Fire monitor fire extinguishing system for liquid ammonia tank

Abstract

The invention relates to a liquid ammonia tank fire fighting system, in particular to a liquid ammonia tank fire monitor fire extinguishing system which comprises a fire fighting pipe network, a pipeline filter, a remote electric control valve, a fire monitor operation platform, a remote control fire monitor, a control box, a video monitoring camera, a video monitoring display screen, a fire fighting centralized control cabinet, an ammonia tank cofferdam and a horizontal ammonia tank. A remote control fire monitor is mounted on the fire monitor operating platform and comprises a first mounting frame, a rotating rod is mounted at the upper end of the first mounting frame, connecting columns are mounted at the two ends of the rotating rod, the tops of the connecting columns are connected with a gun barrel body through mounting bases, a mounting part is mounted in the gun barrel body, and an annular connecting pipe and an atomizing nozzle are mounted at the inner end of the mounting part. According to the liquid ammonia tank, rapid fire extinguishing treatment and leaked ammonia gas dilution treatment can be effectively and conveniently carried out in all directions of the liquid ammonia tank, and therefore safe storage treatment of the liquid ammonia tank can be conveniently carried out.

Description

Technical Field

[0001] The invention relates to a liquid ammonia tank fire fighting system, in particular to a fire fighting cannon fire fighting system for a liquid ammonia tank. Background Art

[0002] Liquid ammonia is classified as a hazardous chemical. Liquid ammonia storage tanks are subject to key supervision as a major hazard source, because leakage can cause poisoning of personnel and form explosive gas that can burn and explode when exposed to fire. Its safe and stable operation and timely and effective handling of initial leakage accidents are not only related to the safety of the company's personnel and property, but also to the safety of personnel and property of surrounding companies, and even affect the stability of the entire society. Therefore, the safe operation of liquid ammonia storage tanks is of great significance.

[0003] The existing liquid ammonia storage tanks are equipped with automatic sprinklers on the top. First, they can prevent solar radiation. When the temperature of the storage tank is too high, water will be automatically sprinkled to reduce the temperature of the tank. Second, they can absorb ammonia. When there is a leak of liquid ammonia, the automatic sprinkler can be activated to absorb liquid ammonia and ammonia gas to control ammonia pollution. However, the above design cannot achieve all-round water spraying of liquid ammonia tanks. If it is not effectively controlled in time, it will inevitably cause a larger explosion accident, which will cause devastating damage to rescue workers. Summary of the invention

[0004] The object of the present invention is to provide a fire cannon fire extinguishing system for liquid ammonia tanks to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A fire cannon fire extinguishing system for a liquid ammonia tank, comprising a fire pipe network, a pipe filter, a remote electric control valve, a fire cannon operating platform, a remote-controlled fire cannon, a control box, a video surveillance camera, a video surveillance display screen, a fire centralized control cabinet, an ammonia tank cofferdam and a horizontal ammonia tank, wherein the horizontal ammonia tanks are arranged on the ammonia tank cofferdam at equal intervals; the fire cannon operating platform is symmetrically installed on the side corners of the ammonia tank cofferdam, and a remote-controlled fire cannon is installed on the fire cannon operating platform, and the remote-controlled fire cannon comprises a first mounting frame, and mounting components mounted on the fire cannon operating platform are arranged at the four corners of the bottom of the first mounting frame, a rotating rod is rotatably installed on the upper end of the first mounting frame, a sealing cover is fixedly arranged on the outer wall of the first mounting frame, and a rotating drive component for driving the rotating rod to rotate is installed on the first mounting frame located on the inner side of the sealing cover; the rotating rod is fixedly installed at both ends There is a connecting column, the top of the connecting column is connected to the barrel body through a mounting seat, and an exhaust component for exhausting the end of the barrel body is installed on the mounting seat; a number of mounting parts are fixedly installed at equal intervals inside the barrel body, an annular connecting pipe is fixedly installed on the inner end of the mounting part, and a number of atomizing nozzles are arranged at equal intervals on the inner end of the annular connecting pipe, and the water inlet pipe on the top of the annular connecting pipe is connected to the water supply pipe, and the water supply pipe is connected to the fire-fighting pipe network; a video surveillance camera for real-time monitoring of the horizontal ammonia tank is installed at one corner of the ammonia tank cofferdam; a control box for on-site control of the remote-controlled fire cannon is installed on the outside of the ammonia tank cofferdam; the video surveillance display screen is used to control the operation of the video surveillance camera through wireless signals; the fire centralized control cabinet is used to control the control box and the remote-controlled fire cannon through wireless signals.

[0006] Preferably, the rotation drive assembly includes a driving part fixedly connected to the inner wall of the first installation frame, a driving gear is arranged on the output shaft of the driving part, a driven gear is meshedly connected to the driving gear, and the driven gear is connected to the rotating rod.

[0007] Preferably, a remote controller is installed on the sealing cover.

[0008] Preferably, the exhaust assembly comprises an exhaust pump fixedly connected to the mounting seat, an exhaust pipe is provided at the end of the exhaust pump, and the exhaust pipe passes through the barrel body and is connected to the exhaust hood.

[0009] Preferably, a pipeline filter and a remote electric control valve are installed on the water inlet pipe, and the remote electric control valve is arranged on the water inlet pipe close to the side of the remote-controlled fire cannon.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes remote control of the radio frequency monitoring camera through the video monitoring display screen to realize monitoring and processing of the horizontal ammonia tank arranged on the ammonia tank cofferdam, and can conveniently observe the fire monitor to perform fire extinguishing and ammonia water spray dilution processing on the horizontal ammonia tank arranged on the ammonia tank cofferdam, so as to facilitate the fire fighting of the liquid ammonia tank; the present invention works through the fire centralized control cabinet without controlling the control box and the remote control fire monitor, so that the remote control fire monitor can be controlled to quickly extinguish the horizontal ammonia tank on fire, and after the fire is extinguished, it continues to serve as the task of diluting ammonia to reduce the ammonia concentration until the leakage point is handled, so as to provide the greatest life safety guarantee for the rescue personnel; the present invention drives the rotating rod to rotate through the rotating drive component, and the rotating rod drives the mounting seat to adjust the rotational position through the connecting column, and the mounting seat synchronously drives the barrel body to adjust the angle, so that the angle of the barrel body can be adjusted, and it is convenient to perform atomization water spraying fire extinguishing processing on each direction of the horizontal ammonia tanks installed at equal intervals on the ammonia tank cofferdam, and the ammonia concentration can be reduced until the leakage point is handled, so as to provide the greatest life safety guarantee for the rescue personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The present invention is a system connection diagram of a fire monitor fire extinguishing system for a liquid ammonia tank.

[0012] Figure 2 The present invention is a schematic diagram of the top structure of a remote-controlled fire monitor in a fire monitor fire extinguishing system for a liquid ammonia tank.

[0013] Figure 3 The present invention is a schematic diagram of the upward structure of a remote-controlled fire monitor in a fire monitor fire extinguishing system for a liquid ammonia tank.

[0014] Figure 4 It is a right side sectional view of a remote-controlled fire cannon in a fire cannon fire extinguishing system for a liquid ammonia tank according to the present invention.

[0015] Figure 5 It is a front sectional view of a remote-controlled fire cannon in a fire cannon fire extinguishing system for a liquid ammonia tank according to the present invention.

[0016] 1. Fire-fighting pipe network; 2. Pipeline filter; 3. Remote electric control valve; 4. Fire-fighting cannon operating platform; 5. Remote control fire-fighting cannon; 6. Control box; 7. Video surveillance camera; 8. Video surveillance display screen; 9. Fire-fighting centralized control cabinet; 10. Ammonia tank cofferdam; 11. Horizontal ammonia tank; 51. First installation frame; 52. Installation assembly; 521. Second installation frame; 522. Installation bolt; 53. Rotating rod; 54. Rotating drive assembly; 541. Drive unit; 542. Driving gear; 543. Driven gear; 55. Sealing cover; 56. Remote controller; 57. Connecting column; 58. Mounting seat; 59. Cannon barrel body; 510. Exhaust assembly; 5101. Exhaust pump; 5102. Exhaust pipe; 5103. Exhaust hood; 511. Mounting piece; 512. Ring connecting pipe; 513. Atomizing nozzle; 514. Water supply pipe; 515. Water inlet pipe. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the embodiments of the present invention, many technical details are provided to enable the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the present application can be implemented.

[0019] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0020] See also Figure 1-5In an embodiment of the present invention, a fire monitor fire extinguishing system for a liquid ammonia tank includes a fire pipe network 1, a pipeline filter 2, a remote electric control valve 3, a fire monitor operating platform 4, a remote control fire monitor 5, a control box 6, a video surveillance camera 7, a video surveillance display screen 8, a fire centralized control cabinet 9, an ammonia tank cofferdam 10 and a horizontal ammonia tank 11, wherein the horizontal ammonia tank 11 is arranged on the ammonia tank cofferdam 10 at equal intervals; the fire monitor operating platform 4 is symmetrically installed on the side corners of the ammonia tank cofferdam 10, and a remote control fire monitor 5 is installed on the fire monitor operating platform 4, and the remote control fire monitor 5 includes a first installation frame 51, and the four corners of the bottom of the first installation frame 51 are provided with installation components 52 installed with the fire monitor operating platform 4, a rotating rod 53 is rotatably installed on the upper end of the first installation frame 51, a sealing cover 55 is fixedly provided on the outer wall of the first installation frame 51, and a rotating drive component 54 for driving the rotating rod 53 to rotate is installed on the first installation frame 51 located inside the sealing cover 55; the rotating rod 53 is fixedly installed at both ends A connecting column 57, the top of which is connected to a barrel body 59 through a mounting seat 58, on which an exhaust assembly 510 for exhausting the end of the barrel body 59 is mounted; a plurality of mounting members 511 are fixedly mounted at equal intervals inside the barrel body 59, an annular connecting pipe 512 is fixedly mounted at the inner end of the mounting member 511, and a plurality of atomizing nozzles 513 are arranged at equal intervals at the inner end of the annular connecting pipe 512, a water inlet pipe 515 at the top of the annular connecting pipe 512 is connected to a water supply pipe 514, and the water supply pipe 514 is connected to a fire fighting pipe network 1; a video surveillance camera 7 for real-time monitoring of a horizontal ammonia tank 11 is mounted at one corner of the ammonia tank cofferdam 10; a control box 6 for on-site control of a remote-controlled fire cannon 5 is mounted outside the ammonia tank cofferdam 10; the video surveillance display screen 8 is used to control the operation of the video surveillance camera 7 through wireless signals; the fire centralized control cabinet 9 is used to control the operation of the control box 6 and the remote-controlled fire cannon 5 through wireless signals.

[0021] The present invention places the fire monitor operation platform 4 and the remote control fire monitor 5 at the two corners of the ammonia tank cofferdam 10, cooperates with the video monitoring camera 7 set at one corner to monitor the horizontal ammonia tanks 11 installed at equal intervals on the ammonia tank cofferdam 10, drives the rotating rod 53 to rotate through the rotating drive component 54, and drives the mounting seat 58 to adjust the rotational position through the connecting column 57. The mounting seat 58 synchronously drives the barrel body 59 to adjust the angle, and the aqueous solution is passed through the water inlet pipe 51 through the fire pipe network 1. 5 and the water supply pipe 514 realize the supply of liquid to the annular connecting pipe 512, and the atomizing nozzles 513 with equal intervals on the annular connecting pipe 512 realize the water spraying treatment inside the barrel body 59, and cooperate with the exhaust assembly 510 to spray the atomized water mist to the horizontal ammonia tank 11 stored on the ammonia tank cofferdam 10 to realize the rapid fire extinguishing treatment of the horizontal ammonia tank 11 that has caught fire, and continue to play the task of diluting ammonia gas after the fire is extinguished, reducing the ammonia concentration until the leakage point is handled, giving the rescue personnel the greatest life safety protection.

[0022] See also Figure 3 In one embodiment of the invention, the mounting assembly 52 includes a second mounting frame 521 fixedly connected to the four corners of the bottom of the first mounting frame 51, and the second mounting frame 521 is threadedly connected with mounting bolts 522. By manually rotating the mounting bolts 522 to be threadedly connected to the fire monitor operating platform 4, the second mounting frame 521 and the fire monitor operating platform 4 can be fixedly installed.

[0023] See also Figure 4 In one embodiment of the present invention, the rotation drive assembly 54 includes a driving part 541 fixedly connected to the inner wall of the first installation frame 51, and a driving gear 542 is arranged on the output shaft of the driving part 541, and a driven gear 543 is meshedly connected to the driving gear 542, and the driven gear 543 is connected to the rotating rod 53. Through the operation of the driving part 541, the driving part 541 controls the driving gear 542 to drive the connected driven gear 543 to rotate, and the driven gear 543 can drive the rotating rod 53 to adjust the rotational azimuth, so that the angle of the barrel body 59 can be conveniently adjusted.

[0024] See also Figure 4 In one embodiment of the present invention, a remote controller 56 is installed on the sealing cover 55. The setting of the remote controller 56 can not only realize on-site control of the remote-controlled fire cannon 5 for working processing, but also remotely control the remote-controlled fire cannon 5 for working processing, thereby facilitating the water spraying and fire extinguishing processing of the remote-controlled fire cannon 5.

[0025] See also Figure 5In one embodiment of the present invention, the exhaust assembly 510 includes an exhaust pump 5101 fixedly connected to the mounting base 58, and an exhaust pipe 5102 is provided at the end of the exhaust pump 5101. The exhaust pipe 5102 passes through the barrel body 59 and is connected to the exhaust hood 5103. When the exhaust pump 5101 works, the exhaust pump 5101 supplies air through the exhaust pipe 5102 and the exhaust hood 5103, and the exhaust hood 5103 blows out the water mist inside the barrel body 59, so that it is convenient to spray water to extinguish the fire on the horizontal ammonia tank 11 and reduce the concentration of leaked ammonia, thereby providing the rescue personnel with the greatest life safety protection.

[0026] See also Figure 1 and Figure 2 In one embodiment of the present invention, a pipe filter 2 and a remote electric control valve 3 are installed on the water inlet pipe 515. The remote electric control valve 3 is arranged on the water inlet pipe 515 close to the side of the remote-controlled fire cannon 5. The water inlet pipe 515 is opened by the remote electric control valve 3, and the fire-fighting pipe network 1 passes the aqueous solution through the water inlet pipe 515 into the water supply pipe 514, and the flowing aqueous solution is filtered through the pipe filter 2. In this way, the remote-controlled fire cannon 5 can conveniently spray water on the horizontal ammonia tank 11.

[0027] Working principle: The present invention uses a video monitoring display screen 8 to control the video monitoring camera 7 to monitor the horizontal ammonia tanks 11 arranged at equal intervals inside the ammonia tank cofferdam 10. When the horizontal ammonia tank 11 leaks and a fire occurs, the fire cannon fire extinguishing system is controlled by the fire centralized control cabinet 9, the control box 6 and the remote controller 56 arranged on the remote control fire cannon 5 to operate. The remote electric control valve 3 is controlled to open. The aqueous solution inside the fire pipe network 1 is filtered through the pipeline filter 2. The aqueous solution is added to the water inlet pipe 515, and the water supply pipe 514 is used to supply water to the annular connecting pipe 512. The atomizing nozzles 513 arranged at equal intervals on the annular connecting pipe 512 are used to supply water mist to the inside of the barrel body 59. The drive unit 541 works. The driving unit 541 drives the active gear 542 to drive the meshing driven gear 543 to rotate. The driven gear 543 can drive the rotating rod 53 to rotate. The rotating rod 53 drives the barrel body 59 to adjust the rotation angle through the connecting column 57 and the mounting seat 58. The exhaust pump 5101 works. The exhaust pump 5101 supplies air to the exhaust hood 5103 through the exhaust pipe 5102. The exhaust hood 5103 blows out the aqueous solution inside the barrel body 59, so that the horizontal ammonia tanks 11 arranged at equal intervals inside the ammonia tank cofferdam 10 can be sprayed with water, so that the horizontal ammonia tanks 11 that have caught fire can be quickly extinguished. After the fire is extinguished, it continues to dilute the ammonia gas to reduce the ammonia concentration until the leakage point is handled, giving the rescue personnel the greatest life safety protection.

[0028] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A fire monitor fire extinguishing system for liquid ammonia tanks, characterized in that: It comprises a fire protection pipe network (1), a pipe filter (2), a remote electric control valve (3), a fire monitor operating platform (4), a remote control fire monitor (5), a control box (6), a video monitoring camera (7), a video monitoring display screen (8), a fire protection centralized control cabinet (9), an ammonia tank cofferdam (10) and a horizontal ammonia tank (11), wherein the horizontal ammonia tank (11) is arranged on the ammonia tank cofferdam (10) at equal intervals; The fire monitor operating platform (4) is symmetrically mounted on the side corners of the ammonia tank cofferdam (10), and a remote-controlled fire monitor (5) is mounted on the fire monitor operating platform (4), the remote-controlled fire monitor (5) comprising a first mounting frame (51), four corners of the bottom of the first mounting frame (51) are provided with mounting components (52) mounted with the fire monitor operating platform (4), a rotating rod (53) is rotatably mounted on the upper end of the first mounting frame (51), a sealing cover (55) is fixedly mounted on the outer wall of the first mounting frame (51), and a rotation driving component (54) for driving the rotating rod (53) to rotate is mounted on the first mounting frame (51) located inside the sealing cover (55); Connecting columns (57) are fixedly mounted at both ends of the rotating rod (53); the top of the connecting column (57) is connected to the barrel body (59) via a mounting seat (58); and an exhaust assembly (510) for exhausting air from the end of the barrel body (59) is mounted on the mounting seat (58); A plurality of mounting members (511) are fixedly installed at equal intervals inside the barrel body (59); an annular connecting pipe (512) is fixedly installed at the inner end of the mounting member (511); a plurality of atomizing nozzles (513) are arranged at equal intervals at the inner end of the annular connecting pipe (512); a water inlet pipe (515) at the top of the annular connecting pipe (512) is connected to a water supply pipe (514); and the water supply pipe (514) is connected to a fire-fighting pipe network (1); A video surveillance camera (7) for real-time monitoring of the horizontal ammonia tank (11) is installed at one corner of the ammonia tank cofferdam (10); A control box (6) for performing on-site control of a remote-controlled fire monitor (5) is installed outside the ammonia tank cofferdam (10); The video surveillance display screen (8) is used to control the operation of the video surveillance camera (7) via wireless signals; The fire centralized control cabinet (9) is used to control the control box (6) and the remote-controlled fire monitor (5) to operate via wireless signals.

2. A fire monitor fire extinguishing system for a liquid ammonia tank according to claim 1, characterized in that: The mounting assembly (52) comprises a second mounting frame (521) fixedly connected to the four corners of the bottom of the first mounting frame (51), and mounting bolts (522) are threadedly connected to the second mounting frame (521).

3. A fire monitor fire extinguishing system for liquid ammonia tanks according to claim 1, characterized in that: The rotation drive assembly (54) comprises a driving part (541) fixedly connected to the inner wall of the first installation frame (51); a driving gear (542) is arranged on the output shaft of the driving part (541); a driven gear (543) is meshingly connected to the driving gear (542); and the driven gear (543) is connected to the rotating rod (53).

4. A fire monitor fire extinguishing system for a liquid ammonia tank according to claim 1, characterized in that: A remote controller (56) is installed on the sealing cover (55).

5. A fire monitor fire extinguishing system for liquid ammonia tanks according to claim 1, characterized in that: The exhaust assembly (510) comprises an exhaust pump (5101) fixedly connected to the mounting seat (58); an exhaust pipe (5102) is provided at the end of the exhaust pump (5101); the exhaust pipe (5102) passes through the barrel body (59) and is connected to the exhaust cover (5103).

6. A fire monitor fire extinguishing system for a liquid ammonia tank according to claim 1, characterized in that: A pipeline filter (2) and a remote electric control valve (3) are installed on the water inlet pipe (515), and the remote electric control valve (3) is arranged on the water inlet pipe (515) on a side close to the remote-controlled fire monitor (5).

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