CN114508620A - High-efficiency smoke-discharging fire-proof valve and production process thereof - Google Patents
High-efficiency smoke-discharging fire-proof valve and production process thereof Download PDFInfo
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- CN114508620A CN114508620A CN202111670586.9A CN202111670586A CN114508620A CN 114508620 A CN114508620 A CN 114508620A CN 202111670586 A CN202111670586 A CN 202111670586A CN 114508620 A CN114508620 A CN 114508620A
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- 238000007599 discharging Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000003517 fume Substances 0.000 claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims abstract description 9
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 85
- 239000003063 flame retardant Substances 0.000 claims description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 239000012466 permeate Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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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
- F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
-
- 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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- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/10—Joints with packing adapted to sealing by fluid pressure the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0072—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using sprayed or atomised water
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (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)
- Air-Flow Control Members (AREA)
Abstract
The application discloses high-efficient fire prevention valve of discharging fume and production technology thereof relates to fire-fighting equipment technical field, it includes square casing, the flabellum, fuse device, rotary device and the adjustable mounting panel of a plurality of L types of setting at the casing both ends, adjustable mounting panel includes first mounting panel and second mounting panel, the both ends of casing correspond two first mounting panels and two second mounting panels respectively, first mounting panel and second mounting panel are along the crisscross setting of casing circumferential direction, first mounting panel slides along casing length direction and sets up on the casing, the second mounting panel rotates and connects on the casing, be provided with on the casing and be used for packing the locking piece on the casing with first mounting panel and second mounting panel locking, adjustable mounting panel is provided with the sealing member that is used for adjustable mounting panel and packs clearance between the pipeline open end terminal surface on keeping away from the terminal surface of casing. This application can improve the sealed effect between fire damper and the exhaust pipe of discharging fume.
Description
Technical Field
The application relates to the technical field of fire-fighting equipment, in particular to a high-efficiency smoke-discharging fire-proof valve and a production process thereof.
Background
The smoke-discharging fire-resisting valve is a fire-fighting component, generally mounted on the pipeline of mechanical smoke-discharging system, normally is in open state, when fire hazard occurs, the smoke-discharging fire-resisting valve is opened, when the smoke temp. in the smoke-discharging pipeline is reached to 280 deg.C, the smoke-discharging fire-resisting valve is 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.
Chinese patent No. 201810708656.7 in the related art proposes a fire-fighting smoke-discharging fire-proof valve convenient for installation, which comprises an installation shell, a middle rotating connecting shaft, sealing fan blades, a fusing device, a manual rotating device and an adjustable installation plate, wherein the adjustable installation plate is installed at the upper end and the lower end of the installation shell, and the adjustable installation plate and the installation shell are fixedly connected through a welding mode. The adjustable mounting panel is by the installation fixed orifices, the mounting panel that stretches out and draws back in, the board cover that stretches out and draws back outward, fastening nut and U type hole are constituteed, at first weld adjustable mounting panel on the installation casing through the board cover that stretches out and draws back, like this when the bore of exhaust pipe is different with anticipated, just can be through adjusting the relative position of interior expansion plate and the board cover that stretches out and draws back outward, then adjust the bore of fire damper of discharging fume to the bore the same size with current exhaust pipe, then use fastening nut to fix, at this moment rethread installation fixed orifices installs the fire damper of discharging fume on exhaust pipe, thereby make exhaust pipe can adapt to the exhaust pipe of different bores.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the smoke exhaust fire damper is installed on a smoke exhaust pipeline, the adjustable installation plate is perpendicular to the length direction of the smoke exhaust fire damper, when the end face of the opening end of the smoke exhaust pipeline is not perpendicular to the length direction of the smoke exhaust pipeline, after one end of the smoke exhaust fire damper is fixedly connected with the smoke exhaust pipeline on one side, the end face of the other end of the smoke exhaust fire damper cannot be tightly attached to the opening end of the smoke exhaust pipeline on the other side, smoke in the smoke exhaust pipeline can overflow from a gap between the end face of the opening end of the smoke exhaust pipeline and the adjustable installation plate, and therefore the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is poor.
Disclosure of Invention
In order to improve the poor problem of sealed effect between fire damper and the exhaust pipe of discharging fume, this application provides a high-efficient fire damper and production technology of discharging fume.
First aspect, the application provides a high-efficient fire prevention valve that discharges fume adopts following technical scheme:
an efficient smoke-discharging fire-proof valve comprises a square shell, fan blades, a fusing device, a rotating device and a plurality of L-shaped adjustable mounting plates arranged at two ends of the shell, the adjustable mounting plates comprise a first mounting plate and a second mounting plate, two ends of the shell respectively correspond to the two first mounting plates and the two second mounting plates, the first mounting plate and the second mounting plate are arranged in a staggered manner along the circumferential direction of the shell, the first mounting plate is arranged on the shell in a sliding manner along the length direction of the shell, the second mounting plate is rotationally connected to the shell, a locking piece used for locking the first mounting plate and the second mounting plate on the shell is arranged on the shell, the adjustable mounting plate is far away from the sealing element used for plugging a gap between the adjustable mounting plate and the end face of the opening end of the smoke exhaust pipeline is arranged on the end face of the shell.
By adopting the technical scheme, the fan blades are rotatably arranged in the shell, the fusing device and the rotating device are fixedly connected on the shell, the first mounting plate is connected on the shell in a sliding manner, and the second mounting plate is rotatably connected on the shell; driving the first mounting plate to slide on the shell according to the shape of the opening end of the smoke exhaust pipeline, driving the second mounting plate to rotate on the shell, enabling the first mounting plate and the second mounting plate to be respectively attached and matched with four end walls of the opening end of the smoke exhaust pipeline, locking the first mounting plate and the second mounting plate on the shell by using a locking piece, and then mounting and fixing the first mounting plate and the second mounting plate on the opening end of the smoke exhaust pipeline; the sealing element can be used for plugging a gap between the adjustable mounting plate and the end face of the opening end of the smoke exhaust pipeline, smoke in the smoke exhaust pipeline is prevented from overflowing from the gap between the end face of the opening end of the smoke exhaust pipeline and the adjustable mounting plate as far as possible, and the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is guaranteed.
Optionally, a lateral wall of adjustable mounting panel with casing perisporium parallel arrangement, the rigid coupling has the pivot on the casing, the second mounting panel with the pivot is rotated and is connected, the length dimension of second mounting panel is greater than the width dimension of casing, two first mounting panel and two the second mounting panel encloses jointly into closed annular frame.
Through adopting above-mentioned technical scheme, the pivot rotates the second mounting panel and connects on the casing, rotate the second mounting panel according to the shape of exhaust pipe open end tip, make the open end wall laminating adaptation of second mounting panel and exhaust pipe, because the length dimension of second mounting panel is greater than the width dimension of casing, so the second mounting panel is after rotating, two first mounting panels that are located the second mounting panel both ends all with the lateral wall butt of second mounting panel, make two first mounting panels and two second mounting panels enclose synthetic closed annular frame jointly, smoke in the exhaust pipe that reduces as far as possible spills over from the seam of first mounting panel and second mounting panel, improve the sealed effect between exhaust gas fire damper and the exhaust pipe.
Optionally, an arc groove is formed in the second mounting plate, and the locking piece locks the second mounting plate on the shell through the arc groove.
Through adopting above-mentioned technical scheme, rotate the second mounting panel according to the shape of exhaust pipe open end tip for the adaptation of second mounting panel and exhaust pipe's open end wall laminating, then use through the collocation of locking piece and circular arc groove, make the second mounting panel by quick locking on the casing, setting up of circular arc groove still can provide the condition on the casing by the locking piece locking after the second mounting panel rotates.
Optionally, a flame-retardant sponge is arranged on the side wall of the adjustable mounting plate parallel to the circumferential wall of the shell, and the flame-retardant sponge is located between the adjustable mounting plate and the shell.
Through adopting above-mentioned technical scheme, fire-retardant sponge can be clogged the clearance between adjustable mounting panel and the casing, blocks as far as possible smog in the exhaust pipe and the spark in the smog and overflows through the clearance between adjustable mounting panel and the casing.
Optionally, the sealing element is a high-temperature-resistant airbag, a connecting block is fixedly connected to the airbag, and a connecting groove for connecting the connecting block is formed in a side wall of the adjustable mounting plate perpendicular to the circumferential wall of the housing;
the water tank is arranged on the peripheral wall of the shell, the water tank is communicated with a water guide pipe, one end, far away from the water tank, of the water guide pipe penetrates through the connecting block to be communicated with the air bag, and a water pump used for controlling the on-off of water flow is arranged on the water guide pipe.
Through adopting above-mentioned technical scheme, in the spread groove with the connecting block joint of adjustable mounting panel on the gasbag for the gasbag is by stable installation on adjustable mounting panel, start the water pump, make in the water tank pass through in water guide pipe flows to the gasbag, make the gasbag fill the clearance between adjustable mounting panel and the exhaust pipe open end terminal surface, avoid the smog in the exhaust pipe to spill over from the clearance between exhaust pipe open end terminal surface and the adjustable mounting panel as far as possible, ensured the sealed effect between fire damper and the exhaust pipe of discharging fume. When sparks are mixed in smoke in the smoke exhaust pipeline, the air bag is filled with water, so that the tolerance of the air bag in a high-temperature environment can be prolonged. Meanwhile, when the smoke flows to the air bag, the water in the air bag can cool the smoke around the air bag, and the influence on the sealing performance of the joint of the adjustable mounting plate and the smoke exhaust pipeline due to the high temperature of the smoke is avoided as much as possible.
Optionally, a temperature sensor electrically connected with the water pump is arranged in the casing.
Through adopting above-mentioned technical scheme, the temperature sensor can monitor the temperature of the smog of emission in the casing, and when the mars content in the smog was big, the gasbag was easily burnt out, leads to the water logging in the gasbag to spill into the exhaust pipe in, and when the temperature sensor monitored the temperature and was higher than the predetermined value simultaneously, the temperature sensor was through controlling the water pump work for the water in the water tank discharges to the gasbag department that is burnt out through the aqueduct, and in flooding into the exhaust pipe, pours out the mars in the exhaust pipe.
Optionally, a mounting groove is formed in the connecting block, the mounting groove is communicated with the airbag, a main pipeline is arranged in the mounting groove, the main pipeline is communicated with the water guide pipe, and a plurality of water spraying heads used for spraying water are arranged on the main pipeline.
By adopting the technical scheme, the main pipeline is stably installed in the installation groove, the water guide pipe is communicated with the main pipeline, the water guide pipe guides water in the water tank to the main pipeline, and after the air bag is burnt, water in the main pipeline is sprayed out through the water spray head to extinguish sparks in the smoke exhaust pipeline.
In a second aspect, the application provides a production process of a high-efficiency smoke exhaust fire damper, which adopts the following technical scheme:
s1, manufacturing a shell: gradually unfolding and flattening a steel strip coil, bending the steel strip into a square frame shape according to design requirements, and riveting two ends of the steel strip together to manufacture a square shell connected end to end;
s2, mounting fan blades, fusing device and rotating device: welding a rotating rod on the fan blade, rotatably connecting two ends of the rotating rod to the shell through a rotating bearing, and then riveting the fusing device and the rotating device on the shell through rivets;
s3, mounting an air bag: clamping a connecting block on the air bag into a connecting groove of the adjustable mounting plate, so that the air bag is stably mounted on the adjustable mounting plate;
s4, mounting an adjustable mounting plate: the first mounting plate is connected to the shell in a sliding mode, the second mounting plate is connected to the shell in a rotating mode, and the first mounting plate and the second mounting plate are locked to the shell through a locking piece;
s5, the air bag is communicated with the water tank: one end of the water guide pipe is communicated with the water tank, and the other end of the water guide pipe is inserted into the air bag and communicated with the air bag.
By adopting the technical scheme, the manufacturing process is simple, most of operations can be realized through mechanical equipment or manual operation, parts adopted in the method are conventional objects, the manufacturing cost is low, the manufactured efficient smoke exhaust fire damper can be adapted to smoke exhaust pipelines with different opening end faces, and sparks in the smoke exhaust pipelines can be extinguished.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the second mounting plate is rotatably connected to the shell through the rotating shaft, the second mounting plate is rotated according to the shape of the end part of the open end of the smoke exhaust pipeline, so that the second mounting plate is in fit with the end wall of the open end of the smoke exhaust pipeline, and after the second mounting plate is rotated, the two first mounting plates at the two ends of the second mounting plate are abutted against the side wall of the second mounting plate, so that the two first mounting plates and the two second mounting plates jointly form a closed annular frame in a surrounding mode, smoke in the smoke exhaust pipeline is reduced to overflow from the joint of the first mounting plate and the second mounting plate as far as possible, and the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is improved;
2. the air bag is used for filling a gap between the adjustable mounting plate and the end face of the opening end of the smoke exhaust pipeline, so that smoke in the smoke exhaust pipeline is prevented from overflowing from the gap between the end face of the opening end of the smoke exhaust pipeline and the adjustable mounting plate as far as possible, and the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is guaranteed;
3. when sparks are mixed in smoke in the smoke exhaust pipeline, the air bag is filled with water, so that the tolerance of the air bag in a high-temperature environment can be prolonged; after the air bag is burnt, water in the air bag is soaked into the smoke exhaust pipeline, and sparks in the smoke exhaust pipeline are cast out;
4. the production process of the high-efficiency smoke-discharging fireproof valve is simple, most of operations can be realized through mechanical equipment or manual operation, parts adopted in the method are conventional objects, the manufacturing cost is low, the manufactured high-efficiency smoke-discharging fireproof valve can be adapted to smoke discharge pipelines with different opening end faces, and sparks in the smoke discharge pipelines can be extinguished.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a housing, fan blades, a fusing device, a rotating device, a water tank, a water pump and a temperature sensor in the embodiment of the present application.
FIG. 3 is a schematic view of the structure of a second mounting plate, a locking member, a rotating shaft, a circular arc groove, a flame-retardant sponge and an air bag according to an embodiment of the present application.
FIG. 4 is a schematic view of the first mounting plate, the locking member, the flame retardant sponge and the airbag in an embodiment of the present application.
FIG. 5 is a schematic sectional view of the first mounting plate, the fire-retardant sponge, the air bag, the connecting block, the main pipe and the sprinkler head according to the embodiment of the present application.
Fig. 6 is a schematic flow chart of a production process of the high-efficiency smoke exhaust fire damper in the embodiment of the application.
Reference numerals: 1. a housing; 2. a fan blade; 3. a fusing device; 4. a rotating device; 5. an adjustable mounting plate; 51. a first mounting plate; 52. a second mounting plate; 6. a locking member; 7. a rotating shaft; 8. an arc groove; 9. a flame-retardant sponge; 10. an air bag; 11. connecting blocks; 12. connecting grooves; 13. a water tank; 14. a water conduit; 15. a water pump; 16. a temperature sensor; 17. mounting grooves; 18. a main pipe; 19. a sprinkler head; 20. mounting holes; 21. a chute.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses high-efficient fire prevention valve that discharges fume.
Referring to fig. 1 and 2, the high-efficiency smoke-discharging fire-proof valve comprises a square shell 1, fan blades 2, a fusing device 3, a rotating device 4 and a plurality of L-shaped adjustable mounting plates 5 arranged at two ends of the shell 1, wherein the shell 1 is made of steel materials, a steel strip is bent into a square frame shape according to design requirements, and then two ends of the steel strip are riveted together to form the end-to-end square shell 1. Flabellum 2 is located casing 1, and flabellum 2 is provided with a plurality ofly, and a plurality of 2 intervals of flabellum set up, and flabellum 2 rotates through the bull stick to be connected in casing 1, and a plurality of flabellums 2 can shelter from casing 1's bore to block the circulation of smog in exhaust pipe. The fusing device 3 and the rotating device 4 are riveted on the outer peripheral wall of the shell 1 through rivets. The adjustable mounting plate 5 connects the two ends of the shell 1 with smoke exhaust pipelines at the two ends of the smoke exhaust fire damper respectively, so that the smoke exhaust fire damper can be stably mounted.
In a normal state, the fan blade 2 does not shield the caliber of the shell 1, and air at two ends of the smoke exhaust pipeline can exchange gas through the smoke exhaust fire damper; when the conflagration breaks out, in the smog that the conflagration in-process produced flows through the fire damper that discharges fume, because have spark in the smog, spark makes fusing device 3 fused for rotary device 4 starts, and rotary device 4 orders about flabellum 2 and rotates, and a plurality of flabellums 2 shelter from the bore of casing 1, in order to block the circulation of smog in the exhaust pipe.
Referring to fig. 1 and 2, the adjustable mounting plate 5 is adjustably mounted on the housing 1, one side wall of the adjustable mounting plate 5 is parallel to the peripheral wall of the housing 1, the other side wall is perpendicular to the peripheral wall of the housing 1, the adjustable mounting plate 5 includes a first mounting plate 51 and a second mounting plate 52, two ends of the housing 1 respectively correspond to the two first mounting plates 51 and the two second mounting plates 52, the first mounting plates 51 and the second mounting plates 52 are staggered along the circumferential direction of the housing 1, the first mounting plate 51 is slidably disposed on the housing 1 along the length direction of the housing 1, and the second mounting plates 52 are rotatably connected to the housing 1. According to the shape of smoke exhaust pipe open end tip, order about first mounting panel 51 and slide, order about second mounting panel 52 and rotate for first mounting panel 51 and second mounting panel 52 all with smoke exhaust pipe's open end wall laminating adaptation, make the fire damper of discharging fume can carry out the stable connection with the smoke exhaust pipe of different port shapes.
Referring to fig. 1 and 2, a locking member 6 for locking the adjustable mounting plate 5 on the casing 1 is disposed on the casing 1, in this embodiment, the locking member 6 is a locking bolt, a mounting hole 20 for the locking bolt to penetrate is disposed on the casing 1, a nut is screwed on a threaded portion of the locking bolt, and the adjustable mounting plate 5 is quickly locked on the casing 1 through the locking bolt.
Referring to fig. 1 and 3, a flame-retardant sponge 9 is bonded to a side wall of the second mounting plate 52 parallel to the circumferential wall of the housing 1, the flame-retardant sponge 9 is located between the second mounting plate 52 and the housing 1, and the flame-retardant sponge 9 can fill a gap between the second mounting plate 52 and the housing 1, so as to prevent smoke in the smoke exhaust duct and sparks in the smoke from overflowing through the gap between the second mounting plate 52 and the housing 1 as much as possible.
Referring to fig. 1 and 3, a rotating shaft 7 is welded and fixed to the housing 1, and the second mounting plate 52 is rotatably connected to the rotating shaft 7. The second mounting plate 52 is provided with an arc groove 8, and the position of the circle center corresponding to the arc groove 8 coincides with the position of the rotating shaft 7. The locking bolt sequentially penetrates through the arc groove 8 and the mounting hole 20, and the second mounting plate 52 is rapidly locked on the shell 1.
Referring to fig. 1 and 4, the flame-retardant sponge 9 is also bonded to the side wall of the first mounting plate 51 parallel to the circumferential wall of the housing 1, the flame-retardant sponge 9 is located between the first mounting plate 51 and the housing 1, and the flame-retardant sponge 9 can fill the gap between the first mounting plate 51 and the housing 1, so as to prevent smoke in the smoke exhaust duct and sparks in the smoke from overflowing through the gap between the first mounting plate 51 and the housing 1 as much as possible.
Referring to fig. 1 and 4, the first mounting plate 51 is provided with a sliding groove 21 in a penetrating manner, the sliding groove 21 extends along the sliding direction of the first mounting plate 51, the locking bolt sequentially penetrates through the sliding groove 21 and the mounting hole 20, and the first mounting plate 51 is locked on the housing 1 quickly.
Referring to fig. 1, the length dimension of the second mounting plate 52 is greater than the width dimension of the housing 1, so that after the second mounting plate 52 rotates, the two first mounting plates 51 at the two ends of the second mounting plate 52 are abutted to the side walls of the second mounting plate 52, so that the two first mounting plates 51 and the two second mounting plates 52 jointly enclose a closed annular frame, the smoke in the smoke exhaust pipeline is reduced to overflow from the seams between the first mounting plates 51 and the second mounting plates 52 as much as possible, and the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is improved.
Referring to fig. 1 and 5, a sealing element for filling a gap between the adjustable mounting plate 5 and the end face of the opening end of the smoke exhaust pipeline is arranged on the end face, far away from the shell 1, of the adjustable mounting plate 5, the sealing element is set to be a high-temperature-resistant air bag 10, a connecting block 11 is fixedly connected to the air bag 10, the connecting block 11 is made of rubber materials, the connecting block 11 and the air bag 10 are integrally formed, and the air bag 10 is arranged along the length direction of the adjustable mounting plate 5. The side wall of the adjustable mounting plate 5 vertical to the peripheral wall of the shell 1 is provided with a connecting groove 12 for connecting the connecting block 11. When installing gasbag 10 on adjustable mounting panel 5, earlier joint connecting block 11 joint in connecting groove 12, gasbag 10 inlays under the connection effect of connecting block 11 and connecting groove 12 and establishes and install on adjustable mounting panel 5 this moment, and the one side that gasbag 10 kept away from adjustable mounting panel 5 is located outside connecting groove 12.
Referring to fig. 1 and 5, a mounting groove 17 is formed in the connecting block 11, the mounting groove 17 is communicated with the airbag 10, and the mounting groove 17 extends along the length direction of the airbag 10. A main pipeline 18 is fixedly connected in the mounting groove 17, the main pipeline 18 is arranged along the length direction of the mounting groove 17, a plurality of water spraying heads 19 used for spraying water are welded on the main pipeline 18, and the plurality of water spraying heads 19 are all obliquely arranged towards the inside of the shell 1.
Referring to fig. 1 and 5, a water tank 13 is fixedly connected to the circumferential wall of the housing 1 through screws, a water conduit 14 is communicated with the water tank 13, an adjustable mounting plate 5 and a connecting block 11 are arranged at one end of the water conduit 14 far away from the water tank 13 in a penetrating manner and are communicated with a main pipeline 18, and a water pump 15 for controlling the on-off of water flow is arranged on the water conduit 14.
Referring to fig. 2 and 5, a temperature sensor 16 electrically connected to the water pump 15 is fixed to the inside of the housing 1 by screws. The temperature sensor 16 can monitor the temperature of the smoke discharged from the shell 1, when the content of sparks in the smoke is high, the air bag 10 is easily burnt, so that water in the air bag 10 permeates into the smoke exhaust pipeline, and when the temperature sensor 16 monitors that the temperature is higher than a preset value, the temperature sensor 16 controls the water pump 15 to work, so that the water in the water tank 13 is discharged to the burnt air bag 10 through the water guide pipe 14 and permeates into the smoke exhaust pipeline, and the sparks in the smoke exhaust pipeline are extinguished.
The implementation principle of the high-efficient fire prevention valve that discharges fume of this application embodiment does: the first mounting plate 51 is driven to slide on the shell 1 according to the shape of the end part of the open end of the smoke exhaust pipeline, the second mounting plate 52 is driven to rotate on the shell 1, the first mounting plate 51 and the second mounting plate 52 are respectively attached to four end walls of the open end of the smoke exhaust pipeline, then the first mounting plate 51 and the second mounting plate 52 are locked on the shell 1 through the locking piece 6, and then the first mounting plate 51 and the second mounting plate 52 are fixed on the open end of the smoke exhaust pipeline through screw installation.
The water pump 15 is started, the water in the water tank 13 is guided to the air bag 10 by the water pump 15 through the water guide pipe 14, the air bag 10 filled with water fills the gap between the adjustable mounting plate 5 and the end face of the opening end of the smoke exhaust pipeline, smoke in the smoke exhaust pipeline is prevented from overflowing from the gap between the end face of the opening end of the smoke exhaust pipeline and the adjustable mounting plate 5 as far as possible, and the sealing effect between the smoke exhaust fire damper and the smoke exhaust pipeline is guaranteed.
When the content of sparks in smoke in the smoke exhaust fire damper is high, the air bag 10 is easy to burn, water in the air bag 10 is caused to permeate into a smoke exhaust pipeline, and meanwhile, when the temperature detected by the temperature sensor 16 is higher than a preset value, the temperature sensor 16 controls the water pump 15 to work, so that water in the water tank 13 is discharged to the burnt air bag 10 through the water guide pipe 14 and permeates into the smoke exhaust pipeline, and the sparks in the smoke exhaust pipeline are extinguished.
The embodiment of the application also discloses a production process of the high-efficiency smoke exhaust fire damper.
Referring to fig. 6, based on the above-mentioned high-efficiency smoke-discharging fire-resisting damper, the production process of the high-efficiency smoke-discharging fire-resisting damper comprises the following steps:
s1, manufacturing case 1: gradually unfolding and flattening a steel strip coil, bending the steel strip into a square frame shape according to design requirements, and riveting two ends of the steel strip together to manufacture a square shell 1 connected end to end;
s2, mounting fan blade 2, fusing device 3, and rotating device 4: welding a rotating rod on the fan blade 2, rotatably connecting two ends of the rotating rod to the shell 1 through a rotating bearing, and then riveting the fusing device 3 and the rotating device 4 on the shell 1 through rivets;
s3, mounting the airbag 10: clamping a connecting block 11 on the air bag 10 into a connecting groove 12 of the adjustable mounting plate 5, so that the air bag 10 is stably mounted on the adjustable mounting plate 5;
s4, mounting the adjustable mounting plate 5: the first mounting plate 51 is connected to the shell 1 in a sliding mode, the second mounting plate 52 is connected to the shell 1 in a rotating mode, and the first mounting plate 51 and the second mounting plate 52 are locked on the shell 1 through the locking piece 6;
s5, the air bag 10 is communicated with the water tank 13: one end of the water guide pipe 14 is communicated with the water tank 13, and the other end is inserted into the air bag 10 and communicated with the air bag 10.
The implementation principle of the production process of the high-efficiency smoke exhaust fire damper in the embodiment of the application is as follows: the production process of the high-efficiency smoke-discharging fireproof valve is simple, most of operations can be realized through mechanical equipment or manual operation, parts adopted in the method are conventional objects, the manufacturing cost is low, the manufactured high-efficiency smoke-discharging fireproof valve can be adapted to smoke discharge pipelines with different opening end faces, and sparks in the smoke discharge pipelines can be extinguished.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a high-efficient fire prevention valve that discharges fume, includes square casing (1), flabellum (2), fusing device (3), rotary device (4) and sets up adjustable mounting panel (5) of a plurality of L types at casing (1) both ends, its characterized in that: the adjustable mounting plate (5) comprises a first mounting plate (51) and a second mounting plate (52), two ends of the shell (1) respectively correspond to the two first mounting plates (51) and the two second mounting plates (52), the first mounting plates (51) and the second mounting plates (52) are arranged in a staggered manner along the circumferential direction of the shell (1), the first mounting plate (51) is arranged on the shell (1) in a sliding manner along the length direction of the shell (1), the second mounting plate (52) is rotatably connected to the shell (1), a locking piece (6) used for locking the first mounting plate (51) and the second mounting plate (52) on the shell (1) is arranged on the shell (1), the adjustable mounting plate (5) is far away from the end face of the shell (1) and is provided with a sealing element for plugging a gap between the adjustable mounting plate (5) and the end face of the opening end of the smoke exhaust pipeline.
2. The efficient smoke evacuation fire damper of claim 1, wherein: a lateral wall of adjustable mounting panel (5) with casing (1) perisporium parallel arrangement, the rigid coupling has pivot (7) on casing (1), second mounting panel (52) with pivot (7) rotate to be connected, the length dimension of second mounting panel (52) is greater than the width dimension of casing (1), two first mounting panel (51) and two second mounting panel (52) enclose synthetic closed annular frame jointly.
3. The efficient smoke evacuation fire damper of claim 2, wherein: circular arc groove (8) have been seted up on second mounting panel (52), locking piece (6) pass through circular arc groove (8) will second mounting panel (52) locking is in on casing (1).
4. The efficient smoke evacuation fire damper of claim 1, wherein: the adjustable mounting plate (5) and the side wall parallel to the peripheral wall of the shell (1) are provided with flame-retardant sponge (9), and the flame-retardant sponge (9) is positioned between the adjustable mounting plate (5) and the shell (1).
5. The efficient smoke evacuation fire damper of claim 1, wherein: the sealing element is a high-temperature-resistant air bag (10), a connecting block (11) is fixedly connected to the air bag (10), and a connecting groove (12) for connecting the connecting block (11) is formed in the side wall, perpendicular to the peripheral wall of the shell (1), of the adjustable mounting plate (5);
the water tank (13) is arranged on the peripheral wall of the shell (1), the water tank (13) is communicated with a water guide pipe (14), one end, far away from the water tank (13), of the water guide pipe (14) penetrates through the connecting block (11) to be communicated with the air bag (10), and a water pump (15) used for controlling water flow to be switched on and off is arranged on the water guide pipe (14).
6. The efficient smoke evacuation fire damper of claim 5, wherein: a temperature sensor (16) electrically connected with the water pump (15) is arranged in the shell (1).
7. The efficient smoke evacuation fire damper of claim 5, wherein: the water spraying device is characterized in that a mounting groove (17) is formed in the connecting block (11), the mounting groove (17) is communicated with the air bag (10), a main pipeline (18) is arranged in the mounting groove (17), the main pipeline (18) is communicated with the water guide pipe (14), and a plurality of water spraying heads (19) used for spraying water are arranged on the main pipeline (18).
8. The production process of the high-efficiency smoke-discharging fire-proof valve is characterized in that: the high-efficiency smoke exhaust fire protection valve based on any one of claims 5 to 7, wherein the production process of the high-efficiency smoke exhaust fire protection valve comprises the following steps:
s1, manufacturing the shell (1): gradually unfolding and flattening a steel strip coil, bending the steel strip into a square frame shape according to design requirements, and riveting two ends of the steel strip together to manufacture a square shell (1) connected end to end;
s2, installing the fan blade (2), the fusing device (3) and the rotating device (4): welding a rotating rod on the fan blade (2), rotatably connecting two ends of the rotating rod to the shell (1) through a rotating bearing, and then riveting the fusing device (3) and the rotating device (4) on the shell (1) through rivets;
s3, mounting the airbag (10): clamping a connecting block (11) on the air bag (10) into a connecting groove (12) of the adjustable mounting plate (5) so that the air bag (10) is stably mounted on the adjustable mounting plate (5);
s4, mounting an adjustable mounting plate (5): the first mounting plate (51) is connected to the shell (1) in a sliding mode, the second mounting plate (52) is connected to the shell (1) in a rotating mode, and the first mounting plate (51) and the second mounting plate (52) are locked to the shell (1) through a locking piece (6);
s5, the air bag (10) is communicated with the water tank (13): one end of the water guide pipe (14) is communicated with the water tank (13), and the other end is inserted into the air bag (10) and communicated with the air bag (10).
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| CN202111670586.9A CN114508620B (en) | 2021-12-31 | 2021-12-31 | High-efficiency smoke-discharging fireproof valve and production process thereof |
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| CN202111670586.9A CN114508620B (en) | 2021-12-31 | 2021-12-31 | High-efficiency smoke-discharging fireproof valve and production process thereof |
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| US20020051683A1 (en) * | 2000-10-30 | 2002-05-02 | Musser Kenneth D. | Adjustable base unit for angularly adjusting mounting disposition of silo fill tube |
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| US20170067264A1 (en) * | 2015-09-09 | 2017-03-09 | Walk Safe Innovations, Llc | Rough-in box for creating penetrations in poured concrete flooring and method of use |
| CN210830649U (en) * | 2019-08-31 | 2020-06-23 | 广东韶钢松山股份有限公司 | High-temperature fireproof gas sealing valve |
| CN213629126U (en) * | 2020-11-21 | 2021-07-06 | 武汉顺风冷暖设备有限公司 | Outer frame body of smoke exhaust fire damper and novel smoke exhaust fire damper |
| CN113669465A (en) * | 2021-08-06 | 2021-11-19 | 段其辉 | Smoke-discharging fire-proof valve |
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2021
- 2021-12-31 CN CN202111670586.9A patent/CN114508620B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020051683A1 (en) * | 2000-10-30 | 2002-05-02 | Musser Kenneth D. | Adjustable base unit for angularly adjusting mounting disposition of silo fill tube |
| CN2846937Y (en) * | 2005-08-11 | 2006-12-13 | 张晓强 | Automatic fire-proof valve for fluepipe |
| US20170067264A1 (en) * | 2015-09-09 | 2017-03-09 | Walk Safe Innovations, Llc | Rough-in box for creating penetrations in poured concrete flooring and method of use |
| CN210830649U (en) * | 2019-08-31 | 2020-06-23 | 广东韶钢松山股份有限公司 | High-temperature fireproof gas sealing valve |
| CN213629126U (en) * | 2020-11-21 | 2021-07-06 | 武汉顺风冷暖设备有限公司 | Outer frame body of smoke exhaust fire damper and novel smoke exhaust fire damper |
| CN113669465A (en) * | 2021-08-06 | 2021-11-19 | 段其辉 | Smoke-discharging fire-proof valve |
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| CN114508620B (en) | 2024-02-13 |
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