CN110743302A - Environmental protection equipment for indoor ventilation and dust removal in coal yard - Google Patents

Abstract

The invention discloses indoor ventilation and dust removal environment-friendly equipment for a coal yard, which comprises a fan, a filter frame and an ash deposition hopper, wherein the filter frame is arranged below the fan; the air door comprises an outer frame, wherein a louver is arranged above the outer frame, and the louver is hinged with the outer frame through a pin shaft. Has the advantages that: the electrostatic adsorption net is used for adsorbing and filtering coal dust in the air, so that indoor air is purified, and the indoor safety of a coal yard is ensured; the pushing mechanism pushes the hammer head to move up and down to beat the electrostatic adsorption net, so that dust on the surface of the electrostatic adsorption net is removed, and the filtering effect of the electrostatic adsorption net is ensured; the dust deposition hopper is driven to move by the driving device, and the dust cleaned by the electrostatic adsorption net is collected, so that manual cleaning is avoided.

Description

Environmental protection equipment for indoor ventilation and dust removal in coal yard

technical field

The invention relates to the field of coal yard dust removal, in particular to an environmental protection device for indoor ventilation and dust removal in coal yard.

Background technique

Coal dust will be produced in the production process of coal yard, and coal dust is extremely harmful. It not only pollutes the environment, but also harms human health after being inhaled by the human body. When the coal dust in the air reaches a certain concentration, it will cause an explosion in case of fire.

The applicant found that there are at least the following technical problems in the prior art: the office in the coal yard is usually an independent space, the staff in the office usually do not wear breathing masks, and because the office is connected to the outside air of the coal yard, it is easy to cause Coal dust enters the office with the air, causing the concentration of coal dust in the office to accumulate. Due to the small office space, the concentration of coal dust will increase rapidly, which will cause safety hazards in the office.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an environmental protection equipment for indoor ventilation and dust removal in the coal yard in order to solve the above problems, so as to solve the technical problems such as high concentration of coal dust in the office of the coal yard in the prior art, which is easy to cause safety hazards and other technical problems. The preferred technical solution among the many technical solutions provided by the present invention has the following technical effects: when the content of coal dust in the indoor air is relatively high, the coal dust can be adsorbed by the electrostatic adsorption net, so that the indoor air can be purified and other technical effects. See elaboration below.

For achieving the above object, the invention provides the following technical solutions:

The present invention provides an environmental protection equipment for indoor ventilation and dust removal in a coal yard, comprising a fan, a filter frame and an ash hopper, wherein the filter frame is arranged below the fan, the ash hopper is arranged below the filter frame, and The ash hopper is slidably connected with the filter frame, and a damper is arranged above the fan;

The damper includes an outer frame, a louver is arranged above the outer frame, and the louver and the outer frame are hinged through a pin shaft, a connecting rod is provided on the side of the louver, and the other end of the connecting rod is connected to the pulling rod. hingedly connected, the end of the pulling rod is provided with a telescopic motor, the telescopic motor is connected with the pulling rod through a coupling, and the telescopic motor is electrically connected with the controller;

The top of the damper is provided with a first air quality detector, and the first air quality detector is electrically connected to the controller;

The side wall of the fan is provided with a ventilation hole, the orifice of the ventilation hole is installed with a control valve, the control valve is electrically connected with the controller, and a return air pipe is arranged on the outside of the control valve, and the return air pipe is arranged on the outside of the control valve. A filter screen is arranged in the air duct;

An electrostatic adsorption net is arranged inside the filter frame, the electrostatic adsorption net is electrically connected to the controller, a hammer head is arranged above the electrostatic adsorption net, and a top rod is connected above the hammer head, and the top rod Extends to the outside through the side wall of the filter frame, and is connected with the push mechanism;

The push mechanism includes a top plate, a cam and a drive shaft. The top plate is fixedly connected to the top rod. A guide rod is fixedly connected above the top plate. A fixing plate is provided, the fixing plate is fixedly connected with the outer side wall of the filter frame, a cam is arranged under the top plate, and the cam is installed on the drive shaft, one end of the drive shaft is fixedly connected with the push motor, and the other One side is mounted on the filter frame through a bearing seat, and the push motor is electrically connected to the controller;

The controller is provided on one side of the pushing mechanism, a wireless signal device is arranged below the controller, and the wireless signal device is electrically connected with the controller;

A drive device is installed on the other side of the filter frame. The drive device includes a connecting shaft, a gear and a rotating motor. Both ends of the connecting shaft are mounted on the filter frame through brackets, and both ends of the connecting shaft are mounted on the filter frame. A gear is also installed, and the outer side of the end of the connecting shaft is connected with the rotary motor through a coupling, and the rotary motor is mounted on the side wall of the filter frame through bolts;

The bottom of the ash accumulating hopper is funnel-shaped, and the two sides of the ash accumulating hopper are equipped with racks, and the racks are engaged with the gears, and one end of the racks is A photoelectric switch is provided, and the photoelectric switch is electrically connected to the controller; a sliding groove is provided under the side of the rack, which can slide and cooperate with the filter frame;

A second air quality detector is installed under the ash hopper, and the second air quality detector is electrically connected to the controller.

With the above-mentioned environmental protection equipment for indoor ventilation and dust removal in a coal yard, in the initial state, the damper is in a closed state, and the ash hopper is on the side of the filter frame. When the second air quality detector detects indoor coal When the dust concentration is higher than the set value of the controller, the controller controls the fan to rotate forward, energizes the electrostatic adsorption network at the same time, and controls the control valve to open, and the indoor air flows through the fan. Under the action of inhaling the filter frame, after passing through the electrostatic adsorption net, the coal dust in the air is adsorbed and filtered, and the remaining air passes through the fan, enters the return air pipe through the control valve, and passes through the filter again. After being filtered by the net, it is discharged into the room, so as to purify the indoor air; when the surface of the electrostatic adsorption net adsorbs a lot of coal dust, the user terminal can send a dust cleaning instruction to the controller through the wireless remote control device, and the controller is in the After receiving the instruction, control the rotating motor to start, drive the gear to rotate, so that the gear pushes the rack to move, so that the ash hopper moves to the bottom of the filter frame by itself, when the photoelectric switch When the gear is detected, the rotating motor stops rotating, and at the same time, the push motor acts to drive the cam to rotate, so that the top plate reciprocates up and down, and the hammer head is driven to rotate through the top rod. The electrostatic adsorption net is hammered so that the coal dust adsorbed on the surface of the electrostatic adsorption net falls into the dust hopper. The ash hopper is transferred to the side of the filter frame; when the room needs ventilation and the first air quality detector detects that the coal dust content in the outdoor air is lower than the ventilation in the controller When the concentration is set, the telescopic motor retracts, and the louver is opened upward through the pulling rod and the connecting rod, and the fan is reversed at the same time, and the external air is sucked in through the damper. filter frame, the control valve is in a closed state at this time, and the outside air is filtered by the electrostatic adsorption net and then discharged into the room, so as to replace the indoor air.

Preferably, the fan is a vane type forward and reverse fan.

Preferably, the guide rod is a T-shaped shaft.

Preferably, the outer circular surface of the cam is tangent to the bottom surface of the top plate.

Preferably, the push motor is mounted on the filter frame through a fixing frame.

Preferably, the wireless signal device is a WiFi connector or a Bluetooth connector.

Preferably, the bottom of the filter frame is provided with an inwardly folded slider, which can extend into the chute, so that the ash hopper slides along the filter frame.

The beneficial effects are as follows: 1. The present invention adsorbs and filters the coal dust in the air through the electrostatic adsorption net, thereby purifying the indoor air and ensuring the safety of the coal yard;

2. Push the hammer head up and down through the push mechanism to knock the electrostatic adsorption net, so as to remove the dust on its surface, so as to ensure the filtering effect of the electrostatic adsorption net;

3. The dust hopper is driven to move by the driving device, and the dust cleaned by the electrostatic adsorption net is collected, so as to avoid manual cleaning.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the front view of the present invention;

Fig. 2 is the left side view of the present invention;

Fig. 3 is the right side view of the present invention;

Fig. 4 is the top view of the fan of the present invention;

Fig. 5 is the top view of the damper of the present invention;

FIG. 6 is an enlarged view of the pushing mechanism of the present invention.

The reference numerals are explained as follows:

1. damper; 101, shutter; 102, telescopic motor; 103, pull rod; 104, connecting rod; 105, outer frame; 2, fan; 3, filter frame; 4, ash hopper; 401, photoelectric switch; 402, rack; 403, chute; 5, driving device; 501, rotating motor; 502, connecting shaft; 503, gear; 504, bracket; 6, second air quality detector; 7, electrostatic adsorption net; 8, filter net ;9, hammer; 10, push mechanism; 1001, cam; 1002, drive shaft; 1003, top plate; 1004, spring; 1005, fixed plate; 1006, guide rod; 1007, push motor; 11, ejector rod; 12. Controller; 13. Wireless signal device; 14. Control valve; 15. Air return pipe; 16. First air quality detector.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-6, the present invention provides an indoor ventilation and dust removal environmental protection equipment in a coal yard, including a fan 2, a filter frame 3 and an ash hopper 4, the filter frame 3 is arranged below the fan 2, and the ash hopper 4 It is arranged below the filter frame 3, and the ash hopper 4 is slidably connected to the filter frame 3, and a damper 1 is arranged above the fan 2;

The damper 1 includes an outer frame 105, a louver 101 is arranged above the outer frame 105, and the louver 101 and the outer frame 105 are hinged through a pin, a connecting rod 104 is provided on the side of the louver 101, and the other end of the connecting rod 104 is hinged with the pulling rod 103 , the end of the pulling rod 103 is provided with a telescopic motor 102, the telescopic motor 102 is connected with the pulling rod 103 through a coupling, and the telescopic motor 102 is electrically connected with the controller 12;

The top of the damper 1 is provided with a first air quality detector 16, and the first air quality detector 16 is electrically connected to the controller 12;

A ventilation hole is provided on the side wall of the fan 2, and a control valve 14 is installed in the orifice of the ventilation hole. The control valve 14 is electrically connected with the controller 12, and a return air pipe 15 is arranged on the outside of the control valve 14. A filter screen 8 is provided;

An electrostatic adsorption net 7 is arranged inside the filter frame 3, and the electrostatic adsorption net 7 is electrically connected to the controller 12. A hammer head 9 is arranged above the electrostatic adsorption net 7, and an ejector rod 11 is connected above the hammer head 9, and the ejector rod 11 passes through the filter. The side wall of the frame 3 extends to the outside and is connected with the pushing mechanism 10;

The push mechanism 10 includes a top plate 1003, a cam 1001 and a drive shaft 1002. The top plate 1003 is fixedly connected to the top rod 11, a guide rod 1006 is fixedly connected above the top plate 1003, and a spring 1004 is provided on the outer surface of the guide rod 1006. The guide rod 1006 is pressed by the elastic force of the spring 1004, so that the bottom surface of the guide rod 1006 is always in contact with the outer surface of the cam 1001. A fixing plate 1005 is arranged above the spring 1004, and the fixing plate 1005 is fixed to the outer side wall of the filter frame 3 Connection, a cam 1001 is arranged under the top plate 1003, the cam 1001 is installed on the drive shaft 1002, one end of the drive shaft 1002 is fixedly connected with the push motor 1007, and the other side is installed on the filter frame 3 through the bearing seat, and the push motor 1007 is connected with the control The device 12 is electrically connected;

A controller 12 is arranged on one side of the pushing mechanism 10, a wireless signal device 13 is arranged below the controller 12, and the wireless signal device 13 is electrically connected with the controller 12;

The other side of the filter frame 3 is provided with a drive device 5, and the drive device 5 includes a connecting shaft 502, a gear 503 and a rotating motor 501. Both ends of the connecting shaft 502 are mounted on the filter frame 3 through brackets 504, and both ends of the connecting shaft 502 A gear 503 is also installed, and the outer side of the end of the connecting shaft 502 is connected with the rotary motor 501 through a coupling, and the rotary motor 501 is installed on the side wall of the filter frame 3 through bolts;

The bottom of the ash hopper 4 is funnel-shaped, and the two sides of the ash hopper 4 are installed with racks 402, and the racks 402 are engaged with the gears 503, and the end of one of the racks 402 is provided with a photoelectric switch 401, the photoelectric switch 401 is electrically connected with the controller 12; a sliding groove 403 is provided under the side of the rack 402, which can be slidably matched with the filter frame 3;

A second air quality detector 6 is installed below the ash hopper 4 , and the second air quality detector 6 is electrically connected to the controller 12 .

As an optional embodiment, the fan 2 is a vane type forward and reverse fan, which is arranged so that the controller 12 can control the fan 2 to rotate forward or reverse.

The guide rod 1006 is a T-shaped shaft, which is arranged in this way to prevent the guide rod 1006 from falling out of the fixing plate 1005 under the elastic force of the spring 1004 .

The outer circular surface of the cam 1001 is tangent to the bottom surface of the top plate 1003 , and this arrangement facilitates the top plate 1003 to reciprocate up and down with the overturning of the cam 1001 .

The pushing motor 1007 is installed on the filter frame 3 through the fixing frame, and such arrangement facilitates the fixing of the pushing motor 1007 .

The wireless annunciator 13 is a WiFi connector or a Bluetooth connector, which is set so that a user can send a control signal to the controller 12 through the wireless annunciator 13 by using a wireless remote control device.

The bottom of the filter frame 3 is provided with an inwardly folded slider, which can extend into the chute 403, so that the ash hopper 4 slides along the filter frame 3, so that the ash hopper 4 can be suspended under the filter frame 3, and The driving device 5 drives the ash hopper 4 to slide along the bottom of the filter frame 3 through the rack 402 .

With the above structure, in the initial state, the damper 1 is in a closed state, and the dust hopper 4 is on the side of the filter frame 3. When the second air quality detector 6 detects that the concentration of indoor coal dust is higher than the set value of the controller 12 , the controller 12 controls the fan 2 to rotate forward, at the same time energizes the electrostatic adsorption net 7, and controls the control valve 14 to open, the indoor air is sucked into the filter frame 3 under the action of the fan 2, and the coal in the air passes through the electrostatic adsorption net 7. The dust is adsorbed and filtered, and the remaining air passes through the fan 2, enters the return air duct 15 through the control valve 14, and is filtered by the filter 8 again and then discharged into the room, so as to purify the indoor air; When there is a lot of dust, the user terminal can send a dust cleaning instruction to the controller 12 through the wireless remote control device. After the controller 12 receives the instruction, it controls the rotating motor 501 to start, and drives the gear 503 to rotate, so that the gear 503 pushes the rack 402 to move. The ash hopper 4 is moved to the bottom of the filter frame 3 by itself. When the photoelectric switch 401 detects the gear 503, the rotating motor 501 stops rotating, and at the same time, the pushing motor 1007 acts to drive the cam 1001 to rotate, so that the top plate 1003 reciprocates up and down. And through the ejector rod 11, the hammer head 9 is driven to hammer the electrostatic adsorption net 7, so that the coal dust adsorbed on the surface of the electrostatic adsorption net 7 falls into the ash accumulation hopper 4. After the cleaning is completed, the pushing motor 1007 stops and rotates the motor at the same time. 501 is reversed, so that the dust hopper 4 is transferred to the side of the filter frame 3; when the room needs ventilation, the first air quality detector 16 detects that the coal dust content in the outdoor air is lower than the ventilation and ventilation in the controller 12. When the concentration reaches the set concentration, the telescopic motor 102 is retracted, and the shutter 101 is opened upward through the pulling rod 103 and the connecting rod 104, and the fan 2 is reversed at the same time, and the external air is sucked into the filter frame 3 through the damper 1. At this time, the control The valve 14 is in a closed state, and the outside air is discharged into the room after being filtered by the electrostatic adsorption net 7, so as to replace the indoor air.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (7)

1. An environmental protection equipment for indoor ventilation and dust removal in a coal yard, characterized in that it comprises a fan (2), a filter frame (3) and an ash hopper (4), and the filter frame (3) is arranged on the fan (2). ), the ash hopper (4) is arranged below the filter frame (3), and the ash hopper (4) is slidably connected to the filter frame (3), and the fan (2) is arranged above the There is a damper (1); The damper (1) includes an outer frame (105), a louver (101) is arranged above the outer frame (105), and the louver (101) and the outer frame (105) are hinged through a pin shaft, so the A connecting rod (104) is provided on the side of the shutter (101), the other end of the connecting rod (104) is hinged with the pulling rod (103), and the end of the pulling rod (103) is provided with a telescopic motor (102) , the telescopic motor (102) is connected with the pulling rod (103) through a coupling, and the telescopic motor (102) is electrically connected with the controller (12); A first air quality detector (16) is provided on the top of the damper (1), and the first air quality detector (16) is electrically connected to the controller (12); A ventilation hole is provided on the side wall of the fan (2), and a control valve (14) is installed at the orifice of the ventilation hole, and the control valve (14) is electrically connected to the controller (12), and the control valve (14) is electrically connected to the controller (12). A return air pipe (15) is arranged on the outside of the valve (14), and a filter screen (8) is arranged in the return air pipe (15); An electrostatic adsorption net (7) is arranged inside the filter frame (3), the electrostatic adsorption net (7) is electrically connected with the controller (12), and a hammer head is arranged above the electrostatic adsorption net (7). (9), an ejector rod (11) is connected above the hammer head (9), and the ejector rod (11) extends to the outside through the side wall of the filter frame (3), and is connected with the ejector mechanism (10). ) are connected; The pushing mechanism (10) includes a top plate (1003), a cam (1001) and a drive shaft (1002), the top plate (1003) is fixedly connected with the top rod (11), and the top plate (1003) is fixed above A guide rod (1006) is connected, a spring (1004) is arranged on the outer circular surface of the guide rod (1006), a fixing plate (1005) is arranged above the spring (1004), and the fixing plate (1005) is connected to the The outer side walls of the filter frame (3) are fixedly connected, and a cam (1001) is provided below the top plate (1003), and the cam (1001) is mounted on the drive shaft (1002), and one end of the drive shaft (1002) is connected to the The push motor is fixedly connected, the other side is mounted on the filter frame (3) through a bearing seat, and the push motor is electrically connected with the controller (12); The controller (12) is provided on one side of the pushing mechanism (10), a wireless signal device (13) is arranged below the controller (12), and the wireless signal device (13) is connected with the control device (13). The device (12) is electrically connected; A drive device (5) is installed on the other side of the filter frame (3), and the drive device (5) includes a connecting shaft (502), a gear (503) and a rotating motor (501). Both ends of 502) are installed on the filter frame (3) through brackets (504), and gears (503) are also installed at both ends of the connecting shaft (502), and the outer end of the connecting shaft (502) is connected through the connecting shaft (502). The shaft is connected with the rotary motor (501), and the rotary motor (501) is mounted on the side wall of the filter frame (3) through bolts; The bottom of the ash hopper (4) is funnel-shaped, and a rack (402) is installed on both sides of the ash hopper (4), and the rack (402) is connected to the gear (402). 503) are engaged, wherein a photoelectric switch (401) is provided at the end of one of the racks (402), and the photoelectric switch (401) is electrically connected to the controller (12); the rack (402) ) is provided with a chute (403), which can slide and fit with the filter frame (3); A second air quality detector (6) is installed below the ash hopper (4), and the second air quality detector (6) is electrically connected to the controller (12). 2 . The environmental protection equipment for indoor ventilation and dust removal in a coal yard according to claim 1 , wherein the fan ( 2 ) is a vane type forward and reverse fan. 3 . 3. The environmental protection equipment for indoor ventilation and dust removal in a coal yard according to claim 1, wherein the guide rod (1006) is a T-shaped shaft. The environmental protection equipment for indoor ventilation and dust removal in a coal yard according to claim 1, characterized in that: the outer circular surface of the cam (1001) is tangent to the bottom surface of the top plate (1003). 5 . The environmental protection equipment for indoor ventilation and dust removal in a coal yard according to claim 1 , wherein the push motor is installed on the filter frame ( 3 ) through a fixing frame. 6 . 6 . The indoor ventilation and dust removal environmental protection equipment in a coal yard according to claim 1 , wherein the wireless signal device ( 13 ) is a WiFi connector or a Bluetooth connector. 7 . 7. The environmental protection equipment for indoor ventilation and dust removal in a coal yard according to claim 1, characterized in that: the bottom of the filter frame (3) is provided with an inwardly folded slider, which can extend into the chute (403) inside, make the ash hopper (4) slide along the filter frame (3).

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