CN111503338A - Fire extinguishing system for fire engineering and construction method thereof - Google Patents
Fire extinguishing system for fire engineering and construction method thereof Download PDFInfo
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- CN111503338A CN111503338A CN202010299005.4A CN202010299005A CN111503338A CN 111503338 A CN111503338 A CN 111503338A CN 202010299005 A CN202010299005 A CN 202010299005A CN 111503338 A CN111503338 A CN 111503338A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/363—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure members being rotatable or pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a fire extinguishing system for fire engineering and a construction method thereof, relating to the technical field of fire engineering and comprising an automatic water spraying fire extinguishing device and a smoke preventing and discharging device. The smoke prevention and exhaust device comprises a smoke exhaust pipeline and a fire prevention valve, a smoke passing channel and a valve are formed in a valve frame of the fire prevention valve, and a driving part for driving the valve to rotate is installed on the valve frame. The driving part comprises a driving rotating rod and a weight regulating water tank, a water guide pipe is arranged on the weight regulating water tank, and an opening and closing valve controlled to be opened and closed by the blocking and sliding thermal expansion glass body is arranged on the water guide pipe. The water enters the weight-adjusting water tank to enable the weight-adjusting water tank to slide downwards to drive the driving rod to rotate, the valve rotates along with the driving rod to close the smoke passing channel, and therefore the sliding-blocking thermal expansion glass body replaces a temperature fuse and a smoke sensor, so that the opening and closing of the fire damper replaces an electric control structure through a mechanical structure, the possible failure of the electric control part under the high-temperature condition is effectively avoided, and the fire damper has the advantage of mechanically controlling the opening and closing to avoid the failure of the fire damper.
Description
Technical Field
The invention relates to the technical field of fire engineering, in particular to a fire extinguishing system for the fire engineering and a construction method thereof.
Background
The fire control is to eliminate hidden troubles and prevent disasters, and the fire engineering is mainly used for fire extinguishing and fire prevention construction of buildings. The existing fire extinguishing system for fire engineering mainly comprises two parts, namely a smoke prevention and exhaust device and a fire extinguishing device, and is mainly installed on heat conduction installation plates such as ceilings and the like. The smoke preventing and exhausting device consists of air exhausting pipeline, pipe well, fireproof valve, door switch, air exhausting fan and other parts.
The fire-proof valve is a normally closed valve, which is opened by a control center through 24V direct current or manually opened, and is automatically closed at 280 ℃ and manually reset. However, the existing fire damper is mainly opened and closed through electric control, and under a high-temperature environment, a circuit of an electric control part is easy to damage, so that the fire damper cannot be normally opened and closed to influence the normal work of the smoke prevention and exhaust device.
Disclosure of Invention
The invention aims to provide a fire extinguishing system for fire engineering, which has the advantage of mechanically controlling opening and closing to avoid failure of a fire damper.
The first invention of the present invention is realized by the following technical scheme:
a fire suppression system for fire protection engineering, comprising:
the automatic water spraying fire extinguishing device comprises a water supply pipeline and a spray header arranged at the water outlet end of the water supply pipeline, wherein the spray header is arranged on a heat conduction mounting plate;
the smoke exhaust prevention device comprises a smoke exhaust pipeline and a fire damper for controlling the opening and closing of the smoke exhaust pipeline, the fire damper comprises a valve frame fixedly arranged on the smoke exhaust pipeline, a smoke passing channel is formed in the valve frame, a valve for opening and closing the smoke passing channel is rotatably arranged on the valve frame, a driving and rotating part for driving the valve to rotate is arranged on the valve frame, the driving and rotating part comprises a driving and rotating rod hinged to the valve frame and a weight regulating water tank arranged on the valve frame in a sliding mode along the vertical direction, the driving and rotating rod is fixedly connected with the valve, the weight regulating water tank is pressed on the upper end face of one end of the driving and rotating rod, and a water guide pipe communicated with the water conveying pipeline is arranged on the weight regulating water tank;
the water guide pipe is provided with an opening and closing valve for controlling the opening and closing of the water guide pipe, the opening and closing valve comprises a valve body fixedly arranged on the water guide pipe, a water passing channel is formed in the valve body, a valve block used for opening and closing the water passing channel is arranged on the valve body in a sliding mode, the lower end of the valve body is provided with a balance weight guide sliding rod fixedly connected with the valve block in a sliding mode, a guide sliding hole in sliding connection with the balance weight guide sliding rod is formed in the heat conduction mounting plate, a sliding-blocking thermal expansion glass body limiting the balance weight guide sliding rod to slide is arranged in the guide sliding hole, and the sliding-blocking thermal expansion glass body is abutted to one end, far away from the valve.
By adopting the technical scheme, when the valve block closes the water passage, the sliding-blocking thermal expansion glass body is abutted against one end, far away from the valve block, of the counterweight sliding guide rod to limit the sliding of the counterweight sliding guide rod in the sliding guide hole until the temperature rises when a fire disaster occurs, and the sliding-blocking thermal expansion glass body is thermally expanded and damaged to be separated from the sliding guide hole, at the moment, the counterweight sliding guide rod slides downwards along the sliding guide hole under the action of gravity to open the water passage in the valve body, water in the water delivery pipeline enters the weight regulating water tank through the water guide pipe, the weight regulating water tank slides downwards under the action of gravity to drive the driving rod to rotate along with the increase of the water in the weight regulating water tank, the valve rotates along with the driving rod to close the smoke passage, therefore, the temperature fuse and the smoke sensor are replaced by the sliding-blocking thermal expansion glass body, so that the opening and closing of the fire-proof valve replace an electric control structure through a mechanical structure, and the possible failure of, thereby the fire extinguishing system has the advantages of mechanical control on-off to avoid failure of the fire damper.
The invention is further configured to: the balance weight guide sliding rod is provided with a power elastic part which is used for providing elasticity for the valve plate to open the water passing channel, one end of the power elastic part is connected with the balance weight guide sliding rod, and the other end of the power elastic part is connected with the heat conduction mounting plate.
Through adopting above-mentioned technical scheme, when keeping off smooth thermal expansion vitreous body and breaking away from and leading the sliding hole, power elastic component orders about the counter weight and leads the slide bar and remove so that the valve block opens water channel towards the direction of keeping away from the valve body, and the elastic force of power elastic component leads the gravity cooperation of slide bar self with the counter weight to further guarantee the job stabilization nature of opening and close the valve, so that the opening and close of this fire extinguishing systems mechanical control fire prevention valve is more stable.
The invention is further configured to: the outer wall of valve is seted up and is supplied the gliding regulation spout of accent heavy water tank, install the buffering elastic component in the regulation spout, the one end of buffering elastic component with accent heavy water tank connects and the other end with adjust the spout and connect.
Through adopting above-mentioned technical scheme, transfer heavy water tank along adjusting the spout and slide along the increase of weight, buffering elastic component avoids transfer heavy water tank to slide too fast and cause the damage to its self and valve frame.
The invention is further configured to: the upper end of the adjusting chute is provided with an elastic hook, and the upper end of the weight adjusting water tank is hooked on the elastic hook.
Through adopting above-mentioned technical scheme, the fire prevention valve makes under the state of not working collude and hold in elastic hook, and when the gravity of accent heavy water tank was greater than elastic hook's elastic deformation power, elastic hook deformation so that accent heavy water tank breaks away from elastic hook, and from this, elastic hook offers the colluding of accent heavy water tank and holds the power and make accent heavy water tank only can slide after gravity is greater than elastic hook's elastic deformation power, avoids accent heavy water tank mistake to slide.
The invention is further configured to: the lower end of the weight-adjusting water tank is provided with a water outlet, and the water outlet is detachably provided with a start block.
Through adopting above-mentioned technical scheme, the water in the accent heavy water tank is discharged via the outlet to make the weight of accent heavy water tank less, thereby make the accent heavy water tank can reset so that the valve is opened, the fire prevention valve is opened so that the pipeline of discharging fume can normal use this moment.
The invention is further configured to: the heat conduction mounting plate is provided with a hidden groove which is connected with the spray header in a sliding manner, and the counterweight guide slide rod is fixedly provided with a linkage rod which is fixedly connected with the spray header.
Through adopting above-mentioned technical scheme, when the on-off valve was closed, the shower head was hidden in hiding the inslot so that the shower head is hidden, and when the conflagration took place, keep off smooth thermal expansion glass body thermal expansion damage so that the slide bar is led to the counter weight along leading the slide opening and sliding down, and the shower head is followed the counter weight and is led the slide bar and slide down in order to stretch out and hide the groove under the effect of gangbar to guarantee the normal work of shower head.
The invention is further configured to: the heat conduction mounting panel on set up with the exhaust port of exhaust fume pipeline intercommunication, detachably is provided with the grid board on the exhaust port.
Through adopting above-mentioned technical scheme, the exhaust port sets up in the heat conduction mounting panel so that the heat in the pipeline of discharging fume can transmit the heat conduction mounting panel steadily to guarantee to keep off smooth thermal expansion vitreous body and can be heated the inflation smoothly and damage.
The invention also aims to provide a construction method of the fire extinguishing system for the fire fighting project, which has the advantage of stable and normal operation of the fire extinguishing system.
The second invention is realized by the following technical scheme:
a construction method of a fire extinguishing system for fire engineering comprises the following steps:
s1, installing a smoke exhaust pipeline and a water supply pipeline;
s2, installing a fire damper on the smoke exhaust pipeline, hooking the weight regulating water tank on the elastic hook, and communicating the weight regulating water tank and the water delivery pipeline through a water guide pipe provided with an opening and closing valve;
s3, a spray header is arranged at the water outlet end of the water supply pipeline and is fixedly connected with the counterweight slide guide rod;
s4, installing a heat conducting installation plate, abutting a counterweight guide slide rod with the sliding-blocking thermal expansion glass body, and hiding the spray header in the hidden groove.
By adopting the technical scheme, when the fire extinguishing system does not work, the spray head is hidden in the hidden groove, meanwhile, the counterweight guide slide rod is abutted against the sliding-blocking thermal expansion glass body in the guide slide hole so as to close the opening and closing valve, when a fire disaster occurs, the heat conduction mounting plate transmits heat to the sliding-blocking thermal expansion glass body so as to enable the sliding-blocking thermal expansion glass body to be damaged by thermal expansion and break away from the guide slide hole, at the moment, the counterweight guide slide rod slides downwards so as to open the opening and closing valve, water enters the weight regulating water tank through the water guide pipe so as to enable the weight regulating water tank to slide downwards, so that the driving rotary rod is driven to rotate so as to close the fire prevention valve, and the spray head slides downwards along with the counterweight guide slide rod while the opening and closing valve is opened so as to break away from the hidden groove, therefore, the fire extinguishing.
In conclusion, the beneficial technical effects of the invention are as follows:
1. when the valve block closes the water passage, the sliding-blocking thermal expansion glass body is abutted against one end, far away from the valve block, of the counterweight sliding guide rod to limit the sliding of the counterweight sliding guide rod in the sliding guide hole until the temperature rises when a fire disaster occurs, and the sliding-blocking thermal expansion glass body is thermally expanded and damaged to be separated from the sliding guide hole, at the moment, the counterweight sliding guide rod slides downwards along the sliding guide hole under the action of gravity to open the water passage in the valve body, water in the water delivery pipeline enters the weight regulating water tank through the water guide pipe, the weight regulating water tank slides downwards under the action of gravity to drive the driving rotating rod to rotate, the valve rotates along with the driving rotating rod to close the smoke passage, and therefore, the sliding-blocking thermal expansion glass body replaces a temperature fuse and a smoke sensor, so that the opening and closing of the fire-proof valve replaces an electric control structure through a mechanical structure, and the possible failure of an electric control part under the high temperature condition is effectively avoided, therefore, the fire extinguishing system has the advantage of mechanically controlling the opening and closing to avoid the failure of the fire damper;
2. when the opening and closing valve is closed, the spray head is hidden in the hidden groove so that the spray head is hidden, until a fire disaster happens, the sliding-blocking thermal expansion glass body is damaged by thermal expansion so that the balance weight guide sliding rod slides downwards along the guide sliding hole, and the spray head slides downwards along the balance weight guide sliding rod under the action of the linkage rod so as to extend out of the hidden groove, so that the normal work of the spray head is ensured.
Drawings
FIG. 1 is a schematic view of the mounting structure of the preferred embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a fire damper according to a preferred embodiment of the present invention.
In the figure, 1, a heat conducting mounting plate; 11. a slide guide hole; 12. a hidden slot; 13. a drop-proof groove; 14. embedding a clamping groove; 141. a cushion pad; 15. a concealing cover; 16. a grid plate; 2. an automatic water spray fire extinguishing device; 21. a water delivery pipeline; 22. a shower head; 221. a water receiving pipe; 2211. an anti-drop block; 222. a splash pan; 223. a plug; 224. opening and closing the thermal expansion glass body; 3. a smoke exhaust preventing device; 31. a smoke exhaust pipeline; 32. a fire damper; 321. a valve frame; 3211. adjusting the sliding chute; 3212. an elastic hook; 3213. a buffer elastic member; 3214. buffering the push block; 322. a valve; 323. a smoke passage; 33. a drive-rotation assembly; 331. a drive lever; 332. a weight regulating water tank; 3321. blocking is started; 333. a water conduit; 334. opening and closing a valve; 3341. a valve body; 3342. a valve plate; 34. a telescopic part; 341. a counterweight guide slide rod; 342. sliding-blocking thermal expansion glass body; 343. a dynamic elastic member; 344. a linkage rod.
Detailed Description
A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the fire extinguishing system for fire engineering disclosed by the invention comprises a heat conducting mounting plate 1, an automatic water spraying fire extinguishing device 2 and a smoke preventing and discharging device 3. The heat conduction mounting plate 1 is made of high heat conduction materials such as metal, and the heat conduction mounting plate 1 is installed at the positions of a ceiling, a suspended ceiling and the like.
The automatic water-spraying fire-extinguishing device 2 comprises a water-feeding pipeline 21 and a spray head 22 arranged at the water outlet end of the water-feeding pipeline 21. A water supply line 21 is located above the heat conductive mounting plate 1, the water supply line 21 communicating with the municipal water supply line to take water therefrom. The shower head 22 includes a water receiving pipe 221 having one end communicating with the water supply pipe 21, and a splash pan 222 fixedly installed on the water receiving pipe 221. The axis of the water receiving pipe 221 is arranged along the vertical direction so that the upper end of the water receiving pipe 221 is fixedly connected with the water outlet end of the water supply pipeline 21. The splash pan 222 is located below the water receiving pipe 221, so that a water outlet space is formed between the splash pan 222 and the lower end opening of the water receiving pipe 221. A plug 223 for sealing the water receiving pipe 221 is slidably arranged in the lower end opening of the water receiving pipe 221, an opening and closing thermal expansion glass body 224 abutting against the splash plate 222 is arranged on the plug 223, and the opening and closing thermal expansion glass body 224 is positioned in the water outlet space. The upper end of the thermal expansion glass 224 abuts against the lower end of the plug 223, and the lower end of the thermal expansion glass 224 abuts against the upper end surface of the splash plate 222. The opening and closing thermal expansion glass body 224 is filled with an organic solvent which is easy to expand when heated, so that the opening and closing thermal expansion glass body 224 is damaged due to expansion of the organic solvent at high temperature, and the plug 223 made of the lost opening and closing thermal expansion glass body 224 is separated from the water receiving pipe 221 under the water pressure of water flow, so that the water flow enters the water outlet space and is sprayed under the action of the water splashing disc 222.
Referring to fig. 2, the heat conducting mounting plate 1 is provided with a hidden slot 12 slidably connected to the shower head 22 along the vertical direction, and the shower head 22 is embedded into or extended out of the hidden slot 12 so that the shower head 22 is mounted on the heat conducting mounting plate 1. The lower end opening of the hidden groove 12 is clamped with a hidden cover 15, and the hidden cover 15 is easy to separate from the hidden groove 12 under impact. At least two anti-falling grooves 13 are formed in the inner wall of the hidden groove 12, and all the anti-falling grooves 13 are distributed on the inner wall of the hidden groove 12 at equal intervals in the circumferential direction. The extending direction of the drop-off preventive groove 13 is set in the vertical direction. The lower end opening of the escape prevention groove 13 is closed so that the escape prevention groove 13 does not penetrate the hiding groove 12 in the vertical direction. The outer wall of the water receiving pipe 221 is correspondingly provided with an anti-slip block 2211 connected with the anti-slip groove 13 in a sliding manner, and the anti-slip block 2211 slides in the anti-slip groove 13 to prevent the anti-slip block 2211 from sliding away from the anti-slip groove 13, so that the spray header 22 is prevented from completely separating from the hidden groove 12.
The heat conducting mounting plate 1 is provided with a telescopic part 34 for controlling the spray head 22 to extend out of the hidden groove 12. Specifically, the heat conducting mounting plate 1 is provided with a sliding guiding hole 11 along the vertical direction, and the sliding guiding hole 11 is located on one side of the hidden groove 12. The telescopic part 34 includes a counterweight sliding guide rod 341 slidably disposed in the sliding guide hole 11 and a linkage rod 344 fixedly disposed in the shower head 22.
The axis of the counterweight guide rod 341 coincides with the axis of the guide slide hole 11 to slide in the axial direction of the guide slide hole 11. An installation step is arranged around the opening at the upper end of the slide guide hole 11, a sliding-blocking thermal expansion glass body 342 for limiting the sliding of the counterweight slide guide rod 341 is installed on the installation step, an organic solvent which is easy to expand when heated is filled in the sliding-blocking thermal expansion glass body 342, and the boiling point of the organic solvent in the sliding-blocking thermal expansion glass body 342 is smaller than that of the organic solvent in the opening and closing thermal expansion glass body 224. The weight guide sliding rod 341 is provided with a dynamic elastic member 343 providing downward sliding elasticity for the weight guide sliding rod 341, and the dynamic elastic member 343 is a tension spring. One end of the dynamic elastic member 343 is fixedly connected to the upper end of the counterweight sliding guide 341, and the other end of the dynamic elastic member 343 is fixedly connected to the upper end surface of the heat conducting mounting plate 1.
One end of the linkage rod 344 is fixedly connected with the upper end of the counterweight sliding guide rod 341, and the other end of the linkage rod 344 is fixedly connected with the water receiving pipe 221 of the spray header 22. The linkage rod 344 is located above the heat conduction mounting plate 1, the upper end face of the heat conduction mounting plate 1 is provided with an embedding slot 14 for the linkage rod 344 to be embedded, one end of the embedding slot 14 is communicated with the guide sliding hole 11, and the other end of the embedding slot is communicated with the hidden slot 12. A buffer gasket 141 which is used for abutting against the linkage rod 344 is arranged in the clamping groove 14, and the buffer gasket 141 is made of rubber. When the linkage rod 344 is embedded into the embedding slot 14, the buffer gasket 141 is positioned between the slot bottom of the embedding slot 14 and the linkage rod 344.
Referring to fig. 1 and 3, the smoke prevention device 3 includes a smoke exhaust pipe 31 and a fire damper 32 for controlling opening and closing of the smoke exhaust pipe 31. The smoke evacuation pipe 31 is located above the heat conducting mounting plate 1. One end of the smoke exhaust pipeline 31 is communicated with the outside, a smoke exhaust port communicated with the other end of the smoke exhaust pipeline 31 is formed in the heat conduction mounting plate 1, and a grating plate 16 is detachably arranged on the smoke exhaust port. The grid plate 16 increases the contact area between the heat-conducting mounting plate 1 and the fire smoke, so that the heat in the smoke exhaust pipeline 31 can be stably transferred to the heat-conducting mounting plate 1, and the smooth thermal expansion glass body 342 can be guaranteed to be smoothly damaged by thermal expansion.
The fire valve 32 comprises a valve frame 321 fixedly arranged on the smoke exhaust pipeline 31, a smoke passage 323 is formed in the valve frame 321, a valve 322 for opening and closing the smoke passage 323 is rotatably arranged on the valve frame 321, and the rotation axis of the valve 322 is arranged along the horizontal direction. When the smoke passing channel 323 is opened, the smoke exhaust pipeline 31 is conducted, and when the smoke passing channel 323 is closed, the smoke exhaust pipeline 31 is closed.
The valve frame 321 is provided with a driving unit for driving the valve 322 to rotate. Specifically, the driving portion includes a driving lever 331 hinged to the valve frame 321 and a weight water tank 332 slidably provided to the valve frame 321 in a vertical direction. One end of the driving rod 331 is hinged to the valve frame 321 and is fixedly connected to the valve 322, and the rotation axis of the driving rod 331 coincides with the rotation axis of the valve 322. An adjusting chute 3211 for the heavy water tank 332 to slide is formed in the outer wall of one side of the valve 322 along the vertical direction. A buffer elastic member 3213 is installed at the lower end of the adjusting chute 3211, and the buffer elastic member 3213 is a compression spring. The upper end of the buffering elastic piece 3213 is fixedly provided with a buffering push block 3214 slidably connected with the adjusting chute 3211, the buffering push block 3214 is used for abutting against the lower end face of the other end of the driving rotating rod 331, the lower end of the buffering elastic piece 3213 is fixedly connected with the bottom wall of the adjusting chute 3211, the weight-adjusting water tank 332 abuts against the upper end face of the other end of the driving rotating rod 331, and the driving rotating rod 331 is driven by controlling the upper end face of the weight-adjusting water tank 332. An elastic hook 3212 is arranged at the upper end of the adjusting chute 3211, and the upper end of the weight water tank 332 is hooked on the elastic hook 3212.
The surge tank 332 is provided with a water conduit 333 communicated with the water supply line 21, and the water conduit 333 is provided with an opening and closing valve 334 for controlling the opening and closing of the water conduit 333. The open/close valve 334 includes a valve body 3341 fixedly installed on the water guide pipe 333, and the valve body 3341 is fixedly connected to the upper end surface of the heat conductive mounting plate 1. A water passing channel is formed in the valve body 3341, and a valve plate 3342 for opening and closing the water passing channel is arranged on the valve body 3341 in a sliding manner. The valve plate 3342 slides downward to open the water passage, the water guide pipe 333 is connected, and the valve plate 3342 slides upward to shield the water passage to close the water passage, and the water guide pipe 333 is closed. The upper end of the counterweight guide rod 341 is fixedly connected to the lower end surface of the valve plate 3342, so that the expansion part 34 can control the valve plate 3342 to slide, thereby controlling the opening and closing of the open-close valve 334. Preferably, the lower end of the weight-adjusting water tank 332 is provided with a water outlet, and the water outlet is detachably provided with an opening and closing plug 3321.
The implementation principle of the embodiment is as follows: when the fire extinguishing system does not work, when the valve plate 3342 closes the water passing channel, the sliding-blocking thermal expansion glass body 342 is abutted against one end of the counterweight sliding guide rod 341 far away from the valve plate 3342 to limit the sliding of the counterweight sliding guide rod 341 in the sliding guide hole 11, and the spray header 22 is hidden in the hidden groove 12; until the temperature rises when a fire breaks out, the sliding-blocking thermal expansion glass body 342 expands and damages by heat and breaks away from the sliding guide hole 11, at this time, the counterweight sliding guide rod 341 slides downwards along the sliding guide hole 11 under the action of gravity to open a water passing channel in the valve body 3341, water in the water feeding pipeline 21 enters the weight regulating water tank 332 through the water guide pipe 333, the weight regulating water tank 332 slides downwards under the action of gravity to drive the driving rotating rod 331 to rotate along with the increase of the water in the weight regulating water tank 332, the valve 322 rotates along with the driving rotating rod 331 to close the smoke passing channel 323, the linkage rod 344 simultaneously drives the spray head 22 to slide downwards to enable the spray head 22 to extend out of the hidden groove 12, then, the thermal expansion glass body 224 is opened and closed to be broken by heat, and the spray head 22 sprays water to extinguish the fire.
The construction method of the embodiment comprises the following steps:
s1, installing the smoke exhaust pipeline 31 and the water supply pipeline 21, wherein one end of the smoke exhaust pipeline 31 is communicated with the outside, the smoke exhaust pipeline 31 can exhaust naturally or exhaust through a booster fan, and one end of the water supply pipeline 21 is communicated with the municipal water supply pipeline so that the water supply pipeline 21 can obtain water from the municipal water supply pipeline.
S2, the smoke evacuation pipe 31 is provided with the fire damper 32 to open the fire damper 32, the surge tank 332 is hooked on the elastic hook 3212, the water conduit 333 provided with the opening/closing valve 334 communicates the surge tank 332 and the water supply pipe 21, and the opening/closing valve 334 is closed.
S3, installing the spray header 22 at the water outlet end of the water supply pipeline 21, and fixedly connecting the spray header 22 with the counterweight sliding guide rod 341;
s4, installing the sliding-blocking thermal expansion glass body 342 in the installation step of the hidden groove 12, installing the hidden cover 15 at the lower end of the hidden groove 12, and then installing the heat-conducting installation plate 1, so that the counterweight sliding guide rod 341 extends into the sliding guide hole 11 to be abutted against the sliding-blocking thermal expansion glass body 342, and the spray head 22 is hidden in the hidden groove 12.
The embodiments of the present invention are preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, wherein like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A fire extinguishing system for fire fighting engineering, comprising:
the automatic water spraying fire extinguishing device (2) comprises a water supply pipeline (21) and a spray header (22) arranged at the water outlet end of the water supply pipeline (21), wherein the spray header (22) is arranged on the heat conduction mounting plate (1);
the smoke prevention and exhaust device (3) comprises a smoke exhaust pipeline (31) and a fire damper (32) for controlling the opening and closing of the smoke exhaust pipeline (31), the fire-proof valve (32) comprises a valve frame (321) fixedly arranged on the smoke exhaust pipeline (31), a smoke passing channel (323) is formed in the valve frame (321), a valve (322) for opening and closing the smoke passing channel (323) is rotatably arranged on the valve frame (321), the valve frame (321) is provided with a driving part for driving the valve (322) to rotate, the driving part comprises a driving rod (331) hinged with the valve frame (321) and a weight regulating water tank (332) arranged on the valve frame (321) in a sliding way along the vertical direction, the driving rotating rod (331) is fixedly connected with the valve (322), the weight adjusting water tank (332) is pressed against the upper end face of one end of the driving rotating rod (331), a water guide pipe (333) communicated with the water supply pipeline (21) is arranged on the heavy water adjusting tank (332);
the water guide pipe (333) is provided with an opening and closing valve (334) for controlling the opening and closing of the water guide pipe (333), the on-off valve (334) comprises a valve body (3341) fixedly arranged on the water guide pipe (333), a water passing channel is formed in the valve body (3341), a valve plate (3342) for opening and closing the water passing channel is arranged on the valve body (3341) in a sliding way, the lower end of the valve body (3341) is provided with a counterweight guide rod (341) fixedly connected with the valve plate (3342) in a sliding way, the heat conduction mounting plate (1) is provided with a guide sliding hole (11) which is connected with the counterweight guide sliding rod (341) in a sliding way, a sliding blocking thermal expansion glass body (342) for limiting the sliding of the counterweight sliding guide rod (341) is arranged in the sliding guide hole (11), the sliding blocking thermal expansion glass body (342) is abutted against one end, far away from the valve plate (3342), of the counterweight guide slide rod (341).
2. A fire extinguishing system for fire fighting engineering according to claim 1, characterized in that the counterweight guide sliding rod (341) is provided with a dynamic elastic member (343) providing elastic force for the valve plate (3342) to open the water passage, one end of the dynamic elastic member (343) is connected to the counterweight guide sliding rod (341), and the other end of the dynamic elastic member (343) is connected to the heat conducting mounting plate (1).
3. The fire extinguishing system for the fire fighting project according to claim 1, wherein an adjusting chute (3211) for sliding the weight adjusting water tank (332) is formed in an outer wall of the valve (322), a buffering elastic member (3213) is installed in the adjusting chute (3211), one end of the buffering elastic member (3213) is connected with the weight adjusting water tank (332) and the other end is connected with the adjusting chute (3211).
4. The fire extinguishing system for fire fighting engineering according to claim 3, characterized in that an elastic hook (3212) is disposed at an upper end of the adjusting chute (3211), and the elastic hook (3212) hooks the upper end of the weight adjusting water tank (332).
5. A fire extinguishing system for fire fighting projects according to claim 3, characterized in that the surge tank (332) is provided at its lower end with a drain opening that is detachably provided with a shutter (3321).
6. A fire extinguishing system for fire fighting engineering according to claim 1, characterized in that the heat conducting mounting plate (1) is provided with a hidden slot (12) slidably connected with the spray header (22), and the counterweight guide sliding rod (341) is fixedly provided with a linkage rod (344) fixedly connected with the spray header (22).
7. A fire extinguishing system for fire fighting engineering according to claim 1, characterized in that the heat conducting mounting plate (1) is provided with a smoke outlet communicating with the smoke exhaust pipe (31), and the smoke outlet is detachably provided with a grid plate (16).
8. A construction method of a fire extinguishing system for fire engineering is characterized by comprising the following steps:
s1, installing a smoke exhaust pipeline (31) and a water supply pipeline (21);
s2, installing a fire damper (32) on the smoke exhaust pipeline (31), hooking the heavy water regulating tank (332) on the elastic hook (3212), and communicating the heavy water regulating tank (332) with the water supply pipeline (21) through a water guide pipe (333) provided with an opening and closing valve (334);
s3, a spray header (22) is arranged at the water outlet end of the water supply pipeline (21), and the spray header (22) is fixedly connected with the counterweight sliding guide rod (341);
s4, installing the heat conduction installation plate (1), abutting the counterweight slide guide rod (341) against the slide blocking thermal expansion glass body (342), and hiding the spray header (22) in the hidden groove (12).
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| CN202010299005.4A CN111503338B (en) | 2020-04-16 | 2020-04-16 | Fire extinguishing system for fire engineering and construction method thereof |
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| CN202010299005.4A CN111503338B (en) | 2020-04-16 | 2020-04-16 | Fire extinguishing system for fire engineering and construction method thereof |
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| CN111905314A (en) * | 2020-08-13 | 2020-11-10 | 杭州圣枪科技有限公司 | Family hidden type recyclable fire detection device |
| CN114191768A (en) * | 2021-12-15 | 2022-03-18 | 中铁一局集团有限公司 | Automatic fire extinguishing shutdown system and method for large equipment for foundation engineering |
| CN114251466A (en) * | 2022-01-06 | 2022-03-29 | 春意环境科技有限公司 | Fireproof device for smoke prevention and exhaust air pipe and installation method thereof |
| CN114811792A (en) * | 2022-04-16 | 2022-07-29 | 武汉卓尔建筑设计有限公司 | Meeting room exhaust system capable of preventing smoke diffusion |
| CN116792847A (en) * | 2023-08-21 | 2023-09-22 | 江苏华洋新思路能源装备股份有限公司 | High-sealing smoke-discharging ventilating fireproof valve |
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