CN114251466A - Fireproof device for smoke prevention and exhaust air pipe and installation method thereof - Google Patents
Fireproof device for smoke prevention and exhaust air pipe and installation method thereof Download PDFInfo
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- CN114251466A CN114251466A CN202210009505.9A CN202210009505A CN114251466A CN 114251466 A CN114251466 A CN 114251466A CN 202210009505 A CN202210009505 A CN 202210009505A CN 114251466 A CN114251466 A CN 114251466A
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- smoke
- plate
- pipe body
- prevention
- smoke exhaust
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating 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
- F16L23/00—Flanged joints
- F16L23/12—Flanged joints specially adapted for particular pipes
- F16L23/14—Flanged joints specially adapted for particular pipes for rectangular pipes
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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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/006—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for pipes with a rectangular cross-section
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to the field of fire-proof equipment, in particular to a fire-proof device for a smoke-discharge prevention air pipe and an installation method thereof, which comprise a smoke-discharge prevention pipe body, an installation plate and a locking reset device, wherein a rotating shaft is rotatably connected in the smoke-discharge prevention pipe body, a rotating plate is arranged on the rotating shaft, sealing plates are respectively arranged at the top and the bottom of the inner wall of the smoke-discharge prevention pipe body and are respectively positioned at two sides of the rotating plate, the installation plate is arranged at one side of the smoke-discharge prevention pipe body, one end of the rotating shaft extends to the installation plate and is connected with a driving rod, a driving device is arranged on the installation plate and comprises a fixing plate, an air cylinder, a sliding rod and a limiting block, the fixing plate is fixed at one side of the installation plate, the device can conveniently adjust the ventilation condition of the smoke-discharge prevention pipe body, the rotating plate is more stable and cannot shake when being static, and the sealing performance of the rotating plate when being closed is also improved, the sealing strip further improves the sealing of the rotary plate when it is closed.
Description
Technical Field
The invention relates to the technical field of fireproof equipment, in particular to a fireproof device for a smoke prevention and exhaust air pipe and an installation method thereof.
Background
The smoke preventing and exhausting system consists of air exhausting pipeline, pipe well, fireproof valve, door switch, air exhausting fan and other equipment. The smoke prevention system is arranged in a positive pressure mode in the staircase. The smoke discharge amount of the mechanical smoke discharge system has a direct relation with a smoke-proof subarea, and smoke-proof facilities of a high-rise building are divided into smoke-proof facilities for mechanical pressurized air supply and natural smoke discharge facilities for opening an external window.
The air pipe is a pipeline system for conveying and distributing air, and comprises a composite air pipe and an inorganic air pipe. The composite air duct is represented by an air duct. They can be classified according to their sectional shapes and materials. The stainless steel air duct is made by coating sealing glue (such as neutral glass cement) on the seams such as seaming seam, rivet seam, flange flanging four corners, etc. However, the fire-proof equipment in the existing smoke-proof air pipe is inconvenient to adjust, has low fire safety and is not stable enough during installation.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fireproof device for a smoke prevention and exhaust air pipe and an installation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fire protection device for a smoke-discharging prevention air duct comprises a smoke-discharging fire protection pipe body, a mounting plate and a locking reset device, wherein a rotating shaft is rotatably connected in the smoke-discharging fire protection pipe body, a rotating plate is arranged on the rotating shaft, sealing plates are respectively arranged at the top and the bottom of the inner wall of the smoke-discharging fire protection pipe body and are respectively positioned at two sides of the rotating plate, the mounting plate is arranged at one side of the smoke-discharging fire protection pipe body, one end of the rotating shaft extends to the mounting plate and is connected with a driving rod, a driving device is arranged on the mounting plate and comprises a fixing plate, an air cylinder, a sliding rod and a limiting block, the fixing plate is fixed at one side of the mounting plate, the air cylinder is arranged at one side of the fixing plate, the locking reset device comprises a connecting rod, a spring, a fixing block, a first retaining ring and a second retaining ring, and one end of the rotating shaft, which is far away from the mounting plate, extends out of the smoke-discharging fire protection pipe body and is connected with one end of the connecting rod, the first retaining ring is arranged at the other end of the connecting rod.
Preferably, the tail end of the piston rod in the cylinder is connected with a slide rod, and the tail end of the slide rod is connected with a limiting block.
Preferably, the driving rod is provided with a sliding groove, and the sliding rod is in sliding fit with the sliding groove.
Preferably, the fixed block is connected on the lateral wall of the smoke exhaust fireproof pipe body, and the second retaining ring is arranged at the bottom of the fixed block.
Preferably, the two ends of the spring are provided with hooks, and the hooks are matched with the first retaining ring and the second retaining ring.
Preferably, one side of the sealing plate close to the rotating plate is provided with a sealing strip, and the sealing strip is attached to the end part of the rotating plate.
Preferably, the both ends of the fireproof pipe body of discharging fume all are equipped with the flange board, and all are equipped with a plurality of mounting holes on the flange board.
A method of installing a fire protection device for a smoke protection and exhaust duct, comprising the steps of:
the method comprises the following steps: the smoke-discharging fireproof pipe body is characterized in that mounting equipment is arranged outside the smoke-discharging fireproof pipe body and comprises a carrying strip, connecting rods and fixing blocks, the two connecting rods are arranged on two sides of the carrying strip respectively, the fixing blocks are arranged at the top ends of the connecting rods, and through holes are formed in the fixing blocks;
step two: the smoke-discharging fireproof pipe body and the ventilation pipeline can be connected together by matching bolts with the mounting holes;
step three: through-hole on the bolt cooperation fixed block installs erection equipment on the fixed surface of top, and erection equipment holds the fire prevention body of discharging fume, makes its more firm.
The invention has the beneficial effects that:
1. this device can be convenient adjust the ventilation condition to the fire prevention body of discharging fume, and then the effectual fire prevention security who prevents discharging fume the tuber pipe of having guaranteed, and the rotor plate more firm when static can not rock, has also improved the leakproofness of rotor plate when the closure, and the sealing strip makes the leakproofness of rotor plate when the closure obtain further improvement.
2. According to the smoke exhaust fireproof pipe body, the mounting equipment is mounted on the top fixing surface through the bolts matched with the through holes in the fixing block, and the mounting equipment supports the smoke exhaust fireproof pipe body, so that the smoke exhaust fireproof pipe body is more stable.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a fire protection device for a smoke prevention and exhaust duct according to the present invention;
FIG. 2 is a schematic side view of a fire protection device for a smoke protection and exhaust duct according to the present invention;
FIG. 3 is an enlarged schematic view of the fire protection device for a smoke and smoke protection duct according to the present invention at the A position;
FIG. 4 is an enlarged schematic view of a fire protection device for a smoke and smoke protection duct according to the present invention at the position B;
fig. 5 is a schematic side view of a fire protection device for a smoke protection duct according to the present invention.
In the figure: the smoke exhaust and fire prevention pipe comprises a smoke exhaust and fire prevention pipe body 1, a mounting plate 2, a driving rod 3, a sliding groove 31, a flange plate 4, a driving device 5, a fixing plate 51, a cylinder 52, a sliding rod 53, a limiting block 54, a locking and resetting device 6, a connecting rod 61, a spring 62, a fixing block 63, a first retaining ring 64, a second retaining ring 65, a rotating shaft 7, a rotating plate 8, a sealing plate 9, a sealing strip 10, a mounting device 11, a bearing strip 111, a connecting rod 112, a fixing block 113 and a mounting hole 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a fire protection device for a smoke-discharging prevention air duct comprises a smoke-discharging prevention duct body 1, a mounting plate 2 and a locking reset device 6, wherein a rotating shaft 7 is rotatably connected in the smoke-discharging prevention duct body 1, a rotating plate 8 is arranged on the rotating shaft 7, sealing plates 9 are respectively arranged at the top and the bottom of the inner wall of the smoke-discharging prevention duct body 1, the sealing plates 9 are respectively arranged at two sides of the rotating plate 8, the mounting plate 2 is arranged at one side of the smoke-discharging prevention duct body 1, one end of the rotating shaft 7 extends to the mounting plate 2 and is connected with a driving rod 3, a driving device 5 is arranged on the mounting plate 2, the driving device 5 comprises a fixing plate 51, an air cylinder 52, a sliding rod 53 and a limiting block 54, the fixing plate 51 is fixed at one side of the mounting plate 2, the air cylinder 52 is arranged at one side of the fixing plate 51, the locking reset device 6 comprises a connecting rod 61, a spring 62, a fixing block 63, a first retaining ring 64 and a second retaining ring 65, and one end of the rotating shaft 7, which is far away from the mounting plate 2, extends out of the smoke evacuation fire protection pipe body 1 and is connected with one end of the connecting rod 61, and the first retaining ring 64 is arranged at the other end of the connecting rod 61.
The tail end of a piston rod in the cylinder 52 is connected with a sliding rod 53, the tail end of the sliding rod 53 is connected with a limiting block 54, the driving rod 3 is provided with a sliding groove 31, and the sliding rod 53 is in sliding fit with the sliding groove 31. The cylinder 52 is started, the cylinder 52 drives the sliding rod 53 to slide in the chute 31, the sliding rod 53 drives the driving rod 3 to rotate, the driving rod 3 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the rotating plate 8 to rotate, and the ventilation condition of the smoke exhaust fireproof pipe body 1 can be adjusted after the rotating plate 8 rotates.
Wherein, fixed block 63 is connected on the lateral wall of smoke exhaust fireproof pipe body 1, and second buckle 65 sets up the bottom at fixed block 63, and spring 62 both ends all are equipped with the couple, and couple and first buckle 64 and second buckle 65 phase-match. When axis of rotation 7 rotated, axis of rotation 7 drove connecting rod 61 and rotates, connecting rod 61 extension spring 62, and spring 62 can provide certain elasticity this moment, and axis of rotation 7 has one to reply and changes power to form a counter force with actuating lever 3, make rotor plate 8 more firm when static can not rock, also improved the leakproofness of rotor plate 8 when the closure.
Wherein, the one side that is close to rotor plate 8 of closing plate 9 all is equipped with sealing strip 10, and sealing strip 10 and the laminating of 8 tip of rotor plate, and the both ends of the fireproof pipe body 1 of discharging fume all are equipped with flange board 4, and all are equipped with a plurality of mounting holes 12 on the flange board 4. The sealing strip 10 further improves the tightness of the rotary plate 8 when it is closed.
A method of installing a fire protection device for a smoke protection and exhaust duct, comprising the steps of:
the method comprises the following steps: the installation device 11 is arranged outside the smoke-discharging fireproof pipe body 1, the installation device 11 comprises a bearing strip 111, connecting rods 112 and fixing blocks 113, the two connecting rods 112 are respectively arranged at two sides of the bearing strip 111, the fixing blocks 113 are arranged at the top ends of the connecting rods 112, and through holes are formed in the fixing blocks 113;
step two: the smoke-discharging fireproof pipe body 1 and the ventilation pipeline can be connected together by matching bolts with the mounting holes 12;
step three: through-hole on the bolt cooperation fixed block 113 installs erection equipment 11 on the top fixed surface, and erection equipment 11 holds the fire prevention body 1 of discharging fume, makes its more firm.
The first embodiment is as follows: the cylinder 52 is started, the cylinder 52 drives the slide rod 53 to slide in the chute 31, the slide rod 53 drives the driving rod 3 to rotate, the driving rod 3 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the rotating plate 8 to rotate, the ventilation condition of the smoke exhaust fireproof pipe body 1 can be adjusted after the rotating plate 8 rotates, and then the fireproof safety of the smoke exhaust prevention air pipe is effectively guaranteed.
Example two: open cylinder 52, cylinder 52 drive slide bar 53 slides in spout 31, slide bar 53 drives actuating lever 3 and rotates, actuating lever 3 drives axis of rotation 7 and rotates, axis of rotation 7 drives rotor plate 8 and rotates, when axis of rotation 7 rotates, axis of rotation 7 drives connecting rod 61 and rotates, connecting rod 61 extension spring 62, spring 62 can provide certain elasticity this moment, axis of rotation 7 has one to reply and changes power, thereby form an opposition force with actuating lever 3, make rotor plate 8 more firm when static can not rock, the leakproofness of rotor plate 8 when closed has also been improved, sealing strip 10 makes rotor plate 8 obtain further improvement in the leakproofness when closed.
Example three: the outside of fire prevention body 1 of discharging fume sets up erection equipment 11, and erection equipment 11 includes bearing strip 111, connecting rod 112 and fixed block 113, and two connecting rods 112 set up respectively in the both sides of bearing strip 111, and fixed block 113 sets up the top at connecting rod 112, and sets up the through-hole on fixed block 113. The smoke-discharging fireproof pipe body 1 and the ventilation pipeline can be connected together by matching bolts with the mounting holes 12; through-hole on the bolt cooperation fixed block 113 installs erection equipment 11 on the top fixed surface, and erection equipment 11 holds the fire prevention body 1 of discharging fume, makes its more firm.
Thereby this device can be convenient adjust the ventilation condition of the fire prevention body 1 of discharging fume, and rotor plate 8 more firm when static can not rock, has also improved the leakproofness of rotor plate 8 when closed, and sealing strip 10 makes the leakproofness of rotor plate 8 when closed obtain further improvement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Claims (8)
1. A fire protection device for a smoke protection and exhaust duct, comprising:
the smoke-discharging fireproof pipe body (1) is rotatably connected with a rotating shaft (7) in the smoke-discharging fireproof pipe body (1), a rotating plate (8) is arranged on the rotating shaft (7), sealing plates (9) are arranged at the top and the bottom of the inner wall of the smoke-discharging fireproof pipe body (1), and the sealing plates (9) are respectively positioned on two sides of the rotating plate (8);
the smoke exhaust and fire prevention device comprises a mounting plate (2), wherein the mounting plate (2) is arranged on one side of a smoke exhaust and fire prevention pipe body (1), one end of a rotating shaft (7) extends to the mounting plate (2) and is connected with a driving rod (3), a driving device (5) is arranged on the mounting plate (2), the driving device (5) comprises a fixing plate (51), an air cylinder (52), a sliding rod (53) and a limiting block (54), the fixing plate (51) is fixed on one side of the mounting plate (2), and the air cylinder (52) is arranged on one side of the fixing plate (51); and
locking resetting means (6), locking resetting means (6) include connecting rod (61), spring (62), fixed block (63), first buckle (64) and second buckle (65), and axis of rotation (7) keep away from the one end of mounting panel (2) and extend to outside the fire prevention body of discharging fume (1) and be connected with connecting rod (61) one end, first buckle (64) set up the other end at connecting rod (61).
2. The fire protection device for a smoke exhaust prevention duct according to claim 1, wherein a slide rod (53) is connected to the end of a piston rod in the cylinder (52), and a stopper (54) is connected to the end of the slide rod (53).
3. A fire protection device for a smoke exhaust prevention duct according to claim 2, wherein the driving rod (3) is provided with a sliding slot (31), and the sliding rod (53) is slidably engaged with the sliding slot (31).
4. A fire protection device for a smoke exhaust protection hood according to claim 1, characterized in that the fixing block (63) is attached to the side wall of the smoke exhaust protection hood body (1) and the second retaining ring (65) is arranged at the bottom of the fixing block (63).
5. A fire protection device for a smoke exhaust prevention duct according to claim 4, wherein hooks are provided at both ends of said spring (62) and are matched with said first retaining ring (64) and said second retaining ring (65).
6. The fire protection device for the smoke exhaust prevention air duct according to claim 1, wherein the sealing plate (9) is provided with a sealing strip (10) on one side close to the rotating plate (8), and the sealing strip (10) is attached to the end of the rotating plate (8).
7. A fire protection device for a smoke exhaust prevention duct according to claim 1, wherein both ends of the smoke exhaust prevention duct body (1) are provided with flange plates (4), and the flange plates (4) are provided with a plurality of mounting holes (12).
8. A method of installing a fire protection device for a smoke protection hood according to any one of claims 1 to 7, wherein: the method comprises the following steps:
the method comprises the following steps: the smoke-discharging fireproof pipe body (1) is externally provided with mounting equipment (11), the mounting equipment (11) comprises a carrying strip (111), connecting rods (112) and fixing blocks (113), the two connecting rods (112) are respectively arranged on two sides of the carrying strip (111), the fixing blocks (113) are arranged at the top ends of the connecting rods (112), and through holes are formed in the fixing blocks (113);
step two: the smoke-discharging fireproof pipe body (1) can be connected with the ventilation pipeline through the bolt matched with the mounting hole (12);
step three: through-hole on bolt cooperation fixed block (113) is installed erection equipment (11) on the fixed surface of top, and erection equipment (11) hold fire prevention body (1) of discharging fume, make its more firm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009505.9A CN114251466A (en) | 2022-01-06 | 2022-01-06 | Fireproof device for smoke prevention and exhaust air pipe and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210009505.9A CN114251466A (en) | 2022-01-06 | 2022-01-06 | Fireproof device for smoke prevention and exhaust air pipe and installation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114251466A true CN114251466A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210009505.9A Pending CN114251466A (en) | 2022-01-06 | 2022-01-06 | Fireproof device for smoke prevention and exhaust air pipe and installation method thereof |
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| Country | Link |
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| CN (1) | CN114251466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181916A (en) * | 2023-04-28 | 2023-05-30 | 江苏华洋新思路能源装备股份有限公司 | Smoke exhaust fire damper convenient to install |
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2022
- 2022-01-06 CN CN202210009505.9A patent/CN114251466A/en active Pending
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| EP1460352A1 (en) * | 2003-03-18 | 2004-09-22 | Tri-Air Innovations Limited | Air flow controller and fire damper in an air flow duct |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116181916A (en) * | 2023-04-28 | 2023-05-30 | 江苏华洋新思路能源装备股份有限公司 | Smoke exhaust fire damper convenient to install |
| CN116181916B (en) * | 2023-04-28 | 2023-09-19 | 江苏华洋新思路能源装备股份有限公司 | Smoke exhaust fire damper convenient to install |
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Application publication date: 20220329 |