CN211924971U

CN211924971U - Fire control is with high temperature resistant fire prevention valve

Info

Publication number: CN211924971U
Application number: CN201922483421.5U
Authority: CN
Inventors: 章烨
Original assignee: Zhejiang Qili Hvac Equipment Co ltd
Current assignee: Zhejiang Qili Hvac Equipment Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-13
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a fire control is with high temperature resistant fire prevention valve, including framework, valve block, the valve block is located inside the framework, the framework with the valve block integrated configuration is unanimous, all is provided with the three-layer, is fire prevention fire-retardant layer, insulating layer, supporting layer respectively, fire prevention fire-retardant layer is the magnesium hydrate dope layer, and thickness is 1mm, the insulating layer is the asbestos layer, and thickness is 1mm, the supporting layer is the titanium alloy layer, and thickness is 2mm, fire prevention fire-retardant layer, insulating layer, supporting layer are arranged from inside to outside in proper order, just fire prevention fire-retardant layer, insulating layer, supporting layer pass through the adhesive bonding fixedly, the adhesive is heat-resisting fire resistance binder. The utility model discloses a fire-resistant fire-retardant layer, insulating layer and supporting layer make the fire prevention valve have high temperature resistance characteristic to can use in the fire control conflagration.

Description

Fire control is with high temperature resistant fire prevention valve

Technical Field

The utility model relates to a fire prevention equipment field, in particular to fire control is with high temperature resistant fire prevention valve.

Background

The fire-proof valve is a valve form closed by the action of gravity and spring mechanism, and is closed by memory alloy.

The fire prevention valve of fire control usefulness when not taking place the conflagration, is parallel to each other between the valve block and makes the air can circulate between the valve block and guaranteed ventilation effect, when taking place the conflagration, need close each other between the valve block to play and separate the effect of fire and separate the cigarette.

However, the existing fire-proof valve is limited in fire resistance and flame retardance of the valve plate and the frame body, and the fire-proof valve is damaged and burnt when a fire disaster occurs, so that fire and smoke can pass through the fire-proof valve, the requirements of smoke leakage quantity and fire resistance integrity cannot be met, and the effect of smoke isolation and fire prevention cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire control is with high temperature resistant fire prevention valve has solved current fire prevention valve fire-resistant fire resistance limited and lead to itself damaged being difficult to play the effect that separates the cigarette fire prevention in the conflagration.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a fire control is with high temperature resistant fire prevention valve, includes framework, valve block, the valve block is located inside the framework, the framework with the valve block constitutional structure is unanimous, all is provided with the three-layer, is fire prevention fire-retardant layer, insulating layer, supporting layer respectively, fire prevention fire-retardant layer is the magnesium hydrate dope layer, and thickness is 1mm, the insulating layer is the asbestos layer, and thickness is 1mm, the supporting layer is the titanium alloy layer, and thickness is 2mm, fire prevention fire-retardant layer, insulating layer, supporting layer are arranged from inside to outside in proper order, just fire prevention fire-retardant layer, insulating layer, supporting layer pass through the adhesive bonding fixed, the adhesive is heat-resisting fire resistance binder.

By adopting the technical scheme, the valve plate and the frame body have the characteristic of high temperature resistance through the fireproof flame-retardant layer, the heat-insulating layer and the supporting layer, so that the valve plate can resist the corrosion of high temperature and cannot be burnt or burnt, and the fireproof valve can be closed in the fire and can block fire and smoke from penetrating through the valve plate when the environments such as fire disasters occur.

Preferably, the valve plate is provided with two pieces which are respectively positioned on two sides of the frame body and symmetrically distributed, two sides of the valve plate are fixedly connected with expansion material fixing strips, and the thickness of the expansion material fixing strips is consistent with that of the valve plate.

Adopt above-mentioned technical scheme, through set up the inflation material fixed strip in valve block both sides, when the valve block rotated to the coplanar, can play the sealing action when the inflation material fixed strip contacted the lateral wall of valve block with other positions, prevent that fire or cigarette from wearing out from contacting the department.

Preferably, the valve plate further comprises a supporting rod, the supporting rod is vertically arranged, the supporting rod is located in the middle of the frame body and fixedly connected with the frame body, grooves I are formed in two sides of the frame body, grooves II are formed in two sides of the supporting rod, and the sizes of the grooves I and the grooves II are consistent with the thickness of the valve plate.

By adopting the technical scheme, the support rod is arranged in the middle of the frame body, when the valve plates are closed, the seal structure can be formed between the support rod and the valve plates, and fire and smoke are prevented from overflowing between the two valve plates.

Preferably, the improved air conditioner further comprises a driving device, the driving device comprises a motor, a rotating shaft, a convex block and a supporting rod, the rotating shaft is provided with two rotating shafts which are vertically arranged and respectively penetrate through the middle parts of the two valve plates and fixedly connected with the valve plates, the upper end and the lower end of the rotating shaft are rotatably connected with the frame body, the motor is located on the upper portion of the rotating shaft, the output end of the motor is fixedly connected with the rotating shaft, the two convex blocks are arranged on the middle parts of the back surfaces of the two valve plates and fixedly connected with the valve plates, and the two ends of the supporting rod are located at the top of the.

By adopting the technical scheme, the motor through the driving device enables the rotating shaft to rotate, so that the valve plates on one side of the motor are driven to rotate, and the valve plates on the other side are driven by the convex blocks and the supporting rods to rotate, so that the two valve plates can be opened or closed simultaneously.

Preferably, the bottom of the valve plate is fixedly connected with a sealing strip, and the sealing strip is a flame-retardant strip.

Adopt above-mentioned technical scheme, make between valve block bottom and the framework can seal through set up the sealing strip in the valve block bottom, fire and cigarette wear out from the valve block bottom when preventing the conflagration to because need seal fire and cigarette, therefore the material of sealing strip needs fire-resistant fire-retardant.

Preferably, the fog lamp is positioned on the top of the frame body and fixedly connected with the frame body.

Adopt above-mentioned technical scheme, through setting up the fog lamp, play the warning effect to adopt the fog lamp as the warning light even also can see under the dense smoke environment, further strengthen the effect of warning.

Preferably, the fog lamp further comprises a temperature sensor, the temperature sensor is located on one side of the frame body and fixedly connected with the frame body, the temperature sensor is connected with a sensing control system, and the sensing control system is electrically connected with a switch of the motor and a switch of the fog lamp.

By adopting the technical scheme, the temperature sensor is arranged, so that the temperature can be controlled by the control system to control the switch of the motor and the fog lamp when reaching a certain value, the valve plate is closed, and the fog lamp on the upper part of the frame body gives an alarm.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of a display frame according to an embodiment;

FIG. 3 is a schematic structural view of an embodiment of a bar;

FIG. 4 is a schematic view illustrating the assembly of the valve plate according to the embodiment;

FIG. 5 is a schematic structural diagram of a driving device according to an embodiment;

fig. 6 is a schematic structural view of the valve plate and the frame body.

Reference numerals: 1. a frame body; 2. a valve plate; 3. a temperature sensor; 4. a fog light; 5. a fixed strip of intumescent material; 6. a sealing strip; 7. a first groove; 8. a second groove; 9. a motor; 10. a bump; 11. a strut; 12. a rotating shaft; 13. a fire resistant and flame retardant layer; 14. a thermal insulation layer; 15. and (4) a support layer.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 6, a fire-fighting high-temperature-resistant fire-proof valve comprises a frame body 1 and a valve plate 2, wherein the valve plate 2 is positioned inside the frame body 1, the frame body 1 and the valve plate 2 have the same composition structure, and are respectively provided with three layers, namely a fire-proof flame-retardant layer 13, a heat-insulating layer 14 and a supporting layer 15, the fire-proof flame-retardant layer 13 is a magnesium hydroxide coating layer with the thickness of 1mm, the magnesium hydroxide is a novel filling fire retardant, the surface temperature of the synthetic material filled with the synthetic material in the flame is reduced by releasing the bound water and absorbing a large amount of latent heat when the synthetic material is heated and decomposed, the synthetic material has the effects of inhibiting the decomposition of polymers and cooling the generated combustible gas, therefore, the magnesium hydroxide is an excellent flame retardant with three functions of flame retardance, smoke suppression and filling, and the magnesium hydroxide coating layer enables the fire damper to have the characteristics of high temperature resistance and flame retardance, so that the fire damper is prevented from being burnt out in a fire disaster and cannot work normally.

The heat insulating layer 14 is an asbestos layer having a thickness of 1mm, which is a silicate mineral product having high tensile strength, high flexibility, chemical and thermal corrosion resistance, electrical insulation, and spinnability, and is a generic name of silicate minerals of natural fiber piles, and has high fire resistance and heat insulating properties, so that the heat insulating layer 14 prevents the frame body 1 and the valve sheet 2 from being damaged due to excessive external temperature using the asbestos.

The supporting layer 15 is a titanium alloy layer, the thickness is 2mm, the titanium alloy is an alloy formed by adding other elements on the basis of titanium, the strength is high, the weight is light, and the high-temperature resistance is achieved, the titanium alloy is used as a material of the frame, so that the frame has high strength and certain high-temperature resistance, and the external fireproof flame-retardant layer 13 is prevented from being easily burnt when damaged.

The fireproof flame-retardant layer 13 and the heat-insulating layer 14 are sequentially arranged from inside to outside, the fireproof flame-retardant layer 13, the heat-insulating layer 14 and the support layer 15 are bonded and fixed through an adhesive, the adhesive is a heat-resistant flame-retardant adhesive, a silicone adhesive is adopted, the silicone adhesive is strong in bonding force and has flame retardancy, and the silicone adhesive can be used for bonding materials such as asbestos, ceramic, metal and alloy, and therefore the silicone adhesive is selected as the adhesive.

Valve block 2 and framework 1 all make valve block 2 and framework 1 have high temperature resistance effect through setting up of this three layer construction to make whole fire prevention valve have high temperature resistance effect, make the fire prevention valve can use in the fire control field.

With figure 1, valve block 2 is provided with two, it is the symmetric distribution to be located 1 both sides of framework respectively, 2 both sides fixedly connected with expandable material fixed strip 5 of valve block, 5 thickness of expandable material fixed strip are unanimous with valve block 2, the branch 11 of the vertical direction of 1 middle part fixedly connected with of framework, 11 materials of branch here are unanimous with valve block 2 and 1 materials of framework, shown with figure 2, framework 1 both sides are seted up fluted 7, shown with figure 3, two 8 recesses have been seted up to 11 both sides of branch, the size of a recess 7 and two 8 recesses is unanimous with the thickness of valve block 2.

When a fire does not need to take fire-fighting measures, the two valve plates 2 are in a parallel state, and wind and smoke can pass through the valve plates 2 on the two sides, so that ventilation and dredging are facilitated.

When conflagration and the intensity of a fire can't put out and control, in order to avoid the intensity of a fire to come out from the fire prevention valve and spread, consequently need close the fire prevention valve, it is shown with figure 1 this moment, two valve blocks 2 are and are located same one deck, and the expansion material fixed strip 5 at both ends is located notch and inconsistent about valve block 2, rise along with the increase fire prevention valve peripheral temperature of intensity of a fire, thereby make expansion material fixed strip 5 inflation, fill in full recess one 7 and recess two 8, form encapsulated situation, prevent that the intensity of a fire from stretching from the fire prevention valve.

The expansion material fixing strip 5 adopts expanded graphite, the expanded graphite is a loose and porous worm-like substance obtained by intercalating, washing, drying and high-temperature expanding natural graphite flakes, the expanded graphite has excellent performances of cold and heat resistance, corrosion resistance, self-lubrication and the like of the natural graphite, and also has softness, compression resilience and adsorbability which are not possessed by the natural graphite, the initial expansion temperature of the expanded graphite is 290 ℃, namely the expanded graphite begins to expand when the ambient temperature reaches 290 ℃, and the amount of the expanded graphite is controlled to ensure that the first groove 7 and the second groove 8 are just fully filled after the expansion.

Drive arrangement includes motor 9, pivot 12, lug 10, branch 11, shown with figure 5, pivot 12 is provided with two, be vertical setting, pass two block 2 middle parts respectively and with block 2 fixed connection, both ends rotate with framework 1 about the pivot 12 and be connected, motor 9 is located 12 upper portions of pivot and motor 9 output and pivot 12 fixed connection, lug 10 is provided with two, be located two block 2 back middle parts respectively and with block 2 fixed connection, 11 both ends of branch are located lug 10 top and are articulated with lug 10.

When the fire damper is closed, the motor 9 is started, the motor 9 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the valve plates 2 close to the motor 9 to rotate, and the valve plates 2 far away from the motor 9 are enabled to rotate synchronously through the convex blocks 10 and the supporting rods 11, so that the two valve plates 2 are located in the same plane, and the fire damper is closed.

One side fixedly connected with fog lamp 4 at frame 1 top, fog lamp 4 plays the warning effect to adopt fog lamp 4 as the warning light even also can see under the dense smoke environment, further strengthen the effect of warning.

Opening of motor 9 and fog lamp 4 is stopped all and is realized through temperature sensor 3, and temperature sensor 3 fixed connection is at the top of framework 1, and temperature sensor 3 is connected with sensing control system, and sensing control system and the switch of motor 9 and the switch electric connection of fog lamp 4.

The sensing temperature of the temperature sensor 3 is 280 ℃, namely when the temperature reaches 280 ℃, the temperature sensor 3 transmits a signal to the sensing control system, the sensing control system controls the opening and closing of the motor 9 and the fog lamp 4, so that the fog lamp 4 is turned on, and the motor 9 rotates to enable the valve plate 2 to rotate and close the fire-proof valve.

Because the expansion temperature of the expanded graphite is 290 ℃, the expanded graphite begins to expand when the fire damper is closed and fills the first groove 7 and the second groove 8, so that the fire damper is closed, and fire and smoke are prevented from overflowing from the fire damper.

Through setting up inflation material fixed strip 5 in 2 both sides of valve block, when valve block 2 changes to the coplanar, can play sealed effect when contacting with other positions through inflation material fixed strip 5 to the lateral wall of valve block 2, prevent that fire or cigarette from wearing out from contacting, through set up branch 11 in frame 1 middle part, can form seal structure between branch 11 and the valve block 2 when valve block 2 closes, prevent that fire and cigarette from spilling over between two valve blocks 2.

The bottom of the valve plate 2 is also fixedly connected with a sealing strip 6, wherein the sealing strip 6 is made of ethylene propylene diene monomer foaming rubber strips, the ethylene propylene diene monomer is a copolymer of ethylene, propylene and a small amount of third monomer non-conjugated diene monomer, and has excellent weather resistance and aging resistance, and has a flame retardant effect, so that the ethylene propylene diene monomer foaming rubber strips are selected as the sealing strip 6, have a flame retardant effect while being sealed, and further protect the fire damper.

Claims

1. A fire-fighting high-temperature-resistant fire-proof valve, which is characterized by comprising a frame body (1) and a valve plate (2), the valve block (2) is positioned in the frame body (1), the frame body (1) and the valve block (2) have the same composition structure, three layers are respectively arranged, namely a fireproof flame-retardant layer (13), a heat-insulating layer (14) and a supporting layer (15), the fireproof flame-retardant layer (13) is a magnesium hydroxide coating layer with the thickness of 1mm, the heat insulation layer (14) is an asbestos layer with the thickness of 1mm, the supporting layer (15) is a titanium alloy layer with the thickness of 2mm, the fireproof flame-retardant layer (13), the heat-insulating layer (14) and the supporting layer (15) are sequentially arranged from inside to outside, and the fireproof flame-retardant layer (13), the heat-insulating layer (14) and the supporting layer (15) are bonded and fixed through an adhesive, and the adhesive is a heat-resistant flame-retardant adhesive.

2. The fire-fighting high-temperature-resistant fire-proof valve according to claim 1, characterized in that the valve plate (2) is provided with two pieces, which are symmetrically arranged on two sides of the frame body (1), the two sides of the valve plate (2) are fixedly connected with expansion material fixing strips (5), and the thickness of the expansion material fixing strips (5) is consistent with that of the valve plate (2).

3. The fire-fighting high-temperature-resistant fire-proof valve according to claim 2, characterized by further comprising a supporting rod (11), wherein the composition structure of the supporting rod (11) is consistent with the composition structure of the valve plate (2) and the valve body, the supporting rod (11) is vertically arranged, the supporting rod (11) is located in the middle of the frame body (1) and fixedly connected with the frame body (1), grooves I (7) are formed in two sides of the frame body (1), grooves II (8) are formed in two sides of the supporting rod (11), and the sizes of the grooves I (7) and the grooves II (8) are consistent with the thickness of the valve plate (2).

4. A fire fighting refractory fire damper as in claim 3, further comprising a drive device, the driving device comprises a motor (9), a rotating shaft (12), a convex block (10) and a support rod (11), the two rotating shafts (12) are vertically arranged and respectively penetrate through the middle parts of the two valve plates (2) and are fixedly connected with the valve plates (2), the upper end and the lower end of the rotating shaft (12) are rotationally connected with the frame body (1), the motor (9) is positioned at the upper part of the rotating shaft (12), the output end of the motor (9) is fixedly connected with the rotating shaft (12), the two convex blocks (10) are respectively positioned in the middle of the back surfaces of the two valve plates (2) and fixedly connected with the valve plates (2), the two ends of the supporting rod (11) are positioned at the top of the convex block (10) and hinged with the convex block (10).

5. The fire-fighting high-temperature-resistant fire valve according to claim 4, characterized in that a sealing strip (6) is fixedly connected to the bottom of the valve plate (2), and the sealing strip (6) is a flame-retardant sealing strip (6).

6. A fire-fighting fire-resistant fire damper as claimed in claim 5, characterized by further comprising a fog lamp (4), wherein the fog lamp (4) is located at the top of the frame body (1) and is fixedly connected with the frame body (1).

7. The fire-fighting high-temperature-resistant fire damper according to claim 6, further comprising a temperature sensor (3), wherein the temperature sensor (3) is located on one side of the frame body (1) and is fixedly connected with the frame body (1), the temperature sensor (3) is connected with a sensing control system, and the sensing control system is electrically connected with a switch of the motor (9) and a switch of the fog lamp (4).