Spark extinguishing device

Abstract

The utility model discloses a spark extinguishing device which comprises a box body (1) provided with a dust inlet (11) and a dust outlet (12); the at least two baffles (2) are arranged in the box body (1) at intervals, so that a flow channel (10) which is arranged in a snakelike winding manner is formed in the box body (1), and an inlet and an outlet of the flow channel (10) are respectively communicated with the dust inlet (11) and the dust outlet (12); the device is characterized by further comprising a flow dividing piece (3), and the flow dividing piece (3) is installed on the surface, facing the airflow, of the baffle (2) and used for dividing the airflow facing the baffle (2) and then colliding with the baffle (2). Compared with the prior art, the spark extinguishing device is simple in structure and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of purification equipment, specifically points to a kind of Mars extinguishing device. BACKGROUND

[0002] The smoke purifier equipment used in laser welding, polishing equipment and the like directly inhales smoke dust into filter core to be directly filtered, and filter core is easily blocked, and a large amount of star is inhaled, to cause filter core to heat up, smoke is generated, and even fire.

[0003] In order to eliminate star, the Chinese patent with patent application number CN201410649157.7, "star catcher", discloses a star catcher, comprising a cylinder, a baffle is arranged in the cylinder to divide the cavity in the cylinder into a left cavity and a right cavity which are communicated at the bottom, an inlet flange and an outlet flange are arranged on the upper end face of the cylinder corresponding to the left cavity and the right cavity, the inlet flange is communicated with the left cavity, and the outlet flange is communicated with the right cavity; a forward star elimination plate is arranged in the left cavity, and a reverse star elimination plate is arranged in the right cavity. The star catcher has simple structure and good star elimination effect; the forward star elimination plate and the reverse star elimination plate are arranged in the catcher, so that the star is eliminated twice, and the incomplete capture of star is avoided; the drawer hopper is arranged at the bottom of the star catcher, so that the dust after the star is extinguished can be collected, and the dust pretreatment effect is achieved.

[0004] However, in the above-mentioned scheme, multiple star elimination plates need to be arranged to capture star, which has complex structure and high cost. INVENTION CONTENTS

[0005] The utility model solves the technical problem to be solved, and provides a Mars extinguishing device with simple structure and low cost.

[0006] The utility model adopts the technical scheme to solve the above-mentioned technical problem: a Mars extinguishing device, comprising a box body, having a dust inlet and a dust outlet; and

[0007] At least two baffles are arranged in the box body in a spaced manner, so that a flow channel arranged in a serpentine manner is formed in the box body, and the inlet and outlet of the flow channel are communicated with the dust inlet and the dust outlet respectively;

[0008] Characterized in that: further comprising a flow dividing member, the flow dividing member is installed on the surface of the baffle facing the airflow, and is used for dividing the airflow facing the baffle and colliding with the baffle after dividing.

[0009] In order to facilitate the formation of dust inlet and dust outlet, the box body is in a cylindrical shape and extends in the front-rear direction, and the dust inlet and the dust outlet are located at the front end and the rear end of the box body respectively.

[0010] For the convenience of the formation of the flow channel, all the baffles are arranged in intervals from front to back, the edges of the top sides of odd-numbered baffles are mounted on the top wall inside the box body, there is a gap between the edges of the bottom sides of odd-numbered baffles and the bottom wall inside the box body, the edges of the bottom sides of even-numbered baffles are mounted on the bottom wall inside the box body, and there is a gap between the edges of the top sides of even-numbered baffles and the top wall inside the box body.

[0011] For the convenience of fully colliding with the Mars to make the Mars extinguish, each of the baffles is in the shape of a circular arc gradually extending rearward and then gradually extending forward from top to bottom.

[0012] For the convenience of the gas flow being branched, the number of the branching members is at least two and the branching members are arranged in intervals in the left-right direction.

[0013] For the convenience of colliding with the gas flow while being branched, each of the branching members comprises

[0014] A connecting plate is vertically arranged on the front side of the frontmost baffle; and

[0015] Two branching plates are symmetrically connected to the left and right sides of the connecting plate, and each of the branching plates gradually moves away from the connecting plate from front to back.

[0016] For the convenience of balancing the branching and colliding effects, the angle between the two branching plates is an acute angle.

[0017] For the convenience of discharging the extinguished Mars, an opening is formed in the bottom wall of the box body for the extinguished Mars to fall through.

[0018] For the convenience of collecting the extinguished Mars, a dust collecting box is connected to the bottom of the box body and communicates with the opening.

[0019] For the convenience of discharging the extinguished Mars in time, the number of the baffles is two, the front baffle is arranged directly above the opening, and the rear baffle is arranged behind the opening.

[0020] Compared with the prior art, the advantages of the present application are that the branching members are mounted on the surface of the baffle facing the gas flow, the gas flow facing the baffle is branched and then collides with the baffle, the Mars can be efficiently extinguished, the structure is simple, and the cost is low. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 FIG. 1 is a perspective view of an embodiment of the Mars extinguishing device of the present application;

[0022] Figure 2 FIG. 2 is a longitudinal sectional view of the Mars extinguishing device of the present application; Figure 1

[0023] Figure 3 FIG. 3 is a longitudinal sectional view of the Mars extinguishing device of the present application.​Figure 1 a lateral cross-sectional view. DETAILED DESCRIPTION

[0024] The utility model will be described in further detail below in conjunction with the drawings.

[0025] In the description and claims of the utility model, terms of direction, such as "front", "back", "upper", "lower", "left", "right", "side", "top", "bottom" and the like, are used to describe various example structural parts and elements of the utility model, but these terms are used herein only for the purpose of convenience of description and are determined based on the example orientation shown in the drawings. Since the embodiments disclosed by the utility model can be arranged in different directions, these terms of direction are only for illustration and should not be regarded as limitation, for example, "upper" and "lower" are not necessarily limited to the direction opposite or consistent with the direction of gravity.

[0026] As shown in Figures 1 to 3 , it is a preferred embodiment of the utility model's Mars extinguishing device. The Mars extinguishing device comprises a box body 1, a baffle 2, a flow dividing piece 3 and a dust receiving box 4.

[0027] Among them, the box body 1 is cylindrical and extends along the front-back direction. Specifically, the front end and the rear end of the box body 1 have a dust inlet 11 and a dust outlet 12 respectively; an opening 13 for falling out the extinguished Mars is formed on the bottom wall of the box body 1.

[0028] The number of baffles 2 is at least two, and they are arranged in the box body 1 in the front-back direction. Specifically, the edge of the top side of the odd-numbered baffle 2 is installed on the top wall inside the box body 1, and there is a gap between the edge of the bottom side of the odd-numbered baffle 2 and the bottom wall inside the box body 1, the edge of the bottom side of the even-numbered baffle 2 is installed on the bottom wall inside the box body 1, and there is a gap between the edge of the top side of the even-numbered baffle 2 and the top wall inside the box body 1, so that a flow channel 10 in a serpentine arrangement is formed in the box body 1, and the inlet and outlet of the flow channel 10 are communicated with the dust inlet 11 and the dust outlet 12 respectively.

[0029] In this embodiment, each baffle 2 is in the shape of a circular arc extending gradually backward and then gradually forward from top to bottom, which facilitates full collision with Mars to extinguish the Mars; the number of baffles 2 is two, the baffle 2 located in the front is arranged directly above the opening 13, and the baffle 2 located in the rear is arranged behind the opening 13.

[0030] The flow dividing piece 3 is installed on the surface of the baffle 2 located in the front facing the air current, i.e. the front side, for dividing the air current facing the baffle 2 and colliding with the baffle 2. Specifically, the number of flow dividing pieces 3 is two, and they are arranged in the left-right direction, so that the air current entering from the dust inlet 11 can be divided into three paths and collide with the baffle 2.

[0031] In the embodiment, each flow distributor 3 comprises a connecting plate 31 and two flow distributor plates 32. Specifically, the connecting plate 31 is vertically arranged on the front side of the frontmost baffle 2; the two flow distributor plates 32 are symmetrically connected to the left and right sides of the connecting plate 31, each flow distributor plate 32 gradually moves away from the connecting plate 31 from front to back, and the angle between the two flow distributor plates 32 is an acute angle, so that the flow distributor plates 32 not only play a flow distribution role, but also collide with the airflow.

[0032] The dust collection box 4 is connected to the bottom of the box body 1 and communicates with the opening 13, and is used to receive extinguished sparks.

[0033] The working principle of the embodiment is as follows: in use, the laser welding, polishing equipment and the like are connected to the dust inlet 11, and the smoke purifier is connected to the dust outlet 12, the laser welding sparks or polishing sparks and dust are sucked into the box body 1 by the suction force of the smoke purifier, the airflow carrying the sparks is first divided into three paths by the flow distributor plates 32 during flowing through the flow channel 10, and then collides with the baffle 2 located in front, most of the sparks are extinguished during the collision with the flow distributor plates 32 and the baffle 2 located in front, and then a small part of the sparks continues to move forward with the airflow and is extinguished during the collision with the baffle 2 located in the rear, the extinguished sparks fall into the dust collection box 4 through the opening 13, and finally the dust is discharged from the dust outlet 12 into the smoke purifier for purification with the airflow.

Claims

1. A device for extinguishing sparks, comprising a box (1) having an inlet port (11) and an outlet port (12); and at least two baffles (2) arranged in the box (1) at intervals so that a flow channel (10) in a serpentine arrangement is formed in the box (1), the inlet and outlet of the flow channel (10) communicating with the inlet port (11) and the outlet port (12) respectively; and further comprising a flow splitter (3) installed on the surface of the baffle (2) facing the air flow for splitting the air flow facing the baffle (2) and colliding with the baffle (2). The box (1) is cylindrical and extends in the front-rear direction, and the inlet port (11) and the outlet port (12) are located at the front end and the rear end of the box (1) respectively. All the baffles (2) are arranged at intervals from front to rear, the edges of the top side of the odd-numbered baffles (2) are installed on the top wall inside the box (1), the edges of the bottom side of the odd-numbered baffles (2) have a gap with the bottom wall inside the box (1), the edges of the bottom side of the even-numbered baffles (2) are installed on the bottom wall inside the box (1), and the edges of the top side of the even-numbered baffles (2) have a gap with the top wall inside the box (1). characterized in that Each of the baffles (2) is in the shape of a circular arc extending gradually rearward and then gradually forward from top to bottom.

2. The Mars extinguishing device according to claim 1, characterized in that: The number of the flow splitters (3) is at least two, and they are arranged at intervals in the left-right direction.

3. The Mars extinguishing device according to claim 2, characterized in that: Each of the flow splitters (3) comprises a connecting plate (31) arranged vertically on the front side of the frontmost baffle (2); and two flow splitter plates (32) symmetrically connected to the left and right sides of the connecting plate (31), each flow splitter plate (32) gradually moving away from the connecting plate (31) from front to rear.

4. The Mars extinguishing device according to claim 3, characterized in that: The angle between the two flow splitter plates (32) is acute.

5. The Mars extinguishing device according to claim 3, characterized in that: An opening (13) for dropping the extinguished sparks is formed in the bottom wall of the box (1).

6. The Mars extinguishing device according to claim 5, characterized in that: A dust collecting box (4) connected to the opening (13) is connected to the bottom of the box (1). The number of the baffles (2) is two, the front baffle (2) is arranged directly above the opening (13), and the rear baffle (2) is arranged behind the opening (13).

7. The Mars extinguishing device according to claim 6, characterized in that: ​ 8. The Mars extinguishing device according to any one of claims 3 to 7, characterized in that: ​ 9. The Mars extinguishing device according to claim 8, characterized in that: ​ 10. The Mars extinguishing device according to claim 8, characterized in that: ​

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