CN106351694A - Tunnel dust removal method - Google Patents

Tunnel dust removal method Download PDF

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Publication number
CN106351694A
CN106351694A CN201610910907.0A CN201610910907A CN106351694A CN 106351694 A CN106351694 A CN 106351694A CN 201610910907 A CN201610910907 A CN 201610910907A CN 106351694 A CN106351694 A CN 106351694A
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CN
China
Prior art keywords
dust
tunnel
liquid phase
liquid
phase labyrinth
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
Application number
CN201610910907.0A
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Chinese (zh)
Inventor
孙忠强
李晨曦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Science and Technology
Original Assignee
Hebei University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei University of Science and Technology filed Critical Hebei University of Science and Technology
Priority to CN201610910907.0A priority Critical patent/CN106351694A/en
Publication of CN106351694A publication Critical patent/CN106351694A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • E21F5/02Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying

Abstract

The invention relates to the technical field of tunnel dust removal, in particular to a tunnel dust removal method. Dust in a tunnel is treated and collected through dust removal equipment. The method comprises the following steps: 1, performing cleaning operation on the tunnel to clean waste residues in the tunnel; 2, jetting compressed air to the top and the sidewall of the tunnel for secondary dusting; 3, starting the dust removal equipment to treat and collect the dust in the tunnel. Dusty air is sucked by a fresh air machine, and dust in the dusty air is preliminarily adsorbed and filtered through a filter screen, and then is adsorbed and collected through an anion device and a liquid-phase labyrinth to obtain dustless air for exhausting from an exhaust pipe. According to the method, a liquid-phase labyrinth structure is adopted, so that the contact time of the air and liquid is prolonged; in addition, an anion device structure is matched to adsorb particulate matters into the liquid, so that dust removal effects are improved; simple structure, convenience for use and long service life are achieved, the dust and toxic gas are continuously and effectively treated, and the method is widely used for tunnel dust removal in various environments.

Description

A kind of minimizing technology of tunnel dust
Technical field
The present invention relates to tunnel dedusting technology field is and in particular to a kind of minimizing technology of tunnel dust.
Background technology
The structure in tunnel includes main building thing and auxiliary device two parts.Main building thing is made up of barrel and portal, Auxiliary device includes refuge chamber, fire fighting device, emergency communication and guarded drainage facility, and major long tunnel also has special ventilation and illumination Equipment.
Chinese patent publication No. cn202047855u discloses a kind of Tunnel Ventilation System, including being arranged on tunnel inner wall Tunnel ventilation device, tunnel ventilation device includes air-intake device and exhaust apparatus, and air-intake device includes housing, is arranged on housing The screen plate of side and be arranged on blower fan above screen plate, exhaust apparatus include base plate, the top board being connected with base plate and with The arc that top board is connected, base plate, top board and arc surround one for ventilation cavity, described housing connected with cavity. This Tunnel Ventilation System has significant raising than traditional mechanization air vent mode ventilation effect, improves safety coefficient, Decrease noise pollution, energy-conserving and environment-protective.
Chinese patent publication No. cn201963328u discloses a kind of city tunnel design and axial flow blower tilts to install shape The urban tunnel ventilation system of formula, belongs to blower fan and ventilating system field of engineering technology, and including tunnel ventilation well, described tunnel leads to The upper end of ventilating shaft is vertical section, lower end is tilting section, is provided with acoustic filter, is provided with water-proof fan in tilting section in vertical section, The least significant end side of tilting section is relative with the gutter channel opening up in tunnel wall simultaneously connects.This utility model can efficiently solve anti- The problem of rain, noise reduction and beautifying city road surface.
Chinese patent publication No. cn102482943a discloses a kind of ventilating apparatus for tunnels, comprises vehicle pass-through tunnel for purifying Contaminated for tunnel internal air, in the air of interior general tunnel internal, is discharged to the outside by road simultaneously, on tunnel internal ground String multiple water tanks of different sizes are arranged at certain intervals on face, contaminated with what vehicle produced by supplying cold air Hot-air produces convection current so as to the coal smoke of middle heavier-weight and tail gas are absorbed by water tank, and the dusty gass of lighter in weight pass through Chimney is discharged to the outside, and makes tunnel internal air remain pure and fresh, builds comfortable tunnel environment, and occurs in tunnel During fire, fire water can be sprayed and put out a fire.This invention is the Natural Circulation realizing tunnel internal air, by water tank facility The convection phenomena producing and chimney effect combine, and so that contaminated air is naturally drained, this invention was carried out using exhaust fan with the past The mode of ventilation is different, will not produce noise, also will not generate heat, and not have power consumption, can reduce economic loss.
Because tunnel is narrow, improper ventilation, often pile up waste gas, the dust of many, these pollution eyes to human body There is stimulation with respiratory tract, easily induce various inflammation, the lighter's dizziness, headache, severe one will be by permanent damage;And dust Grain also can cause pulmonary disease, so that the health of staff in tunnel is difficult to ensure that.Therefore, seek a kind of respond well control tunnel The method of environment, has become as one of urgent problem during urban road tunnel is built.At present, the ventilation in tunnel is substantially By installing what large-scale aerator was realized, this noise is big, also very poor to long tunnel ventilation effect.Therefore, the present invention A kind of minimizing technology of new tunnel dust is provided, can effectively remove removing and harmful gas and dust, with make up of the prior art not Foot.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of minimizing technology of tunnel dust, by light Photocatalytic active carbon carries out adsorbing, decomposes to dust in tunnel and toxic gas, then processes absorption further through negative ion device Dust, realizes the effective removal to dust in tunnel and harmful gass.
The purpose of the present invention is achieved through the following technical solutions:
A kind of minimizing technology of tunnel dust, is processed by cleaner and collects dust in tunnel, comprise the following steps:
S1. tunnel is carried out with cleaning work, waste residue in cleaning tunnel;
S2. adopt blast injection tunnel top and wall, carry out secondary dirt;
S3. start cleaner, process and collect dust in tunnel;
Described cleaner includes the first filtration system and the second filtration system, and described first filtration system includes fresh air Machine, blast pipe, filter screen, lighting element, described new blower fan is arranged on the air inlet of blast pipe, and described filter screen comprises at least one of which table The carbon fibre web of face carried titanium dioxide, filter screen is arranged in blast pipe, and lighting element is arranged in blast pipe near filter screen Wall;Described second filtration system includes liquid phase labyrinth, and the air inlet in liquid phase labyrinth is connected with air inlet pipe, and gas outlet is with exhaustor even Logical, described liquid phase labyrinth is at least partially submerged in liquid;It is provided with negative ion device on the top of liquid phase labyrinth air inlet, Discharge electrode in negative ion device is connected with the positive pole of power supply, and described liquid phase labyrinth is electric conductor, liquid phase labyrinth and power supply Negative pole connects or/and liquid phase labyrinth is directly grounded;
Dust laden air is sucked by new blower fan, dust laden air is through drainage screen preliminary adsorption filtration dust, then passes through anion Device and liquid phase labyrinth absorptive collection dust, obtain dust-free air, are discharged by exhaustor.
Further, in described step s2, the pressure of compressed air is 0.6-1.5mpa.
Further, the liquid phase labyrinth of described cleaner is formed by multiple horizontally disposed dividing plate interlaced arrangement, at least It is provided with bristle layer in the upstream face of dividing plate;Described dividing plate and bristle layer are used for improving the contact area of dust laden air and liquid, carry The adsorption efficiency of high dust.
Further, the exhaustor of described cleaner is also connected with liquid back pipe, and liquid back pipe is connected with sediment accumulation area, Sediment accumulation area is provided with sloping plate deposition district, and the bottom of sediment accumulation area is provided with scum pipe, and liquid return hole is passed through at the top of slag accumulation area Connect with liquid phase labyrinth;The dust of liquid phase labyrinth absorptive collection, after sloping plate deposition district precipitation, piles up in sediment accumulation area, warp Scum pipe is discharged.
Further, the top in described liquid phase labyrinth is additionally provided with shower nozzle, for spraying and dedusting.
Further, described liquid phase labyrinth is additionally provided with condensing units, and the heat exchanger fin of condensing units is placed in exhaustor, heat exchange Piece is connected with the cold pole of semiconductor chilling plate, and the thermoae of semiconductor chilling plate is connected with water cooling plant, for condensing dust-free air In moisture, it is to avoid tunnel endogenous dampness spends height.
The invention has the beneficial effects as follows: the present invention adopts the carbon fiber of carried titanium dioxide, under illumination condition, has and holds The function of continuous absorption, decomposition dust and toxic gas, thus realize the effective process to dust and toxic gas;Adopt wet simultaneously Formula anion dust arrester, by way of using liquid adsorption, the structure in cooperation liquid phase labyrinth, active adsorption in the air Dust, decreases the adsorbable particle content of interior, further adsorption of dust, and adopts the structure in liquid phase labyrinth, extends Air and the time of contact of liquid, play good dustproof function, compared with of the prior art, the dust removing effects of the present invention More preferably, and energy consumption is low, almost no material consumption, reduce use cost.The structure of cooperation negative ion device, suitable for reading in liquid phase labyrinth So that the particulate matter getting into the air is become positively charged lotus, and liquid phase labyrinth is connected with negative pole or is grounded, such that it is able to preferably will Particulate matter is adsorbed onto in liquid, improves dust removing effects.
Brief description
Fig. 1 is the structure chart of cleaner of the present invention;
In figure, 1- liquid phase labyrinth, 2- filter screen, the new blower fan of 3-, 4- light illuminating unit, 5- negative ion device, 6- dividing plate, 7- bristle Layer, 8- exhaustor, 9- semiconductor chilling plate, 10- water cooling plant, 11- heat exchanger fin, 12- liquid return hole, 13- liquid back pipe, 14- swash plate Settling zone, 15- sediment accumulation area, 16- scum pipe, 17- inlet, 18- shower nozzle.
Specific embodiment
With reference to specific embodiment and gambler, technical scheme is described in further detail, but the protection of the present invention Scope is not limited to described below.
Cleaner used in the present invention, as shown in figure 1, including the first filtration system and the second filtration system,
Described first filtration system includes new blower fan 3, blast pipe, filter screen 2, lighting element 4, and described new blower fan 3 is arranged on The air inlet of blast pipe, filter screen 2 is arranged in blast pipe, and lighting element 4 is arranged on the inwall of blast pipe near filter screen 2;
Described second filtration system includes liquid phase labyrinth 1 and exhaustor 8, and the air inlet in liquid phase labyrinth 1 is connected with air inlet pipe, Gas outlet is connected with exhaustor 8, and described liquid phase labyrinth 1 is at least partially submerged in liquid;In liquid phase labyrinth 1 air inlet Top is provided with negative ion device 5, and the discharge electrode in negative ion device 5 is connected with the positive pole of power supply, and described liquid phase labyrinth 1 is to lead Electric body, liquid phase labyrinth 1 is connected with the negative pole of power supply or/and liquid phase labyrinth 1 is directly grounded;Described exhaustor 8 is with ventilation duct 18 even Logical.
Specifically, described filter screen 2 comprises at least one of which carbon fibre web, described carbon fibre web area load titanium dioxide.
Specifically, described liquid phase labyrinth 1 is formed by multiple horizontally disposed dividing plate 6 interlaced arrangement, at least meeting in dividing plate 6 The water surface is provided with bristle layer 7;Described dividing plate 6 and bristle layer 7 are used for improving the contact area of dust laden air and liquid, improve dust Adsorption efficiency.
Specifically, described exhaustor 8 is also connected with liquid back pipe 13, and liquid back pipe 13 is connected with sediment accumulation area 15, in sediment Accumulation area 15 is provided with sloping plate deposition district 14, and the bottom of sediment accumulation area 15 is provided with scum pipe 16, and the top of sediment accumulation area 15 leads to Cross liquid return hole 12 to connect with liquid phase labyrinth 1;The dust of liquid phase labyrinth 1 absorptive collection, after sloping plate deposition district 14 precipitation, in sediment Accumulation area 15 is piled up, and discharges through scum pipe 16.
Specifically, the top in described liquid phase labyrinth 1 is additionally provided with shower nozzle 19, for spraying and dedusting, improves adsorbing powder dust and collects Efficiency.
Specifically, described liquid phase labyrinth 1 is additionally provided with condensing units, and the heat exchanger fin 11 of condensing units is placed in exhaustor 8, changes Backing 11 is connected with the cold pole of semiconductor chilling plate 9, and the thermoae and water cooling plant 10 of semiconductor chilling plate 9 is connected, for condensing Moisture in dust-free air, it is to avoid tunnel endogenous dampness spends height.
Embodiment 1
A kind of minimizing technology of tunnel dust, is processed by cleaner and collects dust in tunnel, comprise the following steps:
S1. tunnel is carried out with cleaning work, waste residue in cleaning tunnel;
S2. adopt blast injection tunnel top and the wall of 0.6mpa, carry out secondary dirt;
S3. start cleaner, process and collect dust in tunnel;Dust laden air, dust laden air warp are sucked by new blower fan 3 The preliminary adsorption filtration dust of drainage screen 2, then pass through negative ion device 5 and liquid phase labyrinth 1 absorptive collection dust, obtain dustless sky Gas, is discharged by exhaustor 8.
Embodiment 2
A kind of minimizing technology of tunnel dust, is processed by cleaner and collects dust in tunnel, comprise the following steps:
S1. tunnel is carried out with cleaning work, waste residue in cleaning tunnel;
S2. adopt blast injection tunnel top and the wall of 1.5mpa, carry out secondary dirt;
S3 starts cleaner, processes and collects dust in tunnel;Dust laden air, dust laden air warp are sucked by new blower fan 3 The preliminary adsorption filtration dust of drainage screen 2, then pass through negative ion device 5 and liquid phase labyrinth 1 absorptive collection dust, obtain dustless sky Gas, is discharged by exhaustor 8.
Embodiment 3
A kind of minimizing technology of tunnel dust, is processed by cleaner and collects dust in tunnel, comprise the following steps:
S1. tunnel is carried out with cleaning work, waste residue in cleaning tunnel;
S2. adopt blast injection tunnel top and the wall of 0.6mpa, carry out secondary dirt;
S3. start cleaner, process and collect dust in tunnel;Dust laden air, dust laden air warp are sucked by new blower fan 3 The preliminary adsorption filtration dust of drainage screen 2, then pass through negative ion device 5 and liquid phase labyrinth 1 absorptive collection dust, obtain dustless sky Gas, is discharged by exhaustor 8.
The above be only the preferred embodiment of the present invention it should be understood that the present invention be not limited to described herein Form, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and can be at this In the described contemplated scope of literary composition, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered The change of row and change, then all should be in the protection domains of claims of the present invention without departing from the spirit and scope of the present invention Interior.

Claims (6)

1. a kind of tunnel dust minimizing technology it is characterised in that by cleaner process collect tunnel in dust, including with Lower step:
S1. tunnel is carried out with cleaning work, waste residue in cleaning tunnel;
S2. adopt blast injection tunnel top and wall, carry out secondary dirt;
S3. start cleaner, process and collect dust in tunnel;
Described cleaner includes the first filtration system and the second filtration system, and described first filtration system includes new blower fan, enters Airduct, filter screen, lighting element, described new blower fan is arranged on the air inlet of blast pipe, and described filter screen comprises at least one of which surface and bears The carbon fibre web of carrying of titanium dioxide, filter screen is arranged in blast pipe, and lighting element is arranged on the inwall of blast pipe near filter screen;Institute State the second filtration system and include liquid phase labyrinth, the air inlet in liquid phase labyrinth is connected with air inlet pipe, and gas outlet is connected with exhaustor, institute The liquid phase labyrinth stated is at least partially submerged in liquid;Be provided with negative ion device on the top of liquid phase labyrinth air inlet, bear from Discharge electrode in sub-device is connected with the positive pole of power supply, and described liquid phase labyrinth is electric conductor, the negative pole of liquid phase labyrinth and power supply Connect or/and liquid phase labyrinth is directly grounded;
Dust laden air is sucked by new blower fan, dust laden air is through drainage screen preliminary adsorption filtration dust, then passes through negative ion device With liquid phase labyrinth absorptive collection dust, obtain dust-free air, discharged by exhaustor.
2. a kind of minimizing technology of tunnel according to claim 1 dust is it is characterised in that compress empty in described step s2 The pressure of gas is 0.6-1.5mpa.
3. a kind of minimizing technology of tunnel according to claim 1 dust is it is characterised in that the liquid phase of described cleaner Labyrinth is formed by multiple horizontally disposed dividing plate interlaced arrangement, and at least the upstream face in dividing plate is provided with bristle layer;Described dividing plate and Bristle layer is used for improving the contact area of dust laden air and liquid, improves the adsorption efficiency of dust.
4. a kind of minimizing technology of tunnel according to claim 3 dust is it is characterised in that the aerofluxuss of described cleaner Pipe is also connected with liquid back pipe, and liquid back pipe is connected with sediment accumulation area, is provided with sloping plate deposition district, sediment accumulation area in sediment accumulation area Bottom be provided with scum pipe, the top of slag accumulation area is connected with liquid phase labyrinth by liquid return hole;The powder of liquid phase labyrinth absorptive collection Dirt, after sloping plate deposition district precipitation, piles up in sediment accumulation area, goes out through investigation bank of tubes.
5. a kind of minimizing technology of tunnel according to claim 4 dust is it is characterised in that the top in described liquid phase labyrinth It is additionally provided with shower nozzle, for spraying and dedusting.
6. a kind of minimizing technology of tunnel according to claim 5 dust is it is characterised in that described liquid phase labyrinth is additionally provided with Condensing units, the heat exchanger fin of condensing units is placed in exhaustor, and heat exchanger fin is connected with the cold pole of semiconductor chilling plate, quasiconductor system Cold thermoae is connected with water cooling plant, for condensing the moisture in dust-free air, it is to avoid tunnel endogenous dampness spends height.
CN201610910907.0A 2016-10-19 2016-10-19 Tunnel dust removal method Pending CN106351694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610910907.0A CN106351694A (en) 2016-10-19 2016-10-19 Tunnel dust removal method

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Application Number Priority Date Filing Date Title
CN201610910907.0A CN106351694A (en) 2016-10-19 2016-10-19 Tunnel dust removal method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110169302A (en) * 2019-07-02 2019-08-27 苏州工业园区园林绿化工程有限公司 A kind of prevention and control of soil erosion method for arid Gullied
CN110748376A (en) * 2019-12-10 2020-02-04 株洲天桥舜臣选煤机械有限责任公司 Mine dust fall mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445766A1 (en) * 1990-03-08 1991-09-11 2 E, akciová spolecnost Process and device for separation of admixtures from air
CN202191819U (en) * 2011-08-25 2012-04-18 江苏瑞丰科技实业有限公司 Tunnel waste gas purification device integrating dust removal and normal-temperature adsorption
CN203469810U (en) * 2013-06-04 2014-03-12 重庆工商大学 Indoor air purifier
CN203777885U (en) * 2014-04-17 2014-08-20 三峡大学 Wet anion dust collection device
CN204357479U (en) * 2014-12-24 2015-05-27 天津城建隧道股份有限公司 The portable cleaner of a kind of constructing tunnel
CN104998496A (en) * 2014-04-17 2015-10-28 胡勇 Electrostatic water washing dust removing apparatus
CN105804783A (en) * 2014-11-28 2016-07-27 昆明中铁大型养路机械集团有限公司 Tunnel dust removal method
CN105804785A (en) * 2014-11-28 2016-07-27 昆明中铁大型养路机械集团有限公司 Tunnel dust removal vehicle with conveyor belt type sewage collecting cabin and application method of tunnel dust removal vehicle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0445766A1 (en) * 1990-03-08 1991-09-11 2 E, akciová spolecnost Process and device for separation of admixtures from air
CN202191819U (en) * 2011-08-25 2012-04-18 江苏瑞丰科技实业有限公司 Tunnel waste gas purification device integrating dust removal and normal-temperature adsorption
CN203469810U (en) * 2013-06-04 2014-03-12 重庆工商大学 Indoor air purifier
CN203777885U (en) * 2014-04-17 2014-08-20 三峡大学 Wet anion dust collection device
CN104998496A (en) * 2014-04-17 2015-10-28 胡勇 Electrostatic water washing dust removing apparatus
CN105804783A (en) * 2014-11-28 2016-07-27 昆明中铁大型养路机械集团有限公司 Tunnel dust removal method
CN105804785A (en) * 2014-11-28 2016-07-27 昆明中铁大型养路机械集团有限公司 Tunnel dust removal vehicle with conveyor belt type sewage collecting cabin and application method of tunnel dust removal vehicle
CN204357479U (en) * 2014-12-24 2015-05-27 天津城建隧道股份有限公司 The portable cleaner of a kind of constructing tunnel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110169302A (en) * 2019-07-02 2019-08-27 苏州工业园区园林绿化工程有限公司 A kind of prevention and control of soil erosion method for arid Gullied
CN110748376A (en) * 2019-12-10 2020-02-04 株洲天桥舜臣选煤机械有限责任公司 Mine dust fall mechanism

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Application publication date: 20170125