Fire-fighting smoke ventilator
By using filter mesh, activated carbon adsorption plate and rotary mechanism in the fire fume exhaust machine, the problem that the prior art cannot effectively purify the flue gas is solved, and more efficient smoke exhaust and more flexible application capabilities are achieved.
Patent Information
- Application Number
- CN202420537869.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-20
AI Technical Summary
The existing fire-fighting smoke exhaust fan chassis cannot effectively filter and purify harmful substances and impurities in the thick smoke, resulting in environmental pollution.
A fire fume exhaust machine is designed, using a first motor to drive the rotation shaft and fan blades to filter and purify the smoke through the first filter, activated carbon adsorption plate and the second filter, and remove the filter through a scraper and a cleaning brush. The impurities of the smoke exhaust mechanism are adjusted at the same time through the electro-hydraulic rod to adjust the angle of the smoke exhaust mechanism and the rotation mechanism to adapt to different heights and geographical environments.
It effectively reduces environmental pollution, improves smoke exhaust efficiency and device flexibility and practicality, and ensures effective smoke exhaust treatment for buildings of different heights and the ability to adapt to different geographical environments.
Smart Images
Figure CN222165047U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire smoke exhaust, in particular to a fire smoke exhaust machine. Background Art
[0002] With the development of social economy, there are more and more high-rise civil buildings and industrial and mining enterprises, and people's fire awareness is gradually enhanced. As a perfection of fire alarm system, fire early warning system is more and more widely used in high-rise civil buildings and industrial and mining enterprises. Among them, fire fan box is an essential fire-fighting device for high-rise civil buildings and industrial and mining enterprises.
[0003] A fire smoke exhaust fan box proposed by searching the authorization announcement number CN202158013U includes a casing, a fan installed in the casing, and a motor, which is characterized in that: air inlets and air outlets are respectively provided on both sides of the casing, a muffler panel is provided in the casing, collectors are provided at both ends of the fan impeller, the motor is installed on the casing, and is fixed to the base together with the casing, and the motor is connected to the fan through a belt, and a belt cover is provided outside the belt. The utility model adopts the principle of a cabinet centrifuge to make a fire smoke exhaust fan box, which not only increases the effect of smoke exhaust and ventilation, but also the external placement of the motor avoids the aging of the motor and the belt in the smoke duct, thereby improving the service life. At the same time, the base is designed as a vibration reduction device to reduce the noise during operation. The structure is simple and reasonable, the noise is low, the service life is long, and the working efficiency is high.
[0004] However, the smoke extracted from the smoke exhaust fan box in the above application is directly discharged into the outside air, which makes it difficult to filter and purify harmful substances and impurities in the thick smoke, causing environmental pollution to a certain extent. Utility Model Content
[0005] In view of the deficiencies of the prior art, the utility model provides a fire smoke exhaust machine. Its advantages are that by starting the first motor to drive the rotating shaft to rotate, the rotating shaft drives the fan blades to rotate to draw smoke from the air inlet of the shell, and the harmful substances and impurities in the smoke are filtered and purified through the first filter screen, the activated carbon adsorption plate, and the second filter screen, and the purified air is discharged from the air outlet of the shell, which reduces the pollution to the environment to a certain extent. At the same time, the rotation of the rotating shaft drives the scraper and the cleaning brush to rotate, so that the scraper scrapes off the impurities adhered to the surface of the first filter screen, and the cleaning brush cleans the impurities adhered to the surface of the second filter screen, thereby avoiding impurities clogging the first filter screen and the second filter screen, improving the smoke exhaust efficiency, and by starting the electric hydraulic rod to drive the mounting plate to move vertically, thereby driving the smoke exhaust mechanism to move, which is convenient for adjusting the height of the smoke exhaust mechanism, so that the smoke exhaust fan can perform smoke exhaust treatment on fire buildings of different heights, improving practicality.
[0006] To achieve the above object, the utility model provides the following technical solution: a fire smoke exhaust machine, comprising a bottom plate, an electric hydraulic rod is fixedly installed on the top of the bottom plate, a piston end of the electric hydraulic rod is fixedly connected to a mounting plate, and a smoke exhaust mechanism is arranged on the mounting plate;
[0007] The smoke exhaust mechanism includes: an outer shell, which is fixedly installed on the top of the mounting plate, and the outer shell is arranged in the shape of an ice cream cone, with one end being an air inlet and the other end being an air outlet. After the smoke enters the outer shell, as the diameter of the outer shell becomes smaller, the flow speed of the smoke gradually increases, thereby improving the smoke exhaust efficiency to a certain extent. The inner wall of the outer shell is fixedly installed with a first filter, an activated carbon adsorption plate, and a second filter from left to right in sequence, and the inner cavity of the outer shell is fixedly installed with a first motor through a bracket, and the output end of the first motor is fixedly connected to a rotating shaft one through a coupling, and the left end of the rotating shaft one passes through the second filter, the activated carbon adsorption plate, and the first filter in sequence and extends to the left, and the outer wall of the rotating shaft one is fixedly installed with fan blades, a scraper, and a cleaning brush respectively.
[0008] Preferably, a rotating mechanism is provided on the bottom plate, and the rotating mechanism includes: a base, the base is provided below the bottom plate, a mounting groove is provided on the top of the base, a second motor is fixedly installed in the inner cavity of the mounting groove, an output end of the second motor is fixedly connected to a second rotating shaft via a coupling, and the top end of the second rotating shaft is fixedly connected to the bottom of the bottom plate.
[0009] Preferably, the filter hole diameter of the second filter is smaller than the filter hole diameter of the first filter, and two different filter screens are used to filter impurities in the smoke more thoroughly, and the fan blade is located on the right side of the second filter.
[0010] Preferably, the scraper is arranged on the left side of the first filter screen and fits the surface of the first filter screen.
[0011] Preferably, the cleaning brush is arranged on the left side of the second filter screen and fits the surface of the second filter screen.
[0012] Preferably, the base is provided with universal wheels, and there are four universal wheels. The four universal wheels are respectively fixedly mounted at the four bottom corners of the base. The universal wheels are provided to facilitate the movement of the base and improve the flexibility of the device.
[0013] Compared with the prior art, the utility model provides a fire smoke exhaust machine, which has the following beneficial effects:
[0014] 1. The fire smoke exhaust fan drives the rotating shaft to rotate by starting the first motor, and the rotating shaft drives the fan blades to rotate to draw smoke in from the air inlet of the shell, and filters and purifies harmful substances and impurities in the smoke through the first filter, the activated carbon adsorption plate, and the second filter, and the purified air is discharged from the air outlet of the shell, which reduces the pollution to the environment to a certain extent, and at the same time, the rotation of the rotating shaft drives the scraper and the cleaning brush to rotate, so that the scraper scrapes off the impurities adhered to the surface of the first filter, and the cleaning brush cleans the impurities adhered to the surface of the second filter, thereby avoiding the clogging of the first filter and the second filter by impurities, and improving the smoke exhaust efficiency. By starting the electric hydraulic rod to drive the mounting plate to move vertically, the smoke exhaust mechanism is driven to move, which is convenient for adjusting the height of the smoke exhaust mechanism, so that the smoke exhaust fan can exhaust smoke from buildings on fire at different heights, thereby improving practicality.
[0015] 2. This fire smoke exhaust fan starts the second motor to drive the second rotating shaft to rotate, the second rotating shaft drives the bottom plate to rotate, and the bottom plate drives the smoke exhaust mechanism to rotate, so that it is easy to adjust the angle of the smoke exhaust fan, so that the device can be suitable for different geographical environments and improve rescue efficiency. The universal wheels are set to facilitate the movement of the base and improve the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 It is a front cross-sectional view of the utility model;
[0019] Figure 3 It is a cross-sectional view of the shell of the utility model.
[0020] In the figure: 1. bottom plate; 2. electric hydraulic rod; 3. mounting plate; 4. smoke exhaust mechanism; 41. outer shell; 42. first filter; 43. activated carbon adsorption plate; 44. second filter; 45. first motor; 46. first rotating shaft; 47. fan blade; 48. scraper; 49. cleaning brush; 5. rotating mechanism; 51. base; 52. mounting slot; 53. second motor; 54. second rotating shaft; 6. universal wheel. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] Embodiment 1, as Figure 1-3 As shown, the utility model provides a fire smoke exhaust machine, including a bottom plate 1, an electric hydraulic rod 2 is fixedly installed on the top of the bottom plate 1, a piston end of the electric hydraulic rod 2 is fixedly connected to a mounting plate 3, and a smoke exhaust mechanism 4 is arranged on the mounting plate 3; the mounting plate 3 is driven to move vertically by starting the electric hydraulic rod 2, thereby driving the smoke exhaust mechanism 4 to move, so that the height of the smoke exhaust mechanism 4 is adjusted, so that the smoke exhaust fan can exhaust smoke from fire buildings of different heights, thereby improving practicality. The smoke exhaust mechanism 4 includes: a shell 41, the shell 41 is fixedly installed on the top of the mounting plate 3, and the shell 41 is in the shape of an ice cream cone The shape is set, one end is the air inlet, and the other end is the air outlet. After the smoke enters the shell 41, as the diameter of the shell 41 becomes smaller, the flow speed of the smoke gradually increases, thereby improving the smoke exhaust efficiency to a certain extent. The inner wall of the shell 41 is fixedly installed with a first filter 42, an activated carbon adsorption plate 43, and a second filter 44 from left to right, and the inner cavity of the shell 41 is fixedly installed with a first motor 45 through a bracket. The output end of the first motor 45 is fixedly connected to a rotating shaft 46 through a coupling, and the left end of the rotating shaft 46 passes through the second filter 44, the activated carbon adsorption plate 43, the first filter 42 in sequence and passes to the left. The outer wall of the rotating shaft 46 is respectively fixedly mounted with a fan blade 47, a scraper 48, and a cleaning brush 49. The filter hole diameter of the second filter 44 is smaller than the filter hole diameter of the first filter 42. Two different filter screens are used to filter impurities in the smoke more thoroughly. The fan blade 47 is located on the right side of the second filter 44, the scraper 48 is arranged on the left side of the first filter 42, and fits with the surface of the first filter 42. The cleaning brush 49 is arranged on the left side of the second filter 44, and fits with the surface of the second filter 44. By starting the first motor 45 to drive the rotating shaft 46 to rotate, the rotating shaft 46 drives the fan blade 47 to rotate Smoke is drawn in from the air inlet of the housing 41, and harmful substances and impurities in the smoke are filtered and purified through the first filter 42, the activated carbon adsorption plate 43, and the second filter 44. The purified air is discharged from the air outlet of the housing 41, which reduces the pollution to the environment to a certain extent. At the same time, the rotation of the shaft 46 drives the scraper 48 and the cleaning brush 49 to rotate, so that the scraper 48 scrapes off the impurities adhered to the surface of the first filter 42, and the cleaning brush 49 cleans the impurities adhered to the surface of the second filter 44, thereby avoiding the impurities from clogging the first filter 42 and the second filter 44, thereby improving the smoke exhaust efficiency.
[0023] In this embodiment, the first motor 45 is started to drive the rotating shaft 46 to rotate, and the rotating shaft 46 drives the fan blades 47 to rotate to draw smoke in from the air inlet of the shell 41, and the harmful substances and impurities in the smoke are filtered and purified by the first filter 42, the activated carbon adsorption plate 43, and the second filter 44. The purified air is discharged from the air outlet of the shell 41, which reduces the pollution to the environment to a certain extent. At the same time, the rotation of the rotating shaft 46 drives the scraper 48 and the cleaning brush 49 to rotate, so that the scraper 48 scrapes off the impurities adhered to the surface of the first filter 42, and the cleaning brush 49 cleans the impurities adhered to the surface of the second filter 44, thereby avoiding impurities clogging the first filter 42 and the second filter 44, thereby improving the smoke exhaust efficiency, and the electric hydraulic rod 2 is started to drive the mounting plate 3 to move vertically, thereby driving the smoke exhaust mechanism 4 to move, so that the height of the smoke exhaust mechanism 4 can be adjusted, so that the smoke exhaust fan can exhaust smoke from buildings on fire at different heights, thereby improving practicality.
[0024] Embodiment 2, as Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, a rotating mechanism 5 is provided on the bottom plate 1, and the rotating mechanism 5 includes: a base 51, the base 51 is arranged below the bottom plate 1, and a mounting groove 52 is opened on the top of the base 51, and a second motor 53 is fixedly installed in the inner cavity of the mounting groove 52, and the output end of the second motor 53 is fixedly connected with a second rotating shaft 54 through a coupling, and the top of the second rotating shaft 54 is fixedly connected to the bottom of the bottom plate 1, and the second rotating shaft 54 is driven to rotate by starting the second motor 53, and the second rotating shaft 54 drives the bottom plate 1 to rotate, and the bottom plate 1 drives the smoke exhaust mechanism 4 to rotate, so as to facilitate the adjustment of the angle of the smoke exhaust fan, so that the device can be suitable for different geographical environments and improve the rescue efficiency, and universal wheels 6 are provided on the base 51, and the number of universal wheels 6 is four, and the four universal wheels 6 are respectively fixedly installed at the four corners of the bottom of the base 51, and the movement of the base 51 is facilitated by the provision of universal wheels 6, thereby improving the flexibility of the device.
[0025] In this embodiment, by starting the second motor 53 to drive the second rotating shaft 54 to rotate, the second rotating shaft 54 drives the base plate 1 to rotate, and the base plate 1 drives the smoke exhaust mechanism 4 to rotate, thereby facilitating the adjustment of the angle of the smoke exhaust fan, so that the device can be adapted to different geographical environments and the rescue efficiency is improved. The universal wheels 6 are provided to facilitate the movement of the base 51, thereby improving the flexibility of the device.
[0026] The following is a detailed description of the working principle of this fire smoke exhaust machine.
[0027] like Figure 1-3As shown, when in use, the device is moved to a designated position through the universal wheel 6, and the first motor 45 is started to drive the rotating shaft 46 to rotate, and the rotating shaft 46 drives the fan blade 47 to rotate to draw smoke from the air inlet of the shell 41, and the harmful substances and impurities in the smoke are filtered and purified through the first filter 42, the activated carbon adsorption plate 43, and the second filter 44, and the purified air is discharged from the air outlet of the shell 41. At the same time, the rotating shaft 46 rotates to drive the scraper 48 and the cleaning brush 49 to rotate, so that the scraper 48 hits the first filter 4 2, the impurities adhered to the surface are scraped off, the cleaning brush 49 cleans the impurities adhered to the surface of the second filter screen 44, the mounting plate 3 is driven to move vertically by starting the electric hydraulic rod 2, thereby driving the smoke exhaust mechanism 4 to move, so that the smoke exhaust fan can exhaust smoke from the fire buildings at different heights, and the second motor 53 is driven to rotate the second shaft 54, the second shaft 54 drives the bottom plate 1 to rotate, and the bottom plate 1 drives the smoke exhaust mechanism 4 to rotate, so that the angle of the smoke exhaust fan can be adjusted, so that the device can be suitable for different geographical environments.
Claims
1. A fire smoke exhaust machine, comprising a bottom plate (1), characterized in that: An electric hydraulic rod (2) is fixedly mounted on the top of the base plate (1); a piston end of the electric hydraulic rod (2) is fixedly connected to a mounting plate (3); and a smoke exhaust mechanism (4) is provided on the mounting plate (3); The smoke exhaust mechanism (4) comprises: a shell (41), the shell (41) is fixedly mounted on the top of the mounting plate (3), the inner wall of the shell (41) is fixedly mounted with a first filter (42), an activated carbon adsorption plate (43), and a second filter (44) in sequence from left to right, the inner cavity of the shell (41) is fixedly mounted with a first motor (45) via a bracket, the output end of the first motor (45) is fixedly connected to a rotating shaft (46) via a coupling, and the left end of the rotating shaft (46) passes through the second filter (44), the activated carbon adsorption plate (43), and the first filter (42) in sequence and extends to the left, and the outer wall of the rotating shaft (46) is fixedly mounted with a fan blade (47), a scraper (48), and a cleaning brush (49).
2. A fire smoke exhaust machine according to claim 1, characterized in that: A rotating mechanism (5) is arranged on the bottom plate (1), and the rotating mechanism (5) comprises: a base (51), the base (51) is arranged below the bottom plate (1), a mounting groove (52) is provided on the top of the base (51), a second motor (53) is fixedly mounted in the inner cavity of the mounting groove (52), an output end of the second motor (53) is fixedly connected to a second rotating shaft (54) via a coupling, and a top end of the second rotating shaft (54) is fixedly connected to the bottom of the bottom plate (1).
3. A fire smoke exhaust machine according to claim 1, characterized in that: The diameter of the filter holes of the second filter screen (44) is smaller than the diameter of the filter holes of the first filter screen (42), and the fan blade (47) is located on the right side of the second filter screen (44).
4. A fire smoke exhaust machine according to claim 1, characterized in that: The scraper (48) is arranged on the left side of the first filter screen (42) and is in contact with the surface of the first filter screen (42).
5. A fire smoke exhaust machine according to claim 1, characterized in that: The cleaning brush (49) is arranged on the left side of the second filter screen (44) and is in contact with the surface of the second filter screen (44).
6. A fire smoke exhaust machine according to claim 2, characterized in that: Universal wheels (6) are arranged on the base (51), and there are four universal wheels (6). The four universal wheels (6) are respectively fixedly mounted at the four bottom corners of the base (51).