CN100585190C - Automatic dispelling device for local gas of mine - Google Patents
Automatic dispelling device for local gas of mine Download PDFInfo
- Publication number
- CN100585190C CN100585190C CN200610040463A CN200610040463A CN100585190C CN 100585190 C CN100585190 C CN 100585190C CN 200610040463 A CN200610040463 A CN 200610040463A CN 200610040463 A CN200610040463 A CN 200610040463A CN 100585190 C CN100585190 C CN 100585190C
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- impeller
- mine
- driven
- vane wheel
- supporting frame
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Abstract
The automatic local gas dispelling device for mine consists of a drive vane wheel driven with the ventilation airflow, a transmission unit and a driven vane wheel. The transmission unit is set between the drive vane wheel and the driven vane wheel; and the drive vane wheel and the driven vane wheel are set on the support frame through bearings. Under the drive of the mine ventilation airflow, the present invention produces vertical airflow from bottom to top to sweep the maybe gas accumulation and to form radial dispersing airflow, so as to avoid gas accumulation. The gas is exhausted through the return airflow without need of additional power source.
Description
Technical field
The present invention relates to a kind of automatical local gas dispelling device for mine, what be particularly useful for that the local gas in coal-face upper corner zone gathers disperses.
Background technique
At U type ventilation coal-face upper corner, owing to the phenomenon of methane accumulation, serious threat Safety of Coal Mine Production very easily appear in the bad and gas of the local ventilation reason such as concentrated of gushing out.In the process of administering upper corner methane accumulation, once caused a lot of serious accidents because of the operation technique equipment is improper.For this reason, all pay much attention to the research and development of the technical equipment of coal-face upper corner methane accumulation both at home and abroad.Existing technical equipment mainly contains following two kinds:
1) no-spark type mining partial ventilator.DV pneumatic booster of series and the double dynamical booster of EST series wind-powered electricity generation as Germany; WLP pneumatic booster of series of Poland and the double dynamical booster of WLEP series wind-powered electricity generation etc.Wherein, the double dynamical blower fan of wind-powered electricity generation adopts electric drive at ordinary times, is driven by pressure wind during power failure, to avoid causing gas accident because of power failure causes the blower fan stall.Also there are similar products in China, FDQD-18.5 type mining multifunctional booster as the development of branch of Chongqing coal section, also can adopt the wind-powered electricity generation dual power source, its improvements are that wind motor is connected with impeller by clutch, being connected voluntarily between wind motor and impeller disconnects when adopting electric drive, reduced the driving resistance of motor.Motor is taked the flame proof measure, to realize the no cremate of power source.Friction is cremated and static spark is then avoided by the material of selecting suitable impeller or interior cover.
2) pulsation type ventilator for local parts.There are two classes can produce the distinguished and admirable booster of pulse at present.One class can produce the distinguished and admirable booster of DC pulse for Russia's development, adopts and presses wind or the rotation of electric drive impeller, replaces opening and closing by two opposite exhaust outlets of air-out direction, and it is distinguished and admirable to obtain DC pulse; Another kind of by the distinguished and admirable pulsation type ventilator for local parts of produced bispin pulse for China's development, the employing pressure emulsified liquid is a power source, by fluid motor-driven draught fan impeller and body rotation, produce the distinguished and admirable gas that dispels of dual rotary pulse, its patent No. is: 99114265.9.Compare with DC pulse is distinguished and admirable, the dual rotary pulse is distinguished and admirable to have higher EFFECTIVE RANGE and diffusion strength.The blade employing of pulse blower fan is antistatic, flame retardant material avoids friction to cremate and static spark.
More than all kinds of blower fans all have special motor apparatus, by electric power, press wind or pressure emulsified liquid to drive.Owing to adopt electric drive, under mine, use just to exist potential safety hazard, motor must take the flame proof measure to guarantee the no-spark performance of power source.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of simple in structure, safe and reliable, easy to use, need not power-actuated automatical local gas dispelling device for mine.
Technological scheme: a kind of automatical local gas dispelling device for mine of the present invention, comprise active impeller, transmission device and driven impeller that ventilating air drives, described active impeller vertically is located in the supporting frame, and an angle of supporting frame is provided with the removable curved baffle of the usefulness of keeping out the wind; Transmission device constitutes, is located in the interlayer on supporting frame top by four gears and two gear shafts; The outside of driven impeller is provided with protective frame, and the impeller protective frame is located at the top of supporting frame.
Described active impeller and driven impeller are made by antistatic, the fire-retardant engineering plastics of avoiding producing friction spark and static spark.
Beneficial effect: a kind of automatical local gas dispelling device for mine of the present invention is best suited for dispersing that the local gas in coal-face upper corner zone gathers.Utilize the down-hole ventilating air as power source, directly adopt ventilating air to drive, do not need other additional power source, safe and reliable, easy to use, Economy is high; What driven impeller produced the zone of methane accumulation may occur perpendicular to the distinguished and admirable direct purging of back, and form the distribution jet radially disperse along top board, can effectively prevent gas gathering under back, it is simple in structure, safe and reliable, easy to use, effect is direct, action range is big, has practicability widely.
Description of drawings
Fig. 1 is an automatical local gas dispelling device for mine structural representation of the present invention.
Fig. 2 is an initiatively impeller plan view of automatical local gas dispelling device for mine of the present invention.。
Fig. 3 is the driven impeller plan view of automatical local gas dispelling device for mine of the present invention.
Embodiment
Below in conjunction with accompanying drawing one embodiment of the present of invention are further described:
A kind of automatical local gas dispelling device for mine of the present invention, active impeller 1 by the ventilating air driving, driven impeller 2, transmission device 3 constitutes, initiatively impeller 1 adopts vertical centrifugal formula impeller, and it vertically is located in the supporting frame 6, and an angle of supporting frame 6 is provided with the removable curved baffle 7 of the usefulness of keeping out the wind, to improve the initiatively rotating property of impeller 1, can making initiatively by the position of adjusting removable curved baffle 7, impeller 1 is in best rotation status.Transmission device 3 is located at supporting frame top, form by four gears and two gear shafts, the transmission shaft of impeller 1 is as main drive shaft in the transmission device 3, the transmission shaft of driven impeller 2 is as driven shaft, transmission device 3 is fixed in the interlayer on supporting frame 6 tops by bearing 5, by the speedup transmission of tertiary gear, make the wind-force of driven impeller 2 reach optimum efficiency.The outside of driven impeller 2 is provided with protective frame 4, and impeller protective frame 4 is located at the top of supporting frame 6, and protective frame 4 not only plays a protective role, and plays auxiliary driven impeller 2 and produce vertically distinguished and admirable based on axially.By changing the kind of drive of transmission device 3, can change the rotating speed of the relative position of driven impeller 2 and impeller 1 initiatively and driven impeller 2 and turn to.For obtaining best effect, initiatively impeller 1 should be tried one's best near the high wind speed district in tunnel, driven impeller 2 be positioned at the zone that methane accumulation may occur under.Initiatively impeller 1 and driven impeller 2 adopt antistatic, fire-retardant engineering plastics manufacturing, can not produce friction spark and static spark in the running, and whole device belongs to essential safe type.
Utilize the down-hole ventilating air to be power source, initiatively impeller 1 is located at the coal-face upper corner, be arranged in ventilating air, because the distortion of blade self, wind is dredged the uneven distribution of intensity and the barrier effect of curved baffle 7, initiatively impeller 1 is asymmetric because of bearing, come from distinguished and admirable active force and produce rotation, initiatively impeller 1 drives driven impeller 2 rotations by transmission device 3, generation based on axially distinguished and admirable perpendicular to back, blow to the zone that methane accumulation may occur, and form radially divergence expression distribution jet along top board, prevent that gas from gathering in the back bottom, at active impeller 1, under the acting in conjunction of driven impeller 2 and ventilating air, gas is entered return.
Claims (2)
1. automatical local gas dispelling device for mine, comprise active impeller (1), transmission device (3) and driven impeller (2) that ventilating air drives, it is characterized in that: described active impeller (1) vertically is located in the supporting frame (6), and an angle of supporting frame (6) is provided with the removable curved baffle (7) of the usefulness of keeping out the wind; Transmission device (3) constitutes, is located in the interlayer on supporting frame (6) top by four gears and two gear shafts; The outside of driven impeller (2) is provided with protective frame (4), and impeller protective frame (4) is located at the top of supporting frame (6).
2. automatical local gas dispelling device for mine according to claim 1 is characterized in that: described active impeller (1) and driven impeller (2) are made by antistatic, the fire-retardant engineering plastics of avoiding producing friction spark and static spark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610040463A CN100585190C (en) | 2006-05-13 | 2006-05-13 | Automatic dispelling device for local gas of mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610040463A CN100585190C (en) | 2006-05-13 | 2006-05-13 | Automatic dispelling device for local gas of mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1847665A CN1847665A (en) | 2006-10-18 |
| CN100585190C true CN100585190C (en) | 2010-01-27 |
Family
ID=37077352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610040463A Expired - Fee Related CN100585190C (en) | 2006-05-13 | 2006-05-13 | Automatic dispelling device for local gas of mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100585190C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362832B (en) * | 2013-07-30 | 2016-01-20 | 傅中良 | Based on shaft sump water source aerosol environmental protection and energy saving explosion-proof fan |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116105U (en) * | 1992-03-26 | 1992-09-16 | 权世华 | Pneumatic machine |
| CN2191305Y (en) * | 1993-12-10 | 1995-03-08 | 侴乔力 | Pneumatic fan |
| US5411379A (en) * | 1993-08-10 | 1995-05-02 | Luo; A-Fa | Pneumatic fan |
| CN2198550Y (en) * | 1994-08-13 | 1995-05-24 | 赖佑铭 | Base of turbine air exhausting machine |
| CN2205876Y (en) * | 1994-04-27 | 1995-08-23 | 周永庭 | Pneumatic water pump for gallery |
| GB2293414A (en) * | 1994-09-22 | 1996-03-27 | Lai Yu Ming | Wind-driven ventilating fan |
| DE20306909U1 (en) * | 2003-05-02 | 2004-08-05 | Heser, Juliane | Wind-driven ventilator for chimneys or other outgoing air and/or exhaust gas lines, pipes, shafts, etc. comprises a rotor shaft extending over the entire height of a rotor element |
-
2006
- 2006-05-13 CN CN200610040463A patent/CN100585190C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2116105U (en) * | 1992-03-26 | 1992-09-16 | 权世华 | Pneumatic machine |
| US5411379A (en) * | 1993-08-10 | 1995-05-02 | Luo; A-Fa | Pneumatic fan |
| CN2191305Y (en) * | 1993-12-10 | 1995-03-08 | 侴乔力 | Pneumatic fan |
| CN2205876Y (en) * | 1994-04-27 | 1995-08-23 | 周永庭 | Pneumatic water pump for gallery |
| CN2198550Y (en) * | 1994-08-13 | 1995-05-24 | 赖佑铭 | Base of turbine air exhausting machine |
| GB2293414A (en) * | 1994-09-22 | 1996-03-27 | Lai Yu Ming | Wind-driven ventilating fan |
| DE20306909U1 (en) * | 2003-05-02 | 2004-08-05 | Heser, Juliane | Wind-driven ventilator for chimneys or other outgoing air and/or exhaust gas lines, pipes, shafts, etc. comprises a rotor shaft extending over the entire height of a rotor element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1847665A (en) | 2006-10-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100127 Termination date: 20150513 |
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| EXPY | Termination of patent right or utility model |