CN2806767Y - Intelligent partial ventilating system for mine - Google Patents

Intelligent partial ventilating system for mine Download PDF

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Publication number
CN2806767Y
CN2806767Y CN 200520049800 CN200520049800U CN2806767Y CN 2806767 Y CN2806767 Y CN 2806767Y CN 200520049800 CN200520049800 CN 200520049800 CN 200520049800 U CN200520049800 U CN 200520049800U CN 2806767 Y CN2806767 Y CN 2806767Y
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China
Prior art keywords
air
mine
ventilation fan
air duct
controlling device
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Expired - Lifetime
Application number
CN 200520049800
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Chinese (zh)
Inventor
贺秋冬
李坤
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Ping An Electric Co Ltd
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Xiangtan Ping An Electrical Group Co Ltd
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Priority to CN 200520049800 priority Critical patent/CN2806767Y/en
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Abstract

The utility model relates to an intelligent partial ventilating system for a mine, which mainly solves the technical problems that the existing ventilating system has high energy consumption, large space occupation of equipment without intelligent control, etc. The utility model has the technical scheme that a switch control device connected with a power supply is matched and connected with an explosion-proof frequency-changing device via electric wires or cables, the control output end of the switch control device is matched and connected with a ventilator via the electric wires or the cables, and the air outlet end of the ventilator is matched and sheathed with an air cylinder. The outer space of the air cylinder can be freely provided with a gas sensor, the gas sensor is connected with an underground substation of a safety monitoring system via the electric wires or the cables, and the underground substation of a safety monitoring system is connected with the explosion-proof frequency-changing device via the electric wires or the cables. The switch control device can be matched and provided with an electric gas closing lock. The utility model has the characteristics of high air pressure, long distance, large air quantity, double power supplies, double blower fans, automatic regulation of air quantity according to requirements, etc., and the requirement of the safe ventilation of the long-distance speedy drivage of a high-yield and high-efficiency mine can be reliably realized. The utility model is mainly used for the partial ventilation of the mine.

Description

The mine intelligent local ventilation system
Technical field
The utility model relates to a kind of local ventilation system that is used for mine.
Background technology
At present, the ventilation fan that the local ventilation of China's coal-mine down-hole is adopted is single-stage or twin-stage, wherein twin-stage is divided into the convection rotary type of homodromal common twin-stage and reverse rotation, the efficient of convection rotary type ventilation fan, air supplying distance are more much higher than common twin-stage, therefore, much need the tunnel of long distance air-supply to adopt the convection rotary type ventilation fan.But under many circumstances, driving face only needs air supplying distance long, to the demand of air quantity and little, though adopted the convection rotary type ventilation fan to increase air supplying distance, but still have and need under a lot of situations just can achieve the goal by strengthening plane No..Plane No. is brought a lot of adverse consequences after increasing: the one, and it is more than needed that air quantity is had, waste electric power; The 2nd, increased the difficulty of ventilation fan in the down-hole carrying; The 3rd, requirement increases the diameter of air duct, and the expense of air duct is increased greatly; The 4th, tunnel, air duct place useful cross section is reduced, the resistance of main ventilation system is increased, increase the power consumption of main fan, return the pedestrian in this tunnel, the current difficulty that causes of haulage vehicle.
By the clear and definite regulation of the 158th in China's " safety regulations in coal mine ": coal road, half coal rock tunnel of the mine of mine safety monitoring system is not installed and the driving face of the rock gangway that gas gushes out is arranged, must equipment methane fan stoppage breaker or methane monitor breaker and fan stoppage breaker.Do not equip the stone drifting work plane that the no gas of mine safety monitoring system is gushed out, must the equipment fan stoppage breaker.When shutting down, local ventilation fan can cut off all power supplys in the ventilation fan air feed tunnel immediately.To fulfill this requirement, the driving face of current use opposite-rotary axial flow type booster adopts outside connection of 3 above monomer-type flame proof magnetic starters or BQZ type explosion-isolated vacuum electromagnetic starter to realize lock between air and electricity and gas electric locking.This control formal cause uses 3 above starters, exists the waste of potential safety hazard and equipment.There is defective in the defencive function of starter itself in addition, and major loop does not have reserve protection, and the duty of motor and electrical network parameter can not show, can not realize that central computer controls the allotment of carrying out blast, air quantity.
Summary of the invention
But the purpose of this utility model provides a kind of Based Intelligent Control, is used for the mine intelligent local ventilation system of mine local ventilation.
The technical scheme that its technical problem that solves the utility model adopts is: the switch controlling device 7 that connects power supply 9 cooperates by electric wire or cable and connects explosion-proof frequency converter 6, the control output end of switch controlling device 7 cooperates by electric wire or cable and connects ventilation fan 5, and the air opening end of ventilation fan 5 cooperates suit air duct 1.
The utility model can be installed firedamp sensor 2 in the space outerpace optional position of air duct 1, and firedamp sensor 2 connects safety monitoring system underground substation 3 by electric wire or cable, and safety monitoring system underground substation 3 is taken over control quick-fried frequency converter 6 by electric wire or cable.Also can on switch controlling device 7, cooperate gas electric locking 8 or lock between air and electricity are installed.The electric interfaces of lock between air and electricity and gas electric locking 8 can be set on the described explosion-proof frequency converter 6, and the frequency conversion scope of employing is 0-50HZ.
Described ventilation fan 5 can adopt multistage to revolving ventilation fan or multistage explosion suppression disrotatory axial-flow type booster.Described switch controlling device 7 adopts the intelligent vacuum electromagnetic starter of the special-purpose flame-proof type of opposite-rotary axial flow type booster, and inserts the dual power supply 9 that can automatically switch.Described air duct 1 can adopt the cylindrical shell of being made by Polyester Fibers.
The utility model also can cooperate suit to divide wind apparatus 4 automatically at the air intake of air duct 1, dividing each air intake end of wind apparatus 4 that ventilation fan 5 is installed respectively automatically, and matching with the air opening end of ventilation fan 5.
The beneficial effects of the utility model are: it can produce single-stage, the inaccessible high blast of couple-stage axial-flow fans, has the ability of long distance, big air quantity air-supply; And, can bear the high blast that common air duct can not bear by adopting the supporting special-purpose air duct of novel high-strength material; Switch controlling device 7 is by adopting the intelligent vacuum electromagnetic starter of the special-purpose flame-proof type of opposite-rotary axial flow type booster, makes it can insert dual power supply and gives two blower fans (job, standby) power supply, guarantees that driving face can continuous air feed; It is by the firedamp sensor 2 that match connect of setting with the safety monitoring system underground substation 3 of mine, thereby can realize automatic or manual adjusting wind supply quantity by explosion-proof frequency converter 6, reach air feed as required, reach and guarantee that gas density does not transfinite and energy-conservation double effects.Therefore, the utlity model has high blast, long distance, big air quantity, dual power supply, two blower fan, air quantity and characteristics such as can regulate as required automatically, can realize the demand of high-yield and high-efficiency mine length reliably apart from the speedy drivage ventilation safety.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model.
Among the figure: 1. air duct, 2. firedamp sensor, 3. the safety monitoring system underground substation 4. divides wind apparatus automatically, and is 5. multistage to revolving ventilation fan, 6. explosion-proof frequency converter, 7. switch controlling device, 8. gas electric locking, 9. power supply, 10. tunnel, 11. return airways, 12. heading ends.
The specific embodiment
Embodiment 1, switch controlling device 7 of the present utility model, explosion-proof frequency converter 6, switch controlling device 7 and ventilation fan 5 are installed in the tunnel 10, air duct 1 air opening end of suit of matching with the air opening end of ventilation fan 5 gos deep into the inner of the heading end 12 in tunnel, the switch controlling device 7 that connects power supply 9 cooperates by electric wire or cable and connects explosion-proof frequency converter 6, the control output end of switch controlling device 7 cooperates by electric wire or cable and connects ventilation fan 5, when ventilation fan 5 work, fresh air in the tunnel 10 by ventilation fan 5 in air duct 1 is transported to heading end 12, after forming air pressure, the gas in the heading end 12 can be discharged from the less return airway 11 of air pressure naturally.Consult Fig. 1.
Embodiment 2, all firedamp sensor 2 can be installed in the space outerpace optional position of air duct 1, and firedamp sensor 2 connects safety monitoring system underground substation 3 by electric wire or cable, and safety monitoring system underground substation 3 is taken over control quick-fried frequency converter 6 by electric wire or cable.It is by the firedamp sensor 2 that match connect of setting with the safety monitoring system underground substation 3 of mine, thereby can realize automatic or manual adjusting wind supply quantity by explosion-proof frequency converter 6, reach air feed as required, reach and guarantee that gas density does not transfinite and energy-conservation double effects.All the other together
Embodiment 1, consults Fig. 1.
Embodiment 3, and the utility model also can cooperate on switch controlling device 7 installs gas electric locking 8, make switch controlling device 7 can receive the gas control signal that safety monitoring system underground substation 3 transmits by gas electric locking 8 is installed, thereby realize Based Intelligent Control.All the other consult Fig. 1 with above-mentioned embodiment.
Embodiment 4, the utility model also can cooperate suit to divide wind apparatus 4 automatically at the air intake of air duct 1, by automatic minute wind apparatus 4 is set, and dividing each air intake end of wind apparatus 4 that ventilation fan 5 is installed respectively automatically, each divides the air intake end of wind apparatus 4 to match with the air opening end of each ventilation fan 5 respectively automatically, can realize a plurality of ventilation fan parallel connections like this, to strengthen ventilation effect.All the other consult Fig. 1 with above-mentioned embodiment.
Embodiment 5, and ventilation fan 5 of the present utility model can adopt multistage to revolving ventilation fan or multistage explosion suppression disrotatory axial-flow type booster.It has increased the progression of impeller under the prerequisite that keeps existing two-stage to the advantage of revolving ventilation fan, the pressure coefficient of ventilation fan is improved.Adopt multistagely, can not increase air quantity more than needed, not increase blower fan and air duct diameter, not reduce under the prerequisite of tunnel useful area, increase air supplying distance supination.All the other consult Fig. 1 and Fig. 2 with above-mentioned embodiment.
Embodiment 6, and switch controlling device 7 of the present utility model adopts the intelligent vacuum electromagnetic starter of the special-purpose flame-proof type of opposite-rotary axial flow type booster; The intelligent vacuum electromagnetic starter of the special-purpose flame-proof type of described opposite-rotary axial flow type booster can insert dual power supply and automatically switch; Can control two blower fans; And interface is arranged, thereby have lock between air and electricity function, gas electric locking function with the fire damp supervising device.Its complete property is strong, interchangeability good, stable performance, complete, easy to maintenance, the intelligent degree height of protection, can be used to control and protect the motor of opposite-rotary axial flow type booster.It only adopts a starter just can solve control, protection, on-line monitoring and lock between air and electricity thereof and the gas electric locking of counter-rotating fan.And can utilize the prior art condition to realize following function: complete Chinese liquid crystal Chinese character shows; Pull-down menu is set; Have multiple function and protectings such as overcurrent, short circuit, under-voltage, the phase failure, electric leakage, overvoltage, insulating monitoring, three-phase imbalance; Real-time current, voltage show, the electric energy metrical function; Fault inquiry, fault memory function.All the other consult Fig. 1 with above-mentioned embodiment.
Embodiment 7, and air duct 1 of the present utility model can adopt by Polyester Fibers and make the special-purpose air duct of opposite-rotary axial flow type booster high strength.Because of past coal mine booster is little because of power, blast is low, and peak power is 28kW, and is low to the requirement of strength of air duct; But in recent years along with the construction of large-scale modernized mine, require the air supplying distance of booster more and more longer, air quantity requires increasing, and is more and more higher to the requirement of strength of air duct, and air duct intensity does not originally satisfy requirement at all.Air duct therefore of the present utility model adopts to be made by polyester fiber, elongation per unit length is several times as much as glass fiber during fracture, molecular structure is very stable, possess good physics and chemistry and mechanical performance, its tensile strength and fracture elongation surpass common iron and steel, and have excellent ageing-resistant and rub resistance folding resistance energy.All the other consult Fig. 1 and table 1 with above-mentioned embodiment.
The comparison of table 1, the special-purpose air duct of high strength and traditional air duct
The contrast project Special-purpose air duct The tradition air duct The benefit of special-purpose air duct
Material H is made into base cloth, and surfacing adopts unique poly power film Glass fiber base cloth, rubber or frosting film Environmental protection, high-strength
Proportion Be equivalent to 1/2 of traditional product Proportion is big, finished product is heavy Install, carry lighter
Intensity Surpass iron and steel Low-intensity Longer service life
Anti-flammability Good Good Guarantee safety
Antistatic Sheet resistance is low and permanent stable Sheet resistance is higher and unstable Antistatic property is stable, and is safe and reliable
Weatherability It is good that anti-high and low-temp changes performance Wen Bianke causes quick aging Using not limited by temperature
Pliability Easily folding, no folding line Stiffening Hundred foldings are not useless
Toxic No dust, non-stimulated smell Penetrating odor is dense, and dust is big, and the broken foam of glass can cause skin and disturb and itch It is much cleaner not influence the healthy working environment of employee, cleaning
The surface Any surface finish Surfaces of tacky Pile easily, environmentally-friendly sanitary, windage be little
Abrasion resistance Good Good Long service life
Technology content Modification technology, high in technological content With low content of technology, easily produce Every performance is more secure
Processing and fabricating Supporting glue special is arranged, and technology is simple, easily install, cost is low Need to sew up, operation is numerous and diverse more Processing is quick, cost is low
Use and maintenance Also can repair during normal the use For a short time difficult repairing of breaking also Easily repair
Embodiment 8, and the electric interfaces of lock between air and electricity and gas electric locking 8 is set on the explosion-proof frequency converter 6 of the present utility model, and the frequency conversion scope of employing is 0-50HZ.By the electric interfaces of lock between air and electricity and gas electric locking 8 is set, and connect lock between air and electricity and gas electric locking respectively on explosion-proof frequency converter 6, thereby can when gas exceeding limit, can drop into wind speed or the natural wind state of presetting automatically by the utility model.When the gas density of down-hole driving face changed, the automatic and manual adjustments rotation speed of fan of energy was regulated wind supply quantity, reaches purpose of energy saving.When this device broke down, blower fan can automatically switch to power frequency, moved under maximum speed, can also realize lock between air and electricity by control electrical source of power switch.When reducing, regulate rotation speed of fan automatically, reduce wind supply quantity, reduce the blower fan input power, reach purpose of energy saving as required airflow when the down-hole driving face; Simultaneously, air-flow is to the impact of air duct, the application life of improving air duct greatly in the time of can reducing the booster startup; In addition, motor starting does not have dash current, and starting current is less than 1.2 times of rated current.All the other are with above-mentioned
Embodiment consults Fig. 1.

Claims (9)

1, a kind of mine intelligent local ventilation system, it is characterized in that: the switch controlling device (7) that connects power supply (9) cooperates by electric wire or cable and connects explosion-proof frequency converter (6), the control output end of switch controlling device (7) cooperates by electric wire or cable and connects ventilation fan (5), and the air opening end of ventilation fan (5) cooperates suit air duct (1).
2, mine intelligent local ventilation system according to claim 1, it is characterized in that: firedamp sensor (2) is installed in the space outerpace optional position at air duct (1), firedamp sensor (2) connects safety monitoring system underground substation (3) by electric wire or cable, and safety monitoring system underground substation (3) is taken over control quick-fried frequency converter (6) by electric wire or cable.
3, mine intelligent local ventilation system according to claim 1 is characterized in that: go up to cooperate at switch controlling device (7) gas electric locking (8) is installed.
4, mine intelligent local ventilation system according to claim 1 is characterized in that: go up to cooperate at switch controlling device (7) lock between air and electricity is installed.
5, mine intelligent local ventilation system according to claim 1 is characterized in that: the electric interfaces of lock between air and electricity and gas electric locking (8) is set on the described explosion-proof frequency converter (6), and the frequency conversion scope of employing is 0-50HZ.
6, mine intelligent local ventilation system according to claim 1 is characterized in that: ventilation fan (5) adopts multistage to revolving ventilation fan or multistage explosion suppression disrotatory axial-flow type booster.
7, mine intelligent local ventilation system according to claim 1 is characterized in that: described switch controlling device (7) adopts the intelligent vacuum electromagnetic starter of the special-purpose flame-proof type of opposite-rotary axial flow type booster, and inserts the dual power supply (9) that can automatically switch.
8, mine intelligent local ventilation system according to claim 1 is characterized in that: described air duct (1) adopts the cylindrical shell of being made by Polyester Fibers.
9, according to claim 1,2,3,4,5,6,7 or 8 described mine intelligent local ventilation systems, it is characterized in that: the air intake at air duct (1) cooperates suit to divide wind apparatus (4) automatically, automatically dividing each air intake end of wind apparatus (4) that ventilation fan (5) is installed respectively, and matching with the air opening end of ventilation fan (5).
CN 200520049800 2005-04-14 2005-04-14 Intelligent partial ventilating system for mine Expired - Lifetime CN2806767Y (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864981A (en) * 2010-05-21 2010-10-20 中国矿业大学 Local cooling method and cooling fan for mine
CN102247738A (en) * 2011-07-28 2011-11-23 苏州康毅工业设备有限公司 Gas filtration system
CN102418544A (en) * 2011-10-28 2012-04-18 山西晋城无烟煤矿业集团有限责任公司 Gas control and dust fall method for overlapped section of air barrels in excavation roadway
CN102425442A (en) * 2011-11-10 2012-04-25 辽宁工程技术大学 Variable-frequency regulation ventilation system and method for coal mining area
CN101713297B (en) * 2009-09-04 2012-05-30 中国矿业大学(北京) Method and equipment for suppressing gas from multiple continuous explosions
CN102536295A (en) * 2010-12-24 2012-07-04 山西潞安环保能源开发股份有限公司 Intelligent local ventilation system
CN103410557A (en) * 2013-08-31 2013-11-27 山西潞安环保能源开发股份有限公司常村煤矿 Single and low-air-permeability coal bed gas control method
CN103591041A (en) * 2013-11-30 2014-02-19 南阳防爆集团股份有限公司 Intelligent coal mine local ventilation system
CN104975857A (en) * 2015-05-21 2015-10-14 中国矿业大学(北京) Full well work area section non-pillar goaf-side-drift-free coal mining method
CN102373941B (en) * 2011-11-22 2016-12-14 平安电气股份有限公司 Mining dual-power dual-fan ventilation system
CN109958474A (en) * 2019-03-18 2019-07-02 天地（常州）自动化股份有限公司 Driving face in coal mine local ventilation intelligent control method and ventilated control system
CN110878705A (en) * 2019-11-29 2020-03-13 南京工业职业技术学院 Combine and dig quick-witted attaches wall dryer and suspended structure thereof
CN114151122A (en) * 2021-11-26 2022-03-08 西安重装韩城煤矿机械有限公司 Mining intelligent local ventilation system
CN114151123A (en) * 2021-11-26 2022-03-08 西安重装韩城煤矿机械有限公司 Intelligent monitoring system for local ventilator of coal mine

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101713297B (en) * 2009-09-04 2012-05-30 中国矿业大学(北京) Method and equipment for suppressing gas from multiple continuous explosions
CN101864981B (en) * 2010-05-21 2012-04-04 中国矿业大学 Local cooling method and cooling fan for mine
CN101864981A (en) * 2010-05-21 2010-10-20 中国矿业大学 Local cooling method and cooling fan for mine
CN102536295A (en) * 2010-12-24 2012-07-04 山西潞安环保能源开发股份有限公司 Intelligent local ventilation system
CN102536295B (en) * 2010-12-24 2014-04-02 山西潞安环保能源开发股份有限公司 Intelligent local ventilation system
CN102247738A (en) * 2011-07-28 2011-11-23 苏州康毅工业设备有限公司 Gas filtration system
CN102418544A (en) * 2011-10-28 2012-04-18 山西晋城无烟煤矿业集团有限责任公司 Gas control and dust fall method for overlapped section of air barrels in excavation roadway
CN102425442A (en) * 2011-11-10 2012-04-25 辽宁工程技术大学 Variable-frequency regulation ventilation system and method for coal mining area
CN102373941B (en) * 2011-11-22 2016-12-14 平安电气股份有限公司 Mining dual-power dual-fan ventilation system
CN103410557B (en) * 2013-08-31 2015-10-28 山西潞安环保能源开发股份有限公司常村煤矿 Single, low air permeability coal seam mash gas harnessing method
CN103410557A (en) * 2013-08-31 2013-11-27 山西潞安环保能源开发股份有限公司常村煤矿 Single and low-air-permeability coal bed gas control method
CN103591041A (en) * 2013-11-30 2014-02-19 南阳防爆集团股份有限公司 Intelligent coal mine local ventilation system
CN103591041B (en) * 2013-11-30 2016-06-08 南阳防爆集团股份有限公司 Intelligent coal mine local ventilation system
CN104975857A (en) * 2015-05-21 2015-10-14 中国矿业大学(北京) Full well work area section non-pillar goaf-side-drift-free coal mining method
CN109958474A (en) * 2019-03-18 2019-07-02 天地（常州）自动化股份有限公司 Driving face in coal mine local ventilation intelligent control method and ventilated control system
CN110878705A (en) * 2019-11-29 2020-03-13 南京工业职业技术学院 Combine and dig quick-witted attaches wall dryer and suspended structure thereof
CN110878705B (en) * 2019-11-29 2021-01-29 南京工业职业技术学院 Combine and dig quick-witted attaches wall dryer and suspended structure thereof
CN114151122A (en) * 2021-11-26 2022-03-08 西安重装韩城煤矿机械有限公司 Mining intelligent local ventilation system
CN114151123A (en) * 2021-11-26 2022-03-08 西安重装韩城煤矿机械有限公司 Intelligent monitoring system for local ventilator of coal mine

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Effective date of registration: 20090109

Address after: No. 12, Ping'an Road, Jintang Bay, Yuhu District, Hunan, Xiangtan Province: 411100

Patentee after: Xiangtan Pingan Electric Co., Ltd.

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Address after: 411100 Xiangtan, Lake District, Jintang Bay, Ping An Road, No. 12

Patentee after: Ping'an Electric Co., Ltd.

Address before: 411100 Xiangtan, Lake District, Jintang Bay, Ping An Road, No. 12

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Expiration termination date: 20150414

Granted publication date: 20060816