CN213928420U - Tunnel spray dust removal device - Google Patents

Abstract

The utility model discloses a tunnel spray dust removal device, which comprises a booster pump, a spraying device, a water tank, a pipeline connected with the booster pump, the water tank and the spraying device, and a mobile device, wherein the spraying device is arranged on the mobile device, the spraying device comprises an atomizing dust removal spray head, the atomizing dust removal spray head can atomize compressed air and water flow and then spray out to form a three-dimensional water curtain, and the water curtain range formed by the atomizing dust removal spray head covers the whole tunnel section; the atomizing dust removal shower nozzle has the swing subassembly, the swing subassembly includes swing track, swinging arms and connector, the pipeline passes through the connector with the track to be connected, the swinging arms is connected with the connector, the swinging arms drives the atomizing dust removal shower nozzle with certain speed horizontal hunting and follows vertical horizontal hunting according to certain speed. A large amount of micronic dust in the tunnel can be caught fast to the water curtain that the atomizing formed, and behind the micronic dust was caught to the drop of water granule, the dead weight increased, the initiation subsides to detach the micronic dust in the tunnel.

Description

Tunnel spray dust removal device

Technical Field

The utility model relates to a tunnel dust spray collector.

Background

The drilling and blasting method, namely a method for excavating rocks by drilling, charging and blasting, is a common method for tunneling tunnels, after blasting by the drilling and blasting method, a large amount of blast fumes containing fine particles and harmful gases can be generated, and constructors can enter into construction only by reducing the particles and the harmful gases to reasonable levels, and ventilation and smoke exhaust are very difficult along with the deepening of the tunnel, so that the efficiency of ventilation and smoke exhaust also influences the tunneling speed of the tunnel.

The common ventilation and dust removal method is to use a high-power ventilator and a large-diameter ventilation pipe to perform press-in ventilation, and the ventilation pipe is usually hung on a vault. General tunnel bores and explodes out the sediment and uses the trackless to slag tap, bores the dust particle that explodes the method production and subsides the back and adhere to the surface, and car, the machinery that the trackless transportation adopted can produce a large amount of raise dusts, and the forced ventilation also can blow up in a large amount of particles that adhere to the surface in ventilation, has further aggravated the degree of difficulty of ventilation dust removal in the tunnel.

Disclosure of Invention

The utility model aims at solving the problem that a large amount of micronic dust that the tunnel adopted the drilling and blasting method to tunnel in-process production is difficult to detach through ventilation system to a portable tunnel dust collector is provided.

Therefore, the utility model provides a tunnel spray dust removal device, including booster pump, atomizer, water tank, the pipeline and the mobile device that are connected with booster pump, water tank and atomizer, the atomizer is installed on the mobile device, the atomizer includes the atomizing dust removal shower nozzle, the atomizing dust removal shower nozzle can be spouted after compressed air and rivers atomize, form three-dimensional water curtain, the water curtain scope that the atomizing dust removal shower nozzle formed covers whole tunnel section; the atomizing dust removal shower nozzle has the swing subassembly, the swing subassembly includes swing track, swinging arms and connector, the pipeline passes through the connector with the track to be connected, the swinging arms is connected with the connector, the swinging arms drives the atomizing dust removal shower nozzle with certain speed horizontal hunting and follows vertical horizontal hunting according to certain speed.

Furthermore, the pipeline and the tee joint connected with the pipeline and the atomizing and dust removing spray head adopt quick splicing pipelines, and the pipeline and the atomizing and dust removing spray head can be rapidly assembled and disassembled through the quick splicing pipelines.

Furthermore, the spraying device comprises a control regulating valve, and the control regulating valve can control the size of water drop particles formed by the atomizing and dust removing spray head and the coverage range of the water curtain.

Furthermore, the tunnel spray dust removal device is provided with a plurality of groups of spray dust removal nozzles distributed at equal intervals.

Obviously, the tunnel spray dust removal device further comprises a motor or a power device such as a diesel engine or a gasoline engine for driving.

The technical effects of the utility model are that:

(1) the atomizing water curtain capable of covering the whole tunnel section is formed in the tunnel, fine water droplet particles in the water curtain capture floating fine particles in the air, the dead weight of the fine water droplet particles is increased, the fine water droplet particles are settled, and part of harmful gas is dissolved in the water droplet particles, so that the micro dust which is generated by the drilling and blasting method and is difficult to remove through the conventional ventilation means is quickly removed.

(2) The water curtain can realize the effect of humidification, can reach the moisture with tunnel sediment stone surface, avoids the ventilation to roll up the micronic dust on sediment stone and tunnel surface, and can not spray too much and arouse gathering and muddy of rivers, influence the operation.

(3) The cross-sectional cage cover of whole tunnel is realized to ascending atomizing dust removal shower nozzle through controlling opposite direction setting, has avoided ordinary atomizing dust remover to rely on artifical or mechanical to sweep the dead angle that appears, through the setting of multiunit atomizing dust removal shower nozzle and rotatory nozzle's adoption, forms intensive, even, the water curtain of width broad by fine drop of water granule constitution, and the removal through mobile device is detached the micronic dust fast, and its dust collection efficiency is far higher than ordinary atomizing dust remover.

(4) The setting is along vertical wobbling atomizing dust removal shower nozzle, through the vertical wobbling of atomizing dust removal shower nozzle to realize that the water curtain has avoided the dead angle to the sectional cage cover of whole tunnel, through the setting of multiunit atomizing dust removal shower nozzle and rotatory nozzle's adoption, form comparatively even, the water curtain of width broad by fine drop of water granule constitution.

(5) The atomizing and dust removing spray head which swings or rotates along the horizontal direction is arranged, the atomizing and dust removing spray head is upwards distributed and faces the horizontal direction, and the longitudinal horizontal rotation or the swing of the atomizing and dust removing spray head realizes a large-scale water curtain and quickly removes micro-dust.

(6) The pipeline and the tee joint adopt a pipeline rapid splicing system, and can be rapidly adapted to tunnels with different sizes.

Drawings

Fig. 1 is a schematic view of a tunnel spray dust removal device in embodiment 1.

FIG. 2 is a schematic view of an upward and horizontal orientation atomizing and dedusting nozzle of example 1.

FIG. 3 is a schematic view of the spraying of multiple groups of atomizing and dedusting spray heads in example 1.

FIG. 4 is a schematic view of an atomizing dust-removing apparatus in embodiment 2.

Fig. 5 is an enlarged schematic view of the connecting head in embodiment 2.

Fig. 6 is a schematic view of a tunnel spray dust removal device in embodiment 3.

FIG. 7 is a schematic view of a rotary atomizing dedusting nozzle in accordance with example 3.

FIG. 8 is a schematic view of an upward and horizontal orientation atomizing and dedusting nozzle of example 3.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, the embodiment 1 of the utility model provides a tunnel spray dust collector, including atomizer 100, booster pump 2, water tank 3, pipeline 4 and the mobile device 5 of being connected with booster pump 2, water tank 3 and atomizer 100, atomizer 100 installs on mobile device 5, and atomizer 100 includes respectively towards several atomizing dust removal spray nozzle 101 of mobile device both sides, and atomizing dust removal spray nozzle 100 level sets up, and atomizing dust removal spray nozzle 101 distributes from the tunnel top down along the direction of height, atomizing dust removal spray nozzle 101 can spout behind compressed air and the rivers atomizing, forms three-dimensional water curtain, and the water curtain spouts from the atomizing dust removal spray nozzle who distributes down along the tunnel top to under the action of gravity, the whole tunnel section of cage cover, the micronic dust in the tunnel is detached gradually to the removal section through mobile device 5.

The tunnel spray dust removal device has the defects that firstly, the heights of the tops of different tunnels are not completely the same, and the atomizing dust removal nozzles distributed downwards along the top of the tunnel cannot adapt to tunnels with various heights, and the improvement scheme is that the tunnel spray dust removal device also comprises a plurality of atomizing dust removal nozzles 101 distributed along the horizontal direction, wherein the atomizing dust removal nozzles are upwards arranged, the atomizing dust removal nozzles spray upwards, atomized water droplet particles form an annular water curtain under the action of gravity, so that the problem of adapting to tunnels with different heights is solved; another improvement is that the pipeline 4 and the tee 102 connected to the pipeline 4 and the atomizing and dust-removing nozzle 101 are a universal quick pipeline splicing system, and the pipeline 4 and the atomizing and dust-removing nozzle 101 can be quickly disassembled and assembled through the universal quick pipeline splicing system, for example, the quick pipeline splicing technology described in publication numbers CN210319009U and 209856529U or other existing quick pipeline splicing technologies, which are not described herein again. Secondly, the water curtain that forms is comparatively single thin, and the atomizing drop of water granule distributes inhomogeneously in the air, influences the efficiency of removing dust, and one approach of solving is to add multiunit foretell atomizing dust removal shower nozzle (refer to shown in figure 3), forms the water curtain wall that thickness reaches several meters, can promote the efficiency of removing dust, perhaps adopts rotatory shower nozzle, makes the drop of water granule distribution in the air more even.

In the above embodiment, the spraying device 100 includes the control regulating valve 103, and the control regulating valve 103 can control the size of the water droplets formed by the atomizing and dust-removing nozzle and the coverage of the water curtain.

Referring to fig. 4 and 5, in embodiment 2, the atomizing and dust-removing nozzle 101 can swing longitudinally left and right through the swing assembly 600, the swing assembly 600 includes a swing rail 601, a swing rod 602, a connector 603, the pipe 4 is connected to the rail through the connector 603, the swing rod 602 is connected to the connector 603, the swing rod 602 swings left and right at a certain speed to drive the atomizing and dust-removing nozzle 101 to swing longitudinally left and right at a certain speed, the atomized water curtain sprayed from the atomizing and dust-removing nozzle 101 can cover the section of the tunnel by swinging, the swing rod can be driven by a mechanical device, and the tunnel can be removed dust section by moving through the moving device 5. Similarly, in embodiment 2, a plurality of groups of swingable atomizing and dedusting nozzles can be adopted to form a wider water curtain wall, and the rotating nozzles are adopted to uniformly distribute water droplet particles.

Of course, in the above embodiment, the atomizing and dust-removing nozzle 101 may also adopt other existing swinging techniques.

Referring to fig. 6, compared with embodiment 2, in embodiment 3, a plurality of atomizing and dust-removing nozzles 101 are installed on a support 7, the atomizing and dust-removing nozzles 101 are installed upward, the support 7 can swing along a horizontal direction at a certain speed, or referring to fig. 7, the plurality of atomizing and dust-removing nozzles 101 are installed on a pipeline 4, the pipeline 4 is fixed on the support 7, the support 7 can rotate along the horizontal direction, the support 7 can be driven by a mechanical device to swing through a connecting rod or rotate through a shaft, the atomizing and dust-removing nozzles 101 and the pipeline 4 can adopt a quick splicing system to adapt to tunnels with different widths, and the atomizing and dust-removing nozzles 101 spray atomized water curtain to cover a space in a certain range in the tunnels through rotation or swing.

In the above embodiment, referring to fig. 8, the atomizing and dust removing device further includes a horizontally oriented atomizing and dust removing nozzle, so as to increase the action range of the atomizing and dust removing nozzle, and make the water droplet particles in the air more dense and uniform.

In the above embodiments 1 to 3, the atomizing and dust-removing nozzles 101 are distributed at equal intervals, so that the water bead particles in the air can be distributed more uniformly.

Obviously, the above embodiment further includes an electric motor electrically connected to the booster pump, the moving device, and the spraying device, and driving the booster pump, the moving device, and the spraying device, but it may also be other existing power devices including diesel engines.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. The utility model provides a tunnel spray dust collector, includes booster pump, atomizer, water tank, the pipeline and the mobile device be connected with booster pump, water tank and atomizer, atomizer installs on the mobile device, characterized by: the spraying device comprises an atomizing and dust removing spray head, the atomizing and dust removing spray head can atomize compressed air and water flow and spray the atomized air and water flow out to form a three-dimensional water curtain, and the range of the water curtain formed by the atomizing and dust removing spray head covers the whole tunnel section;

the atomizing dust removal shower nozzle has the swing subassembly, the swing subassembly includes swing track, swinging arms and connector, the pipeline passes through the connector with the track to be connected, the swinging arms is connected with the connector, the swinging arms drives the atomizing dust removal shower nozzle with certain speed horizontal hunting and follows vertical horizontal hunting according to certain speed.

2. The tunnel spray dust removal device of claim 1, wherein: the pipeline reaches the tee bend that links to each other with pipeline, atomizing dust removal shower nozzle and adopts quick concatenation pipeline, pipeline and atomizing dust removal shower nozzle can be loaded and unloaded fast through quick concatenation pipeline.

3. The tunnel spray dust removal device of claim 1 or 2, wherein: the spraying device comprises a control regulating valve, and the control regulating valve can control the size of water drop particles formed by the atomizing and dust removing spray head and the coverage of the water curtain.

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