CN210509261U - Mine ventilation air increasing device - Google Patents

Abstract

The utility model relates to a mine ventilation increases wind device discloses one kind and increases wind through main fan, carries out the acceleration rate in order to carry out the dust clearance to main fan flabellum through the vortex tube to the air current in the reposition of redundant personnel through assisting the fan, avoids the fan to be infected with the wind device that increases wind effect of dust influence. The main fan blade is blown and pushed by the speed-increasing airflow in the branch wind-increasing rotational flow pipe, so that the main fan blade is prevented from accumulating dust. The wind-driven generator is characterized in that one end of the wind inlet pipe is connected with one end of the main wind pipe, a flange plate is arranged at the other end of the wind inlet pipe in a sleeved mode, one end of the wind outlet pipe is connected with the other end of the main wind pipe, the flange plate is arranged at the other end of the wind outlet pipe, the main fan is arranged in the wind outlet pipe in a sleeved mode, the shell of the main fan is connected with the inner wall of the wind outlet pipe, one ends of the plurality of shunt pipes are arranged on the outer side wall of the wind inlet pipe at equal angles, the other ends.

Description

Mine ventilation air increasing device

Technical Field

The utility model relates to a mine ventilation increases wind device relates to a device that increases wind to mine ventilation, belongs to the mining equipment field. In particular to a wind increasing device which increases wind through a main fan, increases the speed of air flow in a shunt pipe through an auxiliary fan, and cleans dust on fan blades of the main fan through a cyclone pipe, thereby avoiding the influence of dust on the wind increasing effect of the fan.

Background

Mine ventilation means inputing the mine with fresh air underground, increase oxygen concentration, it is poisonous in the mine to dilute and remove, harmful gas and dust, ventilation work on the tradition adopts the fan to put into the inside work of ventilating of mine with outside fresh air through air pipe usually, and along with the deepening of the inside working face of mine and the increase of air pipe, lead to inside windage grow amount of wind demand to increase, make original fan ventilation can't satisfy the ventilation demand, need the air amplifier to strengthen, and its fan blade of current mine air amplifier is infected with the dust easily after long-time the use and causes the reduction of fan convulsions and exhaust performance, influence normal air amplifier work.

The publication No. CN207829938U discloses a mine ventilation and air increase device, which comprises an air inlet and an air outlet, wherein partition plates are respectively arranged at two sides of a device body, the partition plates and the mine wall surface are respectively enclosed into an air inlet chamber and an air extraction chamber, an air inlet pipe is arranged in the air inlet chamber, one end of the air inlet pipe is connected with a first fan, and the other end of the air inlet pipe is communicated with the air outlet through a connecting pipe; an exhaust pipe is fixedly arranged in the exhaust chamber, one end of the exhaust pipe is connected with a second fan, and the other end of the exhaust pipe is communicated with the air inlet through a connecting pipe; the device body still includes solid fixed ring, the guard plate is installed to air outlet and solid fixed ring interconnect, solid fixed ring's inboard, and the device has the dust of being infected with easily on the multiunit fan uses the back fan for a long time, influences the effect of increasing the wind.

Notice No. CN208203329U discloses a colliery is ventilation air augmentation device in pit, including air augmentation machine and connector, its characterized in that: the connecting body is a cylindrical structure connected with the air duct; the inside of the air increasing machine is provided with an impeller, a water bin, an electronic gun and an air outlet which are communicated in sequence through an air inlet, and dust on the air increasing machine can influence the normal air increasing performance of the air increasing machine after the air increasing machine is used for a long time.

Disclosure of Invention

In order to improve the condition, the utility model relates to a mine ventilation air increasing device provides one kind and increases wind through main fan, carries out the acceleration rate in order to carry out the dust clearance to main fan flabellum through the cyclone tube to the air current in the reposition of redundant personnel through assisting the fan, avoids the fan to be infected with the air increasing device that the dust influences the effect of increasing wind. The main fan blade is blown and pushed by the speed-increasing airflow in the branch wind-increasing rotational flow pipe, so that the main fan blade is prevented from accumulating dust.

The utility model relates to a mine ventilation increases wind device is realized like this: the utility model relates to a mine ventilation air increasing device, which comprises an air inlet pipe, a flange plate, a shunt pipe, an accelerating pipe, a cyclone pipe, an air outlet pipe, a main air pipe, a main fan and an auxiliary fan, wherein one end of the air inlet pipe is connected with one end of the main air pipe, the flange plate is sleeved on the other end of the air inlet pipe, one end of the air outlet pipe is connected with the other end of the main air pipe, the flange plate is arranged on the other end of the air outlet pipe, the main fan is sleeved in the air outlet pipe, the main fan shell is connected with the inner wall of the air outlet pipe, one ends of a plurality of shunt pipes are arranged on the outer side wall of the air inlet pipe at equal angles, the other ends of the shunt pipes extend towards the main air pipe, the shunt pipe is communicated with the air inlet pipe, one ends of the accelerating pipes are connected with the other ends of the shunt pipes in one-to-one, the central line of acceleration rate pipe and the central line of main tuber pipe parallel, it is intraductal that a plurality of auxiliary fan one-to-ones are arranged in a plurality of acceleration rates, the shell of auxiliary fan is connected with the inside wall of acceleration rate pipe, and the one end of a plurality of whirl pipes and the other end one-to-one of a plurality of acceleration rate pipes are connected, the other end of whirl pipe is on the outer wall of air-out pipe is arranged in to the angle such as the other end, whirl pipe intercommunication acceleration rate pipe and air-out pipe.

Furthermore, a valve plate is additionally arranged in the main air pipe, the valve plate is a circular plate, a rotating shaft is sleeved in the middle of the valve plate, and one end of the rotating shaft is connected with a motor shaft of an external motor.

Has the beneficial effects.

Firstly, the main fan blade is blown and pushed by the speed-increasing airflow in the branch wind-increasing rotational flow pipe, so that the main fan blade is prevented from accumulating dust.

And secondly, the cyclone tube performs certain auxiliary pushing rotation on the main fan, so that the load of the main fan is reduced, and the air increasing effect is improved.

Thirdly, the use and the installation are convenient and simple.

Drawings

Fig. 1 the utility model relates to a three-dimensional structure diagram of a mine ventilation air increasing device.

Fig. 2 the utility model relates to a mine ventilation air increasing device's schematic structure diagram.

Fig. 3 the utility model relates to a mine ventilation increases wind device inner structure's schematic structure diagram.

Fig. 4 is a schematic structural view of embodiment 2 of a ventilation and air-increasing device for a mine.

In the attached drawings

Wherein the method comprises the following steps: the air inlet pipe 1, the ring flange 2, the shunt tubes 3, the acceleration rate pipe 4, the cyclone tube 5, go out tuber pipe 6, main tuber pipe 7, main fan 8, assist fan 9, valve plate 10, pivot 11.

The specific implementation mode is as follows:

example 1:

the utility model relates to a mine ventilation air increasing device which is realized by an air inlet pipe 1, a flange plate 2, a shunt pipe 3, an accelerating pipe 4, a cyclone tube 5, an air outlet pipe 6, a main air pipe 7, a main fan 8 and an auxiliary fan 9, wherein one end of the air inlet pipe 1 is connected with one end of the main air pipe 7, the flange plate 2 is sleeved on the other end of the air inlet pipe 1, one end of the air outlet pipe 6 is connected with the other end of the main air pipe 7, the flange plate 2 is arranged on the other end of the air outlet pipe 6, the main fan 8 is sleeved in the air outlet pipe 6, the shell of the main fan 8 is connected with the inner wall of the air outlet pipe 6, one ends of a plurality of shunt pipes 3 are arranged on the outer side wall of the air inlet pipe 1 at equal angles, the other ends of the shunt pipes 3 extend towards the main air pipe 7, the shunt pipes 3 are communicated with the air inlet pipe, and be linked together, it is a plurality of angular distribution such as acceleration rate pipe 4 is in the outside of main tuber pipe 7, a section distance has been put between acceleration rate pipe 4 and the 7 lateral walls of main tuber pipe, acceleration rate pipe 4's central line and main tuber pipe 7's central line parallel, a plurality of auxiliary fan 9 one-to-ones are arranged in a plurality of acceleration rate pipes 4, auxiliary fan 9's shell is connected with acceleration rate pipe 4's inside wall, and the one end of a plurality of cyclone tube 5 and a plurality of acceleration rate pipe 4's other end one-to-one are connected, the other end isogonism of cyclone tube 5 is arranged in on the outer wall of play tuber pipe 6, cyclone tube 5 communicates acceleration rate pipe 4 and goes out tuber pipe.

When in use, a person firstly connects the device into a mine ventilation pipeline through the other end of the air inlet pipe 1 and the flange 2 at the other end of the air pipe, then the main blower 8 in the air outlet pipe 6 and the auxiliary blowers 9 in the plurality of speed increasing pipes 4 are started, when the ventilation is carried out, one part of the air flow entering from the air inlet pipe 1 passes through the main fan 8, the fan blades in the main fan 8 rotate to accelerate the air flow, the other part of the air flow enters the accelerating pipe 4 through the flow dividing pipe 3, the auxiliary fan 9 in the accelerating pipe 4 accelerates the air flow, then the air flow forms high-speed rotating air flow through the cyclone pipe 5 and enters the air outlet pipe 6, the main fan 8 fan blade in the air outlet pipe 6 is impacted, the dust attached on the main fan 8 fan blade is impacted and cleaned, thereby preventing the dust on the main fan 8 fan blade from being polluted, meanwhile, the high-speed rotating airflow can perform certain auxiliary propelling action on the rotation of the fan blades of the main fan 8.

Example 2:

the difference between this example and example 1 is: a valve plate 10 is additionally arranged in the main air pipe 7, the valve plate 10 is a circular plate, a rotating shaft 11 is sleeved in the middle of the valve plate 10, and one end of the rotating shaft 11 is connected with a motor shaft of an external motor; during the use, the personnel drive the rotation of pivot 11 rotation with this control valve plate 10 through the control motor, open the closure with this to main tuber pipe 7, with valve plate 10 rotate to laminate mutually with 7 inner walls of main tuber pipe, with 7 pipelines closure of main tuber pipe, then form reverse air current through the main 9 antiport of supplementary fan of control, make the air current from going out tuber pipe 6 entering cyclone tube 5, carry out reverse blowing to supplementary fan 9 flabellum in the speed-increasing pipe 4 is reversely irritated again, and then clear up the dust at the back of supplementary fan 9.

Reach and increase wind through main blower 8, through assisting fan 9 to carry out the acceleration rate in the airflow in the shunt tubes 3 in order to carry out the dust clearance through cyclone tube 5 to main blower 8 flabellum, avoid the fan to be infected with the dust and influence the purpose of the effect of increasing wind.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (5)

1. A mine ventilation air increasing device is characterized in that: the wind-driven generator is composed of an air inlet pipe, a flange plate, flow dividing pipes, speed-increasing pipes, cyclone pipes, a wind outlet pipe, a main wind pipe, a main fan and auxiliary fans, wherein one end of the air inlet pipe is connected with one end of the main wind pipe, the flange plate is sleeved at the other end of the air inlet pipe, one end of the wind outlet pipe is connected with the other end of the main wind pipe, the flange plate is arranged at the other end of the wind outlet pipe, the main fan is sleeved in the wind outlet pipe, a shell of the main fan is connected with the inner wall of the wind outlet pipe, one ends of the flow dividing pipes are arranged on the outer side wall of the air inlet pipe at equal angles, the other ends of the flow dividing pipes extend towards the main wind pipe, the flow dividing pipes are communicated with the air inlet pipe, one ends of the speed-increasing pipes are connected with the other ends of the flow dividing pipes in a one-to-one correspondence manner, the auxiliary, the other end of the cyclone tube is arranged on the outer wall of the air outlet tube at an equal angle, and the cyclone tube is communicated with the speed increasing tube and the air outlet tube.

2. The mine ventilation and air increase device of claim 1, wherein a valve plate is additionally arranged in the main air pipe, the valve plate is a circular plate, a rotating shaft is sleeved in the middle of the valve plate, and one end of the rotating shaft is connected with a motor shaft of an external motor.

3. The mine ventilation and air-increasing device of claim 1, wherein the plurality of speed-increasing pipes are distributed at equal angles outside the main air pipe.

4. The mine ventilation air increasing device as claimed in claim 1 or 3, wherein the centre line of the speed increasing pipe is parallel to the centre line of the main air pipe.

5. The mine ventilation and air-increasing device of claim 4, wherein a distance is provided between the speed increasing pipe and the outer side wall of the main air pipe.

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