CN111207420A - Building central flue system - Google Patents
Building central flue system Download PDFInfo
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- CN111207420A CN111207420A CN201811388598.0A CN201811388598A CN111207420A CN 111207420 A CN111207420 A CN 111207420A CN 201811388598 A CN201811388598 A CN 201811388598A CN 111207420 A CN111207420 A CN 111207420A
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- air
- flue
- air outlet
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ventilation (AREA)
Abstract
The utility model provides a building central flue system, is including installing the range hood at different floors, and the air outlet of every range hood is all linked together through respective tobacco pipe and public flue, installs the vertical straight-through air-out passageway of export with public flue on the roof, its characterized in that: the aperture of the air outlet channel is larger than that of the common flue, at least two flue fans which work independently are arranged in the air outlet channel, and the flue fans are arranged at the positions close to the inner wall of the air outlet channel and avoid air flow discharged from the outlet of the common flue. The invention has the advantages that: the outdoor smoke exhaust power of the building central flue system adopts a multi-fan combination, the flue fan is arranged at a position close to the inner wall of the air outlet channel and avoids air flow discharged from the outlet of the public flue, the arrangement of the fan is more reasonable and scientific, the building central flue system can be suitable for various complex installation environments, the smoke exhaust resistance of the system is smaller, the smoke exhaust efficiency of the system is higher, the energy is more saved, the reliability of the system is higher, and the service life of the fan is longer.
Description
Technical Field
The invention relates to a flue system, in particular to a central flue system of a building.
Background
At present, floors of newly built floors in cities are generally higher and higher, an outlet of a high-rise public flue is generally arranged at the top of the floors, in order to ensure that a range hood of each floor of users can smoothly discharge smoke, a flue fan is generally arranged at the outlet of the public flue, the flue fan is a host fan, when the flue fan works, negative pressure is formed at the outlet of the public flue, and fans are also arranged on the range hoods at the sides of the users, so that oil smoke at the sides of the users can be smoothly discharged through the public flue. The existing central flue system of the building is only provided with a large flue fan at the outlet of a public flue, and even if only one or a few users of the whole building are started, the flue fan needs to be frequently started, so that the service life of a motor is shortened, the operation efficiency is low, and the large flue fan is directly arranged at the outlet of the flue, so that the smoke discharge resistance is large. In addition, in order to ensure the air pressure balance in the kitchen, a kitchen air supplement structure is also disclosed at present, but the existing kitchen air supplement structure generally needs to be provided with power at an air supplement port for air supplement, and the existing flue fan is mainly used for exhausting air and cannot be used for supplementing air for the kitchen. In conclusion, further improvements to the existing central flue system of buildings are needed.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a building central flue system which can eliminate the smoke discharge resistance of a common flue and has more efficient and energy-saving operation of a flue fan, aiming at the current situation of the prior art.
The second technical problem to be solved by the present invention is to provide a building central flue system with a flue fan capable of providing wind supplementing power, aiming at the above-mentioned current state of the art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this building central flue system, including installing the range hood at different floors, the air outlet of every range hood all is linked together through respective tobacco pipe and public flue, installs the vertical straight-through air-out passageway of export with public flue, its characterized in that on the roof: the caliber of the air outlet channel is larger than that of the public flue, at least two flue fans which work independently are arranged in the air outlet channel, and the flue fans are arranged at the positions close to the inner wall of the air outlet channel and avoid air flow discharged from the outlet of the public flue.
Preferably, the air outlet channel is a square channel, the flue fan is a vertically arranged centrifugal fan, the back of the flue fan is close to the inner wall of the air outlet channel, and the air inlet of the flue fan faces the inside of the air outlet channel.
And an air duct partition board for mutually isolating the air inlets of the flue fans is arranged in the air outlet channel.
As a preferred scheme, the number of the flue fans is two, the air inlets of the flue fans are arranged oppositely, and the air duct partition plate is vertically arranged between the two flue fans.
As another preferred scheme, the number of the flue fans is three, the flue fans are arranged on three side walls of the air outlet channel, the air channel partition plates are distributed in a T shape, the air channel partition plates partition the interior of the air outlet channel into three air inlet areas which are mutually isolated, and air outlets of the flue fans correspond to the air inlet areas one to one.
As another preferred scheme, the number of the flue fans is four, the four flue fans are correspondingly arranged on four side walls of the air outlet channel, the two air duct partition plates are crossed and form an X shape, the air duct partition plates divide the interior of the air outlet channel into four air inlet areas which are isolated from each other, and the air outlet of each flue fan corresponds to the air inlet area one by one.
As another preferred scheme, the four flue fans are correspondingly arranged on four side walls of the air outlet channel, the air duct partition board is provided with three air duct partition boards which are distributed in an H shape, the air duct partition board divides the interior of the air outlet channel into four air inlet areas which are mutually isolated, and the air outlet of each flue fan corresponds to the air inlet area one by one.
The air outlet of the flue fan can be in various orientations, and one preferred scheme is that the air outlet direction of the air outlet of the flue fan is upward.
Another preferred scheme of the air outlet is as follows: the air outlet direction of the air outlet of the flue fan is the horizontal direction, and air outlet holes which are in one-to-one correspondence with the air outlets are formed in the side wall of the air outlet channel.
Preferably, the air outlet of the flue fan is provided with a check valve plate.
In order to reduce the noise of the flue fan during working, a noise reduction and elimination device is arranged between the back of the flue fan and the inner wall of the air outlet channel.
Further preferably, a top cover plate is installed in the center of the top of the air outlet channel.
In order to purify the oil smoke discharged from the air outlet channel, an oil smoke filtering device is arranged in the air outlet channel and is positioned at the front end of an air inlet of the flue fan.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the range hood of the building central flue system is a powerless range hood, an air supply port communicated with outside air is formed in a kitchen wall, and the air supply port is communicated with the public flue sequentially through a kitchen inner space, an air channel inside the range hood and a smoke pipe. Therefore, the flue fan can provide air supplement power, air pressure balance in a kitchen can be ensured after air supplement through the air supplement port, and interference of an external flow field to oil smoke absorption is reduced.
Preferably, an electric air distribution valve is arranged on a smoke pipe of each range hood, and a host electric control device which can receive signals sent by the electric air distribution valve and further control the flue fan is arranged on the roof. Therefore, the system is convenient to monitor and manage through the real-time communication between the indoor electric valve and the roof control center, and the roof control center is in real-time communication with the cloud platform, so that the running state can be fed back to the cloud platform in real time, and the monitoring, data acquisition, prepositive maintenance and the like of the host are realized.
Preferably, the range hood is provided with an air quality sensor, the air quality sensor can transmit an output signal to the electric air volume distribution valve, and the host electric control device can receive a corresponding signal sent by the electric air volume distribution valve to start the flue fan under the condition that the air quality exceeds the standard. Like this, air quality sensor can real-time detection indoor air quality, and during the non-culinary art peak, when air quality exceeds standard, start amount of wind electric distributor valve, send signal to host computer electrically controlled device simultaneously, start the flue fan and take a breath, outdoor new trend gets into indoorly from the tonifying qi wind mouth, and it is leading until air quality is up to standard.
In order to detect the flow of each range hood, an air volume sensor or a pressure sensor is arranged on a smoke pipe of each range hood.
In order to prevent rainwater and external air flow from entering a common flue, a top hood is arranged above the top of the air outlet channel.
Compared with the prior art, the invention has the advantages that: the outdoor smoke exhaust power of the building central flue system adopts a multi-fan combination, the flue fan is arranged at a position close to the inner wall of the air outlet channel and avoids air flow discharged from the outlet of the public flue, the arrangement of the fan is more reasonable and scientific, the building central flue system can be suitable for various complex installation environments, the smoke exhaust resistance of the system is smaller, the smoke exhaust efficiency of the system is higher, the energy is more saved, the reliability of the system is higher, and the service life of the fan is longer. In addition, the air supply opening is arranged in the kitchen, so that the air pressure in the kitchen can be kept balanced all the time, and fresh air required by the combustion of the kitchen range can be effectively supplemented even if a door or a window is not opened.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic partial structure diagram according to a first embodiment of the present invention;
FIG. 3 is a schematic view of an installation structure of a flue blower and a flue partition plate according to a first embodiment of the present invention;
FIG. 4 is a schematic view of an installation structure of a flue blower and a flue partition plate according to a second embodiment of the present invention;
FIG. 5 is a schematic view of an installation structure of a flue blower and a flue partition plate according to a third embodiment of the present invention;
FIG. 6 is a schematic view of an installation structure of a flue blower and a flue partition plate according to a fourth embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a fifth embodiment of the present invention;
FIG. 8 is a schematic partial structure diagram according to a fifth embodiment of the present invention;
fig. 9 is a schematic view of an installation structure of a flue blower and a flue partition plate according to a fifth embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The first embodiment is as follows:
as shown in fig. 1 to fig. 3, the building central flue system of the present embodiment includes the range hoods 1 installed on different floors, the air outlet of each range hood 1 is communicated with the common flue 3 through the respective smoke tube 2, the roof is installed with the air outlet channel 4 vertically and directly communicated with the outlet of the common flue 3, the aperture of the air outlet channel 4 is larger than the aperture of the common flue 3, and the flue fan 5 is installed at a position close to the inner wall of the air outlet channel and avoids the airflow discharged from the outlet of the common flue 3, thereby reducing the smoke discharge resistance of the system.
In this embodiment, air-out passageway 4 is square passageway, and flue fan 5 is the vertical centrifugal fan who places, and the back of flue fan 5 is close to air-out passageway 4's inner wall, for reducing flue fan 5's noise at the operating noise, installs noise abatement noise eliminator 8 of making an uproar between the back of flue fan 5 and air-out passageway 4's inner wall. In order to consider the problem of high roof noise caused by the multi-fan, a damping device 16 can be arranged at the bottom of the air outlet channel 4. In order to purify the oil smoke, the central flue system is provided with an oil smoke filtering device 10 in the air outlet channel 4, and the oil smoke filtering device 10 is positioned at the front end of an air inlet of the flue fan 5.
In this embodiment, the air inlet 51 of the flue fan 5 faces the inside of the air outlet channel 4, and the air outlet direction of the air outlet of the flue fan 5 faces upward. The four flue fans 5 are correspondingly arranged on the four side walls of the air outlet channel 4, and the four flue fans 5 work independently. At air-out passageway 4 internally mounted has wind channel baffle 6, and in this embodiment, wind channel baffle 6 has two and alternately is the X shape, and wind channel baffle 6 separates into four air inlet region 7 of mutual isolation with air-out passageway 4 internally, and the air outlet of every flue fan 5 corresponds with air inlet region 7 one-to-one. In addition, a top cover plate 9 is installed in the center of the top of the air outlet channel 4, on one hand, the top cover plate 9 can prevent air flows at the air outlets 52 of the flue fans 5 from interfering with each other, on the other hand, the top cover plate 9 can also prevent external air flows from flowing backwards into the public flue 3, and in order to further prevent rainwater and external air flows from entering the public flue 3, a top hood 20 is installed above the top of the air outlet channel 4.
The range hood 1 of this embodiment adopts the main power source of discharging fume in the case of a fan without power or with a counterweight and with low performance parameters, and the flue fan 5. An air supply opening 12 communicated with outside air is formed in the kitchen wall body 11, the air supply opening 12 is communicated with the public flue 3 sequentially through the kitchen inner space, the air duct in the range hood 1 and the smoke pipe 2, and therefore air supply can be carried out in a kitchen through the air supply opening 12. After air is supplemented through the air supplementing opening 12, the balance of air pressure in the kitchen can be ensured, and the interference of an external flow field to oil smoke absorption is reduced. In addition, a filter 17 may be provided at the supply port 12 to purify the air supplied to the kitchen.
The central flue system is characterized in that an electric air distribution valve 13 is installed on a smoke pipe 2 of each range hood 1, the electric air distribution valve 13 is provided with a wireless transmitting module, a host electric control device 14 is installed on the roof, the electric air distribution valve 13 is in real-time communication with the host electric control device 14, the host electric control device 14 is provided with a wireless receiving module, the wireless receiving module receives signals sent by the wireless transmitting module, the host electric control device 14 is in real-time communication with a cloud platform 18, the electric air distribution valve 13 and a flue fan 5 are controlled according to the received signals, the system is monitored and managed, air distribution, prepositive maintenance, big data collection and the like are achieved. In order to detect the flow of each range hood, an air quantity sensor 15 or a pressure sensor is arranged on the smoke pipe 2 of each range hood 1. In addition, as the existing structure, the outlet end of the smoke tube 2 of each range hood 1 is provided with a fire damper 19.
In addition, the central flue system can also supplement kitchen air as needed. Specifically, an air quality sensor (not shown) is installed on the range hood 1, the air quality sensor can transmit an output signal to the electric air volume distribution valve 13, the electric air volume distribution valve 13 is started and sends a corresponding signal to the host electronic control device 14 under the condition that the air quality exceeds the standard, the host electronic control device 14 further starts the flue fan 5 to ventilate, and outdoor fresh air enters the kitchen from the air supplementing opening 12 until the air quality of the kitchen reaches the standard.
Example two:
as shown in fig. 4, in this embodiment, there are also four flue fans 5 of the central flue system and are correspondingly disposed on four side walls of the air outlet channel 4, which is different from the first embodiment in the distribution manner of the air duct partition 6. In this embodiment, the air duct partition 6 has three and is H-shaped distribution, the air duct partition 6 divides the inside of the air outlet channel 4 into four air inlet areas 7 which are isolated from each other, and the air outlet of each flue fan 5 corresponds to the air inlet areas 7 one by one. The rest of the structure of the present embodiment is the same as that of the first embodiment, and will not be described herein.
Example three:
as shown in fig. 5, in this embodiment, three flue fans 5 of the central flue system are provided and disposed on three side walls of the air outlet channel 4, two air duct partition plates 6 are provided and distributed in a T shape, the air duct partition plates 6 partition the inside of the air outlet channel 4 into three air inlet regions 7 which are isolated from each other, and an air outlet of each flue fan 5 corresponds to the air inlet regions 7 one to one. The rest of the structure of the present embodiment is the same as that of the first embodiment, and will not be described herein.
Example four:
as shown in fig. 6, in this embodiment, there are two flue fans 5 of the central flue system, the air inlets of the flue fans 5 are disposed oppositely, and the air duct partition plate 6 is vertically disposed between the two flue fans 5. The rest of the structure of the present embodiment is the same as that of the first embodiment, and will not be described herein.
Example five:
as shown in fig. 7 to 9, in the present embodiment, there are also four flue fans 5 of the central flue system and are correspondingly disposed on four side walls of the air outlet channel 4, which is different from the first embodiment in that the air outlet 52 of the flue fan 5 is oriented differently. In this embodiment, the air outlet direction of the air outlet 52 of the flue fan 5 is a horizontal direction, the air outlet 52 of the flue fan 5 is provided with the check valve plate 53, and the side wall of the air outlet channel 4 is provided with the air outlet holes 41 corresponding to the air outlet 52 one by one, so that the flue gas exhausted from the air outlet of the flue fan 5 can be smoothly exhausted to the outside through the air outlet holes 41.
Claims (18)
1. The utility model provides a building central flue system, is including installing range hood (1) at different floors, and the air outlet of every range hood (1) all is linked together with public flue (3) through respective tobacco pipe (2), installs on the roof with vertical through air-out passageway (4) of export of public flue (3), its characterized in that: the caliber of the air outlet channel (4) is larger than that of the public flue (3), at least two flue fans (5) working independently are installed in the air outlet channel (4), and the flue fans (5) are arranged at positions close to the inner wall of the air outlet channel (4) and avoid air flow discharged from the outlet of the public flue (3).
2. The building central chimney system according to claim 1, characterized in that: the air outlet channel (4) is a square channel, the flue fan (5) is a vertically arranged centrifugal fan, the back of the flue fan (5) is close to the inner wall of the air outlet channel (4), and an air inlet (51) of the flue fan (5) faces the inside of the air outlet channel.
3. The building central chimney system according to claim 2, characterized in that: and an air duct partition plate (6) for mutually isolating the air inlets (51) of the flue fans (5) is arranged in the air outlet channel (4).
4. The building central chimney system according to claim 2, characterized in that: the two flue fans (5) are arranged, the air inlets (51) of the flue fans (5) are arranged oppositely, and the air duct partition plate (6) is vertically arranged between the two flue fans (5).
5. The building central chimney system according to claim 2, characterized in that: the air-out passageway (4) is arranged on the air-out passageway (4), and air duct baffle (6) are equipped with two and are T shape distribution, air duct baffle (6) divide into three air inlet region (7) of mutual isolation with air-out passageway (4) inside, the air outlet of every flue fan (5) with the regional one-to-one of air inlet.
6. The building central chimney system according to claim 2, characterized in that: the air-out device is characterized in that the four flue fans (5) are correspondingly arranged on four side walls of the air-out channel (4), the air channel partition plates (6) are two and are crossed to form an X shape, the air channel partition plates (6) divide the interior of the air-out channel (4) into four air inlet areas (7) which are mutually isolated, and the air outlet of each flue fan (5) corresponds to the air inlet areas (7) one to one.
7. The building central chimney system according to claim 2, characterized in that: flue fan (5) have four and correspond the setting on four lateral walls of air-out passageway (4), air duct baffle (6) have three and be H shape and distribute, air duct baffle (6) divide into four air inlet region (7) of mutual isolation with air-out passageway (4) internal partitioning, the air outlet of every flue fan (5) with air inlet region (7) one-to-one.
8. The building central chimney system according to claim 2, characterized in that: the air outlet direction of the air outlet (52) of the flue fan (5) is upward.
9. The building central chimney system according to claim 2, characterized in that: the air outlet direction of an air outlet (52) of the flue fan (5) is the horizontal direction, and air outlet holes (41) which are in one-to-one correspondence with the air outlets are formed in the side wall of the air outlet channel (4).
10. The building central chimney system according to claim 9, wherein: and a check valve plate (53) is arranged at an air outlet (51) of the flue fan (5).
11. The building central chimney system according to claim 2, characterized in that: a noise reduction and elimination device (8) is arranged between the back of the flue fan (5) and the inner wall of the air outlet channel (4).
12. The building central chimney system according to claim 1, characterized in that: and a top cover plate (9) is arranged in the center of the top of the air outlet channel (4).
13. The building central chimney system according to claim 1, characterized by: an oil fume filtering device (10) is installed in the air outlet channel (4), and the oil fume filtering device (10) is located at the front end of an air inlet of the flue fan (5).
14. The building central chimney system according to any of claims 1-13, wherein: the range hood (1) is a powerless range hood, an air supply opening (12) communicated with outside air is formed in a kitchen wall body (11), and the air supply opening (12) is communicated with the public flue (3) sequentially through a kitchen inner space, an air channel in the range hood (1) and a smoke tube (2).
15. The building central chimney system according to claim 1, characterized in that: an electric air volume distribution valve (13) is arranged on a smoke tube (2) of each range hood (1), and a host electric control device (14) which can receive signals sent by the electric air volume distribution valve (13) and further control the flue fan (5) is arranged on the roof.
16. The building central chimney system according to claim 15, wherein: the range hood (1) is provided with an air quality sensor, the air quality sensor can transmit an output signal to the electric air volume distribution valve (13), and the host electric control device (14) can receive a corresponding signal sent by the electric air volume distribution valve (13) to start the flue fan (5) under the condition that the air quality exceeds the standard.
17. The building central chimney system according to claim 1, characterized in that: the smoke tube (2) of each range hood (1) is provided with an air quantity sensor (15) or a pressure sensor.
18. The building central chimney system according to claim 1, characterized in that: and a top blast cap (20) is arranged above the top of the air outlet channel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388598.0A CN111207420A (en) | 2018-11-21 | 2018-11-21 | Building central flue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388598.0A CN111207420A (en) | 2018-11-21 | 2018-11-21 | Building central flue system |
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| Publication Number | Publication Date |
|---|---|
| CN111207420A true CN111207420A (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388598.0A Pending CN111207420A (en) | 2018-11-21 | 2018-11-21 | Building central flue system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251455A (en) * | 2021-07-07 | 2021-08-13 | 南京德力通环境科技有限公司 | Civil integrated oil fume purification and collection all-in-one machine and purification method thereof |
-
2018
- 2018-11-21 CN CN201811388598.0A patent/CN111207420A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251455A (en) * | 2021-07-07 | 2021-08-13 | 南京德力通环境科技有限公司 | Civil integrated oil fume purification and collection all-in-one machine and purification method thereof |
| CN113251455B (en) * | 2021-07-07 | 2022-03-04 | 南京德力通环境科技有限公司 | Civil integrated oil fume purification and collection all-in-one machine and purification method thereof |
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