Directed spraying device for reducing dust
Technical field
The utility model relates to a kind of atomizing de-dusting apparatus, particularly relates to one for stockyard, the directed spraying device for reducing dust of the ore of harbour or coal handling.
Background technology
In recent years, along with the improvement of China to atmospheric environment PM2.5 concentration, each company is to environmental protection pay attention to day by day, especially has the company of the ore of close residential block or coal stockyard, harbour.
Special due to transportation inevitably produces a large amount of dust in the cargo handling process of ore or coal, adds the uncertain of upwind, can will cause large-area pollution to surrounding environment.In the situation that being subject to the restriction of handling facilities mounting condition, for the airborne dust of the handling of the ore under uncertain wind direction or coal fixes a point to administer, therefore need a kind of under the working environment of various wind speed, wind direction under equal effective directed spraying device for reducing dust of depositing dust, the airborne dust of targeted elimination pollution sources, to guarantee that the pollution of dust is dropped to minimum.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of directed spraying device for reducing dust can directed spraying polluting to reduce dust.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of directed spraying device for reducing dust, comprise spraying machine, water pump pipeline and electric control box, it is characterized in that: described spraying machine comprises frame, base and blower fan, described frame is fixed on described base and can be on described base and the perpendicular horizontal left-right rotation of axle of base, described blower fan is articulated with the top of described frame and can rotates up and down around the hinge on itself and frame top, described water pump pipeline comprises a water tank, connection water tank bottom, one end other end is connected to the outlet pipe of spraying machine, and be positioned at the spraying water pump on outlet pipe, described outlet pipe is provided with magnetic valve, the switching of magnetic valve and the motion of described frame and blower fan described in described electric control box control.
Preferably, for the pressure that makes outlet conduit more strengthens, one pressure pipeline is connected on the outlet pipe at two ends of spraying water pump, and described magnetic valve is located on the outlet pipe in the water outlet direction of pressure pipeline and outlet pipe link, and described pressure pipeline is provided with an overflow valve.
Preferably, described water pump pipeline also comprises an overflow pipe, and described overflow pipe is connected in the top of described water tank, and high water level switch, low-water level switch and alarm water level switch are housed respectively on described water tank.
In order to make the spraying work of described spraying machine more accurate, described electric control box comprises the gantry crane sensor of a motion for detection of gantry crane.
For described blower fan is moved up and down, in described frame, be fixed with an electric pushrod, the output of described electric pushrod is fixedly connected with described blower fan to be had one end of spout and drives described blower fan to rotate up and down around the hinged hinge of itself and frame.
Bottom one side of described frame is fixed with a reducing motor, the position of described reducing motor and described between centers every, on the output shaft of this reducing motor, be fixed with a sprocket wheel along with described output shaft coaxial rotation, described sprocket wheel is positioned at the top of the described base in bottom of described frame, and described base is provided with and described sprocket wheel isoplanar and the chain that matches, described sprocket wheel under the driving of described reducing motor along described chain movement and then drive described frame to sway, the bottom of described frame is with respect to another distolateral slide block sliding on base that is provided with of described sprocket wheel.
Preferably, described blower fan comprises the shell of a tubular, is positioned at the motor of the rear end of described shell, with the blade that is subject to motor driving rotation, the front end of the shell of described blower fan is provided with a circle spraying ring, described spraying ring connecting water pipe, and spraying ring is provided with multiple spaced spouts.
In order to make the water atomization better of described blower fan ejection, the front side of described blade is provided with a baffle, described baffle comprises the outer ring that is positioned at the funnel shaped inner ring at center and is located at interval at described inner ring outside, less one end of described inner ring is positioned at the rear side of shell, in inner ring, larger one end is positioned at the front side of described shell, described outer ring is pressed close to described shell setting and is matched fixing with described shell, between described inner ring and outer ring, be provided with the circumferential even spaced dowel sheet along baffle, described dowel sheet connects inner ring and outer ring.
Compared with prior art, the utility model has the advantage of this directed spraying device for reducing dust, not only can spray uniform water smoke, and this spraying machine can be adjusted its spray direction up and down, wind speed under various operating environments, the lower stability that can keep ejection water smoke direction of wind direction impact, therefore makes the work-yard of applying it have better fixed point dedusting dust-laying effect, cleaning ambient air.
Brief description of the drawings
Fig. 1 is the schematic diagram of directed spraying device for reducing dust of the present utility model.
Fig. 2 is the schematic diagram of the spraying machine of directed spraying device for reducing dust of the present utility model.
Fig. 3 is the enlarged diagram of A part in Fig. 2.
Fig. 4 is the top view of Fig. 2 mid frame part.
Fig. 5 is the schematic diagram of spraying machine of the present utility model.
Fig. 6 is the schematic diagram of the baffle in spraying machine of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1-6, directed spraying device for reducing dust of the present utility model, comprises spraying machine 1, water pump pipeline 2 and electric control box 3.
As shown in Figure 1, this water pump pipeline 2 comprises a water tank 21, and one end connects the outlet pipe 22 of the bottom of water tank 21, and is positioned at the spraying water pump 23 on outlet pipe 22, and the other end of outlet pipe 22 is connected to spraying machine 1.This water pump pipeline 2 also comprises an overflow pipe 24, is connected in the top of described water tank 21.High water level switch 211, low-water level switch 212 and alarm water level switch 213 are housed respectively on described water tank 21.On the outlet pipe 22 at the two ends of this spraying water pump 23, also be connected with a pressure pipeline 25, in the water outlet direction of this spraying water pump 23 that this pressure pipeline 25 is connected with outlet pipe 22, be also provided with a magnetic valve 26 for controlling the switching of this outlet pipe 22 and pressure pipeline 25.On this pressure pipeline 25, be also provided with an overflow valve 251.
Described spraying machine 1, as shown in Fig. 2-6, comprises frame 11, base 12 and blower fan 13.Described base 12 is that a disc-shaped part is fixed on ground, described frame 11 be fixed on described base 12 and can be on described base 12 with the perpendicular horizontal left-right rotation of axle 121 of described base 12, the top of the hinged and described frame 11 of described blower fan 13, and can rotate along with frame 11, also can rotate up and down around the hinge 14 on the top of itself and frame 11.
In described frame 11, be fixed with an electric pushrod 111, the output shaft of electric pushrod 111 stretches out on the one end of spout 134 that is fixedly connected on described blower fan 13, therefore flexible along with the output shaft of electric pushrod 111, one end with spout 134 of this high-power frequency conversion blower fan 13 can be rotated up and down around the hinged hinge 14 of itself and frame 11.And bottom one side of this frame 11 is also fixed with a reducing motor 112, the position of this reducing motor 112 and described axle 121 intervals, on the output shaft of this reducing motor 112, be fixed with a sprocket wheel 113 along with its output shaft coaxial rotation, described sprocket wheel 113 on the described base 12 in the bottom of frame 11 and with described base 12 plane parallel, described base 12 is provided with and described sprocket wheel 113 isoplanars and the chain 123 that cooperatively interacts, described sprocket wheel 113 moves along described chain 123, described sprocket wheel 113 is an arc setting on base 12, therefore, this frame 11 can be rotated around its axle 121 under the driving of reducing motor 112, and on the other end with respect to described sprocket wheel 113 in the bottom of frame 11 centered by described axle 121, be provided with slide block 114, this slide block 114 can be fixed on frame 11 bottoms by holddown spring 115, on base 12 along with frame 11 is slided.And as shown in Figure 4, the bottom of described frame 11 is circular, therefore can be provided with multiple slide blocks 114 at the bottom interval of frame 11.
Described electric control box 3 is for controlling electric pushrod in magnetic valve 26 and the spraying machine 1 of water pump pipeline 2 and the motion of reducing motor.On this electric control box 3, be also provided with gantry crane sensor 31 and move to control this spraying machine 1 for detection of the motion of gantry crane, and then make spraying machine 1 aim at the position of gantry crane unloading and spray in the time that gantry crane is unloaded.
Be the schematic diagram of this blower fan 13 as shown in Figure 5,6, described blower fan 13 is a large frequency frequency conversion fan, this blower fan comprises the shell 131 of tubular, and be positioned at the motor of cylindrical outer casing rear side, with the blade that is positioned at equally shell 131 that is positioned at motor front side and is subject to rotation that motor drives, the front side of described shell 131 inner sides, described blade is provided with a baffle 132, the front end of the shell 131 of described blower fan is provided with a circle spraying ring 133, described spraying ring 133 is communicated with water pipe 135, hollow in the middle of described spraying ring 133, spraying ring 133 is provided with the spout 134 at multiple intervals.This baffle as shown in Figure 6, comprises the outer ring 1322 that is positioned at the funnel shaped inner ring 1321 in center and is located at interval at described inner ring 1321 outsides.Less one end of described inner ring 1321 is positioned at the rear side of shell 131, larger one end of inner ring is positioned at the front side of described shell 131, described outer ring 1322 is pressed close to that described shell 131 arranges and is matched with described shell 131 and fix with shell 131, between described inner ring 1321 and outer ring 1322, be provided with the circumferential even spaced dowel sheet 1323 along baffle 132, this dowel sheet 1323 connects inner ring 1321 and outer ring 1322.This baffle 132 can make the wind blowing out from blade more be uniformly distributed after water conservancy diversion, makes the current uniform atomizing more that sprays from spout 134, and depositing dust dust-proof effect is better.
This directed spraying device, under the control of described electric control box 3, blower fan 13 starts low-speed running, spraying water pump 23 brings into operation, water at overflow valve 251 to build-up pressure in the pipeline of magnetic valve 26, when capturing material, gantry crane grab bucket turns to hopper position, gantry crane sensor 31 sends signal, magnetic valve 26 is opened, spraying ring 133 starts to spray water smoke, high-power frequency conversion blower fan 13 starts to accelerate, by complete water smoke atomization, around hopper, form water smoke district, after unsnatching material, grab bucket leaves hopper position, gantry crane sensor 31 dropouts, magnetic valve 26 cuts out, high-power frequency conversion blower fan 13 reduces to low cruise, so far complete a working cycles.
This directed spraying device for reducing dust, not only can spray uniform water smoke, and this spraying machine can be adjusted its spray direction up and down, wind speed under various operating environments, the lower stability that can keep ejection water smoke direction of wind direction impact, therefore make the work-yard of applying it there is better fixed point dedusting dust-laying effect, cleaning ambient air.
Although more than described preferred embodiment of the present utility model in detail, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All any amendments of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model within spirit of the present utility model and principle.