CN212536837U - Smoke exhaust fire prevention valve for accelerating smoke exhaust - Google Patents
Smoke exhaust fire prevention valve for accelerating smoke exhaust Download PDFInfo
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- CN212536837U CN212536837U CN202021311365.3U CN202021311365U CN212536837U CN 212536837 U CN212536837 U CN 212536837U CN 202021311365 U CN202021311365 U CN 202021311365U CN 212536837 U CN212536837 U CN 212536837U
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Abstract
The utility model relates to the technical field of smoke exhaust fire-proof valves, and discloses a smoke exhaust fire-proof valve for accelerating smoke exhaust, which solves the problems that the smoke exhaust speed of the smoke exhaust fire-proof valve is not fast enough, which can cause the residual smoke to bring potential safety hazards and even cause accidents, comprising a smoke exhaust fire-proof valve body, a filter screen and an exhaust fan, wherein the smoke exhaust fire-proof valve body is internally provided with a valve, an actuating mechanism is fixed on the outer wall of the smoke exhaust fire-proof valve body, one side of the valve is provided with a baffle plate which is fixed on the inner wall of the smoke exhaust fire-proof valve body, one side of the baffle plate far away from the valve is provided with a closing plate, a round pipe is fixed between the closing plate and the baffle plate, two ends of the round pipe respectively penetrate through the baffle plate and the closing plate, a first through hole is evenly arranged on the round pipe, the outer, thereby accelerating the smoke and dust to enter the round pipe and improving the smoke exhaust efficiency.
Description
Technical Field
The utility model relates to a fire prevention valve technical field that discharges fume especially relates to a fire prevention valve that discharges fume with higher speed.
Background
The smoke-discharging fire-resisting valve is a fire-resisting component, generally mounted on the pipeline of mechanical smoke-discharging system, normally is opened, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke-discharging pipeline interior smoke temp. is reached to 280 deg.C, and closed, and can meet the requirements of smoke-leaking quantity and fire-resisting integrity in a certain time so as to implement the functions of isolating smoke and resisting fire. The fire damper of discharging fume can find the not fast enough problem of speed of discharging fume unavoidably in the in-service use, if the speed of discharging fume is not fast enough, then can lead to the residual of flue gas and bring the potential safety hazard, cause the accident even, on the other hand also can produce too big pressure to the inner wall of fire damper of discharging fume, influences the follow-up use of fire damper of discharging fume, consequently, we have proposed a fire damper of discharging fume with higher speed and solve above-mentioned problem.
Disclosure of Invention
The utility model aims at solving the smoke exhaust fireproof valve smoke exhaust speed that exists among the prior art not fast enough, then can lead to the residual of flue gas and therefore bring the potential safety hazard, cause the shortcoming of accident even, and the fire prevention valve of discharging fume that acceleratees to carry out a cigarette proposed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fire prevention valve of discharging fume with higher speed of discharging fume, includes fire prevention valve body, filter screen and air exhauster of discharging fume, the inside of fire prevention valve body of discharging fume is provided with the valve, and is fixed with actuating mechanism on the outer wall of fire prevention valve body of discharging fume, one side of valve is provided with the baffle, the baffle is fixed on the inner wall of fire prevention valve body of discharging fume, and the baffle keeps away from one side of valve is provided with the shrouding, the shrouding with be fixed with the pipe between the baffle, the both ends of pipe run through respectively baffle and shrouding, and evenly seted up first through-hole on the pipe to the outside winding of pipe has the spiral pipe, the spiral pipe is close to the second through-.
Preferably, the exhaust fan is mounted on the outer wall of the smoke exhaust fire damper body through screws, and an air inlet of the exhaust fan is communicated with the spiral pipe through a pipeline.
Preferably, the filter screen is sleeved in the circular tube, the vertical section of the filter screen is circular, and the filter screen is mounted on the inner wall of the circular tube through screws.
Preferably, the length of the filter screen is equal to that of the circular tube.
Preferably, the spiral pipe is fixed on the inner wall of the smoke exhaust fire damper body, and an interval is arranged between the spiral pipe and the round pipe.
The utility model has the advantages that:
negative pressure is generated in the circular tube through the exhaust fan, so that smoke and dust can be accelerated to enter the circular tube, and the smoke exhaust efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a smoke-discharging fire damper for accelerating smoke discharge;
fig. 2 is the utility model provides a structural schematic diagram that a smoke exhaust fire damper who discharges fume with higher speed looks sideways.
In the figure: 1 smoke exhaust fire prevention valve body, 2 actuating mechanism, 3 valves, 4 air blowers, 5 clapboards, 6 shrouding, 7 pipes, 8 filter screens, 9 first through-holes, 10 spiral pipes, 11 second through-holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a smoke-discharging fire-resisting damper for accelerating smoke discharging comprises a smoke-discharging fire-resisting damper body 1, a filter screen 8 and an exhaust fan 4, wherein a valve 3 is arranged inside the smoke-discharging fire-resisting damper body 1, an actuating mechanism 2 is fixed on the outer wall of the smoke-discharging fire-resisting damper body 1, the actuating mechanism 2 is connected with the valve 3, a partition plate 5 is arranged on one side of the valve 3, the partition plate 5 is welded and fixed on the inner wall of the smoke-discharging fire-resisting damper body 1, a sealing plate 6 is arranged on one side of the partition plate 5 away from the valve 3, the sealing plate 6 is welded and fixed on the inner wall of the smoke-discharging fire-resisting damper body 1, a circular tube 7 is welded and fixed between the sealing plate 6 and the partition plate 5, two ends of the circular tube 7 respectively penetrate through the partition plate 5 and the sealing plate 6, circular holes matched with the partition plate 5 and the, filter screen 8's vertical cross-section is ring shape, and filter screen 8 mounting with screw is on the inner wall of pipe 7, filter screen 8's length equals with pipe 7's length, avoid the smoke and dust to get into spiral pipe 10 place space through filter screen 8, cause the jam of spiral pipe 10, the outside winding of pipe 7 has spiral pipe 10, second through-hole 11 has evenly been seted up to one side that spiral pipe 10 is close to pipe 7, spiral pipe 10 is fixed on the inner wall of the fire prevention valve body 1 that discharges fume, and be provided with the interval between spiral pipe 10 and the pipe 7, 4 mounting with screw of air exhauster on the outer wall of the fire prevention valve body 1 that discharges fume, and the air intake of air exhauster 4 passes.
In this embodiment, open valve 3 through actuating mechanism 2, open air exhauster 4 simultaneously, bleed through spiral pipe 10 by air exhauster 4 to the space between baffle 5, shrouding 6 and the pipe 7, make the inside from pipe 7 produce the negative pressure to accelerated the smoke and dust and carried out in pipe 7, improved its smoke exhaust efficiency, and filter the smoke and dust through filter screen 8, prevent that the second on the smoke and dust jam spiral pipe 10 from passing through 11.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A smoke-discharging fire damper for accelerating smoke discharging comprises a smoke-discharging fire damper body (1), a filter screen (8) and an exhaust fan (4), wherein a valve (3) is arranged inside the smoke-discharging fire damper body (1), and an actuating mechanism (2) is fixed on the outer wall of the smoke-discharging fire damper body (1), the smoke-discharging fire damper is characterized in that a partition plate (5) is arranged on one side of the valve (3), the partition plate (5) is fixed on the inner wall of the smoke-discharging fire damper body (1), a sealing plate (6) is arranged on one side, away from the valve (3), of the partition plate (5), a circular tube (7) is fixed between the sealing plate (6) and the partition plate (5), two ends of the circular tube (7) respectively penetrate through the partition plate (5) and the sealing plate (6), first through holes (9) are uniformly formed in the circular tube (7), and a spiral tube (10) is wound on, and second through holes (11) are uniformly formed in one side, close to the circular tube (7), of the spiral tube (10).
2. The smoke-discharging fireproof valve for accelerating smoke discharging according to claim 1, wherein the exhaust fan (4) is installed on the outer wall of the smoke-discharging fireproof valve body (1) in a screw mode, and the air inlet of the exhaust fan (4) is communicated with the spiral pipe (10) through a pipeline.
3. A smoke-discharging fire-resisting valve for accelerating smoke discharging according to claim 1, wherein a filter screen (8) is sleeved in the circular tube (7), the vertical section of the filter screen (8) is circular ring-shaped, and the filter screen (8) is installed on the inner wall of the circular tube (7) by screws.
4. A smoke evacuation fire damper of accelerated smoke evacuation in accordance with claim 3, wherein the length of said screen (8) is equal to the length of said circular tube (7).
5. The smoke-discharging fireproof valve for accelerating smoke discharging according to claim 1, wherein the spiral pipe (10) is fixed on the inner wall of the smoke-discharging fireproof valve body (1), and a space is arranged between the spiral pipe (10) and the circular pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021311365.3U CN212536837U (en) | 2020-07-07 | 2020-07-07 | Smoke exhaust fire prevention valve for accelerating smoke exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021311365.3U CN212536837U (en) | 2020-07-07 | 2020-07-07 | Smoke exhaust fire prevention valve for accelerating smoke exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212536837U true CN212536837U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021311365.3U Active CN212536837U (en) | 2020-07-07 | 2020-07-07 | Smoke exhaust fire prevention valve for accelerating smoke exhaust |
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| Country | Link |
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| CN (1) | CN212536837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
-
2020
- 2020-07-07 CN CN202021311365.3U patent/CN212536837U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048272A (en) * | 2021-03-27 | 2021-06-29 | 浙江尚扬通风设备有限公司 | Smoke-discharging fire-proof valve |
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