Fire alarm spraying device of coal conveying belt

Abstract

The utility model discloses a fire-fighting alarm spraying device of a coal conveying belt, which comprises an equipment frame body, a deluge system main pipeline, a deluge alarm valve, a first signal butterfly valve and a second signal butterfly valve, the deluge system main pipeline is arranged on the side part of the equipment frame body, the deluge alarm valve is arranged on the deluge system main pipeline, and the first signal butterfly valve is arranged on the deluge system main pipeline. The first signal butterfly valve and the second signal butterfly valve are correspondingly installed at the two ends of the deluge alarm valve. A movable supporting seat is rotationally arranged at the top end of the equipment frame body, a spraying pipe is arranged on one side of the movable supporting seat, a plurality of spraying heads are arranged on the spraying pipe at equal intervals, and the deluge system main pipeline is communicated with the spraying heads through the spraying pipe. The automatic fire extinguishing device has an automatic fire extinguishing function, the fireproof performance of fire-fighting equipment of a coal conveying and unloading system is greatly improved, the automatic fire-fighting function is perfected, and fire-fighting safety is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coal conveyor belt fire protection, in particular to a fire protection alarm sprinkler device for a coal conveyor belt. Background Art

[0002] Coal conveyor belts are a commonly used type of transportation equipment in coal mine production, used to transport coal out of the mine. Since coal is a flammable substance, especially high-sulfur coal and lignite are prone to spontaneous combustion. Once spontaneous combustion occurs, it is easy to cause a fire accident. During long-term use, the coal conveyor belt will generate a large amount of heat energy due to the friction between the coal and the conveying equipment. If the heat cannot be dissipated in time, the surface temperature of the coal conveyor belt will rise, thereby increasing the risk of fire. During the use of the coal conveyor belt, there are safety hazards of fire accidents, so it is of great significance to prevent the occurrence of fire accidents.

[0003] The existing 330MW coal conveyor belt fire deluge alarm system, constructed long ago, currently consists solely of wet fire water piping, partially constructed deluge fire water piping, temperature-sensing optical cables, and on-site manual alarms. The firefighting facilities lack a deluge valve block and lack the ability to automatically activate open-type fire extinguishing devices. Furthermore, the firefighting system currently only provides a temperature-sensing optical cable alarm at the fire site, glass bulb melt extinguishing, and on-site manual alarms, failing to meet the requirements of coal conveyor belt applications. Utility Model Content

[0004] The purpose of the utility model is to provide a fire alarm sprinkler device for a coal conveyor belt to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A fire alarm sprinkler device for a coal conveyor belt comprises an equipment frame, a deluge system main pipeline, a deluge alarm valve, a first signal butterfly valve, and a second signal butterfly valve. The deluge system main pipeline is arranged on the side of the equipment frame, the deluge alarm valve is installed on the deluge system main pipeline, and the first signal butterfly valve and the second signal butterfly valve are installed at both ends of the deluge alarm valve respectively.

[0007] A movable support base is rotatably mounted on the top of the equipment frame, a spray pipe is provided on one side of the movable support base, and a plurality of sprinkler heads are provided on the sprinkler pipe at equal intervals, and the main pipeline of the rain sprinkler system is connected to the sprinkler head through the sprinkler pipe;

[0008] An audible and visual alarm and a controller chassis are respectively arranged on the equipment frame, a monitoring device is arranged in the controller chassis, and a camera is installed on the outer wall of the equipment frame above the controller chassis; the monitoring device is electrically connected to the audible and visual alarm.

[0009] It is further defined that the main pipeline of the sprinkler system is connected to the equipment frame through a clamp.

[0010] It is further defined that a pressure measuring tube is connected to the main pipeline of the deluge system on one side of the deluge alarm valve, and the pressure measuring tube is a U-shaped structure, a lower cavity pressure gauge is provided at the lower part of the pressure measuring tube, and an upper cavity pressure gauge is provided at the upper part of the pressure measuring tube.

[0011] It is further defined that a driving slot is provided on the equipment frame below the movable support seat, and a reduction motor is installed inside the driving slot, and the output end of the reduction motor is fixedly connected to the movable support seat.

[0012] It is further defined that a pull rod is fixed to the top end of the movable support seat, and one end of the pull rod is connected to an end of the spray pipe away from the movable support seat.

[0013] It is further defined that one end of the spray pipe passes through the movable support seat and is connected to the main pipeline of the rain shower system through a threaded telescopic pipe.

[0014] It is further defined that a single chip microcomputer is also provided in the controller chassis; the single chip microcomputer is electrically connected to the first signal butterfly valve, the second signal butterfly valve, the reduction motor, the camera and the monitoring equipment respectively.

[0015] It is further defined that the monitoring device is a light sensor, a heat sensor or a smoke sensor.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. In this utility model, a deluge alarm valve is installed on the main pipeline of the deluge system, and a first signal butterfly valve and a second signal butterfly valve are installed on both sides of the deluge alarm valve. The monitoring equipment monitors the fire situation. When a fire is detected, the sound and light alarm is controlled to operate and sound an alarm. At the same time, the main pipeline of the deluge system is controlled to open, and water enters the sprinkler pipe from the main pipeline of the deluge system and is sprayed out through the nozzle to extinguish the fire. The camera monitors the status of the nozzle when it is opened to ensure that the nozzle is working properly. This utility model has an automatic fire extinguishing function, greatly improving the fire protection performance of the fire protection facilities of the coal handling system, improving the automatic fire protection function, and ensuring fire safety. At the same time, the fire alarm sprinkler device provided by this utility model complies with the current fire protection facility construction standards and can be widely promoted and used.

[0018] 2. In this utility model, a drive slot is provided on the equipment frame below the movable support base. A reduction motor is installed within the drive slot, and the output end of the reduction motor is fixedly connected to the movable support base. A pull rod is fixed to the top of the movable support base, one end of which is connected to the end of the spray pipe away from the movable support base. The reduction motor drives the movable support base to rotate back and forth, which in turn drives the spray pipe to swing. The sprinkler head swings synchronously with the spray pipe, thus achieving a dynamic spraying function, expanding the spraying range, and improving fire extinguishing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the enlarged structure of the rain alarm valve of the utility model;

[0021] Figure 3 For the utility model Figure 1 A in the middle is an enlarged structural diagram;

[0022] In the figure: 1. Equipment frame; 2. Main pipeline of deluge system; 3. Deluge alarm valve; 4. Clamp; 5. Movable support seat; 6. Pull rod; 7. Spray pipe; 8. Spray nozzle; 9. Controller chassis; 10. First signal butterfly valve; 11. Second signal butterfly valve; 12. Pressure measuring tube; 13. Lower chamber pressure gauge; 14. Upper chamber pressure gauge; 15. Sound and light alarm; 16. Drive slot; 17. Reducer motor; 18. Threaded telescopic tube; 19. Camera. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] Example 1

[0026] See also Figure 1-Figure 3This embodiment provides a fire alarm sprinkler device for a coal conveyor belt, including an equipment frame 1, a deluge system main pipeline 2, a deluge alarm valve 3, a first signal butterfly valve 10 and a second signal butterfly valve 11.

[0027] See also Figure 2 The main pipeline 2 of the deluge system is arranged on one side of the equipment frame 1, the deluge alarm valve 3 is installed on the main pipeline 2 of the deluge system, the first signal butterfly valve 10 and the second signal butterfly valve 11 are respectively installed at both ends of the deluge alarm valve 3, and a movable support seat 5 is rotatably installed on the top of the equipment frame 1. A spray pipe 7 is provided on one side of the movable support seat 5, and a plurality of sprinkler heads 8 with equal intervals are installed at the bottom end of the spray pipe 7.

[0028] In this embodiment, the top and bottom of the main pipe 2 of the deluge system are connected to the equipment frame 1 through clamps 4 to ensure the stability of the device connection.

[0029] In this embodiment, the equipment frame 1 is used to be arranged around the coal conveyor belt, and spray water is provided to the coal conveyor belt through the main pipeline 2 of the rain sprinkler system, and is sprayed out through the spray pipe 7 and the nozzle 8.

[0030] See also Figure 2 In this embodiment, a pressure measuring tube 12 is connected to the main pipeline 2 of the deluge system on one side of the deluge alarm valve 3. The pressure measuring tube 12 is a U-shaped tube, and a lower cavity pressure gauge 13 is provided at the lower part of the pressure measuring tube 12, and an upper cavity pressure gauge 14 is provided at the upper part of the pressure measuring tube 12, which is used to monitor the pressure of the water in the main pipeline 2 of the deluge system to ensure that the water pressure sprayed by the sprinkler 8 can meet the fire extinguishing requirements.

[0031] Specifically, the main pipeline 2 of the deluge system is placed vertically, the deluge alarm valve 3 is installed on the main pipeline 2 of the deluge system, a first signal butterfly valve 10 is arranged at the upper end of the deluge alarm valve 3, and a second signal butterfly valve 11 is arranged at the lower end of the deluge alarm valve 3. The pressure measuring tube 12 is placed outside the deluge alarm valve 3 and is located between the first signal butterfly valve 10 and the second signal butterfly valve 11. The ports of the pressure measuring tube 12 are respectively connected to the side walls of the main pipeline 2 of the deluge system, a lower cavity pressure gauge 13 is arranged on the lower side wall of the pressure measuring tube 12, and an upper cavity pressure gauge 14 is arranged on the upper side wall of the pressure measuring tube 12.

[0032] In this embodiment, a driving slot 16 is provided on the top of the equipment frame 1 below the movable support base 5 , and a reduction motor 17 is installed inside the driving slot 16 , and an output end of the reduction motor 17 is connected to the movable support base 5 .

[0033] See also Figure 3 Furthermore, a pull rod 6 is fixed at the top of the movable support seat 5, and one end of the pull rod 6 is connected to the end of the spray pipe 7 away from the movable support seat 5; one end of the spray pipe 7 passes through the movable support seat 5 and is connected to the main pipe 2 of the rain shower system through a threaded telescopic tube 18.

[0034] In this embodiment, a controller chassis 9 is mounted on the top outer wall of the equipment frame 1. A single-chip microcomputer is installed inside the controller chassis 9. A monitoring device is installed inside the controller chassis 9 below the single-chip microcomputer. A camera 19 is mounted on the outer wall of the equipment frame 1 above the controller chassis 9. An audible and visual alarm 15 is mounted on the outer wall of the equipment frame 1 on one side of the controller chassis 9.

[0035] During implementation, the single chip microcomputer is electrically connected to the first signal butterfly valve 10, the second signal butterfly valve 11 and the monitoring device, and is also electrically connected to the reduction motor 17. The sound and light alarm 15 is electrically connected to the monitoring device.

[0036] Specifically, the fire alarm sprinkler device provided in this embodiment includes an equipment frame 1, a deluge system main pipeline 2, a deluge alarm valve 3 and a sprinkler pipe 7. The fire alarm sprinkler devices are respectively installed at the head and tail of the coal conveyor belt or near the coal transfer station pipeline. The opening and closing of the deluge system main pipeline 2 are controlled by monitoring the fire situation. The opening state of the deluge system main pipeline 2 is monitored by a monitoring device. The monitoring device can be a light sensor, a heat sensor or a smoke sensor. When the monitoring device detects a fire, the single-chip microcomputer inside the controller chassis 9 controls the sound and light alarm 15 to work and alarm. At the same time, the single-chip microcomputer controls the first signal butterfly valve 10 and the second signal butterfly valve 11 to open, and then opens the deluge alarm valve 3, so that the deluge system main pipeline 2 is opened, and water enters the sprinkler pipe 7 from the deluge system main pipeline 2 and is sprayed out through the nozzle 8 to extinguish the fire.

[0037] In this embodiment, the camera 19 monitors the status of the nozzle 8 when it is turned on to ensure that the nozzle 8 operates normally.

[0038] Specifically, the single chip microcomputer controls the reduction motor 17 to drive the movable support base 5 to rotate back and forth, and the movable support base 5 drives the sprinkler pipe 7 to swing, thereby realizing the dynamic sprinkler function, expanding the sprinkler range, and improving the fire extinguishing efficiency.

[0039] When this embodiment is in use: by setting fire alarm sprinkler devices at the head and tail of the coal conveyor belt and near the transfer station pipeline, and fixing the deluge system main pipeline 2 through the equipment frame 1, a deluge alarm valve 3 is installed on the deluge system main pipeline 2, and a first signal butterfly valve 10 and a second signal butterfly valve 11 are installed on both sides of the deluge alarm valve 3 respectively to control the opening and closing of the deluge system main pipeline 2, wherein the opening state of the deluge system main pipeline 2 is monitored by a monitoring device, which can be a light sensor, a heat sensor or a smoke sensor, and at the same time transmits the monitored fire signal to the single-chip microcomputer; when a fire is detected, the single-chip microcomputer inside the controller chassis 9 controls the sound and light alarm 15 to work The alarm is sounded. At the same time, the single chip microcomputer controls the first signal butterfly valve 10 and the second signal butterfly valve 11 to open, that is, the deluge alarm valve 3 is opened, the deluge system main pipe 2 is opened, and water enters the sprinkler pipe 7 from the deluge system main pipe 2 and is sprayed out through the sprinkler head 8 to extinguish the fire. The camera 19 monitors the status of the sprinkler head 8 when it is turned on. During the fire extinguishing, the real-time fire spraying situation collected by the camera 19 can also be controlled by the single chip microcomputer to work. The deceleration motor 17 drives the movable support seat 5 to rotate back and forth, and the movable support seat 5 drives the sprinkler pipe 7 to swing. The sprinkler head 8 swings synchronously with the sprinkler pipe 7, thereby realizing the function of dynamic spraying, expanding the spraying range, and improving the fire extinguishing efficiency.

[0040] The fire alarm sprinkler device provided in this embodiment has a relatively short installation period, does not affect the loading and unloading, transportation and other work of incoming coal, complies with the current fire protection facility construction specifications, has an automatic fire extinguishing function, greatly improves the fire protection performance of the fire protection facilities of the coal transportation and unloading system, improves the automatic fire protection function, and ensures fire safety.

[0041] It should be noted that, in the present invention, the single chip microcomputer is an existing conventional commercially available device, model 51 single chip microcomputer or STM32 single chip microcomputer.

[0042] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

Claims

1. A fire alarm sprinkler device for a coal conveyor belt, characterized in that: The device comprises an equipment frame (1), a deluge system main pipeline (2), a deluge alarm valve (3), a first signal butterfly valve (10), and a second signal butterfly valve (11); the deluge system main pipeline (2) is arranged on the side of the equipment frame (1); the deluge alarm valve (3) is installed on the deluge system main pipeline (2); and the first signal butterfly valve (10) and the second signal butterfly valve (11) are correspondingly installed at both ends of the deluge alarm valve (3); A movable support seat (5) is rotatably mounted on the top of the equipment frame (1); a spray pipe (7) is provided on one side of the movable support seat (5); and a plurality of spray heads (8) are provided on the spray pipe (7) at equal intervals; the main pipeline (2) of the shower system is connected to the spray head (8) through the spray pipe (7); An audible and visual alarm (15) and a controller chassis (9) are respectively arranged on the equipment frame (1), a monitoring device is arranged in the controller chassis (9), and a camera (19) is installed on the outer wall of the equipment frame (1) above the controller chassis (9); the monitoring device is electrically connected to the audible and visual alarm (15).

2. The fire alarm sprinkler device for the coal conveyor belt according to claim 1, characterized in that: The main pipeline (2) of the shower system is connected to the equipment frame (1) via a clamp (4).

3. The fire alarm sprinkler device for the coal conveyor belt according to claim 1 is characterized in that: A pressure measuring tube (12) is connected to the deluge system main pipe (2) on one side of the deluge alarm valve (3), and the pressure measuring tube (12) is a U-shaped structure. A lower cavity pressure gauge (13) is provided at the lower part of the pressure measuring tube (12), and an upper cavity pressure gauge (14) is provided at the upper part of the pressure measuring tube (12).

4. The fire alarm sprinkler device for the coal conveyor belt according to claim 1 is characterized in that: A driving slot (16) is provided on the equipment frame (1) below the movable support seat (5), and a reduction motor (17) is installed inside the driving slot (16), and the output end of the reduction motor (17) is fixedly connected to the movable support seat (5).

5. The fire alarm sprinkler device for the coal conveyor belt according to claim 4, characterized in that: A pull rod (6) is fixed to the top end of the movable support seat (5), and one end of the pull rod (6) is connected to an end of the spray pipe (7) away from the movable support seat (5).

6. The fire alarm sprinkler device for the coal conveyor belt according to claim 5, characterized in that: One end of the spray pipe (7) passes through the movable support seat (5) and is connected to the main pipeline (2) of the shower system through a threaded telescopic pipe (18).

7. The fire alarm sprinkler device for the coal conveyor belt according to claim 6, characterized in that: A single-chip microcomputer is also provided in the controller chassis (9); the single-chip microcomputer is electrically connected to the first signal butterfly valve (10), the second signal butterfly valve (11), the reduction motor (17), the camera (19) and the monitoring equipment respectively.

8. The fire alarm sprinkler device for the coal conveyor belt according to claim 7, characterized in that: The monitoring device is a light sensor, a heat sensor or a smoke sensor.

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