Mining intrinsically safe smoke control device

Abstract

The invention relates to the technical field of smoke control devices, and discloses a mining intrinsically safe smoke control device which comprises a smoke alarm and a smoke inlet, the smoke inlet is sleeved with a protective cover, the top of the protective cover is fixed to the bottom face of the top of the smoke alarm, and a supporting cover is fixed to the center of the bottom of the smoke alarm. A plurality of fixed sealing plates are fixed to the lower portion of the outer surface of the supporting cover, the outer surface of each fixed sealing plate is fixed to the inner wall of the protective cover, and a plurality of rotary sealing plates are arranged at the bottoms of the fixed sealing plates. When the smoke alarm detects smoke entering and gives an alarm through infrared discrimination, the fixed sealing plate and the rotary sealing plate rotate to be staggered, and then the smoke alarm can be turned off, so that the smoke alarm and the smoke inlet can be protected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of smoke control devices, in particular to a mine-used intrinsically safe smoke control device. BACKGROUND

[0002] The main reasons for smoke generation in the mining process include blasting smoke dust, mine ventilation and combustion caused smoke dust, blasting smoke dust mainly comes from four dust sources: crushing ring, surface floating dust, broken dust and gun smoke, the internal smoke is mainly respiratory dust, aerosol particles and toxic and harmful gases; The mine ventilation refers to the air discharged in the mine ventilation system, which may contain harmful gases such as gas; The combustion caused smoke dust needs to be promptly reported to the fire alarm.

[0003] According to the patent CN111520179A, a mine-used intrinsically safe smoke control device is disclosed, which comprises a smoke suction machine, a discrimination mechanism is fixedly installed on the lower surface of the left side of the smoke suction machine, a controller is fixedly installed on the upper surface of the smoke suction machine, a processing mechanism is connected to the output end of the smoke suction machine through a smoke guide pipe, and an smoke outlet mechanism is connected to the output end of the processing mechanism through a smoke guide pipe. The mine-used intrinsically safe smoke control device can effectively prevent the smoke control device from misjudging due to the large amount of dust and water mist in the mine, and can effectively process the smoke and dust according to their characteristics.

[0004] However, the existing smoke control device is not convenient for collecting and cleaning the preliminarily filtered smoke dust and other impurities during subsequent smoke treatment, which leads to incomplete smoke treatment and reduces the processing effect of the smoke control device, and the smoke alarm cannot be protected. SUMMARY

[0005] In order to solve the problem of poor smoke treatment effect of the existing mine-used intrinsically safe smoke control device, the present application provides a mine-used intrinsically safe smoke control device to solve the above problems.

[0006] In order to achieve the above purpose, the present application provides the following technical scheme:

[0007] A mine-used intrinsically safe smoke control device comprises a smoke alarm and a smoke inlet, a protective cover is arranged outside the smoke inlet, the protective cover is fixed on the top of the smoke alarm, a support cover is fixed at the center of the bottom of the smoke alarm, a plurality of fixed sealing plates are fixed on the outer surface of the lower part of the support cover, the outer surface of each fixed sealing plate is fixed on the inner wall of the protective cover, and a plurality of rotating sealing plates are arranged at the bottom of the fixed sealing plate.

[0008] A smoke and dust collection box is provided below the rotating sealing plate. A fan is provided at the end of the smoke and dust collection box away from the smoke alarm. The air inlet of the fan is connected to the inside of the smoke and dust collection box. A detachable filter assembly plate is inserted inside the smoke and dust collection box on the side of the fan.

[0009] Furthermore, a cleaning scraper is fitted to the outer side of the smoke inlet, the top of the cleaning scraper is fixed to the inner wall of the rotating sleeve, and the rotating sleeve is rotatably connected to the top and bottom surface of the smoke alarm inside the protective cover via a bearing.

[0010] Furthermore, the outer surface of the rotating sealing plate is fixed inside the connecting collar, the connecting collar is rotatably sleeved on the lower part of the protective cover, the fixed sealing plate and the rotating sealing plate are set as a sector with the same arc, and the arc of the gap between two adjacent fixed sealing plates is smaller than the arc of the rotating sealing plate.

[0011] Furthermore, both the smoke and dust collection box and the top surface of the fan are equipped with a fixing frame, the top surface of the fixing frame is flush with the top surface of the smoke alarm, the air outlet of the fan away from the smoke and dust collection box is equipped with a protective net, and the fan blades inside the fan are fixedly connected to the output end of the fan motor through a rotating shaft.

[0012] Furthermore, a fixed sleeve is fixed to the bottom of the smoke collection box away from the smoke alarm, and a collection bucket is provided below the fixed sleeve. The top inlet thread of the collection bucket is threaded into the inside of the fixed sleeve.

[0013] Furthermore, the smoke collection box has an air inlet on the side near the smoke alarm, the top of the air inlet is set in an arc shape to cooperate with the connecting collar, and the smoke collection box below the smoke alarm is set to tilt downward towards the fan side.

[0014] Furthermore, the side wall of the smoke and dust collection box is provided with a slot that cooperates with the filter assembly plate. The filter assembly plate includes a filter screen and an activated carbon filter plate, which are arranged from the smoke alarm side to the fan side. A fixing plate is fixed to one end of the filter assembly plate extending to the outside of the smoke and dust collection box. The fixing plate is fixed to the smoke and dust collection box by bolts.

[0015] Furthermore, a second toothed ring is fixed to the outer surface of the rotating sleeve, and a first toothed ring is meshed with the second toothed ring on its side. A second bevel gear is fixed to the top of the first toothed ring, and the top of the second bevel gear is rotatably connected to the bottom surface of the smoke alarm via a bearing. A rotating rod is meshed with the second bevel gear on its side, and pulleys are fixed to one end of the rotating rod extending to the outside of the protective cover and to the fan blade shaft inside the fan. The two pulleys are connected by a high-temperature resistant belt drive.

[0016] Furthermore, the cleaning scraper is configured to be bent to cooperate with the smoke alarm and the smoke inlet, the rotating rod is rotatably connected to the support plate near the outer surface of the fan end via a bearing, the bottom surface of the support plate is fixed to the top surface of the smoke and dust collection box, the top of the fan is provided with a slot to cooperate with the high temperature resistant belt, and the diameter of the second toothed ring is larger than the diameter of the first toothed ring.

[0017] Furthermore, the bottom surface of the dust collection box at the top of the fixed sleeve is provided with a through hole that matches the inlet of the collection bucket, and the filter assembly plate is located inside the dust collection box between the fixed sleeve and the fan.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. In this invention, the fixed sealing plate and the rotating sealing plate work together. During normal use, the fixed sealing plate and the rotating sealing plate are aligned. When the smoke alarm detects the smoke entering and issues an alarm through infrared detection, the fixed sealing plate and the rotating sealing plate rotate to a misaligned position, which can shut off the smoke alarm. This can protect the smoke alarm and the smoke inlet.

[0020] 2. In this invention, by detecting non-fire alarm smoke and shutting off the smoke alarm and smoke inlet, and then controlling and purifying the smoke, the smoke inside the mine can be dealt with in a timely manner, avoiding smoke from affecting visibility. This solves the problem of poor smoke treatment effect of existing intrinsically safe smoke control devices for mining, and improves the smoke treatment effect of the smoke control device.

[0021] 3. In this invention, the collection bucket, which can be directly twisted and disassembled at the bottom, facilitates the collection of dust generated during the processing. Combined with the filter assembly plate, it facilitates the removal of harmful substances in the smoke and the purification of the smoke. Furthermore, the detachable design of the filter assembly plate facilitates the daily maintenance of the smoke control device. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a three-dimensional structural diagram of a smoke control device according to an embodiment of this application;

[0024] Figure 2 yes Figure 1 Another perspective view of the three-dimensional structure of the smoke control device in the illustrated embodiment;

[0025] Figure 3 yes Figure 1 The illustrated embodiment is a three-dimensional structural diagram of the smoke alarm.

[0026] Figure 4 yes Figure 1 The illustrated embodiment presents a three-dimensional structural diagram of the smoke alarm when it is activated.

[0027] Figure 5 yes Figure 1 The illustrated embodiment presents a three-dimensional structural diagram of the smoke alarm when it is closed.

[0028] Figure 6 yes Figure 1 The embodiment shown is a three-dimensional schematic diagram of the cleaning scraper connection structure;

[0029] Figure 7 yes Figure 1 The illustrated embodiment is a schematic diagram of the three-dimensional structure of the collection box.

[0030] The meanings of the labels in the attached diagram are as follows: 1. Smoke alarm; 2. Smoke inlet; 3. Protective cover; 4. Fixed sealing plate; 5. Support cover; 6. Rotating sealing plate; 7. Servo motor; 8. Smoke and dust collection box; 9. Fan; 10. Fixing frame; 11. Fixing plate; 12. Collection bucket; 13. Rotating rod; 14. Pulley; 15. High-temperature resistant belt; 16. Bevel gear one; 17. Bevel gear two; 18. Gear ring one; 19. Gear ring two; 20. Rotating sleeve; 21. Cleaning scraper; 22. Filter combination plate; 23. Support plate; 24. Air inlet; 25. Fixing sleeve; 26. Connecting collar. Detailed Implementation

[0031] To make the purpose, features, and advantages of this application more apparent and understandable, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described below are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] Reference Figure 1 , Figure 3 , Figure 4 and Figure 5 A mine intrinsically safe smoke control device includes a smoke alarm 1 and a smoke inlet 2. A protective cover 3 is fitted on the outside of the smoke inlet 2. The top of the protective cover 3 is fixed to the top bottom surface of the smoke alarm 1. A support cover 5 is fixed at the center of the bottom of the smoke alarm 1. Several fixed sealing plates 4 are fixed on the lower part of the outer surface of the support cover 5. The outer surface of each fixed sealing plate 4 is fixed on the inner wall of the protective cover 3. Several rotating sealing plates 6 are provided at the bottom of the fixed sealing plate 4.

[0033] Below the rotating sealing plate 6, there is a smoke and dust collection box 8. At the end of the smoke and dust collection box 8 away from the smoke alarm 1, there is a fan 9. The air inlet of the fan 9 is connected to the inside of the smoke and dust collection box 8. A detachable filter assembly plate 22 is inserted inside the smoke and dust collection box 8 on the side of the fan 9.

[0034] Specifically, the outer surface of the rotating sealing plate 6 is fixed inside the connecting collar 26, and the connecting collar 26 is rotatably sleeved on the lower part of the protective cover 3. The fixed sealing plate 4 and the rotating sealing plate 6 are set as a fan shape with the same arc. The arc of the gap between two adjacent fixed sealing plates 4 is smaller than the arc of the rotating sealing plate 6, so that after the rotating sealing plate 6 rotates to be misaligned with the fixed sealing plate 4, it can seal the bottom of the protective cover 3 to prevent dust in the smoke from continuously entering the smoke inlet 2. While issuing an alarm, it can also better protect the smoke alarm 1 and the smoke inlet 2. The top surface of the smoke collection box 8 and the fan 9 are both equipped with a fixing frame 10. The top surface of the fixing frame 10 is flush with the top surface of the smoke alarm 1. The air outlet of the fan 9 away from the smoke collection box 8 is equipped with a protective net. The fan blades inside the fan 9 are fixedly connected to the output end of the fan motor through a rotating shaft. When purifying the smoke, the rotating shaft drives the cleaning scraper 21 to rotate, which facilitates cleaning of the smoke inlet 2.

[0035] As an optimization solution, such as Figure 1 , Figure 2 and Figure 7 As shown, a fixed sleeve 25 is fixed to the bottom of the smoke collection box 8 away from the smoke alarm 1. A collection bucket 12 is set below the fixed sleeve 25. The top inlet of the collection bucket 12 is threaded into the inside of the fixed sleeve 25. The bottom surface of the smoke collection box 8 at the top of the fixed sleeve 25 has a through hole that matches the inlet of the collection bucket 12, so that the filtered dust can fall into the collection bucket 12. This facilitates the handling and collection of dust in the smoke during the control process. The filter combination plate 22 is located inside the smoke collection box 8 between the fixed sleeve 25 and the fan 9.

[0036] Specifically, the smoke collection box 8 has an air inlet 24 on the side near the smoke alarm 1. The top of the air inlet 24 is arc-shaped to cooperate with the connecting collar 26. The smoke collection box 8 below the smoke alarm 1 is inclined downward towards the fan 9. The side wall of the smoke collection box 8 has a slot that cooperates with the filter combination plate 22. The filter combination plate 22 includes a filter screen and an activated carbon filter plate, which are arranged from the smoke alarm 1 side to the fan 9 side. A fixing plate 11 is fixed to one end of the filter combination plate 22 extending to the outside of the smoke collection box 8. The fixing plate 11 is fixed to the smoke collection box 8 by bolts. The filter combination plate 22 facilitates the purification of flue gas and allows particles in the explosion smoke to slide into the collection bucket 12.

[0037] As a further optimization scheme, such as Figure 5 As shown, a cleaning scraper 21 is fitted to the outside of the smoke inlet 2. The top of the cleaning scraper 21 is fixed to the inner wall of the rotating sleeve 20. The rotating sleeve 20 is rotatably connected to the top and bottom surface of the smoke alarm 1 inside the protective cover 3 via a bearing. A toothed ring 29 is fixed to the outer surface of the rotating sleeve 20. A toothed ring 18 is meshed on the side of the toothed ring 29. A bevel gear 27 is fixed to the top of the toothed ring 18. The top of the bevel gear 217 is rotatably connected to the top and bottom surface of the smoke alarm 1 via a bearing. A rotating rod 13 is meshed on the side of the bevel gear 21. A pulley 14 is fixed to one end of the rotating rod 13 extending to the outside of the protective cover 3 and to the fan blade shaft inside the fan 9. The two pulleys 14 are connected by a high-temperature resistant belt 15, so that the cleaning scraper 21 is connected to the fan blade inside the fan 9.

[0038] Specifically, the cleaning scraper 21 is designed to be bent to cooperate with the smoke alarm 1 and the smoke inlet 2, so that when the cleaning scraper 21 rotates, it can scrape the surface of the smoke inlet 2 and remove the dust on the surface of the smoke inlet 2, so as to avoid the smoke alarm being affected by the blockage of the smoke inlet 2. The rotating rod 13 is rotatably connected to the support plate 23 near the outer surface of the fan 9 through the bearing. The bottom surface of the support plate 23 is fixed to the top surface of the smoke and dust collection box 8. The top of the fan 9 has a slot for cooperating with the high temperature resistant belt 15. The diameter of the toothed ring 2 19 is larger than the diameter of the toothed ring 18.

[0039] Working principle: When using the smoke control device, first fix the smoke alarm 1, the smoke collection box 8, and the fan 9 to the mine wall. At this time, the rotating sealing plate 6 is offset from the fixed sealing plate 4, the smoke inlet 2 is in the open state, and the fan 9 is in the closed state. When smoke is generated inside the mine, the smoke enters the protective cover 3 through the air inlet 24 and enters the smoke alarm 1 through the smoke inlet 2. The identification structure inside the smoke alarm 1 identifies the type of smoke and sounds an alarm. Then, the servo motor 7 drives the rotating sealing plate 6 to rotate. Rotate the fan until it is misaligned with the fixed sealing plate 4, sealing the gap in the fixed sealing plate 4, thus keeping the inside of the protective cover 3 sealed. When the smoke detector 1 detects smoke that is not fire smoke but dust, the fan 9 operates, drawing the dust into the dust collection box 8 through the air inlet 24. After being filtered by the filter combination plate 22, the dust is discharged from the air outlet of the fan 9. The dust produced after filtration by the filter combination plate 22 falls into the collection bucket 12 under its own gravity, completing the collection. When there is a lot of dust collected in the collection bucket 12, rotate the fan 9 to collect the dust. Collector 12: Separate collector 12 from fixed sleeve 25 to remove collector 12. Empty the dust inside, then screw collector 12 into fixed sleeve 25. When fan 9 is running, it drives pulley 14 on shaft to rotate. Pulley 14 drives pulley 14 on rotating rod 13 to rotate via high-temperature belt 15, thus driving rotating rod 13 to rotate. Rotating rod 13 drives bevel gear 17 via bevel gear 16, bevel gear 17 drives gear ring 18 to rotate, and gear ring 18 drives its meshing... The toothed ring 19 rotates, thereby driving the rotating sleeve 20 to rotate. This causes the cleaning scraper 21 inside the rotating sleeve 20 to move in a circle along the smoke alarm 1, scraping away the dust on the surface of the smoke inlet 2. The dust falls into the interior of the fixed sealing plate 4 and the rotating sealing plate 6. When the rotating sealing plate 6 is opened again, due to the close fit design of the fixed sealing plate 4 and the rotating sealing plate 6, the bottom of the fixed sealing plate 4 scrapes away the dust on the top surface of the rotating sealing plate 6 during the rotation of the rotating sealing plate 6. The dust falls into the interior of the smoke and dust collection box 8 and slides along the bottom of the smoke and dust collection box 8 into the collection bucket 12.

[0040] It will be apparent to those skilled in the art that this application is not limited to the details of the exemplary embodiments described above, and that this application can be implemented in other specific forms without departing from the spirit or essential characteristics of this application. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this application is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of the equivalent elements of the claims are intended to be included within this application. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0041] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A mine-use intrinsically safe smoke control device, characterized in that: Includes a smoke alarm (1) and a smoke inlet (2). A protective cover (3) is fitted on the outside of the smoke inlet (2). The top of the protective cover (3) is fixed to the top bottom surface of the smoke alarm (1). A support cover (5) is fixed at the center of the bottom of the smoke alarm (1). Several fixed sealing plates (4) are fixed on the lower part of the outer surface of the support cover (5). The outer surface of each fixed sealing plate (4) is fixed on the inner wall of the protective cover (3). Several rotating sealing plates (6) are provided at the bottom of the fixed sealing plate (4). A dust collection box (8) is provided below the rotating sealing plate (6). A fan (9) is provided at the end of the dust collection box (8) away from the smoke alarm (1). The air inlet of the fan (9) is connected to the inside of the dust collection box (8). A detachable filter assembly plate (22) is inserted inside the dust collection box (8) on the side of the fan (9).

2. The intrinsically safe smoke control device for mining as described in claim 1, characterized in that: A cleaning scraper (21) is fitted to the outside of the smoke inlet (2). The top of the cleaning scraper (21) is fixed to the inner wall of the rotating sleeve (20). The rotating sleeve (20) is rotatably connected to the top and bottom surface of the smoke alarm (1) inside the protective cover (3) through a bearing.

3. The intrinsically safe smoke control device for mining according to claim 1, characterized in that: The outer surface of the rotating sealing plate (6) is fixed inside the connecting collar (26), and the connecting collar (26) is rotatably sleeved on the lower part of the protective cover (3). The fixed sealing plate (4) and the rotating sealing plate (6) are set as a fan shape with the same arc. The arc of the gap between two adjacent fixed sealing plates (4) is smaller than the arc of the rotating sealing plate (6).

4. The intrinsically safe smoke control device for mining according to claim 1, characterized in that: The top surfaces of the dust collection box (8) and the fan (9) are both equipped with a fixing frame (10). The top surface of the fixing frame (10) is flush with the top surface of the smoke alarm (1). The air outlet of the fan (9) away from the dust collection box (8) is equipped with a protective net. The fan blades inside the fan (9) are fixedly connected to the output end of the fan motor through a rotating shaft.

5. The intrinsically safe smoke control device for mining according to claim 1, characterized in that: The bottom of the smoke and dust collection box (8) away from the smoke alarm (1) is fixed with a fixed sleeve (25), and a collection bucket (12) is provided below the fixed sleeve (25). The top inlet thread of the collection bucket (12) is threaded into the fixed sleeve (25).

6. The intrinsically safe smoke control device for mining according to claim 3, characterized in that: The smoke collection box (8) has an air inlet (24) on the side near the smoke alarm (1). The top of the air inlet (24) is set to be arc-shaped to cooperate with the connecting collar (26). The smoke collection box (8) below the smoke alarm (1) is set to be inclined downward toward the fan (9).

7. The intrinsically safe smoke control device for mining according to claim 2, characterized in that: The side wall of the dust collection box (8) is provided with a slot that cooperates with the filter assembly plate (22). The filter assembly plate (22) includes a filter screen and an activated carbon filter plate, which are arranged from the smoke alarm (1) side to the fan (9) side. A fixing plate (11) is fixed to one end of the filter assembly plate (22) extending to the outside of the dust collection box (8). The fixing plate (11) is fixed to the dust collection box (8) by bolts.

8. The intrinsically safe smoke control device for mining according to claim 2, characterized in that: The outer surface of the rotating sleeve (20) is fixed with a toothed ring two (19), and a toothed ring one (18) is meshed on the side of the toothed ring two (19). A bevel gear two (17) is fixed on the top of the toothed ring one (18). The top of the bevel gear two (17) is rotatably connected to the bottom surface of the smoke alarm (1) through a bearing. A rotating rod (13) is meshed on the side of the bevel gear two (17). A pulley (14) is fixed on one end of the rotating rod (13) extending to the outside of the protective cover (3) and on the fan blade shaft inside the fan (9). The two pulleys (14) are connected by a high-temperature resistant belt (15).

9. The intrinsically safe smoke control device for mining according to claim 8, characterized in that: The cleaning scraper (21) is configured to be bent to cooperate with the smoke alarm (1) and the smoke inlet (2). The rotating rod (13) is connected to the support plate (23) via a bearing on the outer surface of the fan (9). The bottom surface of the support plate (23) is fixed to the top surface of the dust collection box (8). The top of the fan (9) is provided with a slot to cooperate with the high temperature belt (15). The diameter of the second toothed ring (19) is larger than the diameter of the first toothed ring (18).

10. The intrinsically safe smoke control device for mining according to claim 5, characterized in that: The bottom surface of the dust collection box (8) at the top of the fixed sleeve (25) is provided with a through hole that matches the inlet of the collection bucket (12). The filter combination plate (22) is located inside the dust collection box (8) between the fixed sleeve (25) and the fan (9).

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