CN110306756B - Prevention flue gas of prefabricated building is scurried device on - Google Patents
Prevention flue gas of prefabricated building is scurried device on Download PDFInfo
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- CN110306756B CN110306756B CN201910662176.6A CN201910662176A CN110306756B CN 110306756 B CN110306756 B CN 110306756B CN 201910662176 A CN201910662176 A CN 201910662176A CN 110306756 B CN110306756 B CN 110306756B
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- 230000002265 prevention Effects 0.000 title claims abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims description 7
- 239000003546 flue gas Substances 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000009423 ventilation Methods 0.000 claims abstract description 87
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 10
- 230000005465 channeling Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/021—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by bubbling the gas through a liquid bath
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/04—Air-ducts or air channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
- F03D9/43—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures using infrastructure primarily used for other purposes, e.g. masts for overhead railway power lines
- F03D9/45—Building formations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a smoke upward-fleeing prevention device for an assembly type building, which comprises a first ventilation pipe arranged on the inner wall of a vertical shaft of each floor, wherein the upper end of the first ventilation pipe is provided with a communicated second ventilation pipe, the first ventilation pipe and the second ventilation pipe are in an inverted T shape, a fan is arranged inside the second ventilation pipe, a motor is fixed on the outer wall of the first ventilation pipe below the second ventilation pipe, an output shaft of the motor extends into the first ventilation pipe and is provided with a connecting rod, the upper end of the connecting rod is provided with a blocking plate, the upper part of the first ventilation pipe is also provided with a water tank, the upper part of the second ventilation pipe is provided with an air inlet pipe extending to the bottom of the water tank, the upper part of the water tank is provided with an air outlet pipe, the device adjusts the communication state between the vertical shaft and the floor through a rotatable blocking plate, when a fire occurs, and the first ventilation pipe is used for communicating the inner part of the building with the vertical shaft, so that air convection is realized, and a good ventilation state in the building is kept.
Description
Technical Field
The invention relates to the field of fabricated buildings, in particular to a device for preventing flue gas from flowing upwards for a fabricated building.
Background
The prefabricated building is a novel building mode assembled by prefabricated parts, the prefabricated building is widely popularized in the current country, compared with the common building mode, the prefabricated building has higher efficiency, energy conservation, environmental protection and high standardization and informatization degree, the overall structure of the prefabricated building is basically the same as that of the existing building, and therefore the inventor associates with the case of fire which has happened: in fabricated building tall buildings, the chimney effect can be a cause of a violent exacerbation of the fire. The hot air from a fire occurring at a lower level, due to its lower density, is allowed to flow upwards through the elevator shaft or fire tunnel, causing a constant accumulation of hot gases at the top of the tunnel, with the result that the fire is able to create another fire scene at the top level of the building through convection of this air. Not only makes the rescue more difficult, but also endangers the life safety of the personnel going to the balcony for escape.
Disclosure of Invention
In view of the above, the present invention is directed to a smoke channeling prevention device for an assembly building, which solves all or one of the above-mentioned drawbacks of the prior art.
The device for preventing smoke from upward flowing comprises a first ventilation pipe arranged on the inner wall of each floor shaft, a second ventilation pipe communicated with the upper end of the first ventilation pipe is arranged at the upper end of the first ventilation pipe, the first ventilation pipe and the second ventilation pipe are in an inverted T shape, a fan is arranged inside the second ventilation pipe, a motor is fixed on the outer wall of the first ventilation pipe below the second ventilation pipe, an output shaft of the motor extends into the first ventilation pipe and is provided with a connecting rod, a blocking plate is arranged at the upper end of the connecting rod, when the connecting rod rotates to a vertically upward position, two ends of the blocking plate are tightly abutted against the inner walls at two sides of the second ventilation pipe, when the connecting rod rotates to a position horizontally facing the shaft, two ends of the blocking plate are tightly abutted against the inner walls at two sides of the first ventilation pipe, a water tank is also arranged at the upper part of the first ventilation pipe, and an, and an air outlet pipe is arranged at the upper part of the water tank.
Optionally, the device further comprises a controller arranged on the inner wall of the shaft, and the motor is electrically connected with the controller.
Optionally, the upper part of the water tank is provided with a water adding pipe.
Optionally, the upper portion of water tank is equipped with the water pump, the water inlet of water pump is equipped with the inlet tube that extends to the water tank bottom, the delivery port of water pump is equipped with the outlet pipe that sets up at each floor top, equidistant distribution has a plurality of fire control shower nozzles on the outlet pipe.
Optionally, a liquid level sensor is arranged at the upper end inside the water tank, and the liquid level sensor is electrically connected with the controller.
Optionally, a filter screen is arranged inside the air outlet pipe.
Optionally, a drain pipe is arranged at the bottom of the water tank, an electromagnetic valve for controlling the drain pipe to open and close is arranged on the drain pipe, and the electromagnetic valve is electrically connected with the controller.
Optionally, the power supply device is arranged on the inner wall of the shaft, a wind driven generator is arranged inside the ventilation pipe I, and the wind driven generator is electrically connected with the power supply device.
Optionally, an inclined support frame is arranged at the bottom of the first ventilation pipe, and the bottom of the support frame is fixed on the inner wall of the vertical shaft.
From the above, the device for preventing the smoke from going up for the fabricated building provided by the invention has the following advantages: the device adjusts the communication state between the building interior and the vertical shaft through the rotatable blocking plate, when a fire disaster occurs, the smoke is sucked into water to absorb and filter solid pollution particles generated by the fire disaster, so that the temperature of discharged gas is low, the gas cannot jump upwards to cause secondary spread of fire, the device is a good prevention device, when the fire disaster does not occur, the building interior and the vertical shaft are communicated through the first ventilation pipe, air convection is realized, and a good ventilation state in a high-rise building is kept; pre-stored water is sprayed in case of fire, so that the situation that the water path of a floor is blocked and self-fire extinguishment cannot be carried out in case of fire can be avoided; through the aerogenerator who sets up in ventilation pipe one, the wind energy that produces when effectively utilizing the air convection is stored wind energy conversion for the electric energy, provides other power consumption devices, and is clean environmental protection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the inside of the water tank and the second ventilation pipe of the present invention;
FIG. 3 is a schematic view of the interior of the first ventilation tube of the present invention when not in communication with the second ventilation tube;
FIG. 4 is a schematic internal view of a first vent tube of the present invention in communication with a second vent tube;
fig. 5 is a view of the closure plate of fig. 3 in the direction of direction a.
The device comprises a first ventilation pipe, a second ventilation pipe, a power supply device, a support frame, a filter screen, a motor, a second ventilation pipe, a solenoid valve, a blow-off pipe, a 9 air inlet pipe, a 10 water tank, a 11 water inlet pipe, a 12 water pump, a 13 air outlet pipe, a 14 controller, a 15 water outlet pipe, a 16 fire-fighting nozzle, a 17 liquid level sensor, a 18 wind driven generator, a 19 fan, a 20 water inlet pipe, a 21 connecting rod and a 22 blocking plate, wherein the ventilation pipe is arranged on the device body, and the power supply device is arranged on the device body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are merely for convenience of description and should not be construed as limiting the embodiments of the present invention, and that the directions and positions of the terms, such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., in the present invention are only referred to the directions and positions of the attached drawings, and therefore, the directions and positions of the terms are used for illustrating and understanding the present invention, and are not used for limiting the subsequent embodiments of the present invention.
The device for preventing smoke from upward flowing comprises a ventilation pipe I1 arranged on the inner wall of each floor shaft, a ventilation pipe II 6 communicated with the upper end of the ventilation pipe I1, the ventilation pipe I1 and the ventilation pipe II 6 are in an inverted T shape, a fan 19 is arranged inside the ventilation pipe II 6, a motor 5 is fixed on the outer wall of the ventilation pipe I1 below the ventilation pipe II 6, an output shaft of the motor 5 extends into the ventilation pipe I1 and is provided with a connecting rod 21, a blocking plate 22 is arranged at the upper end of the connecting rod 21, when the connecting rod 21 rotates to a vertically upward position, two ends of the blocking plate 22 are tightly abutted to the inner walls on two sides of the ventilation pipe II 6, when the connecting rod 21 rotates to a position horizontally facing the shaft, two ends of the blocking plate 22 are tightly abutted to the inner walls on two sides of the ventilation pipe I1, a water tank 10 is further arranged at the upper part of the ventilation pipe I1, an air inlet pipe 9 extending to the bottom of the water tank 10 is arranged at the upper part of the second ventilation pipe 6, and an air outlet pipe 13 is arranged at the upper part of the water tank 10.
Referring to fig. 1 to 5, as an embodiment, the device for preventing smoke from escaping upward of a prefabricated building of the present invention is independently installed on the inner wall of each storey shaft, and can be pre-installed on a mounting plate in the longitudinal direction of the shaft, a certain amount of water is pre-stored in a water tank 10, a connecting rod 21 is maintained in a vertically upward position when no fire occurs, both ends of a blocking plate 22 tightly abut against the inner walls of both sides of a ventilation pipe two 6, as shown in fig. 2, the ventilation pipe two 6 is not communicated with the ventilation pipe one 1, the ventilation pipe one 1 is communicated with the shaft in the storey, according to a chimney effect, hot air in the storey enters the shaft from the ventilation pipe one 1 and moves upward, cold air at the top of the shaft descends along the shaft and enters the storey, thereby achieving natural ventilation, when a fire occurs, a motor 5 controls the connecting rod 21 to rotate to a position horizontally facing the shaft, as shown in fig., at the moment, the two ends of the blocking plate 22 are tightly abutted against the inner walls of the two sides of the ventilation pipe I1, the inner part of the building is not communicated with the vertical shaft through the ventilation pipe I1, smoke cannot jump up through the ventilation pipe I1, the fire situation is prevented from spreading upwards, meanwhile, the fan 19 in the ventilation pipe II 6 is started to perform air draft operation, the smoke in the building is pumped out, the smoke is pumped from the ventilation pipe I1 to the ventilation pipe II 6 and enters the water tank 10 along the air inlet pipe 9, solid particles in the smoke entering the water tank 10 are absorbed by water in the water tank 10, the gas part overflows from the air outlet pipe 13 on the water tank 10, after the smoke is filtered and absorbed by water, the temperature of the overflowed gas is reduced and does not rise upwards along the vertical shaft, the fire situation caused by the rising of hot air is avoided, the device adjusts the communication state between the inner part of the building and the vertical shaft through the, the smoke is sucked into water, solid pollution particles generated by fire are absorbed and filtered, the temperature of discharged gas is low, the smoke cannot jump upwards to cause secondary spreading of fire, the smoke is a good prevention device, when no fire occurs, the interior of a building is communicated with a vertical shaft through the ventilation pipe I1, air convection is realized, and a good ventilation state in a high-rise building is kept.
In some optional embodiments, the device further comprises a controller 14 arranged on the inner wall of the shaft, the motor 5 is electrically connected with the controller 14, the controller 14 can be connected with a sensor arranged between the corridors for detecting the fire, such as a smoke sensor, when the sensor detects the fire, the controller 14 controls the motor 5 to rotate the blocking plate 22 to a position where the first ventilation pipe 1 is communicated with the second ventilation pipe 6.
In some optional embodiments, the water tank 10 is provided with a water feeding pipe 11 at the upper part, and the water feeding pipe 11 is connected with a water path of each floor, so that water can be conveniently added into the water tank 10.
In some optional embodiments, the upper portion of the water tank 10 is provided with a water pump 12, a water inlet of the water pump 12 is provided with a water inlet pipe 20 extending to the bottom of the water tank 10, a water outlet of the water pump 12 is provided with a water outlet pipe 15 arranged at the top of each floor, a plurality of fire-fighting nozzles 16 are equidistantly distributed on the water outlet pipe 15, when a fire breaks out, the water pump 12 pumps out water prestored in the water tank 10 through the water inlet pipe 20 and sends the water to each fire-fighting nozzle 16 through the water outlet pipe 15, the fire-fighting nozzles 16 spray a certain amount of water to extinguish the fire, the prestored water is sprayed during the fire, and the situation that the water path of the floor is blocked and the fire cannot be self.
In some optional embodiments, a liquid level sensor 17 is disposed at an upper end of the inside of the water tank 10, the liquid level sensor 17 is electrically connected to the controller 14, the liquid level sensor 17 detects the height of water in the water tank 10, when the water in the water tank 10 is consumed and is lower than the height of the liquid level sensor 17, the controller 14 feeds back information that the water in the water tank 10 is insufficient to the background, and water is added into the water tank 10 from the water adding pipe 11 until the water in the water tank 10 reaches the height of the liquid level sensor 17, and the controller 14 feeds back information that the water is sufficient to the background, and stops adding water into the water tank 10.
In some optional embodiments, the inside of the outlet pipe 13 is provided with a filter screen 4, and the flue gas is filtered by the filter screen 4 when being discharged from the outlet pipe 13, so that the discharged flue gas is prevented from polluting other floors.
In some optional embodiments, a drain pipe 8 is arranged at the bottom of the water tank 10, an electromagnetic valve 7 for controlling the opening and closing of the drain pipe 8 is arranged on the drain pipe 8, the electromagnetic valve 7 is electrically connected with a controller 14, the drain pipe 8 can be connected with a domestic drain pipe of a high-rise building, water in the water tank 10 becomes turbid after absorbing smoke, and the electromagnetic valve 7 is opened through the controller 14 to discharge the water in the water tank 10 to the domestic drain pipe and discharge the domestic drain pipe together with domestic sewage.
In some optional embodiments, the power supply device 2 is arranged on the inner wall of the shaft, the ventilation pipe 1 is internally provided with a wind driven generator 18, the wind driven generator 18 is electrically connected with the power supply device 2, in daily life, hot air in the floor moves from the ventilation pipe 1 to the shaft, the flowing hot air enables the wind driven generator 18 to rotate, the wind driven generator 18 converts wind energy into electric energy and stores the electric energy in the power supply device 2, the power supply device 2 supplies power to the motor 5, the fan 19 and other devices, and redundant electric energy can also be used for floor lighting or other electric equipment.
In some alternative embodiments, the bottom of the ventilation pipe 1 is provided with an inclined support frame 3, and the bottom of the support frame 3 is fixed on the inner wall of the shaft and used for supporting the ventilation pipe 1 and keeping the ventilation pipe 1 structurally stable.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The device for preventing the upward movement of smoke of the prefabricated building is characterized by comprising a first ventilation pipe (1) arranged on the inner wall of a vertical shaft of each floor, a second ventilation pipe (6) communicated with the upper end of the first ventilation pipe (1), the first ventilation pipe (1) and the second ventilation pipe (6) are in an inverted T shape, a fan (19) is arranged inside the second ventilation pipe (6), a motor (5) is fixed on the outer wall of the first ventilation pipe (1) below the second ventilation pipe (6), an output shaft of the motor (5) extends to the inside of the first ventilation pipe (1) and is provided with a connecting rod (21), a blocking plate (22) is arranged at the upper end of the connecting rod (21), when the connecting rod (21) rotates to a vertical upward position, two ends of the blocking plate (22) are tightly abutted against the inner walls on two sides of the second ventilation pipe (6), and when the connecting rod (21) rotates to a position horizontally facing the vertical, the two ends of the blocking plate (22) are tightly abutted to the inner walls of the two sides of the first ventilation pipe (1), the upper portion of the first ventilation pipe (1) is further provided with a water tank (10), the upper portion of the second ventilation pipe (6) is provided with an air inlet pipe (9) extending to the bottom of the water tank (10), and the upper portion of the water tank (10) is provided with an air outlet pipe (13).
2. The smoke upwelling prevention device of a fabricated building according to claim 1, further comprising a controller (14) provided on an inner wall of the shaft, wherein the motor (5) is electrically connected to the controller (14).
3. The upward-flow preventing device for smoke of prefabricated buildings according to claim 2, wherein the upper part of the water tank (10) is provided with a water feeding pipe (11).
4. The upward smoke channeling prevention device for the fabricated building according to claim 3, wherein a water pump (12) is arranged at the upper part of the water tank (10), a water inlet of the water pump (12) is provided with a water inlet pipe (20) extending to the bottom of the water tank (10), a water outlet of the water pump (12) is provided with a water outlet pipe (15) arranged at the top of each floor, and a plurality of fire-fighting spray heads (16) are distributed on the water outlet pipe (15) at equal intervals.
5. The upward smoke channeling preventing device for the prefabricated building according to claim 4, wherein a liquid level sensor (17) is provided at an upper end of the inside of the water tank (10), and the liquid level sensor (17) is electrically connected with the controller (14).
6. The upward-movement preventing device for smoke of prefabricated buildings according to claim 1, wherein the inside of the outlet pipe (13) is provided with a screen (4).
7. The device for preventing the upward movement of the flue gas of the fabricated building according to claim 5, wherein a drain pipe (8) is arranged at the bottom of the water tank (10), an electromagnetic valve (7) for controlling the opening and closing of the drain pipe (8) is arranged on the drain pipe (8), and the electromagnetic valve (7) is electrically connected with the controller (14).
8. The upward flue gas channeling prevention device for the prefabricated building as claimed in claim 7, further comprising a power supply device (2) arranged on the inner wall of the shaft, wherein a wind power generator (18) is arranged inside the ventilation pipe I (1), and the wind power generator (18) is electrically connected with the power supply device (2).
9. The upward smoke channeling preventing device for the prefabricated building according to claim 1, wherein the bottom of the ventilation pipe I (1) is provided with an inclined support frame (3), and the bottom of the support frame (3) is fixed on the inner wall of the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662176.6A CN110306756B (en) | 2019-07-22 | 2019-07-22 | Prevention flue gas of prefabricated building is scurried device on |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662176.6A CN110306756B (en) | 2019-07-22 | 2019-07-22 | Prevention flue gas of prefabricated building is scurried device on |
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| CN110306756A CN110306756A (en) | 2019-10-08 |
| CN110306756B true CN110306756B (en) | 2021-05-11 |
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| CN201910662176.6A Active CN110306756B (en) | 2019-07-22 | 2019-07-22 | Prevention flue gas of prefabricated building is scurried device on |
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| CN111214780A (en) * | 2020-03-05 | 2020-06-02 | 极度智慧展览(上海)有限公司 | Fireproof system of exhibition hall |
| CN114470543B (en) * | 2022-01-04 | 2023-04-21 | 阜阳舟乾建筑劳务有限公司 | Wind power self-generating type high-rise building safety fireproof escape device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005106363A (en) * | 2003-09-30 | 2005-04-21 | Daiwa House Ind Co Ltd | Water filter type air cleaner with humidifying function |
| JP2006292344A (en) * | 2005-04-08 | 2006-10-26 | Tomoko Shinohara | Smoke exhaust device for cooker |
| CN202017275U (en) * | 2011-04-01 | 2011-10-26 | 沈福昌 | Fire hazard prevention structure for public entertainment places |
| CN203123805U (en) * | 2013-03-11 | 2013-08-14 | 都怡安 | Fume purifier |
| CN203514732U (en) * | 2013-10-09 | 2014-04-02 | 沈阳新经济产业园开发有限公司 | Attached building flue |
| CN108088023A (en) * | 2017-11-16 | 2018-05-29 | 南宁晟景工程咨询有限公司 | A kind of exhausting system applied to building constructions |
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2019
- 2019-07-22 CN CN201910662176.6A patent/CN110306756B/en active Active
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