CN210118927U

CN210118927U - Cooling fire-fighting smoke exhauster

Info

Publication number: CN210118927U
Application number: CN201822274639.5U
Authority: CN
Inventors: 陈衍坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-30
Filing date: 2018-12-30
Publication date: 2020-02-28
Anticipated expiration: 2028-12-30

Abstract

The utility model discloses a cooling fire control induced-draft fan, including the pipe of discharging fume, the pipe open end inner wall installation air exhauster of discharging fume, the pipe blind end outer wall of discharging fume cup joints into the tobacco pipe, advances the intraductal installation shower nozzle of tobacco pipe, advances the tobacco pipe and cup joints a department installation pressure differential adjustment mechanism with the pipe of discharging fume, and the fixed one end that cup joints the collector pipe of the pipe blind end of discharging fume, and the sedimentation tank is cup jointed to the other end of collector pipe, and the sedimentation tank outer wall cup joints the one end of outlet pipe, and the shower nozzle is connected to. The air exhauster rotates to enable the smoke exhaust pipe to generate negative pressure, the pressure difference adjusting mechanism is opened to enable the smoke exhaust pipe to suck smoke through the smoke inlet pipe, the spray head sprays water to cool the smoke, sparks are extinguished, meanwhile, dust particles in the smoke are wetted by the water, the dust particles fall to the bottom of the diffusion pipe and are washed away by the water flow, the smoke with the dust particles removed is discharged through the smoke exhaust pipe, the water flow is precipitated through the water collecting pipe and the sedimentation tank, and the precipitated clear water is sent into the spray head through the water outlet pipe by the water pump to be recycled.

Description

Cooling fire-fighting smoke exhauster

Technical Field

The utility model relates to a fire-fighting equipment technical field specifically is a cooling fire protection induced-draft fan.

Background

When the indoor conflagration that breaks out, there are a lot of dense smokes, and the dense smoke that the conflagration produced still has a large amount of toxic gas like (HCL) and particulate matter, these dense smokes stretch and can seriously hinder personnel evacuation on the pavement, consequently, need the induced-draft fan to discharge dense smoke, current induced-draft fan all only installs the indoor dense smoke of air exhauster extraction at the air outlet, however, when the conflagration intensity of a fire is great, often can sneak into the combustible particulate matter who takes the mars in the dense smoke, can seriously damage the air exhauster when these particulate matter pass through the air exhauster discharge, lead to the air exhauster to burn out, even mars fall and lead to the outside building of exhaust port to be ignited easily, for this reason we propose a cooling fire protection induced-smoke machine and are used for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cooling fire protection induced-draft fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cooling fire protection induced-draft fan, includes the pipe of discharging fume, the pipe open end inner wall fixed mounting air exhauster of discharging fume, the fixed tobacco pipe that cup joints of pipe blind end outer wall of discharging fume, it includes shrink tube, choke and diffuser pipe to advance the tobacco pipe, the fixed cover of one end of diffuser pipe connects the smoke exhaust pipe outer wall, the one end of diffuser pipe other end fixed connection shrink tube, the junction of shrink tube and diffuser pipe forms the choke, the diffuser pipe is close to the one end inner wall fixed mounting shower nozzle of choke, the diffuser pipe cup joints the department with the pipe of discharging fume and installs pressure differential adjustment mechanism, the fixed one end that cup joints the collector pipe of pipe blind end of discharging fume, the fixed settling basin that cup joints of the other end of collector pipe, the fixed one end that cup joints the outlet pipe of settling basin outer wall, the other end fixed connection shower nozzle of.

Preferably, the contraction pipe and the diffusion pipe are both of hollow round table structures, the connecting end of the contraction pipe and the connection end of the diffusion pipe are both small-caliber ends of the round tables, and the outer wall cutting slope of the diffusion pipe is larger than that of the contraction pipe.

Preferably, the pressure difference adjusting mechanism comprises a sealing plate, one end of the sealing plate is hinged to the top end of the inner wall of the sleeve joint of the smoke exhaust pipe and the diffusion pipe, one end of a fixing frame is fixedly installed on the inner wall of the smoke exhaust pipe at the top of the sealing plate, the other end of the fixing frame is located on one side, away from the diffusion pipe, of the sealing plate, the fixing frame is opposite to a side wall of the sealing plate, an electromagnet is fixedly installed on the side wall of the sealing plate, the electromagnet is electrically connected with an.

Preferably, the sealing plate is fixedly provided with a plurality of flow deflectors on the outer wall of one side close to the diffusion tube, and the flow deflectors are wing-shaped deconstructions with two downward inclined ends.

Preferably, the fixed blow off pipe that cup joints of sedimentation tank bottom, the blow off pipe is close to the one end installation valve of sedimentation tank, the fixed one end that cup joints the overflow pipe of sedimentation tank top outer wall, the one end that the sedimentation tank was kept away from to the overflow pipe other end intercommunication blow off pipe, the height of outlet pipe is located between blow off pipe and the overflow pipe, and the outlet pipe cup joints the one end installation filter screen of sedimentation tank.

Compared with the prior art, the beneficial effects of the utility model are that: a sealing plate is arranged between the smoke exhaust pipe and the smoke inlet pipe, the opening size is controlled by the sealing plate through the permanent magnet adsorbed by the electromagnet, the magnetic force of the electromagnet is in direct proportion to the power of the exhaust fan, the adsorption of the electromagnet on the permanent magnet is increased after the power of the exhaust fan is increased, the opening of the sealing plate is increased, so that the pressure difference between the smoke exhaust pipe and the smoke inlet pipe is adjusted, and when the power of the exhaust fan is reduced, the opening of the sealing plate is reduced, so that the smoke exhaust pipe; the flue gas gets into the shrinkage pipe in the back compressed, and the velocity of flow accelerates, and the rivers are strikeed down by high atomizing at high-speed air current to cooling down the flue gas, making the mars put out, and simultaneously, the dirt particle in the flue gas is moistened by water, and the flue gas is at the intraductal volume expansion of diffusion, and gaseous and moist particulate matter diffusion makes the dirt particle condensation accelerate, thereby falls to be washed away by rivers in the diffusion tube bottom, thereby cools down and gets rid of the dirt particle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the local structure of the sealing plate of the present invention.

In the figure: the device comprises a smoke exhaust pipe 1, a smoke inlet pipe 2, a contraction pipe 21, a throat pipe 22, a diffusion pipe 23, an exhaust fan 3, a spray head 4, a differential pressure adjusting mechanism 5, a fixed frame 51, a sealing plate 52, a permanent magnet 53, an electromagnet 54, a water collecting pipe 6, a sedimentation tank 7, a sewage discharge pipe 8, a valve 9, a water outlet pipe 10, a water pump 11, a filter screen 12, an overflow pipe 13 and a flow deflector 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a cooling fire-fighting smoke exhauster comprises a smoke exhaust pipe 1, an exhaust fan 3 is fixedly installed on the inner wall of the opening end of the smoke exhaust pipe 1, the outer wall of the closed end of the smoke exhaust pipe 1 is fixedly sleeved with a smoke inlet pipe 2, the smoke inlet pipe 2 comprises a contraction pipe 21, a throat pipe 22 and a diffusion pipe 23, one end of the diffusion pipe 23 is fixedly sleeved with the outer wall of the smoke exhaust pipe 1, the other end of the diffusion pipe 23 is fixedly connected with one end of the contraction pipe 21, the throat pipe 22 is formed at the joint of the contraction pipe 21 and the diffusion pipe 23, a spray head 4 is fixedly installed on the inner wall of one end of the diffusion pipe 23 close to the throat pipe 22, a pressure difference adjusting mechanism 5 is installed at the joint of the diffusion pipe 23 and the smoke exhaust pipe 1, one end of a water collecting pipe 6 is fixedly sleeved with the closed end of the smoke exhaust pipe 1, a sedimentation tank 7 is fixedly sleeved with the other end of a water outlet pipe 10, the other end, differential pressure adjustment mechanism 5 opens and makes exhaust pipe 1 inhale the flue gas through advancing tobacco pipe 2, the flue gas is compressed behind getting into shrink tube 21, the velocity of flow accelerates, diffuser 23 inner wall shower nozzle 4 water spray, when high-speed flue gas passes through choke 22 and gets into diffuser 23, the rivers are highly atomized under the high-speed air current impact, thereby cool down the flue gas, make the mars put out, and simultaneously, the dust particle in the flue gas is moistened by water, the increase of the internal volume of diffuser 23, make the flue gas volume expansion, gaseous and moist particulate matter diffusion, make the dust particle coacervation accelerate, thereby fall to be washed away by rivers in diffuser 23 bottom, the flue gas of getting rid of the dust particle is discharged through exhaust pipe 1, rivers deposit through collector 6 and sedimentation tank 7, the clear water after the sediment is sent into shower nozzle 4 through outlet pipe 10 by water pump 11, reuse.

Shrink tube 21 and diffusion tube 23 are hollow round platform structure, and shrink tube 21 and diffusion tube 23 link are the small-bore end of round platform for the flue gas is compressed after getting into shrink tube 21, and the velocity of flow accelerates, and the outer wall inclination of cutting of diffusion tube 23 is greater than the outer wall inclination of cutting of shrink tube 21, makes high-speed flue gas expand, diffusion fast after getting into diffusion tube 23.

The pressure difference adjusting mechanism 5 comprises a sealing plate 52, one end of the sealing plate 52 is hinged with the top end of the inner wall of the sleeved part of the smoke exhaust pipe 1 and the diffusion pipe 23, one end of a fixing frame 51 is fixedly arranged on the inner wall of the smoke exhaust pipe 1 at the top of the sealing plate 52, the other end of the fixing frame 51 is positioned at one side of the sealing plate 52 far away from the diffusion pipe 23, an electromagnet 54 is fixedly arranged on the side wall of the sealing plate 51 opposite to the sealing plate 52, the electromagnet 54 is electrically connected with the exhaust fan 3, a permanent magnet 53 is fixedly arranged on the outer wall of the sealing plate 52 opposite to the electromagnet 54, the electromagnet 54 is electrically connected with the exhaust fan 3, the electromagnet 54 is electrified to adsorb the permanent magnet 53 after the exhaust fan 3 starts working, so that the sealing plate 52 is opened, the magnetic force of the electromagnet 54 is, and when the power of the exhaust fan 3 is reduced, the opening of the sealing plate 52 is reduced, so that the smoke exhaust pipe 1 can generate negative pressure to absorb smoke.

The sealing plate 52 is tightly attached to the outer wall of one side of the diffusion pipe 23, a plurality of flow deflectors 14 are fixedly installed on the outer wall of one side of the diffusion pipe 23, the flow deflectors 14 are wing-shaped deconstructions with two downward-inclined ends, smoke flows back through the flow deflectors 14 when passing through the sealing plate 52 and flows into the smoke exhaust pipe 1 all around, and moisture in the smoke is condensed on the flow deflectors 14, so that dust particles are conveniently separated and flow to the water collecting pipe 6 from the flow deflectors 14.

Fixed cover in 7 bottom ends of sedimentation tank connects blowdown pipe 8, the one end installation valve 9 that blowdown pipe 8 is close to sedimentation tank 7, be convenient for get rid of the interior dirt particle that deposits of

sedimentation tank

7, 7 top outer walls of sedimentation tank are fixed and are cup jointed the one end of overflow pipe 13, the one end of sedimentation tank 7 is kept away from to overflow pipe 13 other end intercommunication blowdown pipe 8, dirt particle deposits and makes the water level rise in sedimentation tank 7, overflow pipe 13 passes through blowdown pipe 8 with unnecessary water content and discharges, the height of outlet pipe 10 is located between blowdown pipe 8 and overflow pipe 13, and outlet pipe 10 cup joints the one end installation filter screen 12 of sedimentation tank 7.

The working principle is as follows: when the utility model is used, the exhaust fan 3 rotates to generate negative pressure in the exhaust pipe 1, the electromagnet 54 is electrified to adsorb the permanent magnet 53, the sealing plate 52 is opened, the magnetic force of the electromagnet 54 is in direct proportion to the power of the exhaust fan 3, the electromagnet 54 adsorbs the permanent magnet 53 after the power of the exhaust fan 3 is increased, the opening of the sealing plate 52 is increased, the pressure difference between the exhaust pipe 1 and the smoke inlet pipe 2 is adjusted, the exhaust pipe 1 sucks smoke through the smoke inlet pipe 2, the smoke is compressed after entering the contraction pipe 21, the flow rate is accelerated, the inner wall nozzle 4 of the diffusion pipe 23 sprays water, when the high-speed smoke enters the diffusion pipe 23 through the throat pipe 22, the water flow is highly atomized under the impact of the high-speed air flow, the smoke is cooled, the mars is extinguished, meanwhile, dust particles in the smoke are wetted by water, the volume in the diffusion pipe 23 is increased, the smoke volume is expanded, and, the coagulation of dust particles is accelerated, so that the dust particles fall to the bottom of the diffusion pipe 23 and are washed away by water flow, the smoke for removing the dust particles is discharged through the smoke exhaust pipe 1, the water flow is precipitated through the water collecting pipe 6 and the sedimentation tank 7, and the precipitated clear water is sent into the spray head 4 through the water outlet pipe 10 by the water pump 11 for recycling.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cooling fire protection induced-draft fan, includes and discharges fume tub (1), its characterized in that: the smoke exhaust pipe is characterized in that an exhaust fan (3) is fixedly installed on the inner wall of the open end of the smoke exhaust pipe (1), a smoke inlet pipe (2) is fixedly sleeved on the outer wall of the closed end of the smoke exhaust pipe (1), the smoke inlet pipe (2) comprises a contraction pipe (21), a throat (22) and a diffusion pipe (23), the outer wall of the smoke exhaust pipe (1) is fixedly sleeved and connected with one end of the diffusion pipe (23), the other end of the diffusion pipe (23) is fixedly connected with one end of the contraction pipe (21), the throat (22) is formed at the joint of the contraction pipe (21) and the diffusion pipe (23), the diffusion pipe (23) is close to one end of the throat (22), a pressure difference adjusting mechanism (5) is installed at the joint of the diffusion pipe (23) and the smoke exhaust pipe (1), one end of a water collecting pipe (6) is fixedly sleeved and connected with the closed end of the sedimentation tank (7) of the water collecting pipe (, the sedimentation tank is characterized in that one end of a water outlet pipe (10) is fixedly sleeved on the outer wall of the sedimentation tank (7), the other end of the water outlet pipe (10) is fixedly connected with a spray head (4), and a water pump (11) is installed on the water outlet pipe (10).

2. The cooling fire protection smoke ventilator of claim 1, wherein: the retractable pipe (21) and the diffusion pipe (23) are both of hollow round table structures, the connecting end of the retractable pipe (21) and the connection end of the diffusion pipe (23) are both round table small-caliber ends, and the outer wall cutting slope of the diffusion pipe (23) is larger than that of the retractable pipe (21).

3. The cooling fire protection smoke ventilator of claim 1, wherein: the pressure difference adjusting mechanism (5) comprises a sealing plate (52), one end of the sealing plate (52) is hinged to the top end of the inner wall of the sleeved part of the smoke exhaust pipe (1) and the diffusion pipe (23), one end of a fixing frame (51) is fixedly installed on the inner wall of the smoke exhaust pipe (1) at the top of the sealing plate (52), the other end of the fixing frame (51) is located on one side, away from the diffusion pipe (23), of the sealing plate (52), the fixing frame (51) is just opposite to a side wall fixedly installed electromagnet (54) of the sealing plate (52), the electromagnet (54) is electrically connected with the exhaust fan (3), and the sealing plate (52) is just opposite to a permanent magnet (53) fixedly installed.

4. A cooling fire protection smoke exhaust fan according to claim 3, wherein: the sealing plate (52) is tightly attached to the outer wall of one side of the diffusion pipe (23) and fixedly provided with a plurality of flow deflectors (14), and the flow deflectors (14) are wing-shaped deconstructions with two downward inclined ends.

5. The cooling fire protection smoke ventilator of claim 1, wherein: the fixed cover in sedimentation tank (7) bottom connects blowdown pipe (8), blowdown pipe (8) are close to one end installation valve (9) of sedimentation tank (7), sedimentation tank (7) top outer wall is fixed and is cup jointed the one end of overflow pipe (13), the one end of sedimentation tank (7) is kept away from in overflow pipe (13) other end intercommunication blowdown pipe (8), highly being located between blowdown pipe (8) and overflow pipe (13) of outlet pipe (10), and outlet pipe (10) cup joint the one end installation filter screen (12) of sedimentation tank (7).