CN205477717U - Tunnel dust collector - Google Patents
Tunnel dust collector Download PDFInfo
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- CN205477717U CN205477717U CN201620225403.0U CN201620225403U CN205477717U CN 205477717 U CN205477717 U CN 205477717U CN 201620225403 U CN201620225403 U CN 201620225403U CN 205477717 U CN205477717 U CN 205477717U
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- dust
- tunnel
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Abstract
The utility model discloses a tunnel dust collector installs and removes dust in being used for the tunnel on the bracing of two lining platform trucks, in prismatic insulating casing, along insulating casing's axial direction arrange the corona discharge electrode at the vertical album dirt utmost point of arranging, insulating casing's lower part is provided with the ash bucket. It is electrified by the dust through static, extremely collect the dust at album dirt, adsorb and collect through the ash bucket again at album dust of the dirt utmost point, and then carry out the control of certain degree to the construction dust in tunnel from the source. The utility model discloses dust collector can fix on the two lining platform trucks in tunnel, and the main part forms a large amount of ion and free electron through the ionization puncture air, has made on the original medium -sized dust lane negative electricity, and under the electric field action, the dust particle of negative electrification moves to the positive pole, adsorbs at last at an album dirt utmost point. The utility model discloses compact structure, the function singleness, the installation is removed conveniently, and the function is simple reliable, and the cost is lower.
Description
Technical field
This utility model relates to the technical field of the construction ventilation of tunnel of civil engineering, is particularly applied to the dedusting technology during constructing tunnel.
Background technology
During constructing tunnel, in order to ensure the requirement of visibility in the healthy and tunnel of workman in tunnel, need to carry out construction ventilation, and for during tunnel excavation, the preventing and treating of dust airborne dust, during the constructing tunnel of China the most incomplete, traditional ventilation dust-settling technology be only limited to ventilate, it is ensured that the problem of the oxygen-supplying amount of workmen in tunnel, but in terms of depositing dust, it is only limited to the methods such as water under high pressure spray dust, although play certain effect, but be subject to certain restrictions.China has become tunnel seat number and the most country of total kilometrage, and drilling and blasting method is the technology of main application, can produce substantial amounts of free silicon dioxide dust in drill bursting construction, the long-term dust that sucks easily causes the systemic disease pneumoconiosis becoming master with lung tissue Diffuse fibrous sexually transmitted disease (STD).
By the difference of dust prevention and control mechanism, substantially prophylactico-therapeutic measures can be divided into subtract, drop, arrange, except and resistance 5 classes.(1) dirt is subtracted: i.e. in face spray water, wet brill, wet shot and waterinfusion blasting；(2) depositing dust: i.e. transporting equipment gatehead and transfer point spray or watering, spraying water curtain purify air, spray foam depositing dust and in water with addition of wetting agent；(3) dust discharge: use blower ventilation, choose optimal wind speed and dust-separation heavy curtain, mechanical seal cover, return airway air door etc. are set；(4) dedusting: include filtration dust catcher, dry type dust extractor and wet scrubber etc.；(5) resistance dirt: i.e. wear dust cap, anti-dust respirator etc..In real work, the means of prevention of constructing tunnel dust is based on tunnel ventilation dust discharge.
In order to seek the dedusting method of a kind of more effective tunnel dedusting method this utility model analogy factory chimney, from the source of dust, use electrostatic means depositing dust, in contrast to traditional dust-settling technology, it is contemplated that can well be applied.
Utility model content
The purpose of this utility model is to provide a kind of and effectively reduces the device of Dust Capacity in tunnel, thus realize in the work progress in tunnel, the concentration of a certain degree of control dust from source, uses the mode of Electrostatic Absorption dedusting, is arranged on by dust arrester on the diagonal brace of two lining chassis.This device has good dedusting effect, feature easy for installation.
This utility model is to be realized by following means: a kind of tunnel dust arrester, is arranged on dedusting in tunnel on the diagonal brace of two lining chassis, and in prismatic insulation crust 1, the axial direction along insulation crust arranges corona discharge electrode 3；Vertically arranging dust collecting electrode 2, the bottom of insulation crust is provided with ash bucket 4.
Further, before and after insulation crust 1, port is provided with the insulation grid 5 for fixing corona discharge electrode 2 and dust collecting electrode 3.
Further, near the front port 6 of insulation crust 1, draft fan 7 it is provided with.
So, in prismatic insulation crust, the axial direction along insulation crust arranges corona discharge electrode 3；Vertically arranging dust collecting electrode 2, see Fig. 3 by fixed insulation grid 5(), dust collecting electrode 2 and corona discharge electrode 3 are fixed, effect be to play and extraneous insulating effect, the employee of preventing and treating tunnel internal gets an electric shock, it is ensured that the system within electrostatic precipitator does not comes in contact with the steelframe of shaped steel.Core system within cleaner unit is corona discharge electrode and dust collecting electrode.Corona discharge electrode and dust collecting electrode are fixed by fixed insulation grid 5, are connected with the both positive and negative polarity of power supply by electric wire.Reconnect earth lead.Ash bucket 4 is set under cleaner unit in order to collect dust.Design fan 7 at air inlet 6 and gas is carried out water conservancy diversion.The gas without dust of crystallization is discharged bolt and insulation crust aspect by air outlet 8 and is also carried out the process of insulation.
Employing this utility model has the advantage that
1) it is installed on the position of the diagonal brace of two lining chassis, takes full advantage of the space that tunnel internal is limited.Can also move freely with moving of tunnel double-lining chassis when position is moved.
2) being analogous in factory the dedusting structure used, carried out being directed to the improvement of tunnel ad hoc structure, because in chimney, corona discharge electrode can be arranged on chimney center, and frequently passes in and out owing to needing vehicle crew in tunnel, it is clear that is irrational.Therefore the dust cleaning case using insulation crust protection is placed in the position of two lining chassis.Because the operation that Dust Capacity is maximum in construction is for slagging tap and the whitewashing stage, and the two stage, typically have vehicle parking below two lining chassis, and be now arranged on the cleaner unit on diagonal brace, being combined with the water conservancy diversion of fan at air intake vent, air-flow can pass through from two devices ventilated.
3) using electrostatic precipitator, relative to technical measures such as watering and lowering dusts, reliability is higher.And the personnel that need not operate, simple and easy to do.
4) have employed the mode of electrostatic precipitation, run noise little.
Accompanying drawing explanation
Fig. 1 is the front view (after removing air inlet) of this utility model cleaner unit.
Fig. 2 is the top view of this utility model cleaner unit.
Fig. 3 is the 3-D view (containing stationary grizzly) of this utility model cleaner unit.
Fig. 4 is the 3-D view (without stationary grizzly) of this utility model cleaner unit.
The fundamental diagram of Fig. 5 this utility model cleaner unit.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model method is described in further detail.
As shown in Figure 1, electrostatic precipitator is fixedly mounted on the two lining chassis in tunnel by fixing bolt, can move along with moving of chassis, the most flexible, owing to installing electrostatic precipitator in the diagonal brace position of chassis, it is not take up new space, only space in effectively make use of tunnel.Being the structure of irregular regular prism, the diagonal brace that can fill in chassis is reinforced.Reinforce and use bolt fixed installation, electric power then connection construction electricity consumption, in order to ensure safety, fan is set at air inlet air outlet, while playing guiding wind direction effect, be possible to prevent human contact to arrive corona discharge electrode and dust collecting electrode.
As seen from Figure 4, figure only depicts the structure of the cleaner unit in left side, under the parcel of insulation crust 1, total is filled in the diagonal brace part of two lining chassis, is fixed.The corona discharge electrode 3 arranged along the axial direction in tunnel and the dust collecting electrode 2 vertically arranged.For preferably fixing corona discharge electrode and the dust collecting electrode vertically arranged, Fig. 3 can be seen by installing fixed insulation grid 5(), dust collecting electrode and corona discharge electrode to be fixed, connects power supply, corona discharge electrode connects the positive pole of power supply, and dust collecting electrode connects the negative pole of power supply.The other end of power supply all connects earth lead and ensures safety.From the side view of Fig. 2 it can be seen that the air inlet 6 of dust arrester and the layout of air outlet 8.Air inlet 6 goes out to install fan 7, and fan is covered with whole air inlet and plays the effect of water conservancy diversion, and as the protection device of an auxiliary.
Embodiment described here is to aid in reader understanding's principle of the present utility model, it should be understood that the protection domain of utility model is not limited to such special statement and embodiment.Every make various possible equivalent or change according to foregoing description, be all considered to belong to scope of the claims of the present utility model.
Claims (3)
1. a tunnel dust arrester, is arranged on dedusting in tunnel on the diagonal brace of two lining chassis, it is characterised in that in prismatic insulation crust (1), and the axial direction along insulation crust arranges corona discharge electrode (3)；Vertically arranging dust collecting electrode (2), the bottom of insulation crust is provided with ash bucket (4).
Tunnel the most according to claim 1 dust arrester, it is characterised in that port is provided with the insulation grid (5) for fixing corona discharge electrode (3) and dust collecting electrode (2) before and after insulation crust (1).
Tunnel the most according to claim 1 dust arrester, it is characterised in that be provided with draft fan (7) near the front port (6) of insulation crust (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225403.0U CN205477717U (en) | 2016-03-23 | 2016-03-23 | Tunnel dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620225403.0U CN205477717U (en) | 2016-03-23 | 2016-03-23 | Tunnel dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477717U true CN205477717U (en) | 2016-08-17 |
Family
ID=56652149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620225403.0U Expired - Fee Related CN205477717U (en) | 2016-03-23 | 2016-03-23 | Tunnel dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626135A (en) * | 2016-03-23 | 2016-06-01 | 西南交通大学 | Tunnel dust removal device |
-
2016
- 2016-03-23 CN CN201620225403.0U patent/CN205477717U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626135A (en) * | 2016-03-23 | 2016-06-01 | 西南交通大学 | Tunnel dust removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160817 Termination date: 20190323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |