CN220103323U - Fire control fume exhaust ventilation equipment - Google Patents

Fire control fume exhaust ventilation equipment Download PDF

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Publication number
CN220103323U
CN220103323U CN202321711993.4U CN202321711993U CN220103323U CN 220103323 U CN220103323 U CN 220103323U CN 202321711993 U CN202321711993 U CN 202321711993U CN 220103323 U CN220103323 U CN 220103323U
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CN
China
Prior art keywords
dust
brush
filter screen
negative pressure
dust collection
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Active
Application number
CN202321711993.4U
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Chinese (zh)
Inventor
黄江俊
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Guangdong Zhen'an Fire Engineering Co ltd
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Guangdong Zhen'an Fire Engineering Co ltd
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Priority to CN202321711993.4U priority Critical patent/CN220103323U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model discloses fire-fighting smoke-discharging ventilation equipment, which comprises a pipe body, a fan, a filter screen, a dust-absorbing brush, a driving mechanism and an air dust separator, wherein the fan is arranged in the pipe body and forms a negative pressure cavity at one end of the pipe body, the filter screen is arranged at one side of the fan, which is far away from the negative pressure cavity, the dust-absorbing brush is rotatably arranged at one side of the filter screen, the driving mechanism is arranged on the pipe body and is used for driving the dust-absorbing brush to rotate, a cavity is arranged on the dust-absorbing brush, a bristle and a dust-absorbing hole communicated with the interior of the cavity are arranged at one side of the dust-absorbing brush, the cavity of the dust-absorbing brush is communicated with the interior of the negative pressure cavity, and the air dust separator is arranged between the dust-absorbing brush and the negative pressure cavity. The dust-containing gas flows into the gas-dust separator under the action of negative pressure to separate dust, so that the dust separated on the filter screen is prevented from being discharged into the atmosphere, and the pollution to the environment is reduced; and the dust which is not separated by the gas-dust separator can reenter the negative pressure cavity along with the airflow to be filtered again, so that the filtering effect of the filter screen on the smoke-containing gas is further improved.

Description

Fire control fume exhaust ventilation equipment
Technical Field
The utility model relates to the technical field of ventilation, in particular to fire-fighting smoke-discharging ventilation equipment, wherein working fluid is air.
Background
In the utility model patent document with the application number 201921798851.X, in a fire-fighting smoke exhaust ventilator, fan blades are fixedly connected to a rotating shaft, the rotating shaft is fixedly connected with a rotating rod with a hollow structure, and an adsorption hole communicated with the rotating rod in a hollow mode is formed in the rotating rod; the rotating shaft is a hollow rotating shaft, the hollow rotating shaft is communicated with the rotating rod, a vent hole is formed in the hollow rotating shaft, a sleeve is rotatably sleeved on the rotating shaft, a first exhaust pipe is communicated with the sleeve, a negative pressure fan is communicated with the first exhaust pipe, and a second exhaust pipe is communicated with the negative pressure fan; when the fan is used, the motor drives the fan blades to rotate for exhausting smoke, and in the ventilation process, the filter screen is used for blocking dust in the smoke exhaust channel; in the ventilation process, the rotating shaft drives the rotating rod to rotate, the brush hair on the rotating rod cleans dust on the filter screen, then the dust enters the rotating rod, the rotating shaft and the first exhaust pipe in sequence through the adsorption hole, and finally the dust is discharged through the second exhaust pipe.
The smoke contains a large amount of harmful impurity particles, when the fire-fighting smoke exhaust ventilator is used for exhausting smoke and ventilating, the filter screen is used for blocking dust in a smoke exhaust channel, meanwhile, the rotary rod brushes down the filter screen to adsorb dust, but the dust adsorbed on the filter screen is finally brushed down and then exhausted through the first exhaust pipe, and the fire-fighting smoke exhaust ventilator still discharges the harmful impurity particles to the external environment, so that environmental pollution is caused.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a fire-fighting smoke-discharging ventilation device capable of separating and recovering dust adsorbed on a filter screen, which adopts the following technical scheme:
the utility model provides a fire control ventilation equipment that discharges fume, includes body, fan, filter screen, dust absorption brush, actuating mechanism and air dust separator, the fan sets up in the body and forms the negative pressure chamber in the one end of body, the filter screen sets up in the fan deviates from one side in negative pressure chamber, the dust absorption brush rotationally sets up filter screen one side, actuating mechanism installs on the body and be used for the drive the dust absorption brush rotates, be equipped with the cavity on the dust absorption brush, the dust absorption brush be close to one side of filter screen be equipped with the brush hair and with the dust absorption hole of the inside intercommunication of cavity, the cavity and the inside intercommunication of negative pressure chamber of dust absorption brush, the dust absorption brush with be equipped with air dust separator between the negative pressure chamber.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the dust collection brush is arranged on one side of the filter screen, which is away from the fan.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the dust separator comprises a conical tube and a return tube, wherein the conical tube is vertically arranged with the conical tip facing downwards, the rotation center of the dust collection brush is rotationally connected and communicated with the air inlet tube, the other end of the air inlet tube is communicated with the upper end of the outer wall of the conical tube, one end of the return tube is inserted into the conical tube from the top end of the conical tube, and the other end of the return tube is communicated with the inside of the negative pressure cavity.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the air inlet pipe is characterized by further comprising a conical cylindrical screen, wherein the screen is vertically arranged in the conical pipe and surrounds the outside of one end of the return pipe inserted into the conical pipe, and a gap is reserved between the screen and the air inlet pipe.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the reflux pipeline is provided with a valve which can be opened and closed.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the dust collection brush comprises a dust collection box, a groove is formed in one side, close to the filter screen, of the dust collection box, the brush hair is arranged in the groove, and dust collection holes are formed in the side wall, close to the filter screen, of the dust collection box and on the groove wall of the groove.
The utility model has the beneficial effects that: the fan can generate negative pressure in the cavity of the dust collection brush and at the dust collection hole, dust and air flow which are brushed down by the dust collection brush are mixed to form dust-containing gas, and the dust-containing gas flows into the air-dust separator under the action of the negative pressure to separate the dust, so that the dust separated on the filter screen is prevented from being discharged into the atmosphere, and the pollution to the environment is reduced; and the dust which is not separated by the gas-dust separator can reenter the negative pressure cavity along with the airflow to be filtered again, so that the filtering effect of the filter screen on the smoke-containing gas is further improved.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a fire-fighting smoke-discharging ventilation device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a dust collection brush according to an embodiment of the present utility model;
fig. 3 is a cross-sectional view of a gas-dust separator according to an embodiment of the present utility model.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1-3, an embodiment of the present utility model is provided, the fire-fighting smoke-discharging ventilation device includes a tube 1, a fan 2, a filter screen 3, a dust-collecting brush 4, a driving mechanism (not shown in the figure) and a dust-collecting hole 44, wherein the fan 2 is disposed in the tube 1 and forms a negative pressure cavity 11 at one end of the tube 1, the filter screen 3 is disposed at one side of the fan 2 facing away from the negative pressure cavity 11, the dust-collecting brush 4 is rotatably disposed at one side of the filter screen 3, the driving mechanism is mounted on the tube 1 and is used for driving the dust-collecting brush 4 to rotate, a cavity is disposed on the dust-collecting brush 4, a bristle 43 and a dust-collecting hole 44 communicating with the cavity are disposed at one side of the dust-collecting brush 4, the cavity of the dust-collecting brush 4 communicates with the negative pressure cavity, and the dust-collecting hole 6 is disposed between the dust-collecting brush 4 and the negative pressure cavity.
When the fire-fighting smoke-discharging ventilation device is used, the fan 2 is started and forms negative pressure at the air inlet end of the tube body 1, and smoke-containing gas flows into the tube body 1 under the action of the negative pressure and flows into the filter screen 3 for filtering.
In order to block the filter holes 31 on the filter screen 3 by dust adsorbed on the filter screen 3, the dust collection brush 4 is driven to rotate on one side of the filter screen 3 by the driving mechanism so that the dust collection brush 4 can brush down dust in the filter holes of the filter screen 3; the cavity of the dust collection brush 4 is communicated with the inside of the negative pressure cavity through the air-dust separator 6, the fan 2 can generate negative pressure in the cavity of the dust collection brush 4 and at the dust collection holes 44, dust brushed down by the dust collection brush 4 is mixed with air flow to form dust-containing gas, and the dust-containing gas flows into the air-dust separator 6 under the action of the negative pressure to separate the dust, so that the dust separated on the filter screen 3 is prevented from being discharged into the atmosphere, and the pollution to the environment is reduced; and the dust which is not separated by the air-dust separator 6 can reenter the negative pressure cavity along with the air flow to be filtered again, so that the filtering effect of the filter screen 3 on the smoke-containing gas is further improved.
The driving mechanism of the utility model can be a motor arranged in the pipe body 1, a rotating shaft is arranged on one side of the dust collection brush 4 close to the filter screen 3, and the dust collection brush 4 is arranged on the filter screen 3 through the rotating shaft and is connected with an output shaft of the motor.
Referring to the drawings, in the present utility model, the dust collection brush 4 is disposed at a side of the filter screen 3 away from the fan 2, so that dust on the filter screen 3 is advantageously introduced into the dust collection brush 4 along with air flow from the dust collection holes 44 after the dust collection brush 4 brushes down.
Further, the air-dust separator 6 includes a conical tube 61 and a return tube 62, the conical tube 61 is vertically arranged with its conical tip facing downward, the rotation center of the dust collection brush 4 is rotationally connected and communicated with one end of the air inlet pipe 5, the other end of the air inlet pipe 5 is communicated with the upper end of the outer wall of the conical tube 61, one end of the return tube 62 is inserted into the conical tube 61 from its top end, and the other end is communicated with the negative pressure cavity.
Referring to the drawings, one end of the dust collection brush 4 is mounted in the middle of the filter screen 3 through a bearing in running fit with the dust collection brush, one end of the air inlet pipe 5 is rotated on the dust collection brush 4 through a bearing, the air inlet pipe 5 is rotationally connected with the rotation center of the dust collection brush 4, and the air inlet pipe 5 is communicated with the inside of the cavity of the dust collection brush 4.
The other end of the air inlet pipe 5 is communicated with the upper end of the outer wall of the conical pipe 61, dust-containing gas flows into the conical pipe 61 along the tangential direction of the conical pipe 61 to form conical airflow, dust in the dust-containing gas is impacted on the inner wall of the conical pipe 61 to be deposited under the action of centrifugal force, and the gas separated from the dust can flow into the negative pressure cavity through the return pipe 62.
The bottom end of the conical tube 61 is further provided with an openable cover (not shown) which can be opened to clean dust accumulated in the bottom of the conical tube 61 when dust is deposited in the conical tube 61.
Based on the above, further, the air-dust separator 6 further includes a screen 7 having a cone shape, the screen 7 being vertically disposed in the cone-shaped pipe 61 and surrounding an outside of an end of the return pipe 62 inserted into the cone-shaped pipe 61, and a gap being provided between the screen 7 and the air inlet pipe 5.
The gas entering the tapered pipe 61 is separated into gas and dust by centrifugal force, and the gas and dust are separated by the screen 7, thereby improving the gas and dust separation efficiency.
Further, as an preference, the return pipe 62 is provided with a valve capable of being opened and closed, when the valve is closed, the fan 2 is started and forms negative pressure at the air inlet of the pipe body 1, and the smoke-containing gas flows into the pipe body 1 under the action of the negative pressure and flows into the filter screen 3 for filtering; after the valve is opened, the driving mechanism is started simultaneously, and the fan 2 can generate negative pressure simultaneously at the air inlet and the dust collection port of the pipe body 1 while the dust collection brush 4 rotates and cleans the filter screen 3.
Further, preferably, the dust collection brush 4 includes a dust collection box 41, a groove 42 is provided on a side of the dust collection box 41 close to the filter screen 3, the brush hair 43 is provided in the groove 42, and dust collection holes 44 are provided on a side wall of the dust collection box 41 close to the filter screen 3 and on a wall of the groove 42. The inner bottom wall of the groove 42 is also provided with dust collection holes 44 for absorbing and discharging dust between the brush hairs 43.
When the dust collection brush 4 rotates to brush the filter screen 3 for dust collection, dust collection holes 44 on two sides of the groove 42 of the dust collection box 41 can absorb dust on the front side and the rear side of the dust collection brush 4, so that the dust brushed by the dust collection brush 4 is prevented from escaping.
Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims (6)

1. The utility model provides a fire control ventilation equipment that discharges fume, its characterized in that includes body (1), fan (2), filter screen (3), dust absorption brush (4), actuating mechanism and dust separator (6), fan (2) set up in body (1) and form the negative pressure chamber in the one end of body (1), filter screen (3) set up in fan (2) deviate from one side in negative pressure chamber, dust absorption brush (4) rotationally set up filter screen (3) one side, actuating mechanism installs on body (1) and be used for the drive dust absorption brush (4) rotate, be equipped with the cavity on dust absorption brush (4), dust absorption brush (4) be close to one side of filter screen (3) be equipped with brush hair (43) and with dust absorption hole (44) of cavity inside intercommunication, dust absorption brush (4) the cavity with negative pressure intracavity intercommunication, dust absorption brush (4) with be equipped with dust separator (6) between the negative pressure chamber.
2. Fire smoke evacuation and ventilation device according to claim 1, characterized in that said dust collection brush (4) is arranged on the side of said filter screen (3) facing away from the fan (2).
3. A fire protection, smoke evacuation and ventilation device according to claim 1, characterized in that the air and dust separator (6) comprises a conical tube (61) and a return tube (62), the conical tube (61) is arranged vertically with its conical tip facing downwards, the centre of rotation of the dust collection brush (4) is rotationally connected and communicated with the air inlet tube (5), the other end of the air inlet tube (5) is communicated with the upper end of the outer wall of the conical tube (61), one end of the return tube (62) is inserted into the conical tube (61) from the top end thereof, and the other end is communicated with the inside of the negative pressure cavity.
4. A fire protection, smoke evacuation and ventilation device according to claim 3, further comprising a cone-shaped screen (7), said screen (7) being vertically arranged in said cone-shaped pipe (61) and surrounding the outside of the end of said return pipe (62) inserted into said cone-shaped pipe (61), said screen (7) being in a gap with said air inlet pipe (5).
5. A fire protection, smoke evacuation and ventilation device according to claim 3, characterized in that said return pipe (62) is provided with a valve which can be opened and closed.
6. A fire smoke evacuation ventilation device according to any one of claims 1-5, wherein said dust collection brush (4) comprises a dust collection box (41), a recess (42) is provided on the side of said dust collection box (41) close to said filter screen (3), said bristles (43) are provided in said recess (42), and dust collection holes (44) are provided on the side wall of said dust collection box (41) close to said filter screen (3) and on the wall of said recess (42).
CN202321711993.4U 2023-06-30 2023-06-30 Fire control fume exhaust ventilation equipment Active CN220103323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321711993.4U CN220103323U (en) 2023-06-30 2023-06-30 Fire control fume exhaust ventilation equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321711993.4U CN220103323U (en) 2023-06-30 2023-06-30 Fire control fume exhaust ventilation equipment

Publications (1)

Publication Number Publication Date
CN220103323U true CN220103323U (en) 2023-11-28

Family

ID=88840976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321711993.4U Active CN220103323U (en) 2023-06-30 2023-06-30 Fire control fume exhaust ventilation equipment

Country Status (1)

Country Link
CN (1) CN220103323U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A type of fire smoke exhaust and ventilation equipment

Granted publication date: 20231128

Pledgee: China Postal Savings Bank Co.,Ltd. Zhuhai Xiangzhou Branch

Pledgor: Guangdong Zhen'an Fire Engineering Co.,Ltd.

Registration number: Y2024980008391

PE01 Entry into force of the registration of the contract for pledge of patent right