators and the second group of ventilators are arranged along the depth direction of the roadway, and the air outlet end of the first group of ventilators is connected with the flexible air duct. The first group of ventilators is arranged at a roadway entrance, the second group of ventilators is arranged in the roadway, the hard air duct is connected between the flexible air duct and the air inlet end of the second group of ventilators, the tail end of the flexible air duct is arranged in the hard air duct, and a gap is reserved between the outer wall face of the flexible air duct and the inner wall face of the hard air duct. The ventilating system of the long-distance blind roadway can utilize fresh air sources to the most extent, decreases waste air circulating amount, does not have high requirement for matching of the hard air duct, a fan and the like, is strong in operability and good in adaptability and reduces the production cost.
Description
Technical field
The utility model relates to the aeration technology in mine and tunnel, more specifically, relates to a kind of long ventilation system apart from use in the dead face driving that is applied to.
Background technology
In mining and geological prospecting engineering, stope and driving face are along with the development of producing is constantly pushed ahead, and the roadway of driving has only an outlet at first stage of construction, is called dead face.In the isometric construction apart from dead face of mine and tunnel, when the dead face driving distance greater than 1000 meters, adopt one group of ventilation fan to ventilate to be difficult to the fresh wind that solves work plane to supply with problem; If distance is greater than 1500 meters, because the influence of the windage of air duct, the factor of leaking out etc., one group of blower fan can't satisfy the fresh normal wind demand of work plane, the fresh wind that need take certain venting practice to solve work plane is supplied with problem, at present, Chang Yong settling mode is for setting up booster.
The ventilation fan mode of setting up is generally the dislocation of hard ventilating tube serial connection or blower fan and sets up.Hard ventilating tube serial connection cost is higher, and there is the useless bigger problem of wind internal circulating load in the mode that dislocation is set up, can not well satisfy the job site needs, solve the practical problem that exists in the site operation.
The utility model content
At the prior art above shortcomings, one of the purpose of this utility model is to provide a kind of long ventilation system and ventilation installation apart from use in the dead face driving that can be applicable to.
One side of the present utility model provides a kind of ventilation system of growing apart from dead face.Described ventilation system is for the work plane of fresh wind being delivered in the tunnel, comprise first group of ventilation fan, second group of ventilation fan, flexible air duct and hard ventilating tube, described first group of ventilation fan and second group of ventilation fan arrange along the tunnel depth direction, and the outlet air end of described first group of ventilation fan is connected with flexible air duct, wherein, first group of ventilation fan is arranged on access adit, second group of ventilation fan is arranged in the tunnel, described hard ventilating tube is connected between the air intake of flexible air duct and second group of ventilation fan, described flexible air duct end places in the described hard ventilating tube, and leaves the gap between the outside wall surface of described flexible air duct and the described hard ventilating tube internal face.
According to the embodiment of length of the present utility model apart from the ventilation system of dead face, it is 0.5～1m that the flexible air duct of described first group of ventilation fan places the air duct length in the described hard ventilating tube.
According to the embodiment of length of the present utility model apart from the ventilation system of dead face, the flexible air duct end of described first ventilation fan can be fixed on the internal face of described hard ventilating tube by suspension centre.
According to the embodiment of length of the present utility model apart from the ventilation system of dead face, described hard ventilating tube can be made by galvanized sheet iron.
According to the embodiment of length of the present utility model apart from the ventilation system of dead face, the wall thickness of described hard ventilating tube is 1.5～2mm, and length is 1～1.5m.
According to the embodiment of length of the present utility model apart from the ventilation system of dead face, described first group of ventilation fan comprises a ventilation fan or a plurality of ventilation fans that are connected in series; Second group of ventilation fan comprises a ventilation fan or a plurality of ventilation fans that are connected in series.
Of the present utility modelly provide a kind of ventilation installation of growing apart from dead face on the other hand.Described ventilation installation comprises a plurality of aforesaid ventilation system that is connected in series, and it is in two ventilation systems that are one another in series, identical in the connected mode of the connected mode between second group of ventilation fan of the ventilation system in the place ahead and the first group of ventilation fan in the ventilation system at rear and first group of ventilation fan in the described ventilation system and second group of ventilation fan according to the wind direction flow direction.
Compared with prior art, the beneficial effects of the utility model comprise: can utilize fresh wind regime to greatest extent, reduce useless wind internal circulating load; Less demanding to matchings such as hard ventilating tube, blower fans, workable, compliance is good; Reduced cost of production.
Description of drawings
Fig. 1 shows according to the length of the utility model exemplary embodiment a kind of working state figure apart from the ventilation system of dead face;
Fig. 2 shows according to the length of the utility model exemplary embodiment another kind of working state figure apart from the ventilation system of dead face;
Description of reference numerals is as follows:
1, the flexible air duct 2 that is connected with first group of ventilation fan, second group of ventilation fan 3, the flexible air duct 4, hard ventilating tube 5, suspension centre 6, the flange that are connected with second group of ventilation fan.
The specific embodiment
Hereinafter, will describe in detail according to ventilation system and the ventilation installation of length of the present utility model apart from dead face with exemplary embodiment by reference to the accompanying drawings.
Fig. 1 shows according to the length of the utility model exemplary embodiment a kind of working state figure apart from the ventilation system of dead face.Fig. 2 shows according to the length of the utility model exemplary embodiment another kind of working state figure apart from the ventilation system of dead face.
As Fig. 1, shown in Figure 2, in long construction apart from dead face, if only at access adit one group of ventilation fan (being called first group of blower fan) is set, and (claim again by light air tube 1, during flexible air duct) with fresh feeding lane inner working face, because light air tube 1 inleakage is big, factors such as flowing resistance is big, make ventilation effect bad, therefore, the length of the utility model exemplary embodiment apart from the ventilation system of dead face on the basis of existing blower fan, in the tunnel, set up one group of blower fan 2 (being called second group of blower fan), the outlet air end of this ventilation fan 2 is communicated with another section light air tube 3, and between the air intake of the light air tube 1 of first group of ventilation fan and second group of ventilation fan 2, be connected in series one section hard ventilating tube 4, the diameter of this hard ventilating tube 4 is suitable with second group of newly-increased ventilation fan 2, flexible air duct 1 end of first group of ventilation fan places in the hard ventilating tube 4, and leaves the gap between flexible air duct 1 outside wall surface of first ventilation fan and hard ventilating tube 4 internal faces.
In the unit interval, when the actual air output of flexible air duct 1 end of first group of ventilation fan during more than or equal to the actual row air quantity of second group of blower fan 2 newly establishing, the length of the utility model exemplary embodiment apart from the duty of the ventilation system of dead face as shown in Figure 1, not useless wind circulation, the ventilation effect of work plane is good.
In the unit interval, when the actual air output of flexible air duct 1 end of first group of ventilation fan during less than the actual row air quantity of second group of blower fan 2 newly establishing, the length of the utility model exemplary embodiment apart from the duty of the ventilation system of dead face as shown in Figure 2, a spot of useless wind enters in the hard ventilating tube 4 by flexible air duct 1 outside wall surface of first ventilation fan and the gap between hard ventilating tube 4 internal faces, and as the air supply work plane, at this moment, suitably adjust the position of second group of newly-increased blower fan 2, just can guarantee the supply of the fresh wind of work plane so that the actual air output of flexible air duct 1 end of first group of ventilation fan is not less than or is slightly less than the actual row air quantity of second group of blower fan 2 newly establishing.If do not stay the gap between flexible air duct 1 outside wall surface of first ventilation fan and hard ventilating tube 4 internal faces, when the actual air output of flexible air duct 1 end of first group of ventilation fan during again less than the actual row air quantity of second group of blower fan 2 newly establishing, flexible air duct 1 end of first ventilation fan is inhaled flat by second group of blower fan 2 easily, cause the air duct internal short-circuit, even with serious consequences such as blower fan burn.
In a preferred exemplary embodiment of the present utility model, the flexible air duct 4 of first group of ventilation fan places the air duct length in the hard ventilating tube 4 to can be 0.5～1m.
In another preferred exemplary embodiment of the present utility model, flexible air duct 1 end of first ventilation fan is fixed on the internal face of hard ventilating tube 4 by suspension centre 5.
In another preferred exemplary embodiment of the present utility model, hard ventilating tube 4 can be that the galvanized sheet iron of 1.5～2mm is made by wall thickness, and the length of hard ventilating tube is 1～1.5m.
In another preferred exemplary embodiment of the present utility model, adopt flange 6 to be connected between hard ventilating tube 4 and the second group of ventilation fan 2.
According to tunnel length and production needs, above-mentioned each group ventilation fan namely can be made of a ventilation fan, also can be that many ventilation fans serial connections form, and for example, second group of ventilation fan shown in Fig. 1, Fig. 2 namely is to be made of two ventilation fans.
In addition, of the present utility modelly provide a kind of ventilation installation of growing apart from dead face on the other hand.Described ventilation installation comprises a plurality of aforesaid ventilation system that is connected in series, and it is in two ventilation systems that are one another in series, identical in the connected mode of the connected mode between second group of ventilation fan of the ventilation system in the place ahead and the first group of ventilation fan in the ventilation system at rear and first group of ventilation fan in the described ventilation system and second group of ventilation fan according to the wind direction flow direction.That is to say that length of the present utility model can comprise the ventilation fan that many groups are connected in series apart from the ventilation installation of dead face, and between interconnective two groups of ventilation fans flexible air duct and hard ventilating tube is set.
As can be seen, length of the present utility model also rationally is connected in series a plurality of blower fans by setting up ventilation fan apart from ventilation system and the ventilation installation of dead face, has utilized fresh wind regime to greatest extent, has reduced useless wind internal circulating load; In use because length and the diameter of light air tube can carry out reasonable change as required, thereby less demanding to matchings such as hard ventilating tube, blower fans, thereby workable, compliance good; In addition, most of by the connection of light air tube between two groups of blower fans, and the segment hard ventilating tube only is set at the second blower fan air intake place, and reduced cost of production, have good practical values and promotional value.
Although above by having described the utility model in conjunction with exemplary embodiment, but those skilled in the art should be clear, under the situation that does not break away from the spirit and scope that claim limits, can carry out various modifications and change to exemplary embodiment of the present utility model.
Claims (7)
1. one kind long ventilation system apart from dead face, described ventilation system is for the work plane of fresh wind being delivered in the tunnel, it is characterized in that, described ventilation system comprises first group of ventilation fan, second group of ventilation fan, flexible air duct and hard ventilating tube, described first group of ventilation fan and second group of ventilation fan arrange along the tunnel depth direction, and the outlet air end of described first group of ventilation fan is connected with flexible air duct, wherein, first group of ventilation fan is arranged on access adit, second group of ventilation fan is arranged in the tunnel, described hard ventilating tube is connected between the air intake of flexible air duct and second group of ventilation fan, described flexible air duct end places in the described hard ventilating tube, and leaves the gap between the outside wall surface of described flexible air duct and the described hard ventilating tube internal face.
2. length according to claim 1 is characterized in that apart from the ventilation system of dead face, and it is 0.5～1m that the flexible air duct of described first group of ventilation fan places the air duct length in the described hard ventilating tube.
3. length according to claim 1 is characterized in that apart from the ventilation system of dead face, and the flexible air duct end of described first ventilation fan is fixed on the internal face of described hard ventilating tube by suspension centre.
4. length according to claim 1 is characterized in that apart from the ventilation system of dead face, and described hard ventilating tube is made by galvanized sheet iron.
5. length according to claim 4 is characterized in that apart from the ventilation system of dead face, and the wall thickness of described hard ventilating tube is 1.5～2mm, and length is 1～1.5m.
6. length according to claim 1 is characterized in that apart from the ventilation system of dead face, and described first group of ventilation fan comprises a ventilation fan or a plurality of ventilation fans that are connected in series; Second group of ventilation fan comprises a ventilation fan or a plurality of ventilation fans that are connected in series.
7. one kind long ventilation installation apart from dead face, it is characterized in that, described ventilation installation comprises be connected in series a plurality of as any described ventilation system among the claim 1-6, and it is in two ventilation systems that are one another in series, identical in the connected mode of the connected mode between second group of ventilation fan of the ventilation system in the place ahead and the first group of ventilation fan in the ventilation system at rear and first group of ventilation fan in the described ventilation system and second group of ventilation fan according to the wind direction flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076818 CN203130137U (en) | 2013-02-19 | 2013-02-19 | Ventilating system and ventilating device of long-distance blind roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076818 CN203130137U (en) | 2013-02-19 | 2013-02-19 | Ventilating system and ventilating device of long-distance blind roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130137U true CN203130137U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320076818 Expired - Lifetime CN203130137U (en) | 2013-02-19 | 2013-02-19 | Ventilating system and ventilating device of long-distance blind roadway |
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| Country | Link |
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| CN (1) | CN203130137U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481570A (en) * | 2014-11-29 | 2015-04-01 | 彝良驰宏矿业有限公司 | Underground blind tunnel ventilation system |
| CN105240298A (en) * | 2015-11-17 | 2016-01-13 | 中国长江三峡集团公司 | Ventilation smoke-dissipation system for underground cavern during construction period and mounting method of ventilation smoke-dissipation system |
| CN105350996A (en) * | 2015-10-26 | 2016-02-24 | 中铁二十局集团有限公司 | Plateau long tunnel multi-dead end ventilation construction method |
| CN106869984A (en) * | 2017-03-02 | 2017-06-20 | 中国矿业大学 | A kind of long distance driving tunnel portable blower series ventilation automatically adjusts protection device |
| CN110130971A (en) * | 2019-06-19 | 2019-08-16 | 湖南城市学院 | A kind of construction ventilation of tunnel device |
| CN113882890A (en) * | 2021-09-30 | 2022-01-04 | 鄂尔多斯市伊化矿业资源有限责任公司 | Long-distance local ventilation device for rapid tunneling of mine working face ultra-long-distance coal roadway |
-
2013
- 2013-02-19 CN CN 201320076818 patent/CN203130137U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481570A (en) * | 2014-11-29 | 2015-04-01 | 彝良驰宏矿业有限公司 | Underground blind tunnel ventilation system |
| CN104481570B (en) * | 2014-11-29 | 2016-09-14 | 彝良驰宏矿业有限公司 | A kind of down-hole dead face ventilating system |
| CN105350996A (en) * | 2015-10-26 | 2016-02-24 | 中铁二十局集团有限公司 | Plateau long tunnel multi-dead end ventilation construction method |
| CN105350996B (en) * | 2015-10-26 | 2017-05-17 | 中铁二十局集团有限公司 | Plateau long tunnel multi-dead end ventilation construction method |
| CN105240298A (en) * | 2015-11-17 | 2016-01-13 | 中国长江三峡集团公司 | Ventilation smoke-dissipation system for underground cavern during construction period and mounting method of ventilation smoke-dissipation system |
| CN105240298B (en) * | 2015-11-17 | 2018-07-20 | 中国长江三峡集团公司 | The ventilation of Cavity Construction phase dissipates cigarette system installation method |
| CN106869984A (en) * | 2017-03-02 | 2017-06-20 | 中国矿业大学 | A kind of long distance driving tunnel portable blower series ventilation automatically adjusts protection device |
| CN106869984B (en) * | 2017-03-02 | 2019-08-27 | 中国矿业大学 | A kind of long distance driving tunnel portable blower series ventilation automatic adjustment protective device |
| CN110130971A (en) * | 2019-06-19 | 2019-08-16 | 湖南城市学院 | A kind of construction ventilation of tunnel device |
| CN113882890A (en) * | 2021-09-30 | 2022-01-04 | 鄂尔多斯市伊化矿业资源有限责任公司 | Long-distance local ventilation device for rapid tunneling of mine working face ultra-long-distance coal roadway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |
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| CX01 | Expiry of patent term |