CN1598246A - Fog column dust falling linkage apparatus return airway - Google Patents
Fog column dust falling linkage apparatus return airway Download PDFInfo
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- CN1598246A CN1598246A CN 200410012559 CN200410012559A CN1598246A CN 1598246 A CN1598246 A CN 1598246A CN 200410012559 CN200410012559 CN 200410012559 CN 200410012559 A CN200410012559 A CN 200410012559A CN 1598246 A CN1598246 A CN 1598246A
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Abstract
The invention is a fog pile dust eliminating linkage device for return airway, it can be applied to return airway underground. It is eliminating dust effect, and the nozzle is not apt to be blocked, and it is easy to be cleaned, and automatic control atomization; the invention includes atomization nozzle and automatic control pressure increasing device; the atomization nozzle includes nozzle body, nozzle core body and pressure cover; the nozzle core body is spiral X type, the nozzle core body matches with the nozzle inner aperture, which is blocked with screwed pressure cover; the automatic control device pressure increasing device includes pressure increasing device, control device, sensor and explosion preventing electromagnetic valve; the pressure increasing device includes explosion engine and high pressure pump: the control device includes commutator, relay, contactor, solid relay, instructing lights and buttons; the sensor is fixed on the cable of the electromechanical device, the explosion preventing electromagnetic valve is assembled at front of the water inlet of the high pressure pump.
Description
Technical field
The present invention relates to the mist post device for reducing dust that uses in the machine mining face return airway under a kind of coal mine.
Background technology
Coal-winning machine can produce a large amount of dust during the machine mining face coal mining activity under coal mine, not only pollute working environment, and to staff's the very big harm of healthy generation, and just has the danger of blast when airborne dust content reaches finite concentration.Though external spraying or other measurements for reduction in coal-winning machine is provided with, still have a lot of dust especially fine solid particle (respirable dusts of≤5 μ m) come out with the drift of flowing of the air in the tunnel, these dust are easy to be sucked lung by human body and impair one's health.The colliery was provided with row's nozzle ejection water smoke and forms veil and stop flying away of dust in return airway in the past, but because the nozzle atomization effect is bad, the water fog particle of ejection is thick, dispersion is inhomogeneous, the effect of depositing dust is undesirable, and be easy to produce short grained clogging because the nozzle interior runner is too narrow, cause scrapping owing to can't clear up.In a shift, the coal excavation apparatus of work plane is not all the time in the operation that does not stop, and water curtain is arranged in accordance with regulations apart from work plane 50m place, so the start-stop of veil need be provided with the special messenger and be responsible for, and makes each work teams and groups will increase workman's establishment.
Summary of the invention
The object of the invention overcomes above-mentioned the deficiencies in the prior art exactly, provides that a kind of dust-laying effect is good, nozzle is difficult for stopping up and cleaning easily, the control spraying returns phoenix lane mist post depositing dust linkage automatically.
The present invention returns phoenix lane mist post depositing dust linkage and includes pulverizing nozzle and automatic control device pressure increasing.Pulverizing nozzle includes nozzle body, nozzle core body and gland; The nozzle core body is a spiral X-shaped shape, and nozzle core body and nozzle body endoporus are matched in clearance, with threaded gland block; The gland center is provided with the inlet opening, and the nozzle body front end face is provided with the nozzle spout.Automatic control device pressure increasing includes supercharging device, control device, sensor and explosion-proof solenoid valve; Supercharging device includes fire-proof motor and high-pressure pump; Control device includes rectifier, relay, contactor, solid-state relay, indicator lamp and button; Sensor is connected with power supply by the control device rectifier, and solid-state relay is connected with sensor, and the solid-state relay output is connected with contactor coil with explosion-proof solenoid valve respectively; Can and stop according to the startup of the signal controlling supercharging device of sensor and explosion-proof solenoid valve; Sensor fixes on the cable of electromechanical equipment, has no current to pass through to judge that whether electromechanical equipment working, and testing result is passed to control device with signal by lead in the detection streamer; Explosion-proof solenoid valve is arranged on high-pressure pump water inlet front, plays the water route on-off action.
Sensor adopts mining electromechanical equipment start-stop sensor.High-pressure pump adopts the aqueous medium high-pressure plunger pump.
Nozzle spout place is provided with inside and outside chamfering, and the angle of inside and outside chamfering is 120 °.
Operating principle of the present invention is when coal-winning machine or drag conveyor work, have in the cable electric current (〉=5A) by producing magnetic field, sensor sensing sends current signal behind magnetic field, controller starts atomization mechanism work after receiving signal voluntarily, the pulverizing nozzle ejection water smoke dirt that goes out.When coal-winning machine or conveyer quit work, no current passes through in the cable, and magnetic field disappears, and sensor signal disappears, and controller control atomization mechanism quits work automatically.Machine mining face under coal mine, because produce when the dust of return airway mainly is the coal-face operation and come out with the air drift of flowing, coal-winning machine and drag conveyor must start during coal mining activity, work plane also stopped operation when coal-winning machine and drag conveyor stopped, therefore mist post device for reducing dust and work plane coal excavation apparatus can be realized interlock, thereby realize control automatically.
Apparatus of the present invention are applicable to the return airway of machine mining face under the coal mine, and the fully-mechanized mining equipment interlock with coal-face need not manually-operated.When work plane fully-mechanized mining equipment coal mining activity, can produce a large amount of dust, the less dust of granularity can come out with the mobile drift of air, be located at the mist post device for reducing dust linkage work of return airway, in the certain-length scope in tunnel, forms mist post barrier by one group of nozzle ejection water smoke and will swim under the dust interception purification working environment; When working face equipment stopped operation, the interlock device for reducing dust also quit work automatically, without manually-operated.Nozzle atomization is effective, and the water smoke of ejection is evenly distributed, the tiny effectively sedimentation dust of particle.The relative broad of nozzle interior runner is difficult for being stopped up by granule.The nozzle core body is easy taking-up type, so even nozzle stops up also cleaning easily.
Description of drawings:
Fig. 1 totally is provided with block diagram for the present invention.
Fig. 2 is the atomizing nozzle structure schematic diagram.
Fig. 3 is the structural representation of nozzle core body.
Fig. 4 is a control device schematic diagram of the present invention.
Among the figure: 1, pulverizing nozzle, 2, high-pressure pump, 3, fire-proof motor, 4, sensor, 5, power supply, 6, control device, 7, explosion-proof solenoid valve, 8, the water source, 9, water filter, 10, the return aircourse, 11, nozzle body, 12, the nozzle core body, 13, gland, 14, the nozzle spout;
SB1-start button, SB2-stop button, SSR-solid-state relay, S-sensor, J-explosion-proof solenoid valve, KM1-contactor, KM2-relay, FR-earth leakage protective device, R1, R2-indicator lamp.
The specific embodiment
Water source 8 is connected the water inlet of supercharging device, with delivery port that is connected supercharging device of high-voltage tube, the other end is connected on the conduit of pulverizing nozzle 1, nozzle 1 is installed in suitable position, 10 tops, return aircourse, sensor 4 fixings are connected itself and control device 6 on the cable of detected equipment and with multicore cable, the power supply 5 of connecting control device 6 is in interlock spraying supercharging device and treats duty, and sensor 4 is in the testing state.When the working face equipment coal mining activity, detect working signal and pass to control device 6 by sensor 4, automatically open explosion-proof solenoid valve 7, start supercharging device work, eject water smoke by nozzle 1 and in return aircourse 10, form the dust that swims that the water smoke post stops and sedimentation is flowed and flown away out with air by work plane.
The nozzle body 11 usefulness stainless steel materials of pulverizing nozzle 1 are made, nozzle core body 12 and gland 13 usefulness brass materials are made, for guaranteeing the quality of nozzle, nozzle core body 12 usefulness line cutting technologies process, between nozzle core body 12 and the nozzle body 11 is matched in clearance, take out easily, cleaning was convenient when pulverizing nozzle 1 took place to stop up.Nozzle core body 12 is critical components of pulverizing nozzle 1 quality, and its shape and structure design is main to be considered atomization and avoid obstruction, so adopt twin-feed spiral X-shaped shape.Press water enters inclination (becoming 40 ° with the horizon angle) flow passage that pulverizing nozzle 1 back forms along nozzle core body 12, rotation is turned back and is returned to form rotational flow behind the edge, the transverse velocity of water jet is strengthened, eject back atomizing evenly, good dispersion degree, water smoke be trickle, and be very favourable to the sedimentation dust.And nozzle core body 12 runners of this shape are the twices of nozzle spout 14 diameters at its lateral dimension of stenosis, so pulverizing nozzle 1 is difficult for producing inner clogging, the instant obstruction also taken out nozzle core body 12 easily and cleared up.
Supercharging device is that fire-proof motor 3 drives high-pressure pump 2 generation water under high pressures.Control device 6 provides dc source for sensor 4 and receives its signal, according to the startup of the signal controlling supercharging device of sensor 4 and explosion-proof solenoid valve 7 with stop.
10 tops are provided with a fog discharge nozzle 1 in the return aircourse, eject droplet water smoke injection tiny, that be evenly distributed along tunnel 10 and form mist post barrier with under the dust interception in the tunnel 10 of certain-length, reach the purpose that purifies air.With good conditionsily can utilize mine dead weight water (water pressure is not less than 1.5Mpa), unconditional needs are set up supercharging device and are produced press water for spraying.Water pressure is high more, and the atomized water that ejects is trickle more.At the water inlet place reliability that strainer is guaranteed nozzle operation is set.
Sensor 4 is connected with power supply by the rectifier in the control device, and solid-state relay SSR is connected with sensor 4, and solid-state relay SSR output is connected with the coil of explosion-proof solenoid valve 7 with contactor KM1 respectively; Can and stop according to the startup of the signal controlling supercharging device of sensor 4 and explosion-proof solenoid valve 7; Sensor 4 fixes on the cable of electromechanical equipment, has no current to pass through to judge that whether electromechanical equipment working, and testing result is passed to control device with signal by lead in the detection streamer; Explosion-proof solenoid valve 7 is arranged on the water inlet front of high-pressure pump 2, plays the water route on-off action.
Claims (4)
1, a kind of time phoenix lane mist post depositing dust linkage is characterized in that including pulverizing nozzle and automatic control device pressure increasing; Pulverizing nozzle includes nozzle body, nozzle core body and gland; The nozzle core body is a spiral X-shaped shape, and nozzle core body and nozzle body endoporus are matched in clearance, with threaded gland block; The gland center is provided with the inlet opening, and the nozzle body front end face is provided with the nozzle spout.Automatic control device pressure increasing includes supercharging device, control device, sensor and explosion-proof solenoid valve; Supercharging device includes fire-proof motor and high-pressure pump; Control device includes rectifier, relay, contactor, solid-state relay, indicator lamp and button; Sensor is connected with power supply by the control device rectifier, and solid-state relay is connected with sensor, and the solid-state relay output is connected with contactor coil with explosion-proof solenoid valve respectively; Sensor fixes on the cable of electromechanical equipment, and explosion-proof solenoid valve is arranged on high-pressure pump water inlet front.
2, fog column dust-falling linkage of ventilation roadway as claimed in claim 1 is characterized in that sensor adopts mining electromechanical equipment start-stop sensor.
3, fog column dust-falling linkage of ventilation roadway as claimed in claim 1 is characterized in that high-pressure pump adopts the aqueous medium high-pressure plunger pump.
4, fog column dust-falling linkage of ventilation roadway as claimed in claim 1 is characterized in that nozzle spout place is provided with inside and outside chamfering, and the angle of inside and outside chamfering is 120 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012559 CN1280525C (en) | 2004-09-27 | 2004-09-27 | Fog column dust falling linkage apparatus return airway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410012559 CN1280525C (en) | 2004-09-27 | 2004-09-27 | Fog column dust falling linkage apparatus return airway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598246A true CN1598246A (en) | 2005-03-23 |
| CN1280525C CN1280525C (en) | 2006-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410012559 Expired - Fee Related CN1280525C (en) | 2004-09-27 | 2004-09-27 | Fog column dust falling linkage apparatus return airway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1280525C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693675B (en) * | 2005-06-06 | 2010-07-28 | 杨光良 | Full automatic coal mine gas prewarning explosion-proof system |
| CN102383797A (en) * | 2011-07-13 | 2012-03-21 | 湖南科技大学 | External blocking preventing nozzle |
| CN103422881A (en) * | 2013-08-16 | 2013-12-04 | 安徽理工大学 | Intelligent mining atomization dust settling device |
| CN104153806A (en) * | 2014-07-17 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Dust suppression device |
| CN104343463A (en) * | 2014-11-28 | 2015-02-11 | 太原理工大学 | Spray dust settling method for automatic flow adjustment in underground coal mine |
| CN104594939A (en) * | 2014-12-05 | 2015-05-06 | 徐州大屯工贸实业公司 | Mining intelligent secondary negative pressure spraying dust-settling device |
| CN105756699A (en) * | 2016-04-20 | 2016-07-13 | 孟钧 | Drive dust catching and purifying device |
| CN108331607A (en) * | 2018-03-23 | 2018-07-27 | 中国矿业大学 | A kind of mine ventilation depositing dust automatic control device |
| CN111894651A (en) * | 2020-09-04 | 2020-11-06 | 辽宁工程技术大学 | Automatic explosion-proof water curtain device with dust falling function for mine |
-
2004
- 2004-09-27 CN CN 200410012559 patent/CN1280525C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693675B (en) * | 2005-06-06 | 2010-07-28 | 杨光良 | Full automatic coal mine gas prewarning explosion-proof system |
| CN102383797A (en) * | 2011-07-13 | 2012-03-21 | 湖南科技大学 | External blocking preventing nozzle |
| CN102383797B (en) * | 2011-07-13 | 2015-02-25 | 湖南科技大学 | External blocking preventing nozzle |
| CN103422881A (en) * | 2013-08-16 | 2013-12-04 | 安徽理工大学 | Intelligent mining atomization dust settling device |
| CN104153806A (en) * | 2014-07-17 | 2014-11-19 | 山西晋城无烟煤矿业集团有限责任公司 | Dust suppression device |
| CN104343463A (en) * | 2014-11-28 | 2015-02-11 | 太原理工大学 | Spray dust settling method for automatic flow adjustment in underground coal mine |
| CN104594939A (en) * | 2014-12-05 | 2015-05-06 | 徐州大屯工贸实业公司 | Mining intelligent secondary negative pressure spraying dust-settling device |
| CN105756699A (en) * | 2016-04-20 | 2016-07-13 | 孟钧 | Drive dust catching and purifying device |
| CN108331607A (en) * | 2018-03-23 | 2018-07-27 | 中国矿业大学 | A kind of mine ventilation depositing dust automatic control device |
| CN108331607B (en) * | 2018-03-23 | 2024-01-16 | 中国矿业大学 | Mine ventilation dust fall automatic control device |
| CN111894651A (en) * | 2020-09-04 | 2020-11-06 | 辽宁工程技术大学 | Automatic explosion-proof water curtain device with dust falling function for mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1280525C (en) | 2006-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Maoming Petrochemical Mining Industry Co., Ltd. Assignor: Taiyuan University of Technology Contract fulfillment period: 2007.7.16 to 2012.7.16 contract change Contract record no.: 2009440001733 Denomination of invention: Fog column dust falling linkage apparatus return airway Granted publication date: 20061018 License type: Exclusive license Record date: 20091026 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.7.16 TO 2012.7.16; CHANGE OF CONTRACT Name of requester: MAOMING PETROCHEMICAL MINE CO., LTD. Effective date: 20091026 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061018 Termination date: 20120927 |