CN219082419U - Fire control fire prevention valve of high temperature resistant - Google Patents

Abstract

The utility model relates to the technical field of fire control fire prevention valves, and discloses a fire control fire prevention valve resistant to high temperature, which comprises a valve assembly, wherein the valve assembly comprises a door frame, valve blades, an actuator and an output shaft, wherein the valve blade is rotatably connected to an inner frame of the door frame, the actuator is arranged at the top of the door frame, and the output shaft is fixedly connected with a rotating shaft of the valve blades; an atomization cooling component is arranged on the outer side wall of the door frame; through setting up atomizing cooling subassembly, the control end of solenoid valve and booster pump and fire prevention valve in the atomizing cooling subassembly is connected through the wire, link to each other booster pump and external water source again, when the high temperature closes the valve flabellum, the solenoid valve is opened voluntarily to the control end and the booster pump is started, make atomizing cooling subassembly spray atomized water to door frame and valve flabellum, make the atomized water that sprays carry out the heat absorption cooling to metal material's flabellum and frame, reduce the degree that flabellum and frame warp, thereby effectively avoid the risk that the flue gas appears leaking.

Description

Fire control fire prevention valve of high temperature resistant

Technical Field

The utility model relates to the technical field of fire protection and fire prevention valves, in particular to a high-temperature-resistant fire protection and fire prevention valve.

Background

The fire-proof valve is a normally closed valve, which is opened or manually opened by a control center through 24V direct current, and is automatically closed at 280 ℃ and reset is needed manually. The function of the device is as follows: when the temperature of the smoke reaches 280 ℃, people are basically evacuated, smoke is exhausted without practical significance, and the smoke is burnt at the moment, and the valve is automatically closed to avoid the spread of fire. The smoke exhaust port of the system can also be a normally closed type fireproof smoke exhaust port, and a smoke exhaust fireproof valve on a branch pipe is omitted. When fire breaks out, the air port is opened or opened manually by the control center through 24V direct current, and when the smoke temperature reaches 280 ℃, the air port is closed automatically and the reset is also needed manually. The inlet of the smoke exhaust fan room is also provided with a smoke exhaust fireproof valve which is spread to the layer of the fan room in fireproof mode.

In the prior art, in order to promote the high temperature resistance of fire control fire damper, its flabellum and frame are metal material, under long-time high temperature environment, flabellum and frame can thermal expansion deformation, lead to flabellum and frame to appear the gap, cause the flue gas leakage.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the fire-fighting fire-proof valve with high temperature resistance, which is provided with the blades and automatically sprays atomized water under the condition of high-temperature closing, so that the sprayed atomized water absorbs heat and cools the blades and the outer frame which are made of metal materials, the deformation degree of the blades and the outer frame is reduced, the risk of leakage of smoke is effectively avoided, and the problems that the blades and the outer frame are deformed due to thermal expansion under a long-time high-temperature environment, and gaps are formed between the blades and the outer frame to cause the leakage of the smoke are solved.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fire-fighting fire-proof valve comprises a valve component, wherein the valve component comprises a door frame, valve blades, an actuator and an output shaft, wherein the inner frame is rotatably connected with the door frame, the actuator is arranged at the top of the door frame, and the output shaft is fixedly connected with a rotating shaft of the valve blades;

the atomizing cooling assembly is installed to the lateral wall of door frame, atomizing cooling assembly including supporting the outer tube, fixed connection in the lateral wall of door frame, atomizer install in the lateral wall of supporting the outer tube, the inner tube set up in support the inside of outer tube, the connecting pipe, set up in the lateral wall of inner tube, one end with atomizer links to each other, the solenoid valve, install in the one end of inner tube, its electrical property input and the control end electricity of fire prevention valve are connected, the booster pump, fixed connection in the lateral wall of door frame, the play water end with the solenoid valve links to each other, its electrical property input and the control end electricity of fire prevention valve are connected, and the water inlet joint, set up in the pumping end of booster pump links to each other with external water source.

Preferably, the support outer tube and the inner tube are both high temperature resistant metal tubes.

Preferably, the atomization nozzle is provided with at least four.

Preferably, the two ends of the outer supporting tube are provided with mounting seats, and the mounting seats are fixed on the outer side wall of the top end of the door frame.

Preferably, the bottom of the valve assembly is provided with a pumping assembly for accelerating the flow rate of gas in the valve.

Preferably, the air extraction assembly comprises a support plate, a fixed connection in the bottom outer side wall of the valve assembly, an air inlet groove arranged on the outer side wall of the support plate, an air inlet pipe arranged at the bottom of the air inlet groove, a fan arranged at the bottom of the air inlet pipe, a water collection tank arranged at the bottom of the fan, and an air outlet window arranged at the outer side wall of the water collection tank.

(III) beneficial effects

Compared with the prior art, the utility model provides the fire-fighting fire valve with high temperature resistance, which has the following beneficial effects:

this fire control fire prevention valve of high temperature resistant passes through the wire through setting up atomizing cooling subassembly with solenoid valve and booster pump in the atomizing cooling subassembly and the control end of fire prevention valve and is connected, link to each other booster pump and external water source again, when the high temperature valve flabellum that closes appears, the control end opens the solenoid valve automatically and starts the booster pump, make atomizing cooling subassembly spray atomized water to door frame and valve flabellum, make the atomized water that sprays carry out the heat absorption cooling to metal material's flabellum and frame, reduce the degree that flabellum and frame warp, thereby effectively avoid the risk that the flue gas appears leaking.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a mist cooling assembly according to the present utility model;

fig. 3 is a schematic view of a ventilation assembly according to the present utility model.

In the figure:

10. a valve assembly; 11. a door frame; 12. valve blades; 13. an actuator;

20. an atomization cooling component; 21. supporting the outer tube; 22. an atomizing nozzle; 23. an inner tube; 24. a connecting pipe; 25. an electromagnetic valve; 26. a booster pump; 27. a water inlet joint; 28. a mounting base;

30. an air extraction assembly; 31. a support plate; 32. an air inlet groove; 33. an air inlet pipe; 34. a blower; 35. a water collection tank; 36. and a vent window.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The fire-fighting fire-proof valve with high temperature resistance comprises a valve assembly 10, wherein the valve assembly 10 comprises a door frame 11, valve blades 12, an actuator 13 and a rotary shaft, wherein the inner frame is rotatably connected with the door frame 11, the actuator 13 is arranged at the top of the door frame 11, and an output shaft is fixedly connected with the rotary shaft of the valve blades 12;

the atomizing cooling subassembly 20 is installed to the lateral wall of door frame 11, atomizing cooling subassembly 20 includes support outer tube 21, fixed connection is in the lateral wall of door frame 11, atomizer 22 installs in the lateral wall of support outer tube 21, inner tube 23 sets up in the inside of support outer tube 21, connecting pipe 24 sets up in the lateral wall of inner tube 23, one end links to each other with atomizer 22, solenoid valve 25, install in the one end of inner tube 23, its electrical property input and the control end electricity of fire prevention valve are connected, booster pump 26, fixed connection is in the lateral wall of door frame 11, the play water end links to each other with solenoid valve 25, its electrical property input and the control end electricity of fire prevention valve are connected, and water inlet connector 27 sets up in the pumping end of booster pump 26, link to each other with external water source.

In this embodiment, specifically, the outer supporting tube 21 and the inner tube 23 are both made of high temperature resistant metal tubes, so that the risk of deformation and damage of the tube body during continuous high temperature can be avoided.

In this embodiment, specifically, at least four atomizing nozzles 22 are provided, so that the number of atomizing nozzles 22 can be appropriately increased according to the specification of the door frame 11, and atomized water can be uniformly sprayed on the outer surface of the valve body.

In this embodiment, specifically, the two ends of the outer supporting tube 21 are provided with mounting seats 28, the mounting seats 28 are fixed on the outer side wall of the top end of the door frame 11, and the outer supporting tube 21 is fixed on the top of the door frame 11 through the mounting seats 28.

Referring to fig. 1-3, after the valve assembly 10 is installed, a fire water source can be connected with the water inlet joint 27 through a pipeline, the signal interfaces of the electromagnetic valve 25 and the booster pump 26 are connected with the control end of the fire protection valve through wires, and after the installation of the pipeline and the pipeline is completed, the test can be performed;

at because high temperature, the control end of fire prevention valve closes valve flabellum 12, opens solenoid valve 25 and starts booster pump 26, makes external water source under booster pump 26's effect, pressurizes the water of drawing in to in pumping inner tube 23, finally through atomizer 22 with water atomizing blowout, make spun atomized water carry out the heat absorption cooling to valve flabellum 12 and the door frame 11 of metal material, reduce the deformation degree of valve flabellum 12 and door frame 11 to effectively avoid the risk that the flue gas appears leaking.

Example two

The function of accelerating the flow rate of the gas in the valve is added on the basis of the first embodiment.

The bottom of the valve assembly 10 is provided with an air extraction assembly 30 for accelerating the flow rate of air in the valve, the air extraction assembly 30 comprises a supporting plate 31, an air inlet groove 32, an air inlet pipe 33, a fan 34, a water collection tank 35, a fan 34, an air outlet window 36 and an outer side wall, wherein the outer side wall is fixedly connected with the bottom end of the valve assembly 10, the air inlet groove 32 is formed in the outer side wall of the supporting plate 31, the air inlet pipe 33 is arranged at the bottom of the air inlet groove 32, the fan 34 is arranged at the bottom end of the air inlet pipe 33, the water collection tank 35 is arranged at the bottom of the fan 34, and the air outlet window 36 is arranged on the outer side wall of the water collection tank 35.

Referring to fig. 1-3, when the atomized cooling assembly 20 works, the fan 34 is started, so that the fan 34 pumps the gas above the door frame 11 together with the water mist into the water collection tank 35 through the air inlet pipe 33 and the air inlet groove 32, the gas flow rate around the door frame 11 is increased, the heat dissipation efficiency is further improved, and in addition, the water mist can be collected in the water collection tank 35, so that the water mist is prevented from entering the valve and the pipeline.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A fire protection valve resistant to high temperature comprising a valve assembly (10), the valve assembly (10) comprising

A door frame (11),

a valve blade (12) rotatably connected to the inner frame of the door frame (11), and

the actuator (13) is arranged at the top of the door frame (11), and an output shaft is fixedly connected with the rotating shaft of the valve fan blade (12);

the method is characterized in that: an atomization cooling component (20) is arranged on the outer side wall of the door frame (11), and the atomization cooling component (20) comprises

A supporting outer tube (21) fixedly connected to the outer side wall of the door frame (11),

an atomizing nozzle (22) which is arranged on the outer side wall of the supporting outer tube (21),

an inner tube (23) provided inside the support outer tube (21),

a connecting pipe (24) arranged on the outer side wall of the inner pipe (23) and one end of which is connected with the atomizing nozzle (22),

a solenoid valve (25) installed at one end of the inner tube (23), the electrical input end of which is electrically connected with the control end of the fireproof valve,

a booster pump (26) fixedly connected to the outer side wall of the door frame (11), a water outlet end connected to the electromagnetic valve (25), an electrical input end electrically connected to the control end of the fireproof valve, and

the water inlet joint (27) is arranged at the water pumping end of the booster pump (26) and is connected with an external water source.

2. The high temperature resistant fire damper of claim 1, wherein: the supporting outer tube (21) and the inner tube (23) are both high-temperature-resistant metal tubes.

3. The high temperature resistant fire damper of claim 1, wherein: at least four atomizing spray heads (22) are arranged.

4. The high temperature resistant fire damper of claim 1, wherein: mounting seats (28) are arranged at two ends of the outer supporting tube (21), and the mounting seats (28) are fixed on the outer side wall of the top end of the door frame (11).

5. The high temperature resistant fire damper of claim 1, wherein: the bottom of the valve assembly (10) is provided with an air extraction assembly (30) for accelerating the flow rate of gas in the valve.

6. The high temperature resistant fire damper of claim 5, wherein: the pumping assembly (30) comprises

A supporting plate (31) fixedly connected to the outer side wall of the bottom end of the valve assembly (10),

an air inlet groove (32) which is arranged on the outer side wall of the supporting plate (31),

an air inlet pipe (33) arranged at the bottom of the air inlet groove (32),

a fan (34) arranged at the bottom end of the air inlet pipe (33),

a water collection tank (35) mounted at the bottom of the fan (34), and

and an air outlet window (36) which is arranged on the outer side wall of the water collection tank (35).

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