CN111503863A - Fire-fighting ventilating duct - Google Patents
Fire-fighting ventilating duct Download PDFInfo
- Publication number
- CN111503863A CN111503863A CN202010340352.7A CN202010340352A CN111503863A CN 111503863 A CN111503863 A CN 111503863A CN 202010340352 A CN202010340352 A CN 202010340352A CN 111503863 A CN111503863 A CN 111503863A
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- Prior art keywords
- wall
- pipe
- magnesium composite
- fixed
- glass
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- 239000002131 composite material Substances 0.000 claims abstract description 60
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 60
- 239000011777 magnesium Substances 0.000 claims abstract description 60
- 239000000779 smoke Substances 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000011521 glass Substances 0.000 claims description 35
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 34
- 238000009423 ventilation Methods 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 4
- 241000238631 Hexapoda Species 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0245—Manufacturing or assembly of air ducts; Methods therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- 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
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F2007/001—Ventilation with exhausting air ducts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a fire-fighting ventilating duct, which aims at solving the problems of easy blockage and unsmooth smoke discharge and comprises an exhaust pipe, wherein one end of the exhaust pipe is fixedly provided with a first flange plate through a bolt, the other end of the first flange plate is fixedly provided with a second glass-magnesium composite air pipe through a bolt, one end of the second glass-magnesium composite air pipe is fixedly provided with a second flange plate through a bolt, one end of the second flange plate is fixedly provided with a first glass-magnesium composite air pipe through a bolt, the outer wall of the top of the first glass-magnesium composite air pipe is fixedly provided with a connecting plate through a bolt, and the circumferential inner wall of one end, far away from the second flange plate, of the first glass-magnesium composite air pipe is clamped with a separation. The invention utilizes the working of the pressure pump to send smoke into the pipeline from the flaring hopper, and the smoke is dedusted by the cloth bag dedusting method, so that the pipeline is smooth, the smoke is dedusted to the inner wall of the pipeline and then flows into the slag collecting box along with liquid, the dust carried by the smoke is reduced, and the pollution to the external environment is reduced.
Description
Technical Field
The invention relates to the technical field of fire fighting devices, in particular to a fire fighting ventilating duct.
Background
Fire control, namely elimination and prevention, prevention and solution people meet in the life, work, study process artificial and natural, accidental calamities's general name now, indicate more now to put out the conflagration, in order to improve the smoke evacuation performance of building, avoid building to produce inside a large amount of dense smokes after the conflagration, therefore need use the fire control air pipe, the discharge of the flue gas of being convenient for.
The existing fire-fighting ventilation pipeline in the current market mostly has the following defects in the using process: when the smoke is discharged, the smoke is easy to block, and subsequent smoke cannot be discharged in time, so that a large amount of dense smoke exists in the interior of a building, and the existing fire-fighting ventilation pipeline is difficult to solve the problems, so that a fire-fighting ventilation pipeline is urgently needed to solve the problems.
Disclosure of Invention
The invention provides a fire-fighting ventilating duct based on the technical problems that the fire-fighting ventilating duct is easy to block and unsmooth in smoke discharge.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fire-fighting ventilating duct comprises an exhaust pipe, wherein one end of the exhaust pipe is fixedly provided with a first flange plate through a bolt, the other end of the first flange plate is fixedly provided with a second glass-magnesium composite air pipe through a bolt, one end of the second glass-magnesium composite air pipe is fixedly provided with a second flange plate through a bolt, one end of the second flange plate is fixedly provided with a first glass-magnesium composite air pipe through a bolt, a connecting plate is fixedly arranged on the outer wall of the top of the first glass-magnesium composite air pipe through a bolt, a separation net is clamped on the circumferential inner wall of one end, far away from the second flange plate, of the first glass-magnesium composite air pipe, a suction mechanism is arranged on one side, far away from the second flange plate, of the outer wall of the top of the connecting plate, a spraying mechanism is arranged at a position, close to the suction mechanism, of the outer wall of the top of the second glass-, the air inlet pipe is inserted into the output end of the first fan, one end of the air inlet pipe is located inside the second glass magnesium composite air pipe, a plurality of branch pipes are inserted into the outer wall of one side of the air inlet pipe, a cloth bag is sleeved on the outer wall of the circumference of each branch pipe, a rubber rope is fastened at the position, close to the branch pipes, of the outer wall of the circumference of the cloth bag, and an air inducing mechanism is arranged on the inner wall of one side of the second glass magnesium composite air pipe.
As a still further scheme of the invention: a control box is fixed on the position, close to the first fan, of the outer wall of the top of the fixing plate through bolts, and a processor is fixed on the inner wall of one side of the control box through bolts.
As a still further scheme of the invention: a smoke concentration sensor is fixed on the inner wall of the bottom of the first glass magnesium composite air pipe through a bolt, and an audible and visual alarm is fixed on the outer wall of the bottom of the first glass magnesium composite air pipe through a bolt.
As a still further scheme of the invention: the air suction mechanism comprises a pressure pump, the pressure pump is fixed on the outer wall of the top of the connecting plate through a bolt, one end of the pressure pump is connected with a connecting pipe in an inserting mode, one end of the connecting pipe is connected with a flaring bucket in a sleeved mode, one end of the pressure pump is connected with an air outlet pipe in an inserting mode, and one end of the air outlet pipe is located inside the first glass magnesium composite air pipe.
As a still further scheme of the invention: the spraying mechanism comprises a water tank, the water tank is fixed on the outer wall of the top of the connecting plate through bolts, a water pump is fixed on the inner wall of the bottom of the water tank through bolts, a water inlet pipe is inserted into the inner wall of a water inlet of the water pump, a water outlet pipe is inserted into the inner wall of a water outlet of the water pump, one end of the water outlet pipe is located inside the first glass magnesium composite pipeline, and a plurality of spray heads are connected to one end of the water outlet pipe.
As a still further scheme of the invention: and a first activated carbon filter screen is fixed on one side, close to the cloth bag, of the inner wall on one side of the second glass magnesium composite air pipe through bolts, and a second activated carbon filter screen is fixed on the other side, close to the cloth bag, of the inner wall on one side of the second glass magnesium composite air pipe through bolts.
As a still further scheme of the invention: the air inducing mechanism comprises a fixed seat, the fixed seat is fixed on the inner wall of one side of the second glass magnesium composite air pipe through a bolt, and a drainage fan is fixed on the inner wall of one side of the fixed seat through a bolt.
As a still further scheme of the invention: a drainage tube is inserted in a position, close to a drainage fan, of the inner wall of the bottom of the second glass magnesium composite air pipe, a slag collection box is fixed on the outer wall of the bottom of the second glass magnesium composite air pipe through bolts, one end of the drainage tube is located inside the slag collection box, and a baffle is fixed on one side, close to the drainage tube, of the inner wall of the bottom of the second glass magnesium composite air pipe through bolts.
As a still further scheme of the invention: and an insect-proof net is fixed on the inner wall of one side of the exhaust pipe through bolts.
As a still further scheme of the invention: the one end spiro union of outlet pipe has violently the pipe, and the one end of violently managing is pegged graft on one side outer wall of force pump, and the position that one side outer wall of violently managing is close to the outlet pipe has the solenoid valve through the bolt fastening, and it has the arc tube to peg graft on one side outer wall of force pump, and the one end of arc tube is pegged graft and is had the liquid head, and the bottom inner wall of first glass magnesium composite air pipe is close to smoke concentration sensor's position and has temperature sensor through the bolt fastening.
The invention has the beneficial effects that:
1. the smoke concentration sensor detects the concentration of smoke in a building through the smoke concentration sensor, the pressure pump and the cloth bag, if the smoke concentration is higher than an early warning value, a signal is transmitted to the processor, the pressure pump is started after the processor analyzes and processes the smoke, the pressure pump works to send the smoke into a pipeline through the flaring hopper, and therefore the dust is removed through the cloth bag by using a cloth bag dust removal method, and the pipeline is smooth;
2. the spraying is carried out in the pipeline through the arranged spray head and the slag collecting box, so that the flue gas falls to the inner wall of the pipeline and then flows into the slag collecting box along with the liquid, the dust carried by the flue gas is reduced, and the pollution to the external environment is reduced;
3. through setting up first fan, branch pipe, sack and rubber rope, more dust can be left on the sack surface behind the sack dust removal, for guaranteeing the long-term use of sack, needs the interval to start regularly the first fan blast air for the sack expands, then blows off the dust on sack surface, along with liquid gets into the inside of collection sediment case together.
Drawings
Fig. 1 is an overall structural schematic diagram of a fire fighting ventilation duct embodiment 1 provided by the invention;
fig. 2 is a schematic cross-sectional structural view of a fire fighting ventilation duct embodiment 1 according to the present invention;
fig. 3 is a schematic partial sectional structural view of a fire fighting ventilation duct embodiment 2 according to the present invention.
In the figure: 1 exhaust pipe, 2 first flange plate, 3 control box, 4 first fan, 5 air inlet pipes, 6 fixed plate, 7 water tank, 8 pressure pump, 9 connecting pipe, 10 flaring bucket, 11 audible and visual alarm, 12 first glass magnesium composite air pipe, 13 connecting plate, 14 second flange plate, 15 second glass magnesium composite air pipe, 16 slag collecting box, 17 insect-proof net, 18 treater, 19 drainage fan, 20 fixing seat, 21 baffle plate, 22 drainage pipe, 23 first active carbon filter screen, 24 cloth bag, 25 rubber rope, 26 branch pipe, 27 spray head, 28 smoke concentration sensor, 29 air outlet pipe, 30 water pump, 31 second active carbon filter screen, 32 electromagnetic valve, 33 horizontal pipe, 34 arc pipe, 35 temperature sensor.
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.
Example 1
Referring to fig. 1-2, a fire-fighting ventilation duct comprises an exhaust pipe 1, a first flange 2 is fixed at one end of the exhaust pipe 1 through a bolt, a second glass-magnesium composite air pipe 15 is fixed at the other end of the first flange 2 through a bolt, a second flange 14 is fixed at one end of the second glass-magnesium composite air pipe 15 through a bolt, a first glass-magnesium composite air pipe 12 is fixed at one end of the second flange 14 through a bolt, a connecting plate 13 is fixed on the outer wall of the top of the first glass-magnesium composite air pipe 12 through a bolt, a partition net is clamped on the circumferential inner wall of the first glass-magnesium composite air pipe 12 far away from one end of the second flange 14, an air suction mechanism is arranged at one side of the outer wall of the top of the connecting plate 13 far away from the second flange 14, a spray mechanism is arranged at the position of the outer wall of the top of the connecting plate 13 close to, one side of the outer wall of the top of the fixing plate 6 is fixed with a first fan 4 through a bolt, the output end of the first fan 4 is inserted with an air inlet pipe 5, one end of the air inlet pipe 5 is positioned in the second glass magnesium composite air pipe 15, a plurality of branch pipes 26 are inserted on the outer wall of one side of the air inlet pipe 5, a cloth bag 24 is sleeved on the outer wall of the circumference of each branch pipe 26, the position, close to the branch pipe 26, of the outer wall of the circumference of the cloth bag 24 is fastened with a rubber rope 25, and an air inducing mechanism is arranged on the inner wall of one side of the second glass.
In the invention, a control box 3 is fixed on the top outer wall of a fixed plate 6 close to a first fan 4 through bolts, a processor 18 is fixed on the inner wall of one side of the control box 3 through bolts, a smoke concentration sensor 28 is fixed on the bottom inner wall of a first glass-magnesium composite air pipe 12 through bolts, an audible and visual alarm 11 is fixed on the bottom outer wall of the first glass-magnesium composite air pipe 12 through bolts, an air suction mechanism comprises a pressure pump 8, the pressure pump 8 is fixed on the top outer wall of a connecting plate 13 through bolts, one end of the pressure pump 8 is inserted with a connecting pipe 9, one end of the connecting pipe 9 is sleeved with a flared hopper 10, one end of the pressure pump 8 is inserted with an air outlet pipe 29, one end of the air outlet pipe 29 is positioned inside the first glass-magnesium composite air pipe 12, a spraying mechanism comprises a water tank 7, the water tank 7 is fixed on the top outer wall of the connecting plate 13 through bolts, a water inlet pipe is inserted on the inner wall of the water inlet of the water pump 30, a water outlet pipe is inserted on the inner wall of the water outlet of the water pump 30, one end of the water outlet pipe is positioned inside the first glass magnesium composite pipeline 12, and one end of the water outlet pipe is connected with a plurality of spray heads 27 in a threaded manner.
One side of the inner wall of one side of the second glass magnesium composite air pipe 15, which is close to the cloth bag 24, is fixed with a first activated carbon filter screen 23 through bolts, the other side of the inner wall of one side of the second glass magnesium composite air pipe 15, which is close to the cloth bag 24, is fixed with a second activated carbon filter screen 31 through bolts, the air inducing mechanism comprises a fixing seat 20, the fixing seat 20 is fixed on the inner wall of one side of the second glass magnesium composite air pipe 15 through bolts, a drainage fan 19 is fixed on the inner wall of one side of the fixing seat 20 through bolts, a drainage pipe 22 is inserted in a position, which is close to the drainage fan 19, of the inner wall of the bottom of the second glass magnesium composite air pipe 15, a slag collecting box 16 is fixed on the outer wall of the bottom of the second glass magnesium composite air pipe 15 through bolts, one end of the drainage pipe 22 is located inside the slag collecting box 16, a baffle 21 is fixed on one side.
When the device is used, the whole device is placed in an inclined angle, so that liquid with dust can be conveniently discharged into the slag collection box 16, the smoke concentration sensor 28 monitors the concentration of smoke in real time, when the smoke concentration reaches an early warning value, a signal is transmitted to the processor 18, the processor 18 analyzes and processes the smoke, transmits the signal to the pressure pump 8, the pressure pump 8 is started, an auxiliary smoke inlet channel is opened, the two channels are connected together, smoke is introduced into a pipeline, then the water pump 30 is started, the smoke is sprayed by the spray head 27, so that the dust is flapped on the inner wall surface of the pipeline and flows along with the liquid, the smoke is adsorbed by the second active carbon filter screen 31, the cloth bag 24 and the first active carbon filter screen 23 in multiple layers, the drainage fan 19 is started, the smoke is discharged outwards, the dust enters the slag collection box 16 along with the liquid through the drainage pipe 22, the first fan 4 is started regularly, and the first fan 4 blows air, the branch pipe 26 is filled into the cloth bag 24 to expand the cloth bag, so that dust on the surface of the cloth bag 24 falls down and flows into the slag collecting box 16 along with liquid.
Example 2
Referring to fig. 3, a fire control air pipe, this embodiment compares in embodiment 1, the one end spiro union of outlet pipe has violently the pipe 33, violently the one end of pipe 33 pegs graft on one side outer wall of force pump 8, the position that one side outer wall of violently pipe 33 is close to the outlet pipe has solenoid valve 32 through the bolt fastening, peg graft on one side outer wall of force pump 8 has arc pipe 34, the one end peg graft of arc pipe 34 has the drain tap, the position that the bottom inner wall of first glass magnesium composite air pipe 12 is close to smog concentration sensor 28 has temperature sensor 35 through the bolt fastening.
When the temperature control device is used, the temperature sensor 35 monitors the temperature in the building constantly, when the temperature reaches an early warning value, a signal is transmitted to the processor 18, the air suction mechanism is stopped after the processor 18 analyzes and processes, the electromagnetic valve 32 is opened, the pressure pump 8 serves as a cooling mechanism for drying, clean water is introduced into the transverse pipe 33, the pressure is applied through the pressure pump 8, and the temperature is sprayed out of the building through the liquid outlet head through the arc-shaped pipe 34 to cool the interior of the building.
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.
Claims (10)
1. A fire-fighting ventilation pipeline comprises a ventilation pipe (1) and is characterized in that one end of the ventilation pipe (1) is fixedly provided with a first flange plate (2) through bolts, the other end of the first flange plate (2) is fixedly provided with a second glass magnesium composite air pipe (15) through bolts, one end of the second glass magnesium composite air pipe (15) is fixedly provided with a second flange plate (14) through bolts, one end of the second flange plate (14) is fixedly provided with a first glass magnesium composite air pipe (12) through bolts, a connecting plate (13) is fixedly provided on the outer wall of the top of the first glass magnesium composite air pipe (12) through bolts, a separation net is clamped on the inner wall of the circumference of one end of the first glass magnesium composite air pipe (12) far away from the second flange plate (14), one side of the outer wall of the top of the connecting plate (13) far away from the second flange plate (14) is provided with a suction mechanism, and a spraying mechanism is arranged at the, there is fixed plate (6) through the bolt fastening on the top outer wall of second glass magnesium composite air pipe (15), there is first fan (4) one side of fixed plate (6) top outer wall through the bolt fastening, the output of first fan (4) is pegged graft and is had air-supply line (5), the one end of air-supply line (5) is located the inside of second glass magnesium composite air pipe (15), it has a plurality of branch pipes (26) to peg graft on the outer wall of one side of air-supply line (5), cup jointed sack (24) on the circumference outer wall of branch pipe (26), rubber rope (25) have been tied to the position that the circumference outer wall of sack (24) is close to branch pipe (26), be equipped with induced air mechanism on the inner wall of one side of second glass magnesium composite air pipe (15).
2. A fire fighting ventilation duct according to claim 1, characterized in that the control box (3) is fixed by bolts at the position of the outer wall of the top of the fixing plate (6) close to the first fan (4), and the processor (18) is fixed by bolts on the inner wall of one side of the control box (3).
3. A fire fighting ventilation duct according to claim 2, characterized in that the inner wall of the bottom of the first glass-magnesium composite air duct (12) is fixed with a smoke concentration sensor (28) through a bolt, and the outer wall of the bottom of the first glass-magnesium composite air duct (12) is fixed with an audible and visual alarm (11) through a bolt.
4. A fire fighting ventilation duct according to claim 3, characterized in that the air suction mechanism comprises a pressure pump (8), the pressure pump (8) is fixed on the outer wall of the top of the connecting plate (13) through bolts, the pressure pump (8) has one end inserted with a connecting pipe (9), one end of the connecting pipe (9) is sleeved with a flared hopper (10), one end of the pressure pump (8) is inserted with an air outlet pipe (29), and one end of the air outlet pipe (29) is located inside the first glass magnesium composite air pipe (12).
5. The fire-fighting ventilation duct according to claim 4, characterized in that the spraying mechanism comprises a water tank (7), the water tank (7) is fixed on the outer wall of the top of the connecting plate (13) through bolts, a water pump (30) is fixed on the inner wall of the bottom of the water tank (7) through bolts, a water inlet pipe is inserted into the inner wall of the water inlet of the water pump (30), a water outlet pipe is inserted into the inner wall of the water outlet of the water pump (30), one end of the water outlet pipe is located inside the first glass-magnesium composite pipeline (12), and one end of the water outlet pipe is in threaded connection with a plurality of spray heads (27.
6. The fire-fighting ventilation duct according to claim 1, characterized in that a first activated carbon filter screen (23) is fixed on one side of the inner wall of one side of the second glass magnesium composite air duct (15) close to the cloth bag (24) through bolts, and a second activated carbon filter screen (31) is fixed on the other side of the inner wall of one side of the second glass magnesium composite air duct (15) close to the cloth bag (24) through bolts.
7. The fire fighting ventilation duct according to claim 1, characterized in that the air inducing mechanism comprises a fixed seat (20), the fixed seat (20) is fixed on the inner wall of one side of the second glass-magnesium composite air duct (15) through a bolt, and the inner wall of one side of the fixed seat (20) is fixed with a flow inducing fan (19) through a bolt.
8. The fire-fighting ventilation duct according to claim 7, characterized in that a drainage tube (22) is inserted in a position, close to the drainage fan (19), of the inner wall of the bottom of the second glass-magnesium composite air duct (15), a slag collection box (16) is fixed on the outer wall of the bottom of the second glass-magnesium composite air duct (15) through bolts, one end of the drainage tube (22) is located inside the slag collection box (16), and a baffle (21) is fixed on one side, close to the drainage tube (22), of the inner wall of the bottom of the second glass-magnesium composite air duct (15) through bolts.
9. A fire fighting ventilation duct according to claim 1, characterized in that an insect net (17) is fixed to one side of the inner wall of the exhaust duct (1) by bolts.
10. The fire-fighting ventilation duct according to claim 5, characterized in that one end of the water outlet pipe is screwed with a transverse pipe (33), one end of the transverse pipe (33) is inserted into the outer wall of one side of the pressure pump (8), a solenoid valve (32) is fixed to the position, close to the water outlet pipe, of the outer wall of one side of the transverse pipe (33) through a bolt, an arc-shaped pipe (34) is inserted into the outer wall of one side of the pressure pump (8), a liquid outlet is inserted into one end of the arc-shaped pipe (34), and a temperature sensor (35) is fixed to the position, close to the smoke concentration sensor (28), of the inner wall of the bottom of the first glass-magnesium composite air pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340352.7A CN111503863A (en) | 2020-04-26 | 2020-04-26 | Fire-fighting ventilating duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010340352.7A CN111503863A (en) | 2020-04-26 | 2020-04-26 | Fire-fighting ventilating duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111503863A true CN111503863A (en) | 2020-08-07 |
Family
ID=71878045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010340352.7A Withdrawn CN111503863A (en) | 2020-04-26 | 2020-04-26 | Fire-fighting ventilating duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111503863A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156570A (en) * | 2020-09-28 | 2021-01-01 | 深圳市绿世纪环境技术有限公司 | Emergency treatment device for toxic and harmful gas environment |
| CN112845483A (en) * | 2021-02-03 | 2021-05-28 | 黄志强 | Formula of lying on ground weaving negative pressure dust collector |
| CN115854464A (en) * | 2022-12-09 | 2023-03-28 | 中国建筑第七工程局有限公司 | Dense cigarette device of arranging fast that building fire control was used |
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2020
- 2020-04-26 CN CN202010340352.7A patent/CN111503863A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112156570A (en) * | 2020-09-28 | 2021-01-01 | 深圳市绿世纪环境技术有限公司 | Emergency treatment device for toxic and harmful gas environment |
| CN112845483A (en) * | 2021-02-03 | 2021-05-28 | 黄志强 | Formula of lying on ground weaving negative pressure dust collector |
| CN112845483B (en) * | 2021-02-03 | 2024-03-01 | 浙江君飞纺织有限公司 | Ground formula weaving negative pressure dust collector |
| CN115854464A (en) * | 2022-12-09 | 2023-03-28 | 中国建筑第七工程局有限公司 | Dense cigarette device of arranging fast that building fire control was used |
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Application publication date: 20200807 |